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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.592 by root, Fri Nov 9 00:11:49 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		330
194	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	332	# within the Safe compartment.
196	for my $pkg (qw(	333	for my $pkg (qw(
197	cf::global cf::attachable	334	cf::global cf::attachable
198	cf::object cf::object::player	335	cf::object cf::object::player
199	cf::client cf::player	336	cf::client cf::player
200	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
201	cf::map cf::party cf::region	339	cf::party cf::region
202	)) {	340	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	342	}
206		343
207	$Event::DIED = sub {	344	$EV::DIED = sub {
208	warn "error in event callback: @_";	345	warn "error in event callback: $@";
209	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
210		354
211	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
212		356
213	=over 4	357	=over 4
214		358
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	378	$d
235	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
236	}	380	}
237		381
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
239		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
240	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
241		435
242	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
243		437
244	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
245		439
246	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	511	=item cf::lock_wait $string
249		512
250	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
251		514
252	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
253		516
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
257	returned.	520	returned.
258		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
259	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
260	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
261		527
262	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
263		529
264	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.
265		531
266	=cut	532	=cut
267		533
268	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
269		535
270	sub lock_wait($) {	536	sub lock_wait($) {
271	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	538	}
279		539
280	sub lock_acquire($) {	540	sub lock_acquire($) {
281	my ($key) = @_;	541	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	542	}
293		543
294	sub lock_active($) {	544	sub lock_active($) {
295	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	546	}
299		547
300	sub freeze_mainloop {	548	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
302		550
303	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
305	};	621	}
306	$TICK_WATCHER->stop;	622	};
307	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
308	}	637	}
309		638
310	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
311		640
312	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		646
318	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
319		648
320	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
321		650
322	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
325		655
326	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
329	fast or be very important.	659	fast or be very important.
…		…
331	=cut	661	=cut
332		662
333	sub sync_job(&) {	663	sub sync_job(&) {
334	my ($job) = @_;	664	my ($job) = @_;
335		665
336	if ($Coro::current == $Coro::main) {	666	if (in_main) {
337	my $time = Event::time;	667	my $time = AE::time;
338		668
339	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
341		671
342	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	673
344	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
345		675
346	my $busy = 1;	676	my $busy = 1;
347	my @res;	677	my @res;
348		678
349	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	681	@res = eval { $job->() };
351	warn $@ if $@;	682	error $@ if $@;
352	undef $busy;	683	undef $busy;
353	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
354		685
355	while ($busy) {	686	while ($busy) {
356	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
357	}	691	}
		692	}
358		693
359	$time = Event::time - $time;	694	my $time = AE::time - $time;
360		695
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
365		697
366	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
367	} else {	699	} else {
368	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
369		701
…		…
389	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
390		722
391	$coro	723	$coro
392	}	724	}
393		725
394	sub write_runtime {	726	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		727
397	# first touch the runtime file to show we are still running:	728	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
399		732
400	IO::AIO::aio_utime $runtime, undef, undef;	733	=cut
401		734
402	my $guard = cf::lock_acquire "write_runtime";	735	sub post_fork {
		736	reset_signals;
		737	}
403		738
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	739	sub fork_call(&@) {
405	or return;	740	my ($cb, @args) = @_;
406		741
407	my $value = $cf::RUNTIME + 90 + 10;	742	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	743	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	744	# TODO: investigate and fix (likely this will be rather laborious)
410		745
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	746	my @res = Coro::Util::fork_eval {
412	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
413		750
414	# always fsync - this file is important	751	wantarray ? @res : $res[-1]
415	aio_fsync $fh	752	}
416	and return;
417		753
418	# touch it again to show we are up-to-date	754	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
430	}	918	}
431		919
432	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
433		921
434	Log a datalog packet of the given type with the given key-value pairs.	922	Log a datalog packet of the given type with the given key-value pairs.
435		923
436	=cut	924	=cut
437		925
438	sub datalog($@) {	926	sub datalog($@) {
439	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	929	}
442		930
443	=back	931	=back
444		932
445	=cut	933	=cut
446		934
447	#############################################################################	935	#############################################################################
448		936
449	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
450		938
451	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
452	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")
453	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
454		942
455	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>
456	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
457	crossfire+).	945	Deliantra).
458		946
459	=over 4	947	=over 4
460		948
461	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
462		950
…		…
506	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
507		995
508	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
510		998
511	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		1001
514	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
515		1003
516	=over 4	1004	=over 4
…		…
640		1128
641	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1131
644	} elsif (ref $type) {	1132	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
646		1134
647	} else {	1135	} else {
648	shift @arg;	1136	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
650	}	1138	}
651	}	1139	}
652	}	1140	}
653		1141
654	sub _object_attach {	1142	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
665	}	1153	}
666		1154
667	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
668	} else {	1156	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1158	}
671		1159
672	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
673	}	1161	}
674		1162
…		…
714	";	1202	";
715	die if $@;	1203	die if $@;
716	}	1204	}
717		1205
718	our $override;	1206	our $override;
719	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?
720		1208
721	sub override {	1209	sub override {
722	$override = 1;	1210	$override = 1;
723	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
724	}	1212	}
725		1213
726	sub do_invoke {	1214	sub do_invoke {
727	my $event = shift;	1215	my $event = shift;
728	my $callbacks = shift;	1216	my $callbacks = shift;
729		1217
730	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
731		1219
732	local $override;	1220	local $override;
733		1221
734	for (@$callbacks) {	1222	for (@$callbacks) {
735	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
736		1224
737	if ($@) {	1225	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1227	override;
741	}	1228	}
742		1229
743	return 1 if $override;	1230	return 1 if $override;
744	}	1231	}
745		1232
746	0	1233	0
747	}	1234	}
748		1235
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1237
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1239
753	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
754		1241
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1245
759	=back	1246	=back
760		1247
761	=cut	1248	=cut
762		1249
763	#############################################################################	1250	#############################################################################
764	# 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, $ob2
		1293	}
765		1294
766	sub reattach {	1295	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1297	my ($obj) = @_;
769		1298
		1299	# no longer needed after getting rid of delete_package?
770	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
771		1301
772	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
773		1303
774	@$registry = ();	1304	@$registry = ();
775		1305
…		…
780	for (@$attach) {	1310	for (@$attach) {
781	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
783	}	1313	}
784	} else {	1314	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1316	}
787	}	1317	}
788	}	1318	}
789		1319
790	cf::attachable->attach (	1320	cf::attachable->attach (
791	prio => -1000000,	1321	prio => -1000000,
792	on_instantiate => sub {	1322	on_instantiate => sub {
793	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
794		1324
795	$data = from_json $data;	1325	$data = decode_json $data;
796		1326
797	for (@$data) {	1327	for (@$data) {
798	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
799		1329
800	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1346	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
818		1348
819	sync_job {	1349	sync_job {
820	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
823		1355
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1363	aio_close $fh;
829		1364
830	if (@$objs) {	1365	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1374	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
838	}	1376	}
839	} else {	1377	} else {
840	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
841	}	1379	}
842		1380
843	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1385	} else {
845	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
846	}	1387	}
847	} else {	1388	} else {
848	aio_unlink $filename;	1389	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
850	}	1391	}
851	}	1392	};
852	}	1393	}
853		1394
854	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
856		1397
…		…
868	or return;	1409	or return;
869		1410
870	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
872	or return;	1413	or return;
		1414
873	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
874	}	1417	}
875		1418
		1419	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
878	return ($data, $av);	1424	($data, $av)
879	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
880		1432
881	#############################################################################	1433	#############################################################################
882	# command handling &c	1434	# command handling &c
883		1435
884	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1450	}
899		1451
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1453
902	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
903		1459
904	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
905	called.	1461	called.
906		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
907	=cut	1474	=cut
908		1475
909	sub register_extcmd {	1476	sub register_extcmd {
910	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
911		1478
912	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
913	}	1480	}
914		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
915	cf::player->attach (	1490	cf::player->attach (
916	on_command => sub {	1491	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
918		1493
919	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
920	or return;	1495	or return;
921		1496
…		…
926	cf::override;	1501	cf::override;
927	},	1502	},
928	on_extcmd => sub {	1503	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
930		1505
931	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1507
933	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
939	} else {	1520	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1522	}
942		1523
943	cf::override;	1524	cf::override;
944	},	1525	},
945	);	1526	);
946		1527
		1528	# "readahead" all extensions
947	sub load_extension {	1529	sub cache_extensions {
948	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
949		1531
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1535	}
975	die $@;
976	}	1536	};
977		1537
978	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
979	}	1550	}
980		1551
981	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
982	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1561	next unless -r $path;
984	eval {	1562
985	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
986	1	1635	}
987	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
988	}	1648	};
989	}	1649	}
990		1650
991	#############################################################################	1651	#############################################################################
992		1652
		1653	=back
		1654
993	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
994		1656
995	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
996		1658
997	=cut	1659	=cut
998		1660
999	package cf::player;	1661	package cf::player;
1000		1662
1001	use Coro::AIO;	1663	use Coro::AIO;
1002		1664
1003	=head3 cf::player	1665	=head3 cf::player
1004		1666
1005	=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	}
1006		1682
1007	=item cf::player::find $login	1683	=item cf::player::find $login
1008		1684
1009	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1010		1686
…		…
1029		1705
1030	sub exists($) {	1706	sub exists($) {
1031	my ($login) = @_;	1707	my ($login) = @_;
1032		1708
1033	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1035	}	1711	}
1036		1712
1037	sub find($) {	1713	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1715	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1726
1051	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1054	}	1736	}
1055	}	1737	}
1056	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1057		1752
1058	sub save($) {	1753	sub save($) {
1059	my ($pl) = @_;	1754	my ($pl) = @_;
1060		1755
1061	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1067		1762
1068	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1072	Coro::cede;	1772	cf::cede_to_tick;
1073	}	1773	}
1074		1774
1075	sub new($) {	1775	sub new($) {
1076	my ($login) = @_;	1776	my ($login) = @_;
1077		1777
…		…
1083	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1084		1784
1085	$self	1785	$self
1086	}	1786	}
1087		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
1088	=item $pl->quit_character	1798	=item $pl->quit_character
1089		1799
1090	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1092		1802
…		…
1096	my ($pl) = @_;	1806	my ($pl) = @_;
1097		1807
1098	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1099		1809
1100	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1101	$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
1102		1812
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1106	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1107		1821
1108	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1145	or return [];	1859	or return [];
1146		1860
1147	my @logins;	1861	my @logins;
1148		1862
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1153		1873
1154	utf8::decode $login;	1874	utf8::decode $login;
1155	push @logins, $login;	1875	push @logins, $login;
1156	}	1876	}
1157		1877
1158	\@logins	1878	\@logins
1159	}	1879	}
1160		1880
1161	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1162		1884
1163	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1164	player. May block.	1886	player. May block.
1165		1887
1166	=cut	1888	=cut
…		…
1184	}	1906	}
1185		1907
1186	\@paths	1908	\@paths
1187	}	1909	}
1188		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1189	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1190		1916
1191	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1192		1918
1193	=cut	1919	=cut
1194		1920
1195	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1197		1923
1198	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1925	}
1202		1926
1203	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1204		1928
1205	Sends an ext event to the client.	1929	Sends an ext event to the client.
1206		1930
1207	=cut	1931	=cut
1208		1932
1209	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1211		1935
1212	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1213	}	1937	}
1214		1938
1215	=head3 cf::region	1939	=head3 cf::region
1216		1940
1217	=over 4	1941	=over 4
…		…
1220		1944
1221	package cf::region;	1945	package cf::region;
1222		1946
1223	=item cf::region::find_by_path $path	1947	=item cf::region::find_by_path $path
1224		1948
1225	Tries to decuce the probable region for a map knowing only its path.	1949	Tries to decuce the likely region for a map knowing only its path.
1226		1950
1227	=cut	1951	=cut
1228		1952
1229	sub find_by_path($) {	1953	sub find_by_path($) {
1230	my ($path) = @_;	1954	my ($path) = @_;
1231		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1232	my ($match, $specificity);	1958	my ($match, $specificity);
1233		1959
1234	for my $region (list) {	1960	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1238	}	1964	}
1239	}	1965	}
1240		1966
…		…
1261	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1263		1989
1264	sub generate_random_map {	1990	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1267	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1996	}
1281		1997
1282	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1283		1999
1284	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1289		2005
1290	sub register {	2006	sub register {
1291	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2008	my $pkg = caller;
1293		2009
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2011
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2013	}
1299		2014
1300	# also paths starting with '/'	2015	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2017
1303	sub thawer_merge {	2018	sub thawer_merge {
1304	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1305		2020
1306	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1307	local $self->{path};	2022	local $self->{path};
1308	local $self->{load_path};	2023	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2024
1312	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1313	}	2026	}
1314		2027
1315	sub normalise {	2028	sub normalise {
1316	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1317		2030
1318	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1319		2032
1320	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1321		2034
1322	# map plan:	2035	# map plan:
1323	#	2036	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2052	$path = "$base/$path";
1340	}	2053	}
1341		2054
1342	for ($path) {	2055	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1346	}	2058	}
1347		2059
1348	$path	2060	$path
…		…
1362	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1363	return $self;	2075	return $self;
1364	}	2076	}
1365	}	2077	}
1366		2078
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2080	()
1369	}	2081	}
1370		2082
		2083	# may re-bless or do other evil things
1371	sub init {	2084	sub init {
1372	my ($self) = @_;	2085	my ($self) = @_;
1373		2086
1374	$self	2087	$self
1375	}	2088	}
…		…
1394		2107
1395	# the temporary/swap location	2108	# the temporary/swap location
1396	sub save_path {	2109	sub save_path {
1397	my ($self) = @_;	2110	my ($self) = @_;
1398		2111
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1401	}	2114	}
1402		2115
1403	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1404	sub uniq_path {	2117	sub uniq_path {
1405	my ($self) = @_;	2118	my ($self) = @_;
1406		2119
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1409	}	2122	}
1410		2123
1411	# and all this just because we cannot iterate over	2124	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2125	my ($self) = @_;
1415		2126
1416	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1418	}	2130	}
1419		2131
1420	sub unlink_save {	2132	sub unlink_save {
1421	my ($self) = @_;	2133	my ($self) = @_;
1422		2134
…		…
1427		2139
1428	sub load_header_from($) {	2140	sub load_header_from($) {
1429	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1430		2142
1431	utf8::encode $path;	2143	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2145	or return;
1437		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1438	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1439		2154
1440	1	2155	1
1441	}	2156	}
1442		2157
		2158	# used to laod the header of an original map
1443	sub load_header_orig {	2159	sub load_header_orig {
1444	my ($self) = @_;	2160	my ($self) = @_;
1445		2161
1446	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1447	}	2163	}
1448		2164
		2165	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2166	sub load_header_temp {
1450	my ($self) = @_;	2167	my ($self) = @_;
1451		2168
1452	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1453	}	2170	}
1454		2171
		2172	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2173	sub prepare_temp {
1456	my ($self) = @_;	2174	my ($self) = @_;
1457		2175
1458	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1460	# safety	2178	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2181	}
1464		2182
		2183	# called after loading the header from an original map
1465	sub prepare_orig {	2184	sub prepare_orig {
1466	my ($self) = @_;	2185	my ($self) = @_;
1467		2186
1468	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2199	$self->load_header_orig
1481	or return;	2200	or return;
1482	$self->prepare_orig;	2201	$self->prepare_orig;
1483	}	2202	}
1484		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
1485	$self->default_region (cf::region::find_by_path $self->{path})	2207	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2208	unless $self->default_region;
1487		2209
1488	1	2210	1
1489	}	2211	}
1490		2212
1491	sub find;	2213	sub find;
1492	sub find {	2214	sub find {
1493	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1494		2216
		2217	cf::cede_to_tick;
		2218
1495	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1496		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2223
1499	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1502	or return;	2226	or return;
1503		2227
1504	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1505		2229
1506	$map->load_header	2230	$map->load_header
1507	or return;	2231	or return;
1508		2232
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1512	$map->reset;	2238	$map->reset;
1513	undef $guard;
1514	return find $path;	2239	return find $path;
1515	}	2240	}
1516		2241
1517	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1518	}	2243	}
1519	}	2244	}
1520		2245
1521	sub pre_load { }	2246	sub pre_load { }
1522	sub post_load { }	2247	#sub post_load { } # XS
1523		2248
1524	sub load {	2249	sub load {
1525	my ($self) = @_;	2250	my ($self) = @_;
1526		2251
1527	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1528		2253
1529	my $path = $self->{path};	2254	my $path = $self->{path};
1530		2255
1531	{	2256	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1533		2258
		2259	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2261
1538	$self->alloc;	2262	$self->alloc;
1539		2263
1540	$self->pre_load;	2264	$self->pre_load;
1541	Coro::cede;	2265	cf::cede_to_tick;
1542		2266
1543	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1544	or return;	2271	or return;
1545		2272
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1547	if delete $self->{load_original};	2274	if delete $self->{load_original};
1548		2275
1549	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2277	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2280	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1554	}	2285	}
1555	}
1556		2286
1557	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1558	# now do the right thing for maps	2296	# now do the right thing for maps
1559	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2299	unless $self->difficulty;
1562	Coro::cede;	2300	cf::cede_to_tick;
1563		2301
1564	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2303	$self->decay_objects;
1566	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1567	$self->update_buttons;	2305	$self->update_buttons;
1568	Coro::cede;	2306	cf::cede_to_tick;
1569	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2308	}
1573		2309
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1575	}	2312	}
1576		2313
1577	$self->post_load;	2314	$self->post_load;
1578	}
1579		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2322	sub customise_for {
1581	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1582		2324
1583	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2326	if $self->per_player;
1585		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1586	$self	2331	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2332	}
1612		2333
1613	sub find_sync {	2334	sub find_sync {
1614	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1615		2336
1616	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1617	}	2342	}
1618		2343
1619	sub do_load_sync {	2344	sub do_load_sync {
1620	my ($map) = @_;	2345	my ($map) = @_;
1621		2346
1622	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1623	}	2352	}
1624		2353
1625	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1627		2356
1628	sub find_async {	2357	sub find_async {
1629	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1630		2359
1631	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1632		2361
1633	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1635	}	2364	}
1636		2365
1637	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1638	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1639	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2373	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2374	$map->load if $v;
		2375	}
1644		2376
1645	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1646	}	2378	}
1647	}	2379	}
1648	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1649	};	2381	};
1650	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1651		2383
1652	()	2384	()
1653	}	2385	}
1654		2386
		2387	# common code, used by both ->save and ->swapout
1655	sub save {	2388	sub _save {
1656	my ($self) = @_;	2389	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2390
1660	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1661		2392
1662	return unless $self->dirty;	2393	return unless $self->dirty;
1663		2394
…		…
1669	return if $self->{deny_save};	2400	return if $self->{deny_save};
1670		2401
1671	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1672		2403
1673	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1675	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1676		2410
1677	if ($uniq) {	2411	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2414	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2416	}
1683	}	2417	}
1684		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1685	sub swap_out {	2427	sub swap_out {
1686	my ($self) = @_;	2428	my ($self) = @_;
1687		2429
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1693	return if $self->players;	2434	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1697	$self->clear;	2445	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2446	}
1700		2447
1701	sub reset_at {	2448	sub reset_at {
1702	my ($self) = @_;	2449	my ($self) = @_;
1703		2450
1704	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1707		2453
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2456
…		…
1721	my ($self) = @_;	2467	my ($self) = @_;
1722		2468
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2470
1725	return if $self->players;	2471	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2472
1728	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1729		2474
1730	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1731		2476
1732	# need to save uniques path	2477	# need to save uniques path
1733	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2480
…		…
1737	if $uniq;	2482	if $uniq;
1738	}	2483	}
1739		2484
1740	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1741		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2489	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2490
1746	$self->unlink_save;	2491	$self->unlink_save;
1747	$self->destroy;	2492	$self->destroy;
1748	}	2493	}
1749		2494
1750	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1751		2496
1752	sub nuke {	2497	sub nuke {
1753	my ($self) = @_;	2498	my ($self) = @_;
1754		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1755	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1756		2504
1757	$self->unlink_save;	2505	$self->unlink_save;
1758		2506
1759	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2512
1765	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1766		2515
1767	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1768	}	2553	}
1769		2554
1770	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1771		2556
1772	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2558	instantiated unique items. May block.
1774		2559
1775	=cut	2560	=cut
1776		2561
1777	sub unique_maps() {	2562	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2563	[
1779	or return;	2564	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2565	utf8::decode $_;
1785	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2568	? ()
1788	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2571	]
1790
1791	\@paths
1792	}	2572	}
1793		2573
1794	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1795		2605
1796	=back	2606	=back
1797		2607
1798	=head3 cf::object	2608	=head3 cf::object
1799		2609
…		…
1803		2613
1804	=over 4	2614	=over 4
1805		2615
1806	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1807		2617
1808	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1809		2620
1810	=cut	2621	=cut
1811		2622
1812	sub inv_recursive_;	2623	sub inv_recursive_;
1813	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1816		2627
1817	sub inv_recursive {	2628	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1819	}	2630	}
1820		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1821	package cf;	2660	package cf;
1822		2661
1823	=back	2662	=back
1824		2663
1825	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1834		2673
1835	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1836		2689
1837	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2691	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1842		2695
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2697
1845	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1847	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1850	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1851	}	2723	}
1852		2724
1853	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1854		2726
1855	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1868		2740
1869	=item $player_object->enter_link	2741	=item $player_object->enter_link
1870		2742
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2744
1873	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1875		2749
1876	Will never block.	2750	Will never block.
1877		2751
1878	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1879		2753
…		…
1899	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2774	my ($self) = @_;
1901		2775
1902	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1903		2777
		2778	++$self->{_link_recursion};
		2779
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2781
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
1908		2784
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2786	}
1911		2787
1912	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
1914		2790
…		…
1931	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1933		2809
1934	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1937		2813
1938	$map->load;	2814	$map->load;
1939	$map->load_diag;
1940		2815
1941	return unless $self->contr->active;	2816	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2817
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1946	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
1947		2825
		2826	}
		2827
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2829
1950	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
1954		2838
1955	=cut	2839	=cut
1956		2840
1957	our $GOTOGEN;	2841	our $GOTOGEN;
1958		2842
1959	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
1961		2851
1962	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2854
1965	$self->enter_link;	2855	$self->enter_link;
1966		2856
1967	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1968	my $map = eval {	2879	my $map = eval {
1969	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2881
1971	if ($map) {	2882	if ($map) {
1972	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2885	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2887	}
1977		2888
1978	$map	2889	$map
1979	};	2890	};
1980		2891
…		…
1985		2896
1986	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
1989	}	2900	}
		2901
		2902	$done->($self) if $done;
1990	})->prio (1);	2903	})->prio (1);
1991	}	2904	}
1992		2905
1993	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1994		2907
…		…
2014	}	2927	}
2015		2928
2016	sub prepare_random_map {	2929	sub prepare_random_map {
2017	my ($exit) = @_;	2930	my ($exit) = @_;
2018		2931
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2934	# that depends on the exit object
2024		2935
2025	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2938	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2032	}	2945	}
2033		2946
2034	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2035		2948
2036	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2039		2952
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2955	undef $fh;
2043	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2044		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2047	}	2964	}
2048	}	2965	}
2049		2966
2050	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2052		2969
2053	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2054		2971
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2972	$self->enter_link;
2067		2973
2068	(async {	2974	(async {
2069	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2070	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2071	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2072		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2073	1;	3013	1
2074	}) {	3014	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2079		3019
2080	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	3021	$self->leave_link;
2082	}	3022	}
2083	})->prio (1);	3023	})->prio (1);
2084	}	3024	}
2085		3025
…		…
2099		3039
2100	utf8::encode $text;	3040	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	3042	}
2103		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2104	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2105		3232
2106	Sends an exti event to the client.	3233	Sends an ext event to the client.
2107		3234
2108	=cut	3235	=cut
2109		3236
2110	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2112		3239
2113	$msg{msgtype} = "event_$type";	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2115	}	3253	}
2116		3254
2117	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2118		3256
2119	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3260
2123	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3262	become reliable at some point in the future.
2125		3263
2126	=cut	3264	=cut
2127		3265
2128	sub cf::client::query {	3266	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3275	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3277
2140	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2142	}	3282	}
2143		3283
2144	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
2145	on_reply => sub {	3290	on_reply => sub {
2146	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2147		3292
2148	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2149	# get handled first	3294	# get handled first
…		…
2161	} else {	3306	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3308	}
2164	}	3309	}
2165	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2166	);	3334	);
2167		3335
2168	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2169		3337
2170	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3354
2187	$coro	3355	$coro
2188	}	3356	}
2189		3357
2190	cf::client->attach (	3358	cf::client->attach (
2191	on_destroy => sub {	3359	on_client_destroy => sub {
2192	my ($ns) = @_;	3360	my ($ns) = @_;
2193		3361
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3363	},
2196	);	3364	);
…		…
2211	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2213		3381
2214	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2215		3383
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2217		3389
2218	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2219		3391
2220	=pod	3392	=pod
2221		3393
2222	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2223		3395
2224	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2225	cf::object::player player	3401	cf::object::player
2226	cf::player peaceful	3402	player
2227	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2228		3409
2229	=cut	3410	=cut
2230		3411
2231	for (	3412	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2236	) {	3419	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3422	for @funs;
2241	}	3423	}
2242		3424
…		…
2257		3439
2258	my $qcode = $code;	3440	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2261		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2262	local $_;	3447	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3448
2265	my $eval =	3449	my $eval =
2266	"do {\n"	3450	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3453	. $code
2270	. "\n}"	3454	. "\n}"
2271	;	3455	;
2272		3456
		3457	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2276		3466
2277	if ($@) {	3467	if ($@) {
2278	warn "$@";	3468	warn "$@",
2279	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2281	}	3471	}
2282		3472
2283	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2284	}	3474	}
2285		3475
…		…
2299	=cut	3489	=cut
2300		3490
2301	sub register_script_function {	3491	sub register_script_function {
2302	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2303		3493
2304	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2306	}	3496	}
2307		3497
2308	=back	3498	=back
2309		3499
2310	=cut	3500	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3501
2484	#############################################################################	3502	#############################################################################
2485	# the server's init and main functions	3503	# the server's init and main functions
2486		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2487	sub load_facedata($) {	3529	sub load_facedata($) {
2488	my ($path) = @_;	3530	my ($path) = @_;
2489		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2490	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2491		3539
2492	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3541
2498	$facedata->{version} == 2	3542	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3544
		3545	cf::cede_to_tick;
		3546
2501	{	3547	{
2502	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2503		3549
2504	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2510	}	3562	}
2511		3563
2512	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2514	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2515	or next;	3568	or next;
		3569
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3573	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3575	}
2521	Coro::cede;	3576
		3577	cf::cede_to_tick;
2522	}	3578	}
2523	}	3579	}
2524		3580
2525	{	3581	{
2526	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2527		3583
2528	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3586	cf::cede_to_tick;
2531	}	3587	}
2532		3588
2533	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2534	}	3590	}
2535		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2536	1	3614	1
2537	}	3615	}
2538		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2539	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2540	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2542	}	3660	}
2543		3661
2544	sub reload_facedata {	3662	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2547	}	3665	}
2548		3666
2549	sub reload_archetypes {	3667	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2552	}	3679	}
2553		3680
2554	sub reload_treasures {	3681	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2557	}	3684	}
2558		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	#d# move docstuff to help or so
		3707	our %DOCSTRING;
		3708
		3709	sub reload_pod {
		3710	trace "loading pods $PODDIR\n";
		3711
		3712	%DOCSTRING = ();
		3713	my @command_list;
		3714
		3715	for (
		3716	[0, "command_help"],
		3717	[1, "emote_help"],
		3718	[2, "dmcommand_help"],
		3719	) {
		3720	my ($type, $path) = @$_;
		3721
		3722	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3723	or die "unable to load $path";
		3724
		3725	my $level = 1e9;
		3726	my $rpar;
		3727
		3728	for my $par (@$paragraphs) {
		3729	if ($par->{type} eq "head2") {
		3730	# this code taken almost verbatim from DC/Protocol.pm
		3731
		3732	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3733	my $cmd = $1;
		3734	my @args = split /\|/, $2;
		3735	@args = (".*") unless @args;
		3736
		3737	$_ = $_ eq ".*" ? "" : " $_"
		3738	for @args;
		3739
		3740	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3741
		3742	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3743
		3744	push @command_list, [$type, \@variants];
		3745	$level = $par->{level};
		3746	} else {
		3747	error "$par->{markup}: unparsable command heading";
		3748	}
		3749	} elsif ($par->{level} > $level) {
		3750	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3751	}
		3752
		3753	cf::cede_to_tick;
		3754	}
		3755	}
		3756
		3757	@command_list = sort {
		3758	$a->[0] <=> $b->[0]
		3759	or $a->[1] cmp $b->[1]
		3760	} @command_list;
		3761
		3762	cf::cede_to_tick;
		3763
		3764	add_face "res/command_list" => FT_RSRC,
		3765	JSON::XS->new->utf8->encode (\@command_list);
		3766	}
		3767
2559	sub reload_resources {	3768	sub reload_resources {
2560	warn "reloading resource files...\n";	3769	trace "reloading resource files...\n";
2561		3770
		3771	reload_materials;
		3772	reload_facedata;
		3773	reload_exp_table;
		3774	reload_sound;
		3775	reload_archetypes;
2562	reload_regions;	3776	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3777	reload_treasures;
		3778	reload_pod;
2566		3779
2567	warn "finished reloading resource files\n";	3780	trace "finished reloading resource files\n";
2568	}	3781	}
2569		3782
2570	sub init {	3783	sub reload_config {
2571	reload_resources;	3784	trace "reloading config file...\n";
2572	}
2573		3785
2574	sub cfg_load {	3786	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3787	utf8::decode $config;
2576	or return;	3788	*CFG = decode_yaml $config;
2577		3789
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3790	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3791
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3792	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3793	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3794
2586	if (exists $CFG{mlockall}) {	3795	if (exists $CFG{mlockall}) {
…		…
2590	};	3799	};
2591	warn $@ if $@;	3800	warn $@ if $@;
2592	}	3801	}
2593	}	3802	}
2594		3803
		3804	sub pidfile() {
		3805	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3806	or die "$PIDFILE: $!";
		3807	flock $fh, &Fcntl::LOCK_EX
		3808	or die "$PIDFILE: flock: $!";
		3809	$fh
		3810	}
		3811
		3812	# make sure only one server instance is running at any one time
		3813	sub atomic {
		3814	my $fh = pidfile;
		3815
		3816	my $pid = <$fh>;
		3817	kill 9, $pid if $pid > 0;
		3818
		3819	seek $fh, 0, 0;
		3820	print $fh $$;
		3821	}
		3822
		3823	sub main_loop {
		3824	trace "EV::loop starting\n";
		3825	if (1) {
		3826	EV::loop;
		3827	}
		3828	trace "EV::loop returned\n";
		3829	goto &main_loop unless $REALLY_UNLOOP;
		3830	}
		3831
2595	sub main {	3832	sub main {
		3833	cf::init_globals; # initialise logging
		3834
		3835	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3836	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3837	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3838	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3839
		3840	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3841
2596	# we must not ever block the main coroutine	3842	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3843	$Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3844	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3845	(async {
2600	Event::one_event;	3846	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3847	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3848	})->prio (Coro::PRIO_MAX);
2602	};	3849	};
2603		3850
2604	cfg_load;	3851	evthread_start IO::AIO::poll_fileno;
		3852
		3853	cf::sync_job {
		3854	cf::incloader::init ();
		3855
2605	db_init;	3856	db_init;
		3857
		3858	cf::init_anim;
		3859	cf::init_attackmess;
		3860	cf::init_dynamic;
		3861
		3862	cf::load_settings;
		3863
		3864	reload_resources;
		3865	reload_config;
		3866
		3867	cf::init_uuid;
		3868	cf::init_signals;
		3869	cf::init_skills;
		3870
		3871	cf::init_beforeplay;
		3872
		3873	atomic;
		3874
2606	load_extensions;	3875	load_extensions;
2607		3876
2608	$TICK_WATCHER->start;	3877	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3878
		3879	# no (long-running) fork's whatsoever before this point(!)
		3880	use POSIX ();
		3881	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3882
		3883	cf::_post_init 0;
		3884	};
		3885
		3886	cf::object::thawer::errors_are_fatal 0;
		3887	info "parse errors in files are no longer fatal from this point on.\n";
		3888
		3889	AE::postpone {
		3890	undef &main; # free gobs of memory :)
		3891	};
		3892
		3893	goto &main_loop;
2610	}	3894	}
2611		3895
2612	#############################################################################	3896	#############################################################################
2613	# initialisation and cleanup	3897	# initialisation and cleanup
2614		3898
2615	# install some emergency cleanup handlers	3899	# install some emergency cleanup handlers
2616	BEGIN {	3900	BEGIN {
		3901	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3902	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3903	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3904	cf::cleanup "SIG$signal";
2625	},
2626	);	3905	};
		3906	}
		3907	}
		3908
		3909	sub write_runtime_sync {
		3910	my $t0 = AE::time;
		3911
		3912	# first touch the runtime file to show we are still running:
		3913	# the fsync below can take a very very long time.
		3914
		3915	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3916
		3917	my $guard = cf::lock_acquire "write_runtime";
		3918
		3919	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3920	or return;
		3921
		3922	my $value = $cf::RUNTIME + 90 + 10;
		3923	# 10 is the runtime save interval, for a monotonic clock
		3924	# 60 allows for the watchdog to kill the server.
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	# touch it again to show we are up-to-date
		3934	aio_utime $fh, undef, undef;
		3935
		3936	close $fh
		3937	or return;
		3938
		3939	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3940	and return;
		3941
		3942	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3943
2627	}	3944	1
		3945	}
		3946
		3947	our $uuid_lock;
		3948	our $uuid_skip;
		3949
		3950	sub write_uuid_sync($) {
		3951	$uuid_skip ||= $_[0];
		3952
		3953	return if $uuid_lock;
		3954	local $uuid_lock = 1;
		3955
		3956	my $uuid = "$LOCALDIR/uuid";
		3957
		3958	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3959	or return;
		3960
		3961	my $value = uuid_seq uuid_cur;
		3962
		3963	unless ($value) {
		3964	info "cowardly refusing to write zero uuid value!\n";
		3965	return;
		3966	}
		3967
		3968	my $value = uuid_str $value + $uuid_skip;
		3969	$uuid_skip = 0;
		3970
		3971	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3972	and return;
		3973
		3974	# always fsync - this file is important
		3975	aio_fsync $fh
		3976	and return;
		3977
		3978	close $fh
		3979	or return;
		3980
		3981	aio_rename "$uuid~", $uuid
		3982	and return;
		3983
		3984	trace "uuid file written ($value).\n";
		3985
		3986	1
		3987
		3988	}
		3989
		3990	sub write_uuid($$) {
		3991	my ($skip, $sync) = @_;
		3992
		3993	$sync ? write_uuid_sync $skip
		3994	: async { write_uuid_sync $skip };
2628	}	3995	}
2629		3996
2630	sub emergency_save() {	3997	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3998	my $freeze_guard = cf::freeze_mainloop;
2632		3999
2633	warn "enter emergency perl save\n";	4000	info "emergency_perl_save: enter\n";
		4001
		4002	# this is a trade-off: we want to be very quick here, so
		4003	# save all maps without fsync, and later call a global sync
		4004	# (which in turn might be very very slow)
		4005	local $USE_FSYNC = 0;
2634		4006
2635	cf::sync_job {	4007	cf::sync_job {
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
2636	# use a peculiar iteration method to avoid tripping on perl	4010	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	4011	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	4012	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	4013	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	4014	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	4015	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	4016	$pl->valid or next;
		4017	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	4018	$pl->save;
2644	}	4019	}
2645	warn "end emergency player save\n";	4020	info "emergency_perl_save: end player save\n";
2646		4021
2647	warn "begin emergency map save\n";	4022	cf::write_runtime_sync; # external watchdog should not bark
		4023
		4024	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	4025	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	4026	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	4027	$map->valid or next;
2651	$map->save;	4028	$map->save;
2652	}	4029	}
2653	warn "end emergency map save\n";	4030	info "emergency_perl_save: end map save\n";
2654		4031
2655	warn "begin emergency database checkpoint\n";	4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
		4034	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	4035	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	4036	info "emergency_perl_save: end database checkpoint\n";
		4037
		4038	info "emergency_perl_save: begin write uuid\n";
		4039	write_uuid_sync 1;
		4040	info "emergency_perl_save: end write uuid\n";
		4041
		4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	trace "emergency_perl_save: syncing database to disk";
		4045	BDB::db_env_txn_checkpoint $DB_ENV;
		4046
		4047	info "emergency_perl_save: starting sync\n";
		4048	IO::AIO::aio_sync sub {
		4049	info "emergency_perl_save: finished sync\n";
		4050	};
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	trace "emergency_perl_save: flushing outstanding aio requests";
		4055	while (IO::AIO::nreqs || BDB::nreqs) {
		4056	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4057	}
		4058
		4059	cf::write_runtime_sync; # external watchdog should not bark
2658	};	4060	};
2659		4061
2660	warn "leave emergency perl save\n";	4062	info "emergency_perl_save: leave\n";
2661	}	4063	}
2662		4064
2663	sub post_cleanup {	4065	sub post_cleanup {
2664	my ($make_core) = @_;	4066	my ($make_core) = @_;
2665		4067
		4068	IO::AIO::flush;
		4069
2666	warn Carp::longmess "post_cleanup backtrace"	4070	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	4071	if $make_core;
		4072
		4073	my $fh = pidfile;
		4074	unlink $PIDFILE if <$fh> == $$;
		4075	}
		4076
		4077	# a safer delete_package, copied from Symbol
		4078	sub clear_package($) {
		4079	my $pkg = shift;
		4080
		4081	# expand to full symbol table name if needed
		4082	unless ($pkg =~ /^main::.*::$/) {
		4083	$pkg = "main$pkg" if $pkg =~ /^::/;
		4084	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4085	$pkg .= '::' unless $pkg =~ /::$/;
		4086	}
		4087
		4088	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4089	my $stem_symtab = *{$stem}{HASH};
		4090
		4091	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4092	or return;
		4093
		4094	# clear all symbols
		4095	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4096	for my $name (keys %$leaf_symtab) {
		4097	_gv_clear *{"$pkg$name"};
		4098	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4099	}
2668	}	4100	}
2669		4101
2670	sub do_reload_perl() {	4102	sub do_reload_perl() {
2671	# can/must only be called in main	4103	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	4104	unless (in_main) {
2673	warn "can only reload from main coroutine";	4105	error "can only reload from main coroutine";
2674	return;	4106	return;
2675	}	4107	}
2676		4108
2677	warn "reloading...";	4109	return if $RELOAD++;
2678		4110
2679	warn "entering sync_job";	4111	my $t1 = AE::time;
2680		4112
		4113	while ($RELOAD) {
		4114	cf::get_slot 0.1, -1, "reload_perl";
		4115	info "perl_reload: reloading...";
		4116
		4117	trace "perl_reload: entering sync_job";
		4118
2681	cf::sync_job {	4119	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	4120	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		4121
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	4122	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	4123	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	4124	%EXT_CORO = ();
2710		4125
2711	warn "removing commands";	4126	trace "perl_reload: removing commands";
2712	%COMMAND = ();	4127	%COMMAND = ();
2713		4128
2714	warn "removing ext commands";	4129	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	4130	%EXTCMD = ();
		4131	%EXTICMD = ();
2716		4132
2717	warn "unloading/nuking all extensions";	4133	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	4134	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	4135	trace "... unloading $pkg";
2720		4136
2721	if (my $cb = $pkg->can ("unload")) {	4137	if (my $cb = $pkg->can ("unload")) {
2722	eval {	4138	eval {
2723	$cb->($pkg);	4139	$cb->($pkg);
2724	1	4140	1
2725	} or warn "$pkg unloaded, but with errors: $@";	4141	} or error "$pkg unloaded, but with errors: $@";
		4142	}
		4143
		4144	trace "... clearing $pkg";
		4145	clear_package $pkg;
2726	}	4146	}
2727		4147
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	4148	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	4149	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4150	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		4151
2736	warn "... unloading $k";	4152	trace "... unloading $k";
2737	delete $INC{$k};	4153	delete $INC{$k};
2738		4154
2739	$k =~ s/\.pm$//;	4155	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4156	$k =~ s/\//::/g;
2741		4157
2742	if (my $cb = $k->can ("unload_module")) {	4158	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4159	$cb->();
		4160	}
		4161
		4162	clear_package $k;
2744	}	4163	}
2745		4164
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4165	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4166	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4167	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4168
2753	warn "unloading cf.pm \"a bit\"";	4169	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4170	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4171	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4172
2757	# don't, removes xs symbols, too,	4173	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4174	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4175	#clear_package __PACKAGE__;
2760		4176
2761	warn "unload completed, starting to reload now";	4177	info "perl_reload: unload completed, starting to reload now";
2762		4178
2763	warn "reloading cf.pm";	4179	trace "perl_reload: reloading cf.pm";
2764	require cf;	4180	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4181	cf::_connect_to_perl_1;
2766		4182
2767	warn "loading config and database again";	4183	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4184	cf::reload_config;
2769		4185
2770	warn "loading extensions";	4186	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4187	cf::load_extensions;
2772		4188
		4189	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4190	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4191	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4192	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4193	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4194	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4195	reattach $_ for values %PLAYER;
		4196	}
2779		4197
2780	warn "leaving sync_job";	4198	cf::_post_init 1;
2781		4199
		4200	trace "perl_reload: leaving sync_job";
		4201
2782	1	4202	1
2783	} or do {	4203	} or do {
2784	warn $@;	4204	error $@;
2785	warn "error while reloading, exiting.";	4205	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4206	};
		4207
		4208	--$RELOAD;
2787	};	4209	}
2788		4210
2789	warn "reloaded";	4211	$t1 = AE::time - $t1;
		4212	info "perl_reload: completed in ${t1}s\n";
2790	};	4213	};
2791		4214
2792	our $RELOAD_WATCHER; # used only during reload	4215	our $RELOAD_WATCHER; # used only during reload
2793		4216
2794	sub reload_perl() {	4217	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4218	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4219	# coro crashes during coro_state_free->destroy here.
2797		4220
2798	$RELOAD_WATCHER ||= Event->timer (	4221	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4222	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4223
2801	data => WF_AUTOCANCEL,	4224	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4225	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4226	undef $RELOAD_WATCHER;
2805	},	4227	};
2806	);	4228	};
2807	}	4229	}
2808		4230
2809	register_command "reload" => sub {	4231	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4232	my ($who, $arg) = @_;
2811		4233
2812	if ($who->flag (FLAG_WIZ)) {	4234	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4235	$who->message ("reloading server.");
		4236	async {
		4237	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4238	reload_perl;
		4239	};
2815	}	4240	}
2816	};	4241	};
2817		4242
2818	unshift @INC, $LIBDIR;	4243	#############################################################################
2819		4244
2820	my $bug_warning = 0;	4245	my $bug_warning = 0;
2821		4246
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4247	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4248	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4249
2829	my $signal = new Coro::Signal;	4250	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4251	}
2833		4252
2834	sub wait_for_tick_begin {	4253	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4254	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4255
2838	my $signal = new Coro::Signal;	4256	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4257	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4258	$signal->wait;
2841	}	4259	}
2842		4260
2843	my $min = 1e6;#d#	4261	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4262	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4263	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4264	unless ++$bug_warning > 10;
2855	return;	4265	return;
2856	}	4266	}
2857		4267
2858	$NOW = $tick_start = Event::time;	4268	cf::one_tick; # one server iteration
2859		4269
2860	cf::server_tick; # one server iteration	4270	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4271
2862	0 && sync_job {#d#	4272	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4273	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4274	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4275	$Coro::current->{desc} = "runtime saver";
2866	or die;	4276	write_runtime_sync
2867		4277	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4278	};
		4279	}
2884		4280
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4281	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4282	$sig->send;
2901	}	4283	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4284	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4285
2906	$NOW = Event::time;	4286	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4287	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4288
2917	_post_tick;	4289	if (0) {
2918		4290	if ($NEXT_TICK) {
2919		4291	my $jitter = $TICK_START - $NEXT_TICK;
		4292	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4293	debug "jitter $JITTER\n";#d#
		4294	}
2920	},	4295	}
2921	);	4296	}
2922		4297
2923	{	4298	{
2924	BDB::max_poll_time $TICK * 0.1;	4299	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4300	info "initialising database";
2926	reentrant => 0,	4301
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4302	BDB::min_parallel 16;
2934		4303	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4304	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4305
2950	unless ($DB_ENV) {	4306	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4307	$DB_ENV = BDB::db_env_create;
		4308	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4309	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4310	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4311	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4312	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4313
2953	cf::sync_job {	4314	cf::sync_job {
2954	eval {	4315	eval {
2955	BDB::db_env_open	4316	BDB::db_env_open
2956	$DB_ENV,	4317	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4319	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4320	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4321	0666;
2961		4322
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4323	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4324	};
2967		4325
2968	cf::cleanup "db_env_open(db): $@" if $@;	4326	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4327	};
2970	}	4328	}
		4329
		4330	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4331	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4332	};
		4333	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4334	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4335	};
		4336	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4337	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4338	};
		4339
		4340	info "database initialised";
2971	}	4341	}
2972		4342
2973	{	4343	{
		4344	# configure IO::AIO
		4345
		4346	info "initialising aio";
2974	IO::AIO::min_parallel 8;	4347	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4348	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4349	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,	4350	info "aio initialised";
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4351	}
2987		4352
2988	my $_log_backtrace;	4353	our $_log_backtrace;
		4354	our $_log_backtrace_last;
2989		4355
2990	sub _log_backtrace {	4356	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4357	my ($msg, @addr) = @_;
2992		4358
2993	$msg =~ s/\n//;	4359	$msg =~ s/\n$//;
2994		4360
		4361	if ($_log_backtrace_last eq $msg) {
		4362	LOG llevInfo, "[ABT] $msg\n";
		4363	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4364	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4365	} elsif ($_log_backtrace < 2) {
		4366	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4367	++$_log_backtrace;
		4368	my $perl_bt = Carp::longmess $msg;
2998	async {	4369	async {
		4370	$Coro::current->{desc} = "abt $msg";
		4371
2999	my @bt = fork_call {	4372	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4373	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4374	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4375	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4376	or die "addr2line: $!";
…		…
3011	}	4384	}
3012		4385
3013	@funcs	4386	@funcs
3014	};	4387	};
3015		4388
3016	LOG llevInfo, "[ABT] $msg\n";	4389	LOG llevInfo, "[ABT] $perl_bt\n";
		4390	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4391	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4392	--$_log_backtrace;
3019	};	4393	};
3020	} else {	4394	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4395	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4396	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4397	}
3024	}	4398	}
3025		4399
3026	# load additional modules	4400	# load additional modules
3027	use cf::pod;	4401	require "cf/$_.pm" for @EXTRA_MODULES;
		4402	cf::_connect_to_perl_2;
3028		4403
3029	END { cf::emergency_save }	4404	END { cf::emergency_save }
3030		4405
3031	1	4406	1
3032		4407

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