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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.589 by root, Sun Nov 4 01:01:13 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		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.
…		…
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, $type, @msg) = @_;
2112		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2115	}	3260	}
2116		3261
2117	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2118		3263
2119	Queues a query to the client, calling the given callback with	3264	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>,	3265	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>.	3266	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3267
2123	Queries can fail, so check the return code. Or don't, as queries will become	3268	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3269	become reliable at some point in the future.
2125		3270
2126	=cut	3271	=cut
2127		3272
2128	sub cf::client::query {	3273	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3282	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3284
2140	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2142	}	3289	}
2143		3290
2144	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2145	on_reply => sub {	3297	on_reply => sub {
2146	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2147		3299
2148	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2149	# get handled first	3301	# get handled first
…		…
2161	} else {	3313	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3315	}
2164	}	3316	}
2165	},	3317	},
		3318	on_exticmd => sub {
		3319	my ($ns, $buf) = @_;
		3320
		3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3322
		3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2166	);	3341	);
2167		3342
2168	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2169		3344
2170	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3361
2187	$coro	3362	$coro
2188	}	3363	}
2189		3364
2190	cf::client->attach (	3365	cf::client->attach (
2191	on_destroy => sub {	3366	on_client_destroy => sub {
2192	my ($ns) = @_;	3367	my ($ns) = @_;
2193		3368
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3370	},
2196	);	3371	);
…		…
2211	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2213		3388
2214	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2215		3390
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2217		3396
2218	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2219		3398
2220	=pod	3399	=pod
2221		3400
2222	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2223		3402
2224	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2225	cf::object::player player	3408	cf::object::player
2226	cf::player peaceful	3409	player
2227	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2228		3416
2229	=cut	3417	=cut
2230		3418
2231	for (	3419	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2236	) {	3426	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3429	for @funs;
2241	}	3430	}
2242		3431
…		…
2257		3446
2258	my $qcode = $code;	3447	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2261		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2262	local $_;	3454	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3455
2265	my $eval =	3456	my $eval =
2266	"do {\n"	3457	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3460	. $code
2270	. "\n}"	3461	. "\n}"
2271	;	3462	;
2272		3463
		3464	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2276		3473
2277	if ($@) {	3474	if ($@) {
2278	warn "$@";	3475	warn "$@",
2279	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2281	}	3478	}
2282		3479
2283	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2284	}	3481	}
2285		3482
…		…
2299	=cut	3496	=cut
2300		3497
2301	sub register_script_function {	3498	sub register_script_function {
2302	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2303		3500
2304	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2306	}	3503	}
2307		3504
2308	=back	3505	=back
2309		3506
2310	=cut	3507	=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 $@;
2480	_exit 0;
2481	}
2482	}
2483		3508
2484	#############################################################################	3509	#############################################################################
2485	# the server's init and main functions	3510	# the server's init and main functions
2486		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
		3514	# internal api, not fianlised
		3515	sub add_face {
		3516	my ($name, $type, $data) = @_;
		3517
		3518	my $idx = cf::face::find $name;
		3519
		3520	if ($idx) {
		3521	delete $FACEHASH{cf::face::get_chksum $idx};
		3522	} else {
		3523	$idx = cf::face::alloc $name;
		3524	}
		3525
		3526	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3527
		3528	cf::face::set_type $idx, $type;
		3529	cf::face::set_data $idx, 0, $data, $hash;
		3530	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3531	$FACEHASH{$hash} = $idx;#d#
		3532
		3533	$idx
		3534	}
		3535
2487	sub load_facedata($) {	3536	sub load_facedata($) {
2488	my ($path) = @_;	3537	my ($path) = @_;
2489		3538
		3539	# HACK to clear player env face cache, we need some signal framework
		3540	# for this (global event?)
		3541	%ext::player_env::MUSIC_FACE_CACHE = ();
		3542
		3543	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3544
2490	warn "loading facedata from $path\n";	3545	trace "loading facedata from $path\n";
2491		3546
2492	my $facedata;	3547	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		3548
2498	$facedata->{version} == 2	3549	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3550	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3551
		3552	cf::cede_to_tick;
		3553
2501	{	3554	{
2502	my $faces = $facedata->{faceinfo};	3555	my $faces = $facedata->{faceinfo};
2503		3556
2504	while (my ($face, $info) = each %$faces) {	3557	for my $face (sort keys %$faces) {
		3558	my $info = $faces->{$face};
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3559	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3560
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3561	cf::face::set_visibility $idx, $info->{visibility};
		3562	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3563	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3564	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3565	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3566	$FACEHASH{$info->{hash64}} = $idx;#d#
		3567
		3568	cf::cede_to_tick;
2511	}	3569	}
2512		3570
2513	while (my ($face, $info) = each %$faces) {	3571	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3572	next unless $info->{smooth};
		3573
2515	my $idx = cf::face::find $face	3574	my $idx = cf::face::find $face
2516	or next;	3575	or next;
		3576
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3577	if (my $smooth = cf::face::find $info->{smooth}) {
		3578	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3579	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3580	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3581	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3582	}
2522	Coro::cede;	3583
		3584	cf::cede_to_tick;
2523	}	3585	}
2524	}	3586	}
2525		3587
2526	{	3588	{
2527	my $anims = $facedata->{animinfo};	3589	my $anims = $facedata->{animinfo};
2528		3590
2529	while (my ($anim, $info) = each %$anims) {	3591	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3592	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3593	cf::cede_to_tick;
2532	}	3594	}
2533		3595
2534	cf::anim::invalidate_all; # d'oh	3596	cf::anim::invalidate_all; # d'oh
2535	}	3597	}
2536		3598
		3599	{
		3600	my $res = $facedata->{resource};
		3601
		3602	while (my ($name, $info) = each %$res) {
		3603	if (defined (my $type = $info->{type})) {
		3604	# TODO: different hash - must free and use new index, or cache ixface data queue
		3605	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3606
		3607	cf::face::set_type $idx, $type;
		3608	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3609	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3610	$FACEHASH{$info->{hash}} = $idx;#d#
		3611	} else {
		3612	# $RESOURCE{$name} = $info; # unused
		3613	}
		3614
		3615	cf::cede_to_tick;
		3616	}
		3617	}
		3618
		3619	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3620
2537	1	3621	1
2538	}	3622	}
2539		3623
		3624	register_exticmd fx_want => sub {
		3625	my ($ns, $want) = @_;
		3626
		3627	while (my ($k, $v) = each %$want) {
		3628	$ns->fx_want ($k, $v);
		3629	}
		3630	};
		3631
		3632	sub load_resource_file($) {
		3633	my $guard = lock_acquire "load_resource_file";
		3634
		3635	my $status = load_resource_file_ $_[0];
		3636	get_slot 0.1, 100;
		3637	cf::arch::commit_load;
		3638
		3639	$status
		3640	}
		3641
		3642	sub reload_exp_table {
		3643	_reload_exp_table;
		3644
		3645	add_face "res/exp_table" => FT_RSRC,
		3646	JSON::XS->new->utf8->canonical->encode (
		3647	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3648	);
		3649	}
		3650
		3651	sub reload_materials {
		3652	_reload_materials;
		3653	}
		3654
2540	sub reload_regions {	3655	sub reload_regions {
		3656	# HACK to clear player env face cache, we need some signal framework
		3657	# for this (global event?)
		3658	%ext::player_env::MUSIC_FACE_CACHE = ();
		3659
2541	load_resource_file "$MAPDIR/regions"	3660	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3661	or die "unable to load regions file\n";
		3662
		3663	for (cf::region::list) {
		3664	$_->{match} = qr/$_->{match}/
		3665	if exists $_->{match};
		3666	}
2543	}	3667	}
2544		3668
2545	sub reload_facedata {	3669	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3670	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3671	or die "unable to load facedata\n";
2548	}	3672	}
2549		3673
2550	sub reload_archetypes {	3674	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3675	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3676	or die "unable to load archetypes\n";
		3677
		3678	add_face "res/skill_info" => FT_RSRC,
		3679	JSON::XS->new->utf8->canonical->encode (
		3680	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3681	);
		3682	add_face "res/spell_paths" => FT_RSRC,
		3683	JSON::XS->new->utf8->canonical->encode (
		3684	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3685	);
2553	}	3686	}
2554		3687
2555	sub reload_treasures {	3688	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3689	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3690	or die "unable to load treasurelists\n";
2558	}	3691	}
2559		3692
		3693	sub reload_sound {
		3694	trace "loading sound config from $DATADIR/sound\n";
		3695
		3696	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3697
		3698	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3699	my $sound = $soundconf->{compat}[$_]
		3700	or next;
		3701
		3702	my $face = cf::face::find "sound/$sound->[1]";
		3703	cf::sound::set $sound->[0] => $face;
		3704	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3705	}
		3706
		3707	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3708	my $face = cf::face::find "sound/$v";
		3709	cf::sound::set $k => $face;
		3710	}
		3711	}
		3712
2560	sub reload_resources {	3713	sub reload_resources {
2561	warn "reloading resource files...\n";	3714	trace "reloading resource files...\n";
2562		3715
		3716	reload_materials;
		3717	reload_facedata;
		3718	reload_exp_table;
		3719	reload_sound;
		3720	reload_archetypes;
2563	reload_regions;	3721	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3722	reload_treasures;
2567		3723
2568	warn "finished reloading resource files\n";	3724	trace "finished reloading resource files\n";
2569	}	3725	}
2570		3726
2571	sub init {	3727	sub reload_config {
2572	reload_resources;	3728	trace "reloading config file...\n";
2573	}
2574		3729
2575	sub cfg_load {	3730	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3731	utf8::decode $config;
2577	or return;	3732	*CFG = decode_yaml $config;
2578		3733
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3734	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3735
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3736	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3737	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3738
2587	if (exists $CFG{mlockall}) {	3739	if (exists $CFG{mlockall}) {
…		…
2591	};	3743	};
2592	warn $@ if $@;	3744	warn $@ if $@;
2593	}	3745	}
2594	}	3746	}
2595		3747
		3748	sub pidfile() {
		3749	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3750	or die "$PIDFILE: $!";
		3751	flock $fh, &Fcntl::LOCK_EX
		3752	or die "$PIDFILE: flock: $!";
		3753	$fh
		3754	}
		3755
		3756	# make sure only one server instance is running at any one time
		3757	sub atomic {
		3758	my $fh = pidfile;
		3759
		3760	my $pid = <$fh>;
		3761	kill 9, $pid if $pid > 0;
		3762
		3763	seek $fh, 0, 0;
		3764	print $fh $$;
		3765	}
		3766
		3767	sub main_loop {
		3768	trace "EV::loop starting\n";
		3769	if (1) {
		3770	EV::loop;
		3771	}
		3772	trace "EV::loop returned\n";
		3773	goto &main_loop unless $REALLY_UNLOOP;
		3774	}
		3775
2596	sub main {	3776	sub main {
		3777	cf::init_globals; # initialise logging
		3778
		3779	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3780	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3781	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3782	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3783
		3784	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3785
2597	# we must not ever block the main coroutine	3786	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3787	$Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3788	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3789	(async {
2601	Event::one_event;	3790	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3791	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3792	})->prio (Coro::PRIO_MAX);
2603	};	3793	};
2604		3794
2605	cfg_load;	3795	evthread_start IO::AIO::poll_fileno;
		3796
		3797	cf::sync_job {
		3798	cf::incloader::init ();
		3799
		3800	cf::init_anim;
		3801	cf::init_attackmess;
		3802	cf::init_dynamic;
		3803
		3804	cf::load_settings;
		3805
		3806	reload_resources;
		3807	reload_config;
2606	db_init;	3808	db_init;
		3809
		3810	cf::init_uuid;
		3811	cf::init_signals;
		3812	cf::init_skills;
		3813
		3814	cf::init_beforeplay;
		3815
		3816	atomic;
		3817
2607	load_extensions;	3818	load_extensions;
2608		3819
2609	$TICK_WATCHER->start;	3820	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3821
		3822	# no (long-running) fork's whatsoever before this point(!)
		3823	use POSIX ();
		3824	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3825
		3826	cf::_post_init 0;
		3827	};
		3828
		3829	cf::object::thawer::errors_are_fatal 0;
		3830	info "parse errors in files are no longer fatal from this point on.\n";
		3831
		3832	AE::postpone {
		3833	undef &main; # free gobs of memory :)
		3834	};
		3835
		3836	goto &main_loop;
2611	}	3837	}
2612		3838
2613	#############################################################################	3839	#############################################################################
2614	# initialisation and cleanup	3840	# initialisation and cleanup
2615		3841
2616	# install some emergency cleanup handlers	3842	# install some emergency cleanup handlers
2617	BEGIN {	3843	BEGIN {
		3844	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3845	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3846	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3847	cf::cleanup "SIG$signal";
2626	},
2627	);	3848	};
		3849	}
		3850	}
		3851
		3852	sub write_runtime_sync {
		3853	my $t0 = AE::time;
		3854
		3855	# first touch the runtime file to show we are still running:
		3856	# the fsync below can take a very very long time.
		3857
		3858	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3859
		3860	my $guard = cf::lock_acquire "write_runtime";
		3861
		3862	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3863	or return;
		3864
		3865	my $value = $cf::RUNTIME + 90 + 10;
		3866	# 10 is the runtime save interval, for a monotonic clock
		3867	# 60 allows for the watchdog to kill the server.
		3868
		3869	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3870	and return;
		3871
		3872	# always fsync - this file is important
		3873	aio_fsync $fh
		3874	and return;
		3875
		3876	# touch it again to show we are up-to-date
		3877	aio_utime $fh, undef, undef;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3883	and return;
		3884
		3885	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3886
2628	}	3887	1
		3888	}
		3889
		3890	our $uuid_lock;
		3891	our $uuid_skip;
		3892
		3893	sub write_uuid_sync($) {
		3894	$uuid_skip ||= $_[0];
		3895
		3896	return if $uuid_lock;
		3897	local $uuid_lock = 1;
		3898
		3899	my $uuid = "$LOCALDIR/uuid";
		3900
		3901	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3902	or return;
		3903
		3904	my $value = uuid_seq uuid_cur;
		3905
		3906	unless ($value) {
		3907	info "cowardly refusing to write zero uuid value!\n";
		3908	return;
		3909	}
		3910
		3911	my $value = uuid_str $value + $uuid_skip;
		3912	$uuid_skip = 0;
		3913
		3914	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3915	and return;
		3916
		3917	# always fsync - this file is important
		3918	aio_fsync $fh
		3919	and return;
		3920
		3921	close $fh
		3922	or return;
		3923
		3924	aio_rename "$uuid~", $uuid
		3925	and return;
		3926
		3927	trace "uuid file written ($value).\n";
		3928
		3929	1
		3930
		3931	}
		3932
		3933	sub write_uuid($$) {
		3934	my ($skip, $sync) = @_;
		3935
		3936	$sync ? write_uuid_sync $skip
		3937	: async { write_uuid_sync $skip };
2629	}	3938	}
2630		3939
2631	sub emergency_save() {	3940	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3941	my $freeze_guard = cf::freeze_mainloop;
2633		3942
2634	warn "enter emergency perl save\n";	3943	info "emergency_perl_save: enter\n";
		3944
		3945	# this is a trade-off: we want to be very quick here, so
		3946	# save all maps without fsync, and later call a global sync
		3947	# (which in turn might be very very slow)
		3948	local $USE_FSYNC = 0;
2635		3949
2636	cf::sync_job {	3950	cf::sync_job {
		3951	cf::write_runtime_sync; # external watchdog should not bark
		3952
2637	# use a peculiar iteration method to avoid tripping on perl	3953	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3954	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3955	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3956	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3957	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3958	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3959	$pl->valid or next;
		3960	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3961	$pl->save;
2645	}	3962	}
2646	warn "end emergency player save\n";	3963	info "emergency_perl_save: end player save\n";
2647		3964
2648	warn "begin emergency map save\n";	3965	cf::write_runtime_sync; # external watchdog should not bark
		3966
		3967	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3968	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3969	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3970	$map->valid or next;
2652	$map->save;	3971	$map->save;
2653	}	3972	}
2654	warn "end emergency map save\n";	3973	info "emergency_perl_save: end map save\n";
2655		3974
2656	warn "begin emergency database checkpoint\n";	3975	cf::write_runtime_sync; # external watchdog should not bark
		3976
		3977	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3978	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3979	info "emergency_perl_save: end database checkpoint\n";
		3980
		3981	info "emergency_perl_save: begin write uuid\n";
		3982	write_uuid_sync 1;
		3983	info "emergency_perl_save: end write uuid\n";
		3984
		3985	cf::write_runtime_sync; # external watchdog should not bark
		3986
		3987	trace "emergency_perl_save: syncing database to disk";
		3988	BDB::db_env_txn_checkpoint $DB_ENV;
		3989
		3990	info "emergency_perl_save: starting sync\n";
		3991	IO::AIO::aio_sync sub {
		3992	info "emergency_perl_save: finished sync\n";
		3993	};
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
		3996
		3997	trace "emergency_perl_save: flushing outstanding aio requests";
		3998	while (IO::AIO::nreqs || BDB::nreqs) {
		3999	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4000	}
		4001
		4002	cf::write_runtime_sync; # external watchdog should not bark
2659	};	4003	};
2660		4004
2661	warn "leave emergency perl save\n";	4005	info "emergency_perl_save: leave\n";
2662	}	4006	}
2663		4007
2664	sub post_cleanup {	4008	sub post_cleanup {
2665	my ($make_core) = @_;	4009	my ($make_core) = @_;
2666		4010
		4011	IO::AIO::flush;
		4012
2667	warn Carp::longmess "post_cleanup backtrace"	4013	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	4014	if $make_core;
		4015
		4016	my $fh = pidfile;
		4017	unlink $PIDFILE if <$fh> == $$;
		4018	}
		4019
		4020	# a safer delete_package, copied from Symbol
		4021	sub clear_package($) {
		4022	my $pkg = shift;
		4023
		4024	# expand to full symbol table name if needed
		4025	unless ($pkg =~ /^main::.*::$/) {
		4026	$pkg = "main$pkg" if $pkg =~ /^::/;
		4027	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4028	$pkg .= '::' unless $pkg =~ /::$/;
		4029	}
		4030
		4031	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4032	my $stem_symtab = *{$stem}{HASH};
		4033
		4034	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4035	or return;
		4036
		4037	# clear all symbols
		4038	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4039	for my $name (keys %$leaf_symtab) {
		4040	_gv_clear *{"$pkg$name"};
		4041	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4042	}
2669	}	4043	}
2670		4044
2671	sub do_reload_perl() {	4045	sub do_reload_perl() {
2672	# can/must only be called in main	4046	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	4047	unless (in_main) {
2674	warn "can only reload from main coroutine";	4048	error "can only reload from main coroutine";
2675	return;	4049	return;
2676	}	4050	}
2677		4051
2678	warn "reloading...";	4052	return if $RELOAD++;
2679		4053
2680	warn "entering sync_job";	4054	my $t1 = AE::time;
2681		4055
		4056	while ($RELOAD) {
		4057	cf::get_slot 0.1, -1, "reload_perl";
		4058	info "perl_reload: reloading...";
		4059
		4060	trace "perl_reload: entering sync_job";
		4061
2682	cf::sync_job {	4062	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	4063	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		4064
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	4065	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	4066	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	4067	%EXT_CORO = ();
2711		4068
2712	warn "removing commands";	4069	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4070	%COMMAND = ();
2714		4071
2715	warn "removing ext commands";	4072	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4073	%EXTCMD = ();
		4074	%EXTICMD = ();
2717		4075
2718	warn "unloading/nuking all extensions";	4076	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4077	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4078	trace "... unloading $pkg";
2721		4079
2722	if (my $cb = $pkg->can ("unload")) {	4080	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4081	eval {
2724	$cb->($pkg);	4082	$cb->($pkg);
2725	1	4083	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4084	} or error "$pkg unloaded, but with errors: $@";
		4085	}
		4086
		4087	trace "... clearing $pkg";
		4088	clear_package $pkg;
2727	}	4089	}
2728		4090
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4091	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4092	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4094
2737	warn "... unloading $k";	4095	trace "... unloading $k";
2738	delete $INC{$k};	4096	delete $INC{$k};
2739		4097
2740	$k =~ s/\.pm$//;	4098	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4099	$k =~ s/\//::/g;
2742		4100
2743	if (my $cb = $k->can ("unload_module")) {	4101	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4102	$cb->();
		4103	}
		4104
		4105	clear_package $k;
2745	}	4106	}
2746		4107
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4108	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4109	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4110	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4111
2754	warn "unloading cf.pm \"a bit\"";	4112	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4113	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4114	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4115
2758	# don't, removes xs symbols, too,	4116	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4117	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4118	#clear_package __PACKAGE__;
2761		4119
2762	warn "unload completed, starting to reload now";	4120	info "perl_reload: unload completed, starting to reload now";
2763		4121
2764	warn "reloading cf.pm";	4122	trace "perl_reload: reloading cf.pm";
2765	require cf;	4123	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4124	cf::_connect_to_perl_1;
2767		4125
2768	warn "loading config and database again";	4126	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4127	cf::reload_config;
2770		4128
2771	warn "loading extensions";	4129	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4130	cf::load_extensions;
2773		4131
		4132	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4133	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4134	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4135	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4136	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4137	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4138	reattach $_ for values %PLAYER;
		4139	}
2780		4140
2781	warn "leaving sync_job";	4141	cf::_post_init 1;
2782		4142
		4143	trace "perl_reload: leaving sync_job";
		4144
2783	1	4145	1
2784	} or do {	4146	} or do {
2785	warn $@;	4147	error $@;
2786	warn "error while reloading, exiting.";	4148	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4149	};
		4150
		4151	--$RELOAD;
2788	};	4152	}
2789		4153
2790	warn "reloaded";	4154	$t1 = AE::time - $t1;
		4155	info "perl_reload: completed in ${t1}s\n";
2791	};	4156	};
2792		4157
2793	our $RELOAD_WATCHER; # used only during reload	4158	our $RELOAD_WATCHER; # used only during reload
2794		4159
2795	sub reload_perl() {	4160	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4161	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4162	# coro crashes during coro_state_free->destroy here.
2798		4163
2799	$RELOAD_WATCHER ||= Event->timer (	4164	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4165	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4166
2802	data => WF_AUTOCANCEL,	4167	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4168	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4169	undef $RELOAD_WATCHER;
2806	},	4170	};
2807	);	4171	};
2808	}	4172	}
2809		4173
2810	register_command "reload" => sub {	4174	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4175	my ($who, $arg) = @_;
2812		4176
2813	if ($who->flag (FLAG_WIZ)) {	4177	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4178	$who->message ("reloading server.");
		4179	async {
		4180	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4181	reload_perl;
		4182	};
2816	}	4183	}
2817	};	4184	};
2818		4185
2819	unshift @INC, $LIBDIR;	4186	#############################################################################
2820		4187
2821	my $bug_warning = 0;	4188	my $bug_warning = 0;
2822		4189
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4190	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4191	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4192
2830	my $signal = new Coro::Signal;	4193	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4194	}
2834		4195
2835	sub wait_for_tick_begin {	4196	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4197	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4198
2839	my $signal = new Coro::Signal;	4199	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4200	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4201	$signal->wait;
2842	}	4202	}
2843		4203
2844	my $min = 1e6;#d#	4204	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4205	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4206	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4207	unless ++$bug_warning > 10;
2856	return;	4208	return;
2857	}	4209	}
2858		4210
2859	$NOW = $tick_start = Event::time;	4211	cf::one_tick; # one server iteration
2860		4212
2861	cf::server_tick; # one server iteration	4213	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4214
2863	0 && sync_job {#d#	4215	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4216	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4217	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4218	$Coro::current->{desc} = "runtime saver";
2867	or die;	4219	write_runtime_sync
2868		4220	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4221	};
		4222	}
2885		4223
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4224	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4225	$sig->send;
2902	}	4226	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4227	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4228
2907	$NOW = Event::time;	4229	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4230	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4231
2918	_post_tick;	4232	if (0) {
2919		4233	if ($NEXT_TICK) {
2920		4234	my $jitter = $TICK_START - $NEXT_TICK;
		4235	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4236	debug "jitter $JITTER\n";#d#
		4237	}
2921	},	4238	}
2922	);	4239	}
2923		4240
2924	{	4241	{
2925	BDB::max_poll_time $TICK * 0.1;	4242	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4243
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4244	BDB::min_parallel 16;
2935		4245	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4246	#$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4247
2951	unless ($DB_ENV) {	4248	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4249	$DB_ENV = BDB::db_env_create;
		4250	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4251	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4252	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4253	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4254	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4255
2954	cf::sync_job {	4256	cf::sync_job {
2955	eval {	4257	eval {
2956	BDB::db_env_open	4258	BDB::db_env_open
2957	$DB_ENV,	4259	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4261	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4262	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4263	0666;
2962		4264
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4265	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4266	};
2968		4267
2969	cf::cleanup "db_env_open(db): $@" if $@;	4268	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4269	};
2971	}	4270	}
		4271
		4272	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4273	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4274	};
		4275	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4276	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4277	};
		4278	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4279	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4280	};
2972	}	4281	}
2973		4282
2974	{	4283	{
		4284	# configure IO::AIO
		4285
2975	IO::AIO::min_parallel 8;	4286	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4287	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4288	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4289	}
2988		4290
2989	my $_log_backtrace;	4291	our $_log_backtrace;
		4292	our $_log_backtrace_last;
2990		4293
2991	sub _log_backtrace {	4294	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4295	my ($msg, @addr) = @_;
2993		4296
2994	$msg =~ s/\n//;	4297	$msg =~ s/\n$//;
2995		4298
		4299	if ($_log_backtrace_last eq $msg) {
		4300	LOG llevInfo, "[ABT] $msg\n";
		4301	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4302	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4303	} elsif ($_log_backtrace < 2) {
		4304	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4305	++$_log_backtrace;
		4306	my $perl_bt = Carp::longmess $msg;
2999	async {	4307	async {
		4308	$Coro::current->{desc} = "abt $msg";
		4309
3000	my @bt = fork_call {	4310	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4311	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4312	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4313	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4314	or die "addr2line: $!";
…		…
3012	}	4322	}
3013		4323
3014	@funcs	4324	@funcs
3015	};	4325	};
3016		4326
3017	LOG llevInfo, "[ABT] $msg\n";	4327	LOG llevInfo, "[ABT] $perl_bt\n";
		4328	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4329	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4330	--$_log_backtrace;
3020	};	4331	};
3021	} else {	4332	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4333	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4334	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4335	}
3025	}	4336	}
3026		4337
3027	# load additional modules	4338	# load additional modules
3028	use cf::pod;	4339	require "cf/$_.pm" for @EXTRA_MODULES;
		4340	cf::_connect_to_perl_2;
3029		4341
3030	END { cf::emergency_save }	4342	END { cf::emergency_save }
3031		4343
3032	1	4344	1
3033		4345

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