ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
211		352
212	#############################################################################	353	#############################################################################
213		354
214	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
215		356
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	378	$d
238	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
239	}	380	}
240		381
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
242		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		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
251	=item cf::lock_wait $string	511	=item cf::lock_wait $string
252		512
253	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
254		514
255	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
256		516
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
260	returned.	520	returned.
261		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
262	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
263	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
264		527
265	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
266		529
267	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.
268		531
269	=cut	532	=cut
270		533
271	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
272		535
273	sub lock_wait($) {	536	sub lock_wait($) {
274	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	538	}
282		539
283	sub lock_acquire($) {	540	sub lock_acquire($) {
284	my ($key) = @_;	541	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	542	}
296		543
297	sub lock_active($) {	544	sub lock_active($) {
298	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	546	}
302		547
303	sub freeze_mainloop {	548	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
305		550
306	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
308	};	621	}
309	$TICK_WATCHER->stop;	622	};
310	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
311	}	637	}
312		638
313	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
314		640
315	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		646
321	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
322		648
323	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
324		650
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	654	acceptable.
329		655
330	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	661	=cut
336		662
337	sub sync_job(&) {	663	sub sync_job(&) {
338	my ($job) = @_;	664	my ($job) = @_;
339		665
340	if ($Coro::current == $Coro::main) {	666	if (in_main) {
341	my $time = Event::time;	667	my $time = AE::time;
342		668
343	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
345		671
346	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	673
348	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
349		675
350	my $busy = 1;	676	my $busy = 1;
351	my @res;	677	my @res;
352		678
353	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	681	@res = eval { $job->() };
355	warn $@ if $@;	682	error $@ if $@;
356	undef $busy;	683	undef $busy;
357	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
358		685
359	while ($busy) {	686	while ($busy) {
360	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
361	}	691	}
		692	}
362		693
363	$time = Event::time - $time;	694	my $time = AE::time - $time;
364		695
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
369		697
370	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
371	} else {	699	} else {
372	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
373		701
…		…
393	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
394		722
395	$coro	723	$coro
396	}	724	}
397		725
398	=item fork_call { }, $args	726	=item fork_call { }, @args
399		727
400	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
404		732
405	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
406		738
407	sub fork_call(&@) {	739	sub fork_call(&@) {
408	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
409		741
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		745
415	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
416	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
417		750
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	752	}
420		753
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	790	}
441		791
442	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
443		793
444	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
447		797
448	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		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
451	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
452		827
453	our $DB;	828	our $DB;
454		829
455	sub db_init {	830	sub db_init {
456	unless ($DB) {	831	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	832	}
471		833
472	sub db_get($$) {	834	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
474		836
475	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
476	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
477		841
478	$! ? ()	842	$! ? ()
479	: $data	843	: $data
480	}
481	}	844	}
482		845
483	sub db_put($$$) {	846	sub db_put($$$) {
484	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		876
514	my @data;	877	my @data;
515	my $md5;	878	my $md5;
516		879
517	for (0 .. $#$src) {	880	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	882	}
521		883
522	# if processing is expensive, check	884	# if processing is expensive, check
523	# checksum first	885	# checksum first
524	if (1) {	886	if (1) {
525	$md5 =	887	$md5 =
526	join "\x00",	888	join "\x00",
527	$processversion,	889	$processversion,
528	map {	890	map {
529	Coro::cede;	891	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	893	} 0.. $#$src;
532		894
533		895
534	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		903
542	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	905	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
545		907
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		909
548	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
551		913
…		…
561		923
562	=cut	924	=cut
563		925
564	sub datalog($@) {	926	sub datalog($@) {
565	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	929	}
568		930
569	=back	931	=back
570		932
571	=cut	933	=cut
572		934
573	#############################################################################	935	#############################################################################
574		936
575	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
576		938
577	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
578	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")
579	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
580		942
581	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>
582	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
583	Crossfire TRT).	945	Deliantra).
584		946
585	=over 4	947	=over 4
586		948
587	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
588		950
…		…
632	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
633		995
634	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
635	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
636		998
637	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		1001
640	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
641		1003
642	=over 4	1004	=over 4
…		…
766		1128
767	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1131
770	} elsif (ref $type) {	1132	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
772		1134
773	} else {	1135	} else {
774	shift @arg;	1136	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
776	}	1138	}
777	}	1139	}
778	}	1140	}
779		1141
780	sub _object_attach {	1142	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
791	}	1153	}
792		1154
793	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
794	} else {	1156	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1158	}
797		1159
798	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
799	}	1161	}
800		1162
…		…
840	";	1202	";
841	die if $@;	1203	die if $@;
842	}	1204	}
843		1205
844	our $override;	1206	our $override;
845	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?
846		1208
847	sub override {	1209	sub override {
848	$override = 1;	1210	$override = 1;
849	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
850	}	1212	}
851		1213
852	sub do_invoke {	1214	sub do_invoke {
853	my $event = shift;	1215	my $event = shift;
854	my $callbacks = shift;	1216	my $callbacks = shift;
855		1217
856	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
857		1219
858	local $override;	1220	local $override;
859		1221
860	for (@$callbacks) {	1222	for (@$callbacks) {
861	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
862		1224
863	if ($@) {	1225	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1227	override;
867	}	1228	}
868		1229
869	return 1 if $override;	1230	return 1 if $override;
870	}	1231	}
871		1232
872	0	1233	0
873	}	1234	}
874		1235
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1237
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1239
879	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
880		1241
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1245
885	=back	1246	=back
886		1247
887	=cut	1248	=cut
888		1249
889	#############################################################################	1250	#############################################################################
890	# 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	}
891		1294
892	sub reattach {	1295	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1297	my ($obj) = @_;
895		1298
		1299	# no longer needed after getting rid of delete_package?
896	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
897		1301
898	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
899		1303
900	@$registry = ();	1304	@$registry = ();
901		1305
…		…
906	for (@$attach) {	1310	for (@$attach) {
907	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
909	}	1313	}
910	} else {	1314	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1316	}
913	}	1317	}
914	}	1318	}
915		1319
916	cf::attachable->attach (	1320	cf::attachable->attach (
917	prio => -1000000,	1321	prio => -1000000,
918	on_instantiate => sub {	1322	on_instantiate => sub {
919	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
920		1324
921	$data = from_json $data;	1325	$data = decode_json $data;
922		1326
923	for (@$data) {	1327	for (@$data) {
924	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
925		1329
926	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1346	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
944		1348
945	sync_job {	1349	sync_job {
946	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
949		1355
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1363	aio_close $fh;
955		1364
956	if (@$objs) {	1365	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1374	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
964	}	1376	}
965	} else {	1377	} else {
966	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
967	}	1379	}
968		1380
969	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1385	} else {
971	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
972	}	1387	}
973	} else {	1388	} else {
974	aio_unlink $filename;	1389	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
976	}	1391	}
977	}	1392	};
978	}	1393	}
979		1394
980	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
982		1397
…		…
994	or return;	1409	or return;
995		1410
996	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
998	or return;	1413	or return;
		1414
999	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1000	}	1417	}
1001		1418
		1419	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1004	return ($data, $av);	1424	($data, $av)
1005	}	1425	}
1006		1426
1007	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1008		1428
1009	=over 4	1429	=over 4
…		…
1011	=cut	1431	=cut
1012		1432
1013	#############################################################################	1433	#############################################################################
1014	# command handling &c	1434	# command handling &c
1015		1435
1016	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1017		1437
1018	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1019	$name.	1439	$name.
1020		1440
1021	=cut	1441	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1028		1448
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1450	}
1031		1451
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1033		1453
1034	Register a callback fro 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.
1035		1459
1036	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
1037	called.	1461	called.
1038		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
1039	=cut	1474	=cut
1040		1475
1041	sub register_extcmd {	1476	sub register_extcmd {
1042	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
1043		1478
1044	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
1045	}	1480	}
1046		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
1047	cf::player->attach (	1490	cf::player->attach (
1048	on_command => sub {	1491	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1050		1493
1051	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1052	or return;	1495	or return;
1053		1496
…		…
1058	cf::override;	1501	cf::override;
1059	},	1502	},
1060	on_extcmd => sub {	1503	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1062		1505
1063	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1507
1065	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
1071	} else {	1520	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1522	}
1074		1523
1075	cf::override;	1524	cf::override;
1076	},	1525	},
1077	);	1526	);
1078		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1079	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1080	cf::sync_job {	1557	cf::sync_job {
1081	my %todo;	1558	my %todo;
1082		1559
1083	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1561	next unless -r $path;
…		…
1102		1579
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1582
1106	$ext{source} =	1583	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1109	. $source	1586	. $source
1110	. "\n};\n1";	1587	. "\n};\n1";
1111		1588
1112	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1113	}	1590	}
1114		1591
		1592	my $pass = 0;
1115	my %done;	1593	my %done;
1116	while (%todo) {	1594	while (%todo) {
1117	my $progress;	1595	my $progress;
1118		1596
		1597	++$pass;
		1598
		1599	ext:
1119	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1602	next ext
1122	unless exists $done{$_};	1603	unless exists $done{$_};
1123	}	1604	}
1124		1605
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1607
1127	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1132	warn $msg;	1624
1133	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1626	delete $todo{$k};
1135	}	1627	} else {
1136		1628	$done{$k} = delete $todo{$k};
1137	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1138	}	1634	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1635	}
1144		1636
1145	skip:	1637	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1148	}	1647	}
1149	};	1648	};
1150	}	1649	}
1151		1650
1152	#############################################################################	1651	#############################################################################
1153		1652
1154	=back	1653	=back
1155		1654
1156	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1157		1656
1158	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1159		1658
1160	=cut	1659	=cut
1161		1660
1162	package cf::player;	1661	package cf::player;
1163		1662
1164	use Coro::AIO;	1663	use Coro::AIO;
1165		1664
1166	=head3 cf::player	1665	=head3 cf::player
1167		1666
1168	=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	}
1169		1682
1170	=item cf::player::find $login	1683	=item cf::player::find $login
1171		1684
1172	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1173		1686
…		…
1192		1705
1193	sub exists($) {	1706	sub exists($) {
1194	my ($login) = @_;	1707	my ($login) = @_;
1195		1708
1196	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1198	}	1711	}
1199		1712
1200	sub find($) {	1713	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1715	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1726
1214	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1217	}	1736	}
1218	}	1737	}
1219	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1220		1752
1221	sub save($) {	1753	sub save($) {
1222	my ($pl) = @_;	1754	my ($pl) = @_;
1223		1755
1224	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1230		1762
1231	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1235	Coro::cede;	1772	cf::cede_to_tick;
1236	}	1773	}
1237		1774
1238	sub new($) {	1775	sub new($) {
1239	my ($login) = @_;	1776	my ($login) = @_;
1240		1777
…		…
1246	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1247		1784
1248	$self	1785	$self
1249	}	1786	}
1250		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
1251	=item $pl->quit_character	1798	=item $pl->quit_character
1252		1799
1253	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1255		1802
…		…
1259	my ($pl) = @_;	1806	my ($pl) = @_;
1260		1807
1261	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1262		1809
1263	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1264	$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
1265		1812
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1269	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1270		1821
1271	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1308	or return [];	1859	or return [];
1309		1860
1310	my @logins;	1861	my @logins;
1311		1862
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1316		1873
1317	utf8::decode $login;	1874	utf8::decode $login;
1318	push @logins, $login;	1875	push @logins, $login;
1319	}	1876	}
1320		1877
1321	\@logins	1878	\@logins
1322	}	1879	}
1323		1880
1324	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1325		1884
1326	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1327	player. May block.	1886	player. May block.
1328		1887
1329	=cut	1888	=cut
…		…
1347	}	1906	}
1348		1907
1349	\@paths	1908	\@paths
1350	}	1909	}
1351		1910
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1912
1354	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1355		1914
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)
1386
1387	Sends an ext reply to the player.
1388
1389	=cut
1390
1391	sub ext_reply($$%) {
1392	my ($self, $id, %msg) = @_;
1393
1394	$msg{msgid} = $id;
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}
1398
1399	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1400		1916
1401	Sends an ext event to the client.	1917	Sends an ext event to the client.
1402		1918
1403	=cut	1919	=cut
1404		1920
1405	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1407		1923
1408	$self->ns->ext_event ($type, %msg);	1924	$self->ns->ext_msg ($type, @msg);
1409	}	1925	}
1410		1926
1411	=head3 cf::region	1927	=head3 cf::region
1412		1928
1413	=over 4	1929	=over 4
…		…
1423	=cut	1939	=cut
1424		1940
1425	sub find_by_path($) {	1941	sub find_by_path($) {
1426	my ($path) = @_;	1942	my ($path) = @_;
1427		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
1428	my ($match, $specificity);	1946	my ($match, $specificity);
1429		1947
1430	for my $region (list) {	1948	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1949	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1950	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1951	if $region->specificity > $specificity;
1434	}	1952	}
1435	}	1953	}
1436		1954
…		…
1457	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1459		1977
1460	sub generate_random_map {	1978	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1462	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1463	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1475	)
1476	}	1984	}
1477		1985
1478	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1479		1987
1480	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1485		1993
1486	sub register {	1994	sub register {
1487	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	1996	my $pkg = caller;
1489		1997
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		1999
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	2001	}
1495		2002
1496	# also paths starting with '/'	2003	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		2005
1499	sub thawer_merge {	2006	sub thawer_merge {
1500	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1501		2008
1502	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1507	}	2014	}
1508		2015
1509	sub normalise {	2016	sub normalise {
1510	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1511		2018
1512	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1513		2020
1514	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1515		2022
1516	# map plan:	2023	# map plan:
1517	#	2024	#
…		…
1532	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1533	$path = "$base/$path";	2040	$path = "$base/$path";
1534	}	2041	}
1535		2042
1536	for ($path) {	2043	for ($path) {
1537	redo if s{//}{/};
1538	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1539	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1540	}	2046	}
1541		2047
1542	$path	2048	$path
…		…
1556	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1557	return $self;	2063	return $self;
1558	}	2064	}
1559	}	2065	}
1560		2066
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	2068	()
1563	}	2069	}
1564		2070
		2071	# may re-bless or do other evil things
1565	sub init {	2072	sub init {
1566	my ($self) = @_;	2073	my ($self) = @_;
1567		2074
1568	$self	2075	$self
1569	}	2076	}
…		…
1588		2095
1589	# the temporary/swap location	2096	# the temporary/swap location
1590	sub save_path {	2097	sub save_path {
1591	my ($self) = @_;	2098	my ($self) = @_;
1592		2099
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1595	}	2102	}
1596		2103
1597	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1598	sub uniq_path {	2105	sub uniq_path {
1599	my ($self) = @_;	2106	my ($self) = @_;
1600		2107
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2110	}
1613		2111
1614	sub decay_objects {	2112	sub decay_objects {
1615	my ($self) = @_;	2113	my ($self) = @_;
1616		2114
…		…
1629		2127
1630	sub load_header_from($) {	2128	sub load_header_from($) {
1631	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1632		2130
1633	utf8::encode $path;	2131	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2133	or return;
1639		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1640	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1641		2142
1642	1	2143	1
1643	}	2144	}
1644		2145
		2146	# used to laod the header of an original map
1645	sub load_header_orig {	2147	sub load_header_orig {
1646	my ($self) = @_;	2148	my ($self) = @_;
1647		2149
1648	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1649	}	2151	}
1650		2152
		2153	# used to laod the header of an instantiated map
1651	sub load_header_temp {	2154	sub load_header_temp {
1652	my ($self) = @_;	2155	my ($self) = @_;
1653		2156
1654	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1655	}	2158	}
1656		2159
		2160	# called after loading the header from an instantiated map
1657	sub prepare_temp {	2161	sub prepare_temp {
1658	my ($self) = @_;	2162	my ($self) = @_;
1659		2163
1660	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1661	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1662	# safety	2166	# safety
1663	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1664	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1665	}	2169	}
1666		2170
		2171	# called after loading the header from an original map
1667	sub prepare_orig {	2172	sub prepare_orig {
1668	my ($self) = @_;	2173	my ($self) = @_;
1669		2174
1670	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1671	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1695		2200
1696	sub find;	2201	sub find;
1697	sub find {	2202	sub find {
1698	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1699		2204
		2205	cf::cede_to_tick;
		2206
1700	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1701		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2211
1704	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1707	or return;	2214	or return;
1708		2215
1709	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1710		2217
…		…
1712	or return;	2219	or return;
1713		2220
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1717	$map->reset;	2226	$map->reset;
1718	undef $guard;
1719	return find $path;	2227	return find $path;
1720	}	2228	}
1721		2229
1722	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1723	}	2231	}
1724	}	2232	}
1725		2233
1726	sub pre_load { }	2234	sub pre_load { }
1727	sub post_load { }	2235	#sub post_load { } # XS
1728		2236
1729	sub load {	2237	sub load {
1730	my ($self) = @_;	2238	my ($self) = @_;
1731		2239
1732	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1733		2241
1734	my $path = $self->{path};	2242	my $path = $self->{path};
1735		2243
1736	{	2244	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1738		2246
		2247	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
1740
1741	$self->in_memory (cf::MAP_LOADING);
1742		2249
1743	$self->alloc;	2250	$self->alloc;
1744		2251
1745	$self->pre_load;	2252	$self->pre_load;
1746	Coro::cede;	2253	cf::cede_to_tick;
1747		2254
1748	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1749	or return;	2259	or return;
1750		2260
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1752	if delete $self->{load_original};	2262	if delete $self->{load_original};
1753		2263
1754	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2265	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2268	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1759	}	2273	}
1760	}
1761		2274
1762	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1763	# now do the right thing for maps	2284	# now do the right thing for maps
1764	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2287	unless $self->difficulty;
1767	Coro::cede;	2288	cf::cede_to_tick;
1768		2289
1769	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2291	$self->decay_objects;
1771	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
1772	$self->update_buttons;	2293	$self->update_buttons;
1773	Coro::cede;	2294	cf::cede_to_tick;
1774	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
1775	Coro::cede;
1776	$self->activate;
1777	}	2296	}
1778		2297
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1780	}	2300	}
1781		2301
1782	$self->post_load;	2302	$self->post_load;
1783	}
1784		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2310	sub customise_for {
1786	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1787		2312
1788	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2314	if $self->per_player;
…		…
1792	# if $self->per_party;	2317	# if $self->per_party;
1793		2318
1794	$self	2319	$self
1795	}	2320	}
1796		2321
1797	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {
1799	my ($map) = @_;
1800
1801	my @diag; # diagonal neighbours
1802
1803	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)
1805	or next;
1806	$neigh = find $neigh, $map
1807	or next;
1808	$neigh->load;
1809
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}
1813
1814	for (@diag) {
1815	my $neigh = find @$_
1816	or next;
1817	$neigh->load;
1818	}
1819	}
1820
1821	sub find_sync {	2322	sub find_sync {
1822	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1823		2324
1824	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1825	}	2330	}
1826		2331
1827	sub do_load_sync {	2332	sub do_load_sync {
1828	my ($map) = @_;	2333	my ($map) = @_;
1829		2334
1830	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1831	}	2340	}
1832		2341
1833	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1835		2344
1836	sub find_async {	2345	sub find_async {
1837	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1838		2347
1839	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1840		2349
1841	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1843	}	2352	}
1844		2353
1845	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1846	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1847	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2361	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2362	$map->load if $v;
		2363	}
1852		2364
1853	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1854	}	2366	}
1855	}	2367	}
1856	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1857	};	2369	};
1858	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1859		2371
1860	()	2372	()
1861	}	2373	}
1862		2374
		2375	# common code, used by both ->save and ->swapout
1863	sub save {	2376	sub _save {
1864	my ($self) = @_;	2377	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2378
1868	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1869		2380
1870	return unless $self->dirty;	2381	return unless $self->dirty;
1871		2382
…		…
1877	return if $self->{deny_save};	2388	return if $self->{deny_save};
1878		2389
1879	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1880		2391
1881	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1883	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1884		2398
1885	if ($uniq) {	2399	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2402	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2404	}
1891	}	2405	}
1892		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1893	sub swap_out {	2415	sub swap_out {
1894	my ($self) = @_;	2416	my ($self) = @_;
1895		2417
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1901	return if $self->players;	2422	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1905	$self->clear;	2433	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2434	}
1908		2435
1909	sub reset_at {	2436	sub reset_at {
1910	my ($self) = @_;	2437	my ($self) = @_;
1911		2438
…		…
1929		2456
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2458
1932	return if $self->players;	2459	return if $self->players;
1933		2460
1934	warn "resetting map ", $self->path;	2461	cf::trace "resetting map ", $self->path, "\n";
1935		2462
1936	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1937		2464
1938	# need to save uniques path	2465	# need to save uniques path
1939	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1940	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1941		2468
…		…
1943	if $uniq;	2470	if $uniq;
1944	}	2471	}
1945		2472
1946	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1947		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2477	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2478
1952	$self->unlink_save;	2479	$self->unlink_save;
1953	$self->destroy;	2480	$self->destroy;
1954	}	2481	}
1955		2482
1956	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1957		2484
1958	sub nuke {	2485	sub nuke {
1959	my ($self) = @_;	2486	my ($self) = @_;
1960		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1961	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1962		2492
1963	$self->unlink_save;	2493	$self->unlink_save;
1964		2494
1965	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2500
1971	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1972		2503
1973	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
1974	}	2505	}
1975		2506
1976	=item $maps = cf::map::tmp_maps	2507	=item $maps = cf::map::tmp_maps
…		…
2018		2549
2019	sub unique_maps() {	2550	sub unique_maps() {
2020	[	2551	[
2021	map {	2552	map {
2022	utf8::decode $_;	2553	utf8::decode $_;
2023	/\.map$/	2554	s/\.map$//; # TODO future compatibility hack
		2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2556	? ()
2024	? normalise $_	2557	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2559	]
2028	}	2560	}
2029		2561
2030	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
2031		2593
2032	=back	2594	=back
2033		2595
2034	=head3 cf::object	2596	=head3 cf::object
2035		2597
…		…
2039		2601
2040	=over 4	2602	=over 4
2041		2603
2042	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
2043		2605
2044	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
2045		2608
2046	=cut	2609	=cut
2047		2610
2048	sub inv_recursive_;	2611	sub inv_recursive_;
2049	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
2052		2615
2053	sub inv_recursive {	2616	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
2055	}	2618	}
2056		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
2057	package cf;	2648	package cf;
2058		2649
2059	=back	2650	=back
2060		2651
2061	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2070		2661
2071	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
2072		2677
2073	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2679	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
2083		2688
2084	} else {	2689	} else {
2085	my $pl = $self->contr;	2690	my $pl = $self->contr;
2086		2691
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2695
2096	} else {	2696	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2699	}
2100	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
2101	}	2711	}
2102		2712
2103	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
2104		2714
2105	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
2118		2728
2119	=item $player_object->enter_link	2729	=item $player_object->enter_link
2120		2730
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2732
2123	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2125		2737
2126	Will never block.	2738	Will never block.
2127		2739
2128	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2129		2741
…		…
2149	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2762	my ($self) = @_;
2151		2763
2152	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2153		2765
		2766	++$self->{_link_recursion};
		2767
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2769
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2158		2772
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2774	}
2161		2775
2162	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2164		2778
…		…
2181	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2183		2797
2184	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2187		2801
2188	$map->load;	2802	$map->load;
2189	$map->load_diag;
2190		2803
2191	return unless $self->contr->active;	2804	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2805
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2196	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2197		2813
		2814	}
		2815
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2817
2200	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
2204		2826
2205	=cut	2827	=cut
2206		2828
2207	our $GOTOGEN;	2829	our $GOTOGEN;
2208		2830
2209	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2211		2839
2212	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2842
2215	$self->enter_link;	2843	$self->enter_link;
2216		2844
2217	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
2218	my $map = eval {	2867	my $map = eval {
2219	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2220		2869
2221	if ($map) {	2870	if ($map) {
2222	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2873	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2875	}
2227		2876
2228	$map	2877	$map
2229	};	2878	};
2230		2879
…		…
2235		2884
2236	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2239	}	2888	}
		2889
		2890	$done->($self) if $done;
2240	})->prio (1);	2891	})->prio (1);
2241	}	2892	}
2242		2893
2243	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2244		2895
…		…
2264	}	2915	}
2265		2916
2266	sub prepare_random_map {	2917	sub prepare_random_map {
2267	my ($exit) = @_;	2918	my ($exit) = @_;
2268		2919
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2922	# that depends on the exit object
2274		2923
2275	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2926	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2282	}	2933	}
2283		2934
2284	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2285		2936
2286	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2289		2940
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2943	undef $fh;
2293	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2294		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2297	}	2952	}
2298	}	2953	}
2299		2954
2300	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2302		2957
2303	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2304		2959
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2960	$self->enter_link;
2317		2961
2318	(async {	2962	(async {
2319	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
2320	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2321	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2322		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2323	1;	3001	1
2324	}) {	3002	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2329		3007
2330	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	3009	$self->leave_link;
2332	}	3010	}
2333	})->prio (1);	3011	})->prio (1);
2334	}	3012	}
2335		3013
…		…
2349		3027
2350	utf8::encode $text;	3028	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	3030	}
2353		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		3058
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	3060	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	3061	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	3062	the message unless the client supports the msg packet.
2360		3063
2361	=cut	3064	=cut
2362		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
2363	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3182
2366	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2367		3185
2368	if ($self->can_msg) {	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3187
2381	if ($color >= 0) {	3188	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3189	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3190	$channel = $CHANNEL{$channel};
2384	} else {	3191
2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3192	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
2387	}	3200	}
2388	}
2389	}
2390	}
2391		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
2392	=item $client->ext_event ($type, %msg)	3219	=item $client->ext_msg ($type, @msg)
2393		3220
2394	Sends an exti event to the client.	3221	Sends an ext event to the client.
2395		3222
2396	=cut	3223	=cut
2397		3224
2398	sub cf::client::ext_event($$%) {	3225	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3226	my ($self, $type, @msg) = @_;
2400		3227
2401	$msg{msgtype} = "event_$type";	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2402	$self->send_packet ("ext " . cf::to_json \%msg);
2403	}	3229	}
2404		3230
2405	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2406		3232
2407	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3234	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3236
2411	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3238	become reliable at some point in the future.
2413		3239
2414	=cut	3240	=cut
2415		3241
2416	sub cf::client::query {	3242	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3251	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3253
2428	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2430	}	3258	}
2431		3259
2432	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2433	on_reply => sub {	3266	on_reply => sub {
2434	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2435		3268
2436	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2437	# get handled first	3270	# get handled first
…		…
2449	} else {	3282	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3284	}
2452	}	3285	}
2453	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2454	);	3310	);
2455		3311
2456	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2457		3313
2458	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3330
2475	$coro	3331	$coro
2476	}	3332	}
2477		3333
2478	cf::client->attach (	3334	cf::client->attach (
2479	on_destroy => sub {	3335	on_client_destroy => sub {
2480	my ($ns) = @_;	3336	my ($ns) = @_;
2481		3337
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3339	},
2484	);	3340	);
…		…
2499	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2501		3357
2502	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2503		3359
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2505		3365
2506	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2507		3367
2508	=pod	3368	=pod
2509		3369
2510	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2511		3371
2512	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2513	cf::object::player player	3377	cf::object::player
2514	cf::player peaceful	3378	player
2515	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2516		3385
2517	=cut	3386	=cut
2518		3387
2519	for (	3388	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2524	) {	3395	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3398	for @funs;
2529	}	3399	}
2530		3400
…		…
2545		3415
2546	my $qcode = $code;	3416	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2549		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2550	local $_;	3423	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3424
2553	my $eval =	3425	my $eval =
2554	"do {\n"	3426	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3429	. $code
2558	. "\n}"	3430	. "\n}"
2559	;	3431	;
2560		3432
		3433	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2564		3442
2565	if ($@) {	3443	if ($@) {
2566	warn "$@";	3444	warn "$@",
2567	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2569	}	3447	}
2570		3448
2571	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2572	}	3450	}
2573		3451
…		…
2587	=cut	3465	=cut
2588		3466
2589	sub register_script_function {	3467	sub register_script_function {
2590	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2591		3469
2592	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2594	}	3472	}
2595		3473
2596	=back	3474	=back
2597		3475
2598	=cut	3476	=cut
2599		3477
2600	#############################################################################	3478	#############################################################################
2601	# the server's init and main functions	3479	# the server's init and main functions
2602		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2603	sub load_facedata($) {	3505	sub load_facedata($) {
2604	my ($path) = @_;	3506	my ($path) = @_;
2605		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2606	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2607		3515
2608	my $facedata;	3516	my $facedata = decode_storable load_file $path;
2609	0 < aio_load $path, $facedata
2610	or die "$path: $!";
2611
2612	$facedata = Coro::Storable::thaw $facedata;
2613		3517
2614	$facedata->{version} == 2	3518	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3520
		3521	cf::cede_to_tick;
		3522
2617	{	3523	{
2618	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
2619		3525
2620	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
2626	}	3538	}
2627		3539
2628	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2630	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
2631	or next;	3544	or next;
		3545
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3549	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3551	}
2637	Coro::cede;	3552
		3553	cf::cede_to_tick;
2638	}	3554	}
2639	}	3555	}
2640		3556
2641	{	3557	{
2642	my $anims = $facedata->{animinfo};	3558	my $anims = $facedata->{animinfo};
2643		3559
2644	while (my ($anim, $info) = each %$anims) {	3560	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3562	cf::cede_to_tick;
2647	}	3563	}
2648		3564
2649	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
2650	}	3566	}
2651		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
2652	1	3590	1
2653	}	3591	}
2654		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
2655	sub reload_regions {	3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
2656	load_resource_file "$MAPDIR/regions"	3629	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3630	or die "unable to load regions file\n";
		3631
		3632	for (cf::region::list) {
		3633	$_->{match} = qr/$_->{match}/
		3634	if exists $_->{match};
		3635	}
2658	}	3636	}
2659		3637
2660	sub reload_facedata {	3638	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3639	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3640	or die "unable to load facedata\n";
2663	}	3641	}
2664		3642
2665	sub reload_archetypes {	3643	sub reload_archetypes {
2666	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
2667	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
2668	}	3655	}
2669		3656
2670	sub reload_treasures {	3657	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
2673	}	3660	}
2674		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
2675	sub reload_resources {	3744	sub reload_resources {
2676	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
2677		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
2678	reload_regions;	3752	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
2683		3755
2684	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
2685	}	3757	}
2686		3758
2687	sub init {	3759	sub reload_config {
2688	reload_resources;	3760	trace "reloading config file...\n";
2689	}
2690		3761
2691	sub cfg_load {	3762	my $config = load_file "$CONFDIR/config";
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3763	utf8::decode $config;
2693	or return;	3764	*CFG = decode_yaml $config;
2694		3765
2695	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;
2697
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3767
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3770
2703	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2707	};	3775	};
2708	warn $@ if $@;	3776	warn $@ if $@;
2709	}	3777	}
2710	}	3778	}
2711		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2712	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2713	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3821	(async {
2717	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2719	};	3825	};
2720		3826
2721	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2722	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2723	load_extensions;	3851	load_extensions;
2724		3852
2725	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2727	}	3870	}
2728		3871
2729	#############################################################################	3872	#############################################################################
2730	# initialisation and cleanup	3873	# initialisation and cleanup
2731		3874
2732	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2733	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2742	},
2743	);	3881	};
2744	}	3882	}
2745	}	3883	}
2746		3884
2747	sub write_runtime {	3885	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
2749		3887
2750	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
2752		3890
2753	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3892
2755	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
2756		3894
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3896	or return;
2759		3897
2760	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
2773		3911
2774	close $fh	3912	close $fh
2775	or return;	3913	or return;
2776		3914
2777	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3916	and return;
2779		3917
2780	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3919
2782	1	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2783	}	3971	}
2784		3972
2785	sub emergency_save() {	3973	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2787		3975
2788	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2789		3982
2790	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2791	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3994	$pl->save;
2799	}	3995	}
2800	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2801		3997
2802	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	4003	$map->valid or next;
2806	$map->save;	4004	$map->save;
2807	}	4005	}
2808	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2809		4007
2810	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2813	};	4036	};
2814		4037
2815	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2816	}	4039	}
2817		4040
2818	sub post_cleanup {	4041	sub post_cleanup {
2819	my ($make_core) = @_;	4042	my ($make_core) = @_;
2820		4043
		4044	IO::AIO::flush;
		4045
2821	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
2823	}	4076	}
2824		4077
2825	sub do_reload_perl() {	4078	sub do_reload_perl() {
2826	# can/must only be called in main	4079	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2828	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2829	return;	4082	return;
2830	}	4083	}
2831		4084
2832	warn "reloading...";	4085	return if $RELOAD++;
2833		4086
2834	warn "entering sync_job";	4087	my $t1 = AE::time;
2835		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2836	cf::sync_job {	4095	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	4096	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		4097
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	4100	%EXT_CORO = ();
2865		4101
2866	warn "removing commands";	4102	trace "perl_reload: removing commands";
2867	%COMMAND = ();	4103	%COMMAND = ();
2868		4104
2869	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2871		4108
2872	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2875		4112
2876	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2877	eval {	4114	eval {
2878	$cb->($pkg);	4115	$cb->($pkg);
2879	1	4116	1
2880	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2881	}	4122	}
2882		4123
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		4127
2891	warn "... unloading $k";	4128	trace "... unloading $k";
2892	delete $INC{$k};	4129	delete $INC{$k};
2893		4130
2894	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2896		4133
2897	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2899	}	4139	}
2900		4140
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		4144
2908	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		4148
2912	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2913	# and global variables created in xs	4150	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2915		4152
2916	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2917		4154
2918	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2919	require cf;	4156	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2921		4158
2922	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	4160	cf::reload_config;
2924		4161
2925	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	4163	cf::load_extensions;
2927		4164
		4165	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
2934		4173
2935	warn "leaving sync_job";	4174	cf::_post_init 1;
2936		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
2937	1	4178	1
2938	} or do {	4179	} or do {
2939	warn $@;	4180	error $@;
2940	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4182	};
		4183
		4184	--$RELOAD;
2942	};	4185	}
2943		4186
2944	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
2945	};	4189	};
2946		4190
2947	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
2948		4192
2949	sub reload_perl() {	4193	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
2952		4196
2953	$RELOAD_WATCHER ||= Event->timer (	4197	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4198	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4199
2956	data => WF_AUTOCANCEL,	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4201	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
2960	},	4203	};
2961	);	4204	};
2962	}	4205	}
2963		4206
2964	register_command "reload" => sub {	4207	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2966		4209
2967	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
		4212	async {
		4213	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4214	reload_perl;
		4215	};
2970	}	4216	}
2971	};	4217	};
2972		4218
2973	unshift @INC, $LIBDIR;	4219	#############################################################################
2974		4220
2975	my $bug_warning = 0;	4221	my $bug_warning = 0;
2976		4222
2977	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;
2979
2980	sub wait_for_tick {	4223	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2982	return if $Coro::current == $Coro::main;
2983		4225
2984	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
2985	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;
2987	}	4227	}
2988		4228
2989	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2991	return if $Coro::current == $Coro::main;
2992		4231
2993	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4234	$signal->wait;
2996	}	4235	}
2997		4236
2998	my $min = 1e6;#d#	4237	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3010	return;	4241	return;
3011	}	4242	}
3012		4243
3013	$NOW = $tick_start = Event::time;	4244	cf::one_tick; # one server iteration
3014		4245
3015	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3016		4247
3017	0 && sync_job {#d#	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	4250	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4251	$Coro::current->{desc} = "runtime saver";
3021	or die;	4252	write_runtime_sync
3022		4253	or error "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4254	};
		4255	}
3039		4256
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4258	$sig->send;
3056	}	4259	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3058	$sig->send;
3059	}
3060		4261
3061	$NOW = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4264
3072	_post_tick;	4265	if (0) {
3073		4266	if ($NEXT_TICK) {
3074		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
3075	},	4271	}
3076	);	4272	}
3077		4273
3078	{	4274	{
3079	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
3081	reentrant => 0,	4277
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3089		4279	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4281
3105	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4289
3108	cf::sync_job {	4290	cf::sync_job {
3109	eval {	4291	eval {
3110	BDB::db_env_open	4292	BDB::db_env_open
3111	$DB_ENV,	4293	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4297	0666;
3116		4298
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4300	};
3122		4301
3123	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4303	};
3125	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
3126	}	4317	}
3127		4318
3128	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
3129	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,	4326	info "aio initialised";
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4327	}
3142		4328
3143	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3144		4331
3145	sub _log_backtrace {	4332	sub _log_backtrace {
3146	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3147		4334
3148	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3149		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3150	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3152	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3153	async {	4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
3154	my @bt = fork_call {	4348	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4352	or die "addr2line: $!";
…		…
3166	}	4360	}
3167		4361
3168	@funcs	4362	@funcs
3169	};	4363	};
3170		4364
3171	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4368	--$_log_backtrace;
3174	};	4369	};
3175	} else {	4370	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3178	}	4373	}
3179	}	4374	}
3180		4375
3181	# load additional modules	4376	# load additional modules
3182	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3183		4379
3184	END { cf::emergency_save }	4380	END { cf::emergency_save }
3185		4381
3186	1	4382	1
3187		4383

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines