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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	733	=cut
401	utime undef, undef, $fh;	734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
		739	sub fork_call(&@) {
		740	my ($cb, @args) = @_;
		741
		742	# we seemingly have to make a local copy of the whole thing,
		743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
		745
		746	my @res = Coro::Util::fork_eval {
		747	cf::post_fork;
		748	&$cb
		749	} @args;
		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		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 $!;
402	}	822	};
		823	cf::cleanup "db_open(db): $@" if $@;
403		824
404	my $guard = cf::lock_acquire "write_runtime";	825	$db
		826	}
405		827
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	828	our $DB;
407	or return;
408		829
409	my $value = $cf::RUNTIME + 90 + 10;	830	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	831	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	832	}
412		833
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	834	sub db_get($$) {
414	and return;	835	my $key = "$_[0]/$_[1]";
415		836
416	# always fsync - this file is important	837	cf::error "db_get called from main context"
417	aio_fsync $fh	838	if $Coro::current == $Coro::main;
418	and return;
419		839
420	# touch it again to show we are up-to-date	840	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		841
423	close $fh	842	$! ? ()
424	or return;	843	: $data
		844	}
425		845
426	aio_rename "$runtime~", $runtime	846	sub db_put($$$) {
427	and return;	847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
428		850
429	warn "runtime file written.\n";#d#	851	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	915	}
		916
		917	db_get cache => "$id/data"
432	}	918	}
433		919
434	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
435		921
436	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.
437		923
438	=cut	924	=cut
439		925
440	sub datalog($@) {	926	sub datalog($@) {
441	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	929	}
444		930
445	=back	931	=back
446		932
447	=cut	933	=cut
448		934
449	#############################################################################	935	#############################################################################
450		936
451	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
452		938
453	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
454	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")
455	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
456		942
457	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>
458	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
459	crossfire+).	945	Deliantra).
460		946
461	=over 4	947	=over 4
462		948
463	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
464		950
…		…
508	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
509		995
510	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
512		998
513	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		1001
516	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
517		1003
518	=over 4	1004	=over 4
…		…
642		1128
643	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1131
646	} elsif (ref $type) {	1132	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
648		1134
649	} else {	1135	} else {
650	shift @arg;	1136	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
652	}	1138	}
653	}	1139	}
654	}	1140	}
655		1141
656	sub _object_attach {	1142	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
667	}	1153	}
668		1154
669	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
670	} else {	1156	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1158	}
673		1159
674	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
675	}	1161	}
676		1162
…		…
716	";	1202	";
717	die if $@;	1203	die if $@;
718	}	1204	}
719		1205
720	our $override;	1206	our $override;
721	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?
722		1208
723	sub override {	1209	sub override {
724	$override = 1;	1210	$override = 1;
725	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
726	}	1212	}
727		1213
728	sub do_invoke {	1214	sub do_invoke {
729	my $event = shift;	1215	my $event = shift;
730	my $callbacks = shift;	1216	my $callbacks = shift;
731		1217
732	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
733		1219
734	local $override;	1220	local $override;
735		1221
736	for (@$callbacks) {	1222	for (@$callbacks) {
737	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
738		1224
739	if ($@) {	1225	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1227	override;
743	}	1228	}
744		1229
745	return 1 if $override;	1230	return 1 if $override;
746	}	1231	}
747		1232
748	0	1233	0
749	}	1234	}
750		1235
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1237
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1239
755	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
756		1241
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1245
761	=back	1246	=back
762		1247
763	=cut	1248	=cut
764		1249
765	#############################################################################	1250	#############################################################################
766	# 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, $ob2
		1293	}
767		1294
768	sub reattach {	1295	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1297	my ($obj) = @_;
771		1298
		1299	# no longer needed after getting rid of delete_package?
772	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
773		1301
774	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
775		1303
776	@$registry = ();	1304	@$registry = ();
777		1305
…		…
782	for (@$attach) {	1310	for (@$attach) {
783	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
785	}	1313	}
786	} else {	1314	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1316	}
789	}	1317	}
790	}	1318	}
791		1319
792	cf::attachable->attach (	1320	cf::attachable->attach (
793	prio => -1000000,	1321	prio => -1000000,
794	on_instantiate => sub {	1322	on_instantiate => sub {
795	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
796		1324
797	$data = from_json $data;	1325	$data = decode_json $data;
798		1326
799	for (@$data) {	1327	for (@$data) {
800	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
801		1329
802	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1346	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
820		1348
821	sync_job {	1349	sync_job {
822	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
825		1355
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1363	aio_close $fh;
831		1364
832	if (@$objs) {	1365	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1374	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
840	}	1376	}
841	} else {	1377	} else {
842	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
843	}	1379	}
844		1380
845	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1385	} else {
847	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
848	}	1387	}
849	} else {	1388	} else {
850	aio_unlink $filename;	1389	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
852	}	1391	}
853	}	1392	};
854	}	1393	}
855		1394
856	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
858		1397
…		…
870	or return;	1409	or return;
871		1410
872	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
874	or return;	1413	or return;
		1414
875	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
876	}	1417	}
877		1418
		1419	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
880	return ($data, $av);	1424	($data, $av)
881	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
882		1432
883	#############################################################################	1433	#############################################################################
884	# command handling &c	1434	# command handling &c
885		1435
886	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1450	}
901		1451
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1453
904	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.
905		1459
906	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
907	called.	1461	called.
908		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
909	=cut	1474	=cut
910		1475
911	sub register_extcmd {	1476	sub register_extcmd {
912	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
913		1478
914	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
915	}	1480	}
916		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
917	cf::player->attach (	1490	cf::player->attach (
918	on_command => sub {	1491	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
920		1493
921	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
922	or return;	1495	or return;
923		1496
…		…
928	cf::override;	1501	cf::override;
929	},	1502	},
930	on_extcmd => sub {	1503	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
932		1505
933	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1507
935	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
941	} else {	1520	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1522	}
944		1523
945	cf::override;	1524	cf::override;
946	},	1525	},
947	);	1526	);
948		1527
		1528	# "readahead" all extensions
949	sub load_extension {	1529	sub cache_extensions {
950	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
951		1531
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1535	}
977	die $@;
978	}	1536	};
979		1537
980	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;
981	}	1550	}
982		1551
983	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
984	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1561	next unless -r $path;
986	eval {	1562
987	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 $active;
		1634	}
988	1	1635	}
989	} or warn "$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	}
990	}	1648	};
991	}	1649	}
992		1650
993	#############################################################################	1651	#############################################################################
994		1652
		1653	=back
		1654
995	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
996		1656
997	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
998		1658
999	=cut	1659	=cut
1000		1660
1001	package cf::player;	1661	package cf::player;
1002		1662
1003	use Coro::AIO;	1663	use Coro::AIO;
1004		1664
1005	=head3 cf::player	1665	=head3 cf::player
1006		1666
1007	=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	}
1008		1682
1009	=item cf::player::find $login	1683	=item cf::player::find $login
1010		1684
1011	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1012		1686
…		…
1031		1705
1032	sub exists($) {	1706	sub exists($) {
1033	my ($login) = @_;	1707	my ($login) = @_;
1034		1708
1035	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1037	}	1711	}
1038		1712
1039	sub find($) {	1713	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1715	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1726
1053	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1056	}	1736	}
1057	}	1737	}
1058	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1059		1752
1060	sub save($) {	1753	sub save($) {
1061	my ($pl) = @_;	1754	my ($pl) = @_;
1062		1755
1063	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1069		1762
1070	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1074	Coro::cede;	1772	cf::cede_to_tick;
1075	}	1773	}
1076		1774
1077	sub new($) {	1775	sub new($) {
1078	my ($login) = @_;	1776	my ($login) = @_;
1079		1777
…		…
1085	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1086		1784
1087	$self	1785	$self
1088	}	1786	}
1089		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
1090	=item $pl->quit_character	1798	=item $pl->quit_character
1091		1799
1092	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1094		1802
…		…
1098	my ($pl) = @_;	1806	my ($pl) = @_;
1099		1807
1100	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1101		1809
1102	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1103	$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
1104		1812
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1108	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1109		1821
1110	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1147	or return [];	1859	or return [];
1148		1860
1149	my @logins;	1861	my @logins;
1150		1862
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1155		1873
1156	utf8::decode $login;	1874	utf8::decode $login;
1157	push @logins, $login;	1875	push @logins, $login;
1158	}	1876	}
1159		1877
1160	\@logins	1878	\@logins
1161	}	1879	}
1162		1880
1163	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1164		1884
1165	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1166	player. May block.	1886	player. May block.
1167		1887
1168	=cut	1888	=cut
…		…
1186	}	1906	}
1187		1907
1188	\@paths	1908	\@paths
1189	}	1909	}
1190		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1191	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1192		1916
1193	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1194		1918
1195	=cut	1919	=cut
1196		1920
1197	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1199		1923
1200	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1925	}
1204		1926
1205	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1206		1928
1207	Sends an ext event to the client.	1929	Sends an ext event to the client.
1208		1930
1209	=cut	1931	=cut
1210		1932
1211	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1213		1935
1214	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1215	}	1937	}
1216		1938
1217	=head3 cf::region	1939	=head3 cf::region
1218		1940
1219	=over 4	1941	=over 4
…		…
1222		1944
1223	package cf::region;	1945	package cf::region;
1224		1946
1225	=item cf::region::find_by_path $path	1947	=item cf::region::find_by_path $path
1226		1948
1227	Tries to decuce the probable region for a map knowing only its path.	1949	Tries to decuce the likely region for a map knowing only its path.
1228		1950
1229	=cut	1951	=cut
1230		1952
1231	sub find_by_path($) {	1953	sub find_by_path($) {
1232	my ($path) = @_;	1954	my ($path) = @_;
1233		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1234	my ($match, $specificity);	1958	my ($match, $specificity);
1235		1959
1236	for my $region (list) {	1960	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1240	}	1964	}
1241	}	1965	}
1242		1966
…		…
1263	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1265		1989
1266	sub generate_random_map {	1990	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1269	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1996	}
1283		1997
1284	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1285		1999
1286	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
…		…
1291		2005
1292	sub register {	2006	sub register {
1293	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	2008	my $pkg = caller;
1295		2009
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		2011
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	2013	}
1301		2014
1302	# also paths starting with '/'	2015	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		2017
1305	sub thawer_merge {	2018	sub thawer_merge {
1306	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1307		2020
1308	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1309	local $self->{path};	2022	local $self->{path};
1310	local $self->{load_path};	2023	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		2024
1314	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1315	}	2026	}
1316		2027
1317	sub normalise {	2028	sub normalise {
1318	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1319		2030
1320	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1321		2032
1322	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1323		2034
1324	# map plan:	2035	# map plan:
1325	#	2036	#
…		…
1340	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	2052	$path = "$base/$path";
1342	}	2053	}
1343		2054
1344	for ($path) {	2055	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1348	}	2058	}
1349		2059
1350	$path	2060	$path
…		…
1364	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1365	return $self;	2075	return $self;
1366	}	2076	}
1367	}	2077	}
1368		2078
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2080	()
1371	}	2081	}
1372		2082
		2083	# may re-bless or do other evil things
1373	sub init {	2084	sub init {
1374	my ($self) = @_;	2085	my ($self) = @_;
1375		2086
1376	$self	2087	$self
1377	}	2088	}
…		…
1396		2107
1397	# the temporary/swap location	2108	# the temporary/swap location
1398	sub save_path {	2109	sub save_path {
1399	my ($self) = @_;	2110	my ($self) = @_;
1400		2111
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1403	}	2114	}
1404		2115
1405	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1406	sub uniq_path {	2117	sub uniq_path {
1407	my ($self) = @_;	2118	my ($self) = @_;
1408		2119
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1411	}	2122	}
1412		2123
1413	# and all this just because we cannot iterate over	2124	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2125	my ($self) = @_;
1417		2126
1418	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1420	}	2130	}
1421		2131
1422	sub unlink_save {	2132	sub unlink_save {
1423	my ($self) = @_;	2133	my ($self) = @_;
1424		2134
…		…
1429		2139
1430	sub load_header_from($) {	2140	sub load_header_from($) {
1431	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1432		2142
1433	utf8::encode $path;	2143	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2145	or return;
1439		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1440	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1441		2154
1442	1	2155	1
1443	}	2156	}
1444		2157
		2158	# used to laod the header of an original map
1445	sub load_header_orig {	2159	sub load_header_orig {
1446	my ($self) = @_;	2160	my ($self) = @_;
1447		2161
1448	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1449	}	2163	}
1450		2164
		2165	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2166	sub load_header_temp {
1452	my ($self) = @_;	2167	my ($self) = @_;
1453		2168
1454	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1455	}	2170	}
1456		2171
		2172	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2173	sub prepare_temp {
1458	my ($self) = @_;	2174	my ($self) = @_;
1459		2175
1460	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1462	# safety	2178	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2181	}
1466		2182
		2183	# called after loading the header from an original map
1467	sub prepare_orig {	2184	sub prepare_orig {
1468	my ($self) = @_;	2185	my ($self) = @_;
1469		2186
1470	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2199	$self->load_header_orig
1483	or return;	2200	or return;
1484	$self->prepare_orig;	2201	$self->prepare_orig;
1485	}	2202	}
1486		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
1487	$self->default_region (cf::region::find_by_path $self->{path})	2207	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2208	unless $self->default_region;
1489		2209
1490	1	2210	1
1491	}	2211	}
1492		2212
1493	sub find;	2213	sub find;
1494	sub find {	2214	sub find {
1495	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1496		2216
		2217	cf::cede_to_tick;
		2218
1497	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1498		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2223
1501	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1504	or return;	2226	or return;
1505		2227
1506	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1507		2229
1508	$map->load_header	2230	$map->load_header
1509	or return;	2231	or return;
1510		2232
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1514	$map->reset;	2238	$map->reset;
1515	undef $guard;
1516	return find $path;	2239	return find $path;
1517	}	2240	}
1518		2241
1519	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1520	}	2243	}
1521	}	2244	}
1522		2245
1523	sub pre_load { }	2246	sub pre_load { }
1524	sub post_load { }	2247	#sub post_load { } # XS
1525		2248
1526	sub load {	2249	sub load {
1527	my ($self) = @_;	2250	my ($self) = @_;
1528		2251
1529	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1530		2253
1531	my $path = $self->{path};	2254	my $path = $self->{path};
1532		2255
1533	{	2256	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1535		2258
		2259	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2261
1540	$self->alloc;	2262	$self->alloc;
1541		2263
1542	$self->pre_load;	2264	$self->pre_load;
1543	Coro::cede;	2265	cf::cede_to_tick;
1544		2266
1545	$self->_load_objects ($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)
1546	or return;	2271	or return;
1547		2272
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1549	if delete $self->{load_original};	2274	if delete $self->{load_original};
1550		2275
1551	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2277	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2280	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1556	}	2285	}
1557	}
1558		2286
1559	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;
1560	# now do the right thing for maps	2296	# now do the right thing for maps
1561	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2299	unless $self->difficulty;
1564	Coro::cede;	2300	cf::cede_to_tick;
1565		2301
1566	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2303	$self->decay_objects;
1568	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1569	$self->update_buttons;	2305	$self->update_buttons;
1570	Coro::cede;	2306	cf::cede_to_tick;
1571	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2308	}
1575		2309
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1577	}	2312	}
1578		2313
1579	$self->post_load;	2314	$self->post_load;
1580	}
1581		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2322	sub customise_for {
1583	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1584		2324
1585	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2326	if $self->per_player;
1587		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1588	$self	2331	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2332	}
1614		2333
1615	sub find_sync {	2334	sub find_sync {
1616	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1617		2336
1618	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, $origin
1619	}	2342	}
1620		2343
1621	sub do_load_sync {	2344	sub do_load_sync {
1622	my ($map) = @_;	2345	my ($map) = @_;
1623		2346
1624	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;
1625	}	2352	}
1626		2353
1627	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1629		2356
1630	sub find_async {	2357	sub find_async {
1631	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1632		2359
1633	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1634		2361
1635	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1637	}	2364	}
1638		2365
1639	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1640	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1641	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2373	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2374	$map->load if $v;
		2375	}
1646		2376
1647	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1648	}	2378	}
1649	}	2379	}
1650	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1651	};	2381	};
1652	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1653		2383
1654	()	2384	()
1655	}	2385	}
1656		2386
		2387	# common code, used by both ->save and ->swapout
1657	sub save {	2388	sub _save {
1658	my ($self) = @_;	2389	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2390
1662	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1663		2392
1664	return unless $self->dirty;	2393	return unless $self->dirty;
1665		2394
…		…
1671	return if $self->{deny_save};	2400	return if $self->{deny_save};
1672		2401
1673	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1674		2403
1675	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1677	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1678		2410
1679	if ($uniq) {	2411	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2414	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2416	}
1685	}	2417	}
1686		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1687	sub swap_out {	2427	sub swap_out {
1688	my ($self) = @_;	2428	my ($self) = @_;
1689		2429
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1695	return if $self->players;	2434	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		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
1699	$self->clear;	2445	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2446	}
1702		2447
1703	sub reset_at {	2448	sub reset_at {
1704	my ($self) = @_;	2449	my ($self) = @_;
1705		2450
1706	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1709		2453
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2456
…		…
1723	my ($self) = @_;	2467	my ($self) = @_;
1724		2468
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2470
1727	return if $self->players;	2471	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2472
1730	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1731		2474
1732	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1733		2476
1734	# need to save uniques path	2477	# need to save uniques path
1735	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2480
…		…
1739	if $uniq;	2482	if $uniq;
1740	}	2483	}
1741		2484
1742	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1743		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2489	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2490
1748	$self->unlink_save;	2491	$self->unlink_save;
1749	$self->destroy;	2492	$self->destroy;
1750	}	2493	}
1751		2494
1752	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1753		2496
1754	sub nuke {	2497	sub nuke {
1755	my ($self) = @_;	2498	my ($self) = @_;
1756		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1757	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1758		2504
1759	$self->unlink_save;	2505	$self->unlink_save;
1760		2506
1761	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2512
1767	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1768		2515
1769	$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	]
1770	}	2553	}
1771		2554
1772	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1773		2556
1774	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2558	instantiated unique items. May block.
1776		2559
1777	=cut	2560	=cut
1778		2561
1779	sub unique_maps() {	2562	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2563	[
1781	or return;	2564	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2565	utf8::decode $_;
1787	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2568	? ()
1790	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2571	]
1792
1793	\@paths
1794	}	2572	}
1795		2573
1796	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	}
1797		2605
1798	=back	2606	=back
1799		2607
1800	=head3 cf::object	2608	=head3 cf::object
1801		2609
…		…
1805		2613
1806	=over 4	2614	=over 4
1807		2615
1808	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1809		2617
1810	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.
1811		2620
1812	=cut	2621	=cut
1813		2622
1814	sub inv_recursive_;	2623	sub inv_recursive_;
1815	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1818		2627
1819	sub inv_recursive {	2628	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1821	}	2630	}
1822		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
1823	package cf;	2660	package cf;
1824		2661
1825	=back	2662	=back
1826		2663
1827	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1836		2673
1837	=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	};
1838		2689
1839	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2691	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1844		2695
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2697
1847	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1852	}	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 (@_);
1853	}	2723	}
1854		2724
1855	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1856		2726
1857	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1870		2740
1871	=item $player_object->enter_link	2741	=item $player_object->enter_link
1872		2742
1873	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}>).
1874		2744
1875	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.
1876	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.
1877		2749
1878	Will never block.	2750	Will never block.
1879		2751
1880	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1881		2753
…		…
1901	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2774	my ($self) = @_;
1903		2775
1904	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1905		2777
		2778	++$self->{_link_recursion};
		2779
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2781
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1910		2784
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2786	}
1913		2787
1914	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1916		2792
1917	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1918		2794
1919	unless ($map) {	2795	unless ($map) {
1920	# restore original map position	2796	# restore original map position
…		…
1931	($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
1947		2821	delete $self->{_link_recursion};
1948	cf::player->attach (	2822	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2823	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2824	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2825
1962	# try to abort aborted map switching on player login :)	2826	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2827
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2829
1982	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
1983	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
1984	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
1985	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.
1986		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 >>.
		2838
1987	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1988		2842
1989	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
1991		2845
1992	#d# #TODO#	2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
1993	if ($check && !ref $check) {	2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
1994	warn Carp::longmess "goto called with non-ref check argument";#d#	2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
1995	undef $check;	2849	($path, $x, $y) = @$EMERGENCY_POSITION;
1996	}	2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1997		2854
1998	$self->enter_link;	2855	$self->enter_link;
1999		2856
2000	(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
2001	my $map = eval {	2879	my $map = eval {
2002	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2003		2881
2004	if ($map) {	2882	if ($map) {
2005	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2006	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2007	} else {	2885	} else {
2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009	}	2887	}
2010		2888
2011	$map	2889	$map
2012	};	2890	};
2013		2891
2014	if ($@) {	2892	if ($@) {
2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016	LOG llevError | logBacktrace, Carp::longmess $@;	2894	LOG llevError | logBacktrace, Carp::longmess $@;
2017	}	2895	}
2018		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
2019	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
2020	})->prio (1);	2903	})->prio (1);
2021	}	2904	}
2022		2905
2023	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2024		2907
…		…
2044	}	2927	}
2045		2928
2046	sub prepare_random_map {	2929	sub prepare_random_map {
2047	my ($exit) = @_;	2930	my ($exit) = @_;
2048		2931
2049	my $guard = cf::lock_acquire "exit_prepare:$exit";
2050
2051	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2052	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2053	# that depends on the exit object	2934	# that depends on the exit object
2054		2935
2055	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2057	if ($exit->map) {	2938	if ($exit->map) {
2058	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2059	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2060	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2061	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2062	}	2945	}
2063		2946
2064	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2065		2948
2066	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2067	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2068	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2069		2952
2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2072	undef $fh;	2955	undef $fh;
2073	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2074		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2075	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2076	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2077	}	2964	}
2078	}	2965	}
2079		2966
2080	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2081	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2082		2969
2083	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2084		2971
2085	if ($exit->slaying eq "/!") {
2086	#TODO: this should de-fi-ni-te-ly not be a sync-job
2087	# the problem is that $exit might not survive long enough
2088	# so it needs to be done right now, right here
2089	cf::sync_job { prepare_random_map $exit };
2090	}
2091
2092	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2093	my $hp = $exit->stats->hp;
2094	my $sp = $exit->stats->sp;
2095
2096	$self->enter_link;	2972	$self->enter_link;
2097		2973
2098	(async {	2974	(async {
2099	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2100	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
2101	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2102		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
2103	1;	3013	1
2104	}) {	3014	}) {
2105	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2106	. "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. "
2107	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2108	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2109		3019
2110	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2111	$self->leave_link;	3021	$self->leave_link;
2112	}	3022	}
2113	})->prio (1);	3023	})->prio (1);
2114	}	3024	}
2115		3025
…		…
2129		3039
2130	utf8::encode $text;	3040	utf8::encode $text;
2131	$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);
2132	}	3042	}
2133		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
2134	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2135		3232
2136	Sends an exti event to the client.	3233	Sends an ext event to the client.
2137		3234
2138	=cut	3235	=cut
2139		3236
2140	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2141	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2142		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2143	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2144	$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]));
2145	}	3260	}
2146		3261
2147	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2148		3263
2149	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
2150	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>,
2151	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>.
2152		3267
2153	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
2154	reliable at some point in the future.	3269	become reliable at some point in the future.
2155		3270
2156	=cut	3271	=cut
2157		3272
2158	sub cf::client::query {	3273	sub cf::client::query {
2159	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
2167	utf8::encode $text;	3282	utf8::encode $text;
2168	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169		3284
2170	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2171	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2172	}	3289	}
2173		3290
2174	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	},
2175	on_reply => sub {	3297	on_reply => sub {
2176	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2177		3299
2178	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2179	# get handled first	3301	# get handled first
…		…
2191	} else {	3313	} else {
2192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193	}	3315	}
2194	}	3316	}
2195	},	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	},
2196	);	3341	);
2197		3342
2198	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2199		3344
2200	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2216		3361
2217	$coro	3362	$coro
2218	}	3363	}
2219		3364
2220	cf::client->attach (	3365	cf::client->attach (
2221	on_destroy => sub {	3366	on_client_destroy => sub {
2222	my ($ns) = @_;	3367	my ($ns) = @_;
2223		3368
2224	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2225	},	3370	},
2226	);	3371	);
…		…
2241	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2242	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2243		3388
2244	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2245		3390
2246	$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	));
2247		3396
2248	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2249		3398
2250	=pod	3399	=pod
2251		3400
2252	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2253		3402
2254	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
2255	cf::object::player player	3408	cf::object::player
2256	cf::player peaceful	3409	player
2257	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2258		3416
2259	=cut	3417	=cut
2260		3418
2261	for (	3419	for (
2262	["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)],
2263	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2264	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2265	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2266	) {	3426	) {
2267	no strict 'refs';
2268	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2270	for @funs;	3429	for @funs;
2271	}	3430	}
2272		3431
…		…
2287		3446
2288	my $qcode = $code;	3447	my $qcode = $code;
2289	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2290	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2291		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2292	local $_;	3454	local $_;
2293	local @safe::cf::_safe_eval_args = values %vars;
2294		3455
2295	my $eval =	3456	my $eval =
2296	"do {\n"	3457	"do {\n"
2297	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2298	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2299	. $code	3460	. $code
2300	. "\n}"	3461	. "\n}"
2301	;	3462	;
2302		3463
		3464	if ($CFG{safe_eval}) {
2303	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2304	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2305	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	}
2306		3473
2307	if ($@) {	3474	if ($@) {
2308	warn "$@";	3475	warn "$@",
2309	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2310	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2311	}	3478	}
2312		3479
2313	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2314	}	3481	}
2315		3482
…		…
2329	=cut	3496	=cut
2330		3497
2331	sub register_script_function {	3498	sub register_script_function {
2332	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2333		3500
2334	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2335	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2336	}	3503	}
2337		3504
2338	=back	3505	=back
2339		3506
2340	=cut	3507	=cut
2341
2342	#############################################################################
2343
2344	=head2 EXTENSION DATABASE SUPPORT
2345
2346	Crossfire maintains a very simple database for extension use. It can
2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348	convert to/from binary).
2349
2350	The parameter C<$family> should best start with the name of the extension
2351	using it, it should be unique.
2352
2353	=over 4
2354
2355	=item $value = cf::db_get $family => $key
2356
2357	Returns a single value from the database.
2358
2359	=item cf::db_put $family => $key => $value
2360
2361	Stores the given C<$value> in the family.
2362
2363	=cut
2364
2365	our $DB;
2366
2367	sub db_init {
2368	unless ($DB) {
2369	$DB = BDB::db_create $DB_ENV;
2370
2371	cf::sync_job {
2372	eval {
2373	$DB->set_flags (BDB::CHKSUM);
2374
2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377	cf::cleanup "db_open(db): $!" if $!;
2378	};
2379	cf::cleanup "db_open(db): $@" if $@;
2380	};
2381	}
2382	}
2383
2384	sub db_get($$) {
2385	my $key = "$_[0]/$_[1]";
2386
2387	cf::sync_job {
2388	BDB::db_get $DB, undef, $key, my $data;
2389
2390	$! ? ()
2391	: $data
2392	}
2393	}
2394
2395	sub db_put($$$) {
2396	BDB::dbreq_pri 4;
2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398	}
2399
2400	=item cf::cache $id => [$paths...], $processversion => $process
2401
2402	Generic caching function that returns the value of the resource $id,
2403	caching and regenerating as required.
2404
2405	This function can block.
2406
2407	=cut
2408
2409	sub cache {
2410	my ($id, $src, $processversion, $process) = @_;
2411
2412	my $meta =
2413	join "\x00",
2414	$processversion,
2415	map {
2416	aio_stat $_
2417	and Carp::croak "$_: $!";
2418
2419	($_, (stat _)[7,9])
2420	} @$src;
2421
2422	my $dbmeta = db_get cache => "$id/meta";
2423	if ($dbmeta ne $meta) {
2424	# changed, we may need to process
2425
2426	my @data;
2427	my $md5;
2428
2429	for (0 .. $#$src) {
2430	0 <= aio_load $src->[$_], $data[$_]
2431	or Carp::croak "$src->[$_]: $!";
2432	}
2433
2434	# if processing is expensive, check
2435	# checksum first
2436	if (1) {
2437	$md5 =
2438	join "\x00",
2439	$processversion,
2440	map {
2441	Coro::cede;
2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
2443	} 0.. $#$src;
2444
2445
2446	my $dbmd5 = db_get cache => "$id/md5";
2447	if ($dbmd5 eq $md5) {
2448	db_put cache => "$id/meta", $meta;
2449
2450	return db_get cache => "$id/data";
2451	}
2452	}
2453
2454	my $t1 = Time::HiRes::time;
2455	my $data = $process->(\@data);
2456	my $t2 = Time::HiRes::time;
2457
2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460	db_put cache => "$id/data", $data;
2461	db_put cache => "$id/md5" , $md5;
2462	db_put cache => "$id/meta", $meta;
2463
2464	return $data;
2465	}
2466
2467	db_get cache => "$id/data"
2468	}
2469
2470	=item fork_call { }, $args
2471
2472	Executes the given code block with the given arguments in a seperate
2473	process, returning the results. Everything must be serialisable with
2474	Coro::Storable. May, of course, block. Note that the executed sub may
2475	never block itself or use any form of Event handling.
2476
2477	=cut
2478
2479	sub fork_call(&@) {
2480	my ($cb, @args) = @_;
2481
2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483	# or die "socketpair: $!";
2484	pipe my $fh1, my $fh2
2485	or die "pipe: $!";
2486
2487	if (my $pid = fork) {
2488	close $fh2;
2489
2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491	$res = Coro::Storable::thaw $res;
2492
2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495	die $$res unless "ARRAY" eq ref $res;
2496
2497	return wantarray ? @$res : $res->[-1];
2498	} else {
2499	reset_signals;
2500	local $SIG{__WARN__};
2501	local $SIG{__DIE__};
2502	eval {
2503	close $fh1;
2504
2505	my @res = eval { $cb->(@args) };
2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507	};
2508
2509	warn $@ if $@;
2510	_exit 0;
2511	}
2512	}
2513
2514
2515		3508
2516	#############################################################################	3509	#############################################################################
2517	# the server's init and main functions	3510	# the server's init and main functions
2518		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
		3514	# internal api, not fianlised
		3515	sub add_face {
		3516	my ($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	$idx
		3534	}
		3535
2519	sub load_facedata($) {	3536	sub load_facedata($) {
2520	my ($path) = @_;	3537	my ($path) = @_;
2521		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
2522	warn "loading facedata from $path\n";	3545	trace "loading facedata from $path\n";
2523		3546
2524	my $facedata;	3547	my $facedata = decode_storable load_file $path;
2525	0 < aio_load $path, $facedata
2526	or die "$path: $!";
2527
2528	$facedata = Coro::Storable::thaw $facedata;
2529		3548
2530	$facedata->{version} == 2	3549	$facedata->{version} == 2
2531	or cf::cleanup "$path: version mismatch, cannot proceed.";	3550	or cf::cleanup "$path: version mismatch, cannot proceed.";
2532		3551
		3552	cf::cede_to_tick;
		3553
2533	{	3554	{
2534	my $faces = $facedata->{faceinfo};	3555	my $faces = $facedata->{faceinfo};
2535		3556
2536	while (my ($face, $info) = each %$faces) {	3557	for my $face (sort keys %$faces) {
		3558	my $info = $faces->{$face};
2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3559	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3560
2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3561	cf::face::set_visibility $idx, $info->{visibility};
		3562	cf::face::set_magicmap $idx, $info->{magicmap};
2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3563	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3564	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2541	Coro::cede;	3565	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3566	$FACEHASH{$info->{hash64}} = $idx;#d#
		3567
		3568	cf::cede_to_tick;
2542	}	3569	}
2543		3570
2544	while (my ($face, $info) = each %$faces) {	3571	while (my ($face, $info) = each %$faces) {
2545	next unless $info->{smooth};	3572	next unless $info->{smooth};
		3573
2546	my $idx = cf::face::find $face	3574	my $idx = cf::face::find $face
2547	or next;	3575	or next;
		3576
2548	if (my $smooth = cf::face::find $info->{smooth}) {	3577	if (my $smooth = cf::face::find $info->{smooth}) {
		3578	cf::face::set_smooth $idx, $smooth;
2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3579	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550	} else {	3580	} else {
2551	warn "smooth face '$info->{smooth}' not found for face '$face'";	3581	error "smooth face '$info->{smooth}' not found for face '$face'";
2552	}	3582	}
2553	Coro::cede;	3583
		3584	cf::cede_to_tick;
2554	}	3585	}
2555	}	3586	}
2556		3587
2557	{	3588	{
2558	my $anims = $facedata->{animinfo};	3589	my $anims = $facedata->{animinfo};
2559		3590
2560	while (my ($anim, $info) = each %$anims) {	3591	while (my ($anim, $info) = each %$anims) {
2561	cf::anim::set $anim, $info->{frames}, $info->{facings};	3592	cf::anim::set $anim, $info->{frames}, $info->{facings};
2562	Coro::cede;	3593	cf::cede_to_tick;
2563	}	3594	}
2564		3595
2565	cf::anim::invalidate_all; # d'oh	3596	cf::anim::invalidate_all; # d'oh
2566	}	3597	}
2567		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} = $info; # unused
		3613	}
		3614
		3615	cf::cede_to_tick;
		3616	}
		3617	}
		3618
		3619	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3620
2568	1	3621	1
2569	}	3622	}
2570		3623
		3624	register_exticmd fx_want => sub {
		3625	my ($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 $_, 1 .. cf::settings->max_level]
		3648	);
		3649	}
		3650
		3651	sub reload_materials {
		3652	_reload_materials;
		3653	}
		3654
2571	sub reload_regions {	3655	sub reload_regions {
		3656	# HACK to clear player env face cache, we need some signal framework
		3657	# for this (global event?)
		3658	%ext::player_env::MUSIC_FACE_CACHE = ();
		3659
2572	load_resource_file "$MAPDIR/regions"	3660	load_resource_file "$MAPDIR/regions"
2573	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 $_->{match};
		3666	}
2574	}	3667	}
2575		3668
2576	sub reload_facedata {	3669	sub reload_facedata {
2577	load_facedata "$DATADIR/facedata"	3670	load_facedata "$DATADIR/facedata"
2578	or die "unable to load facedata\n";	3671	or die "unable to load facedata\n";
2579	}	3672	}
2580		3673
2581	sub reload_archetypes {	3674	sub reload_archetypes {
2582	load_resource_file "$DATADIR/archetypes"	3675	load_resource_file "$DATADIR/archetypes"
2583	or die "unable to load archetypes\n";	3676	or die "unable to load archetypes\n";
		3677
		3678	add_face "res/skill_info" => FT_RSRC,
		3679	JSON::XS->new->utf8->canonical->encode (
		3680	[map [cf::arch::skillvec ($_)->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 ($_)], 0 .. NRSPELLPATHS - 1]
		3685	);
2584	}	3686	}
2585		3687
2586	sub reload_treasures {	3688	sub reload_treasures {
2587	load_resource_file "$DATADIR/treasures"	3689	load_resource_file "$DATADIR/treasures"
2588	or die "unable to load treasurelists\n";	3690	or die "unable to load treasurelists\n";
2589	}	3691	}
2590		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
2591	sub reload_resources {	3713	sub reload_resources {
2592	warn "reloading resource files...\n";	3714	trace "reloading resource files...\n";
2593		3715
		3716	reload_materials;
		3717	reload_facedata;
		3718	reload_exp_table;
		3719	reload_sound;
		3720	reload_archetypes;
2594	reload_regions;	3721	reload_regions;
2595	reload_facedata;
2596	reload_archetypes;
2597	reload_treasures;	3722	reload_treasures;
2598		3723
2599	warn "finished reloading resource files\n";	3724	trace "finished reloading resource files\n";
2600	}	3725	}
2601		3726
2602	sub init {	3727	sub reload_config {
2603	reload_resources;	3728	trace "reloading config file...\n";
2604	}
2605		3729
2606	sub cfg_load {	3730	my $config = load_file "$CONFDIR/config";
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3731	utf8::decode $config;
2608	or return;	3732	*CFG = decode_yaml $config;
2609		3733
2610	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;
2612
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3734	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3735
2615	$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};
2616	$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};
2617		3738
2618	if (exists $CFG{mlockall}) {	3739	if (exists $CFG{mlockall}) {
…		…
2622	};	3743	};
2623	warn $@ if $@;	3744	warn $@ if $@;
2624	}	3745	}
2625	}	3746	}
2626		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
2627	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
2628	# we must not ever block the main coroutine	3786	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3787	$Coro::idle = sub {
2630	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#
2631	(async {	3789	(async {
2632	Event::one_event;	3790	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3791	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3792	})->prio (Coro::PRIO_MAX);
2634	};	3793	};
2635		3794
2636	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;
2637	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
2638	load_extensions;	3818	load_extensions;
2639		3819
2640	$TICK_WATCHER->start;	3820	utime time, time, $RUNTIMEFILE;
2641	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;
2642	}	3837	}
2643		3838
2644	#############################################################################	3839	#############################################################################
2645	# initialisation and cleanup	3840	# initialisation and cleanup
2646		3841
2647	# install some emergency cleanup handlers	3842	# install some emergency cleanup handlers
2648	BEGIN {	3843	BEGIN {
		3844	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3845	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3846	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3847	cf::cleanup "SIG$signal";
2657	},
2658	);	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
2659	}	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 };
2660	}	3938	}
2661		3939
2662	sub emergency_save() {	3940	sub emergency_save() {
2663	my $freeze_guard = cf::freeze_mainloop;	3941	my $freeze_guard = cf::freeze_mainloop;
2664		3942
2665	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;
2666		3949
2667	cf::sync_job {	3950	cf::sync_job {
		3951	cf::write_runtime_sync; # external watchdog should not bark
		3952
2668	# use a peculiar iteration method to avoid tripping on perl	3953	# use a peculiar iteration method to avoid tripping on perl
2669	# refcount bugs in for. also avoids problems with players	3954	# refcount bugs in for. also avoids problems with players
2670	# and maps saved/destroyed asynchronously.	3955	# and maps saved/destroyed asynchronously.
2671	warn "begin emergency player save\n";	3956	info "emergency_perl_save: begin player save\n";
2672	for my $login (keys %cf::PLAYER) {	3957	for my $login (keys %cf::PLAYER) {
2673	my $pl = $cf::PLAYER{$login} or next;	3958	my $pl = $cf::PLAYER{$login} or next;
2674	$pl->valid or next;	3959	$pl->valid or next;
		3960	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675	$pl->save;	3961	$pl->save;
2676	}	3962	}
2677	warn "end emergency player save\n";	3963	info "emergency_perl_save: end player save\n";
2678		3964
2679	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";
2680	for my $path (keys %cf::MAP) {	3968	for my $path (keys %cf::MAP) {
2681	my $map = $cf::MAP{$path} or next;	3969	my $map = $cf::MAP{$path} or next;
2682	$map->valid or next;	3970	$map->valid or next;
2683	$map->save;	3971	$map->save;
2684	}	3972	}
2685	warn "end emergency map save\n";	3973	info "emergency_perl_save: end map save\n";
2686		3974
2687	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";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3978	BDB::db_env_txn_checkpoint $DB_ENV;
2689	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 $DB_ENV;
		3989
		3990	info "emergency_perl_save: starting sync\n";
		3991	IO::AIO::aio_sync sub {
		3992	info "emergency_perl_save: finished sync\n";
		3993	};
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
		3996
		3997	trace "emergency_perl_save: flushing outstanding aio requests";
		3998	while (IO::AIO::nreqs || BDB::nreqs) {
		3999	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4000	}
		4001
		4002	cf::write_runtime_sync; # external watchdog should not bark
2690	};	4003	};
2691		4004
2692	warn "leave emergency perl save\n";	4005	info "emergency_perl_save: leave\n";
2693	}	4006	}
2694		4007
2695	sub post_cleanup {	4008	sub post_cleanup {
2696	my ($make_core) = @_;	4009	my ($make_core) = @_;
2697		4010
		4011	IO::AIO::flush;
		4012
2698	warn Carp::longmess "post_cleanup backtrace"	4013	error Carp::longmess "post_cleanup backtrace"
2699	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	}
2700	}	4043	}
2701		4044
2702	sub do_reload_perl() {	4045	sub do_reload_perl() {
2703	# can/must only be called in main	4046	# can/must only be called in main
2704	if ($Coro::current != $Coro::main) {	4047	unless (in_main) {
2705	warn "can only reload from main coroutine";	4048	error "can only reload from main coroutine";
2706	return;	4049	return;
2707	}	4050	}
2708		4051
2709	warn "reloading...";	4052	return if $RELOAD++;
2710		4053
2711	warn "entering sync_job";	4054	my $t1 = AE::time;
2712		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
2713	cf::sync_job {	4062	cf::sync_job {
2714	cf::write_runtime; # external watchdog should not bark
2715	cf::emergency_save;	4063	#cf::emergency_save;
2716	cf::write_runtime; # external watchdog should not bark
2717		4064
2718	warn "syncing database to disk";
2719	BDB::db_env_txn_checkpoint $DB_ENV;
2720
2721	# if anything goes wrong in here, we should simply crash as we already saved
2722
2723	warn "cancelling all WF_AUTOCANCEL watchers";
2724	for (Event::all_watchers) {
2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2726	}
2727
2728	warn "flushing outstanding aio requests";
2729	for (;;) {
2730	BDB::flush;
2731	IO::AIO::flush;
2732	Coro::cede;
2733	last unless IO::AIO::nreqs || BDB::nreqs;
2734	warn "iterate...";
2735	}
2736
2737	++$RELOAD;
2738
2739	warn "cancelling all extension coros";	4065	trace "perl_reload: cancelling all extension coros";
2740	$_->cancel for values %EXT_CORO;	4066	$_->cancel for values %EXT_CORO;
2741	%EXT_CORO = ();	4067	%EXT_CORO = ();
2742		4068
2743	warn "removing commands";	4069	trace "perl_reload: removing commands";
2744	%COMMAND = ();	4070	%COMMAND = ();
2745		4071
2746	warn "removing ext commands";	4072	trace "perl_reload: removing ext/exti commands";
2747	%EXTCMD = ();	4073	%EXTCMD = ();
		4074	%EXTICMD = ();
2748		4075
2749	warn "unloading/nuking all extensions";	4076	trace "perl_reload: unloading/nuking all extensions";
2750	for my $pkg (@EXTS) {	4077	for my $pkg (@EXTS) {
2751	warn "... unloading $pkg";	4078	trace "... unloading $pkg";
2752		4079
2753	if (my $cb = $pkg->can ("unload")) {	4080	if (my $cb = $pkg->can ("unload")) {
2754	eval {	4081	eval {
2755	$cb->($pkg);	4082	$cb->($pkg);
2756	1	4083	1
2757	} 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;
2758	}	4089	}
2759		4090
2760	warn "... nuking $pkg";
2761	Symbol::delete_package $pkg;
2762	}
2763
2764	warn "unloading all perl modules loaded from $LIBDIR";	4091	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2765	while (my ($k, $v) = each %INC) {	4092	while (my ($k, $v) = each %INC) {
2766	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2767		4094
2768	warn "... unloading $k";	4095	trace "... unloading $k";
2769	delete $INC{$k};	4096	delete $INC{$k};
2770		4097
2771	$k =~ s/\.pm$//;	4098	$k =~ s/\.pm$//;
2772	$k =~ s/\//::/g;	4099	$k =~ s/\//::/g;
2773		4100
2774	if (my $cb = $k->can ("unload_module")) {	4101	if (my $cb = $k->can ("unload_module")) {
2775	$cb->();	4102	$cb->();
		4103	}
		4104
		4105	clear_package $k;
2776	}	4106	}
2777		4107
2778	Symbol::delete_package $k;
2779	}
2780
2781	warn "getting rid of safe::, as good as possible";	4108	trace "perl_reload: getting rid of safe::, as good as possible";
2782	Symbol::delete_package "safe::$_"	4109	clear_package "safe::$_"
2783	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);
2784		4111
2785	warn "unloading cf.pm \"a bit\"";	4112	trace "perl_reload: unloading cf.pm \"a bit\"";
2786	delete $INC{"cf.pm"};	4113	delete $INC{"cf.pm"};
2787	delete $INC{"cf/pod.pm"};	4114	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2788		4115
2789	# don't, removes xs symbols, too,	4116	# don't, removes xs symbols, too,
2790	# and global variables created in xs	4117	# and global variables created in xs
2791	#Symbol::delete_package __PACKAGE__;	4118	#clear_package __PACKAGE__;
2792		4119
2793	warn "unload completed, starting to reload now";	4120	info "perl_reload: unload completed, starting to reload now";
2794		4121
2795	warn "reloading cf.pm";	4122	trace "perl_reload: reloading cf.pm";
2796	require cf;	4123	require cf;
2797	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4124	cf::_connect_to_perl_1;
2798		4125
2799	warn "loading config and database again";	4126	trace "perl_reload: loading config and database again";
2800	cf::cfg_load;	4127	cf::reload_config;
2801		4128
2802	warn "loading extensions";	4129	trace "perl_reload: loading extensions";
2803	cf::load_extensions;	4130	cf::load_extensions;
2804		4131
		4132	if ($REATTACH_ON_RELOAD) {
2805	warn "reattaching attachments to objects/players";	4133	trace "perl_reload: reattaching attachments to objects/players";
2806	_global_reattach; # objects, sockets	4134	_global_reattach; # objects, sockets
2807	warn "reattaching attachments to maps";	4135	trace "perl_reload: reattaching attachments to maps";
2808	reattach $_ for values %MAP;	4136	reattach $_ for values %MAP;
2809	warn "reattaching attachments to players";	4137	trace "perl_reload: reattaching attachments to players";
2810	reattach $_ for values %PLAYER;	4138	reattach $_ for values %PLAYER;
		4139	}
2811		4140
2812	warn "leaving sync_job";	4141	cf::_post_init 1;
2813		4142
		4143	trace "perl_reload: leaving sync_job";
		4144
2814	1	4145	1
2815	} or do {	4146	} or do {
2816	warn $@;	4147	error $@;
2817	warn "error while reloading, exiting.";	4148	cf::cleanup "perl_reload: error, exiting.";
2818	exit 1;	4149	};
		4150
		4151	--$RELOAD;
2819	};	4152	}
2820		4153
2821	warn "reloaded";	4154	$t1 = AE::time - $t1;
		4155	info "perl_reload: completed in ${t1}s\n";
2822	};	4156	};
2823		4157
2824	our $RELOAD_WATCHER; # used only during reload	4158	our $RELOAD_WATCHER; # used only during reload
2825		4159
2826	sub reload_perl() {	4160	sub reload_perl() {
2827	# doing reload synchronously and two reloads happen back-to-back,	4161	# doing reload synchronously and two reloads happen back-to-back,
2828	# coro crashes during coro_state_free->destroy here.	4162	# coro crashes during coro_state_free->destroy here.
2829		4163
2830	$RELOAD_WATCHER ||= Event->timer (	4164	$RELOAD_WATCHER ||= cf::async {
2831	reentrant => 0,	4165	Coro::AIO::aio_wait cache_extensions;
2832	after => 0,	4166
2833	data => WF_AUTOCANCEL,	4167	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2834	cb => sub {
2835	do_reload_perl;	4168	do_reload_perl;
2836	undef $RELOAD_WATCHER;	4169	undef $RELOAD_WATCHER;
2837	},	4170	};
2838	);	4171	};
2839	}	4172	}
2840		4173
2841	register_command "reload" => sub {	4174	register_command "reload" => sub {
2842	my ($who, $arg) = @_;	4175	my ($who, $arg) = @_;
2843		4176
2844	if ($who->flag (FLAG_WIZ)) {	4177	if ($who->flag (FLAG_WIZ)) {
2845	$who->message ("reloading server.");	4178	$who->message ("reloading server.");
		4179	async {
		4180	$Coro::current->{desc} = "perl_reload";
2846	async { reload_perl };	4181	reload_perl;
		4182	};
2847	}	4183	}
2848	};	4184	};
2849		4185
2850	unshift @INC, $LIBDIR;	4186	#############################################################################
2851		4187
2852	my $bug_warning = 0;	4188	my $bug_warning = 0;
2853		4189
2854	our @WAIT_FOR_TICK;
2855	our @WAIT_FOR_TICK_BEGIN;
2856
2857	sub wait_for_tick {	4190	sub wait_for_tick() {
2858	return unless $TICK_WATCHER->is_active;	4191	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2859	return if $Coro::current == $Coro::main;
2860		4192
2861	my $signal = new Coro::Signal;	4193	$WAIT_FOR_TICK->wait;
2862	push @WAIT_FOR_TICK, $signal;
2863	$signal->wait;
2864	}	4194	}
2865		4195
2866	sub wait_for_tick_begin {	4196	sub wait_for_tick_begin() {
2867	return unless $TICK_WATCHER->is_active;	4197	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2868	return if $Coro::current == $Coro::main;
2869		4198
2870	my $signal = new Coro::Signal;	4199	my $signal = new Coro::Signal;
2871	push @WAIT_FOR_TICK_BEGIN, $signal;	4200	push @WAIT_FOR_TICK_BEGIN, $signal;
2872	$signal->wait;	4201	$signal->wait;
2873	}	4202	}
2874		4203
2875	my $min = 1e6;#d#	4204	sub tick {
2876	my $avg = 10;
2877	$TICK_WATCHER = Event->timer (
2878	reentrant => 0,
2879	parked => 1,
2880	prio => 0,
2881	at => $NEXT_TICK || $TICK,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	if ($Coro::current != $Coro::main) {	4205	if ($Coro::current != $Coro::main) {
2885	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"
2886	unless ++$bug_warning > 10;	4207	unless ++$bug_warning > 10;
2887	return;	4208	return;
2888	}	4209	}
2889		4210
2890	$NOW = $tick_start = Event::time;	4211	cf::one_tick; # one server iteration
2891		4212
2892	cf::server_tick; # one server iteration	4213	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2893		4214
2894	0 && sync_job {#d#	4215	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895	for(1..10) {	4216	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2896	my $t = Event::time;	4217	Coro::async_pool {
2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4218	$Coro::current->{desc} = "runtime saver";
2898	or die;	4219	write_runtime_sync
2899		4220	or error "ERROR: unable to write runtime file: $!";
2900	$map->width (50);
2901	$map->height (50);
2902	$map->alloc;
2903	$map->_load_objects ("/tmp/x.map", 1);
2904	my $t = Event::time - $t;
2905
2906	#next unless $t < 0.0013;#d#
2907	if ($t < $min) {
2908	$min = $t;
2909	}
2910	$avg = $avg * 0.99 + $t * 0.01;
2911	}
2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913	exit 0;
2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915	};	4221	};
		4222	}
2916		4223
2917	$RUNTIME += $TICK;
2918	$NEXT_TICK += $TICK;
2919
2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2922	Coro::async_pool {
2923	write_runtime
2924	or warn "ERROR: unable to write runtime file: $!";
2925	};
2926	}
2927
2928	# my $AFTER = Event::time;
2929	# warn $AFTER - $NOW;#d#
2930
2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4224	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932	$sig->send;	4225	$sig->send;
2933	}	4226	}
2934	while (my $sig = shift @WAIT_FOR_TICK) {	4227	$WAIT_FOR_TICK->broadcast;
2935	$sig->send;
2936	}
2937		4228
2938	$NOW = Event::time;	4229	$LOAD = ($NOW - $TICK_START) / $TICK;
2939
2940	# if we are delayed by four ticks or more, skip them all
2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943	$TICK_WATCHER->at ($NEXT_TICK);
2944	$TICK_WATCHER->start;
2945
2946	$LOAD = ($NOW - $tick_start) / $TICK;
2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4230	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948		4231
2949	_post_tick;	4232	if (0) {
2950		4233	if ($NEXT_TICK) {
2951		4234	my $jitter = $TICK_START - $NEXT_TICK;
		4235	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4236	debug "jitter $JITTER\n";#d#
		4237	}
2952	},	4238	}
2953	);	4239	}
2954		4240
2955	{	4241	{
2956	BDB::max_poll_time $TICK * 0.1;	4242	# configure BDB
2957	$BDB_POLL_WATCHER = Event->io (	4243
2958	reentrant => 0,
2959	fd => BDB::poll_fileno,
2960	poll => 'r',
2961	prio => 0,
2962	data => WF_AUTOCANCEL,
2963	cb => \&BDB::poll_cb,
2964	);
2965	BDB::min_parallel 8;	4244	BDB::min_parallel 16;
2966		4245	BDB::max_poll_reqs $TICK * 0.1;
2967	BDB::set_sync_prepare {	4246	#$AnyEvent::BDB::WATCHER->priority (1);
2968	my $status;
2969	my $current = $Coro::current;
2970	(
2971	sub {
2972	$status = $!;
2973	$current->ready; undef $current;
2974	},
2975	sub {
2976	Coro::schedule while defined $current;
2977	$! = $status;
2978	},
2979	)
2980	};
2981		4247
2982	unless ($DB_ENV) {	4248	unless ($DB_ENV) {
2983	$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);
2984		4255
2985	cf::sync_job {	4256	cf::sync_job {
2986	eval {	4257	eval {
2987	BDB::db_env_open	4258	BDB::db_env_open
2988	$DB_ENV,	4259	$DB_ENV,
…		…
2990	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
2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4262	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992	0666;	4263	0666;
2993		4264
2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4265	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997	$DB_ENV->set_lk_detect;
2998	};	4266	};
2999		4267
3000	cf::cleanup "db_env_open(db): $@" if $@;	4268	cf::cleanup "db_env_open(db): $@" if $@;
3001	};	4269	};
3002	}	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	};
3003	}	4281	}
3004		4282
3005	{	4283	{
		4284	# configure IO::AIO
		4285
3006	IO::AIO::min_parallel 8;	4286	IO::AIO::min_parallel 8;
3007
3008	undef $Coro::AIO::WATCHER;
3009	IO::AIO::max_poll_time $TICK * 0.1;	4287	IO::AIO::max_poll_time $TICK * 0.1;
3010	$AIO_POLL_WATCHER = Event->io (	4288	undef $AnyEvent::AIO::WATCHER;
3011	reentrant => 0,
3012	data => WF_AUTOCANCEL,
3013	fd => IO::AIO::poll_fileno,
3014	poll => 'r',
3015	prio => 6,
3016	cb => \&IO::AIO::poll_cb,
3017	);
3018	}	4289	}
3019		4290
3020	my $_log_backtrace;	4291	our $_log_backtrace;
		4292	our $_log_backtrace_last;
3021		4293
3022	sub _log_backtrace {	4294	sub _log_backtrace {
3023	my ($msg, @addr) = @_;	4295	my ($msg, @addr) = @_;
3024		4296
3025	$msg =~ s/\n//;	4297	$msg =~ s/\n$//;
3026		4298
		4299	if ($_log_backtrace_last eq $msg) {
		4300	LOG llevInfo, "[ABT] $msg\n";
		4301	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3027	# limit the # of concurrent backtraces	4302	# limit the # of concurrent backtraces
3028	if ($_log_backtrace < 2) {	4303	} elsif ($_log_backtrace < 2) {
		4304	$_log_backtrace_last = $msg;
3029	++$_log_backtrace;	4305	++$_log_backtrace;
		4306	my $perl_bt = Carp::longmess $msg;
3030	async {	4307	async {
		4308	$Coro::current->{desc} = "abt $msg";
		4309
3031	my @bt = fork_call {	4310	my @bt = fork_call {
3032	@addr = map { sprintf "%x", $_ } @addr;	4311	@addr = map { sprintf "%x", $_ } @addr;
3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4312	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034	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 |"
3035	or die "addr2line: $!";	4314	or die "addr2line: $!";
…		…
3043	}	4322	}
3044		4323
3045	@funcs	4324	@funcs
3046	};	4325	};
3047		4326
3048	LOG llevInfo, "[ABT] $msg\n";	4327	LOG llevInfo, "[ABT] $perl_bt\n";
		4328	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3049	LOG llevInfo, "[ABT] $_\n" for @bt;	4329	LOG llevInfo, "[ABT] $_\n" for @bt;
3050	--$_log_backtrace;	4330	--$_log_backtrace;
3051	};	4331	};
3052	} else {	4332	} else {
3053	LOG llevInfo, "[ABT] $msg\n";	4333	LOG llevInfo, "[ABT] $msg\n";
3054	LOG llevInfo, "[ABT] [suppressed]\n";	4334	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3055	}	4335	}
3056	}	4336	}
3057		4337
3058	# load additional modules	4338	# load additional modules
3059	use cf::pod;	4339	require "cf/$_.pm" for @EXTRA_MODULES;
		4340	cf::_connect_to_perl_2;
3060		4341
3061	END { cf::emergency_save }	4342	END { cf::emergency_save }
3062		4343
3063	1	4344	1
3064		4345

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