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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	227	every server tick.
130		228
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		232
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	333	for my $pkg (qw(
198	cf::global cf::attachable	334	cf::global cf::attachable
199	cf::object cf::object::player	335	cf::object cf::object::player
200	cf::client cf::player	336	cf::client cf::player
201	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
202	cf::map cf::party cf::region	339	cf::party cf::region
203	)) {	340	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	342	}
207		343
208	$Event::DIED = sub {	344	$EV::DIED = sub {
209	warn "error in event callback: @_";	345	warn "error in event callback: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
211		354
212	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
213		356
214	=over 4	357	=over 4
215		358
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	378	$d
236	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
237	}	380	}
238		381
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
240		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
241	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
242		435
243	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
244		437
245	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
246		439
247	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
248		441
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
249	=item cf::lock_wait $string	511	=item cf::lock_wait $string
250		512
251	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
252		514
253	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
254		516
255	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
258	returned.	520	returned.
259		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
260	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
262		527
263	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
264		529
265	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
266		531
267	=cut	532	=cut
268		533
269	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
270		535
271	sub lock_wait($) {	536	sub lock_wait($) {
272	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	538	}
280		539
281	sub lock_acquire($) {	540	sub lock_acquire($) {
282	my ($key) = @_;	541	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	542	}
294		543
295	sub lock_active($) {	544	sub lock_active($) {
296	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	546	}
300		547
301	sub freeze_mainloop {	548	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
303		550
304	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
306	};	621	}
307	$TICK_WATCHER->stop;	622	};
308	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
309	}	637	}
310		638
311	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
312		640
313	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		646
319	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
320		648
321	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
322		650
323	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
326		655
327	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
330	fast or be very important.	659	fast or be very important.
…		…
332	=cut	661	=cut
333		662
334	sub sync_job(&) {	663	sub sync_job(&) {
335	my ($job) = @_;	664	my ($job) = @_;
336		665
337	if ($Coro::current == $Coro::main) {	666	if (in_main) {
338	my $time = Event::time;	667	my $time = AE::time;
339		668
340	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
342		671
343	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	673
345	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
346		675
347	my $busy = 1;	676	my $busy = 1;
348	my @res;	677	my @res;
349		678
350	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	681	@res = eval { $job->() };
352	warn $@ if $@;	682	error $@ if $@;
353	undef $busy;	683	undef $busy;
354	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
355		685
356	while ($busy) {	686	while ($busy) {
357	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
358	}	691	}
		692	}
359		693
360	$time = Event::time - $time;	694	my $time = AE::time - $time;
361		695
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
366		697
367	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
368	} else {	699	} else {
369	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
370		701
…		…
390	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
391		722
392	$coro	723	$coro
393	}	724	}
394		725
395	sub write_runtime {	726	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		727
398	# first touch the runtime file to show we are still running:	728	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
400		732
401	IO::AIO::aio_utime $runtime, undef, undef;	733	=cut
402		734
403	my $guard = cf::lock_acquire "write_runtime";	735	sub post_fork {
		736	reset_signals;
		737	}
404		738
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	739	sub fork_call(&@) {
406	or return;	740	my ($cb, @args) = @_;
407		741
408	my $value = $cf::RUNTIME + 90 + 10;	742	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	743	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	744	# TODO: investigate and fix (likely this will be rather laborious)
411		745
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	746	my @res = Coro::Util::fork_eval {
413	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
414		750
415	# always fsync - this file is important	751	wantarray ? @res : $res[-1]
416	aio_fsync $fh	752	}
417	and return;
418		753
419	# touch it again to show we are up-to-date	754	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
431	}	918	}
432		919
433	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
434		921
435	Log a datalog packet of the given type with the given key-value pairs.	922	Log a datalog packet of the given type with the given key-value pairs.
436		923
437	=cut	924	=cut
438		925
439	sub datalog($@) {	926	sub datalog($@) {
440	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	929	}
443		930
444	=back	931	=back
445		932
446	=cut	933	=cut
447		934
448	#############################################################################	935	#############################################################################
449		936
450	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
451		938
452	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
455		942
456	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	945	Deliantra).
459		946
460	=over 4	947	=over 4
461		948
462	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
463		950
…		…
507	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
508		995
509	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
511		998
512	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
514		1001
515	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
516		1003
517	=over 4	1004	=over 4
…		…
641		1128
642	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1131
645	} elsif (ref $type) {	1132	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
647		1134
648	} else {	1135	} else {
649	shift @arg;	1136	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
651	}	1138	}
652	}	1139	}
653	}	1140	}
654		1141
655	sub _object_attach {	1142	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
666	}	1153	}
667		1154
668	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
669	} else {	1156	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1158	}
672		1159
673	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
674	}	1161	}
675		1162
…		…
715	";	1202	";
716	die if $@;	1203	die if $@;
717	}	1204	}
718		1205
719	our $override;	1206	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1208
722	sub override {	1209	sub override {
723	$override = 1;	1210	$override = 1;
724	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
725	}	1212	}
726		1213
727	sub do_invoke {	1214	sub do_invoke {
728	my $event = shift;	1215	my $event = shift;
729	my $callbacks = shift;	1216	my $callbacks = shift;
730		1217
731	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
732		1219
733	local $override;	1220	local $override;
734		1221
735	for (@$callbacks) {	1222	for (@$callbacks) {
736	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
737		1224
738	if ($@) {	1225	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1227	override;
742	}	1228	}
743		1229
744	return 1 if $override;	1230	return 1 if $override;
745	}	1231	}
746		1232
747	0	1233	0
748	}	1234	}
749		1235
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1237
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1239
754	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
755		1241
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1245
760	=back	1246	=back
761		1247
762	=cut	1248	=cut
763		1249
764	#############################################################################	1250	#############################################################################
765	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
766		1294
767	sub reattach {	1295	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1297	my ($obj) = @_;
770		1298
		1299	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1301
773	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
774		1303
775	@$registry = ();	1304	@$registry = ();
776		1305
…		…
781	for (@$attach) {	1310	for (@$attach) {
782	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
784	}	1313	}
785	} else {	1314	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1316	}
788	}	1317	}
789	}	1318	}
790		1319
791	cf::attachable->attach (	1320	cf::attachable->attach (
792	prio => -1000000,	1321	prio => -1000000,
793	on_instantiate => sub {	1322	on_instantiate => sub {
794	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
795		1324
796	$data = from_json $data;	1325	$data = decode_json $data;
797		1326
798	for (@$data) {	1327	for (@$data) {
799	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
800		1329
801	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1346	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
819		1348
820	sync_job {	1349	sync_job {
821	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
824		1355
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
829	close $fh;	1363	aio_close $fh;
830		1364
831	if (@$objs) {	1365	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
837	close $fh;	1374	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
839	}	1376	}
840	} else {	1377	} else {
841	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
842	}	1379	}
843		1380
844	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1385	} else {
846	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
847	}	1387	}
848	} else {	1388	} else {
849	aio_unlink $filename;	1389	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
851	}	1391	}
852	}	1392	};
853	}	1393	}
854		1394
855	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
857		1397
…		…
869	or return;	1409	or return;
870		1410
871	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
873	or return;	1413	or return;
		1414
874	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
875	}	1417	}
876		1418
		1419	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
879	return ($data, $av);	1424	($data, $av)
880	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
881		1432
882	#############################################################################	1433	#############################################################################
883	# command handling &c	1434	# command handling &c
884		1435
885	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
886		1437
887	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
888	$name.	1439	$name.
889		1440
890	=cut	1441	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
897		1448
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1450	}
900		1451
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
902		1453
903	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
904		1459
905	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
906	called.	1461	called.
907		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
908	=cut	1474	=cut
909		1475
910	sub register_extcmd {	1476	sub register_extcmd {
911	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
912		1478
913	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
914	}	1480	}
915		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
916	cf::player->attach (	1490	cf::player->attach (
917	on_command => sub {	1491	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
919		1493
920	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
921	or return;	1495	or return;
922		1496
…		…
927	cf::override;	1501	cf::override;
928	},	1502	},
929	on_extcmd => sub {	1503	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
931		1505
932	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1507
934	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
940	} else {	1520	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1522	}
943		1523
944	cf::override;	1524	cf::override;
945	},	1525	},
946	);	1526	);
947		1527
		1528	# "readahead" all extensions
948	sub load_extension {	1529	sub cache_extensions {
949	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
950		1531
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1535	}
976	die $@;
977	}	1536	};
978		1537
979	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
980	}	1550	}
981		1551
982	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
983	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1561	next unless -r $path;
985	eval {	1562
986	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
987	1	1635	}
988	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
989	}	1648	};
990	}	1649	}
991		1650
992	#############################################################################	1651	#############################################################################
993		1652
		1653	=back
		1654
994	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
995		1656
996	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
997		1658
998	=cut	1659	=cut
999		1660
1000	package cf::player;	1661	package cf::player;
1001		1662
1002	use Coro::AIO;	1663	use Coro::AIO;
1003		1664
1004	=head3 cf::player	1665	=head3 cf::player
1005		1666
1006	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1007		1682
1008	=item cf::player::find $login	1683	=item cf::player::find $login
1009		1684
1010	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1011		1686
…		…
1030		1705
1031	sub exists($) {	1706	sub exists($) {
1032	my ($login) = @_;	1707	my ($login) = @_;
1033		1708
1034	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1036	}	1711	}
1037		1712
1038	sub find($) {	1713	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1715	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1726
1052	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1055	}	1736	}
1056	}	1737	}
1057	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1058		1752
1059	sub save($) {	1753	sub save($) {
1060	my ($pl) = @_;	1754	my ($pl) = @_;
1061		1755
1062	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1068		1762
1069	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1071		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1072	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1073	Coro::cede;	1772	cf::cede_to_tick;
1074	}	1773	}
1075		1774
1076	sub new($) {	1775	sub new($) {
1077	my ($login) = @_;	1776	my ($login) = @_;
1078		1777
…		…
1084	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1085		1784
1086	$self	1785	$self
1087	}	1786	}
1088		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1089	=item $pl->quit_character	1798	=item $pl->quit_character
1090		1799
1091	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1093		1802
…		…
1097	my ($pl) = @_;	1806	my ($pl) = @_;
1098		1807
1099	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1100		1809
1101	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1812
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1107	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1108		1821
1109	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1146	or return [];	1859	or return [];
1147		1860
1148	my @logins;	1861	my @logins;
1149		1862
1150	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1154		1873
1155	utf8::decode $login;	1874	utf8::decode $login;
1156	push @logins, $login;	1875	push @logins, $login;
1157	}	1876	}
1158		1877
1159	\@logins	1878	\@logins
1160	}	1879	}
1161		1880
1162	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1163		1884
1164	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1165	player. May block.	1886	player. May block.
1166		1887
1167	=cut	1888	=cut
…		…
1185	}	1906	}
1186		1907
1187	\@paths	1908	\@paths
1188	}	1909	}
1189		1910
1190	=item $player->ext_reply ($msgid, %msg)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1191		1912
1192	Sends an ext reply to the player.	1913	Expand deliantra pod fragments into protocol xml.
1193		1914
1194	=cut
1195
1196	sub ext_reply($$%) {
1197	my ($self, $id, %msg) = @_;
1198
1199	$msg{msgid} = $id;
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}
1203
1204	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1205		1916
1206	Sends an ext event to the client.	1917	Sends an ext event to the client.
1207		1918
1208	=cut	1919	=cut
1209		1920
1210	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1212		1923
1213	$self->ns->ext_event ($type, %msg);	1924	$self->ns->ext_msg ($type, @msg);
1214	}	1925	}
1215		1926
1216	=head3 cf::region	1927	=head3 cf::region
1217		1928
1218	=over 4	1929	=over 4
…		…
1221		1932
1222	package cf::region;	1933	package cf::region;
1223		1934
1224	=item cf::region::find_by_path $path	1935	=item cf::region::find_by_path $path
1225		1936
1226	Tries to decuce the probable region for a map knowing only its path.	1937	Tries to decuce the likely region for a map knowing only its path.
1227		1938
1228	=cut	1939	=cut
1229		1940
1230	sub find_by_path($) {	1941	sub find_by_path($) {
1231	my ($path) = @_;	1942	my ($path) = @_;
1232		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
1233	my ($match, $specificity);	1946	my ($match, $specificity);
1234		1947
1235	for my $region (list) {	1948	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1949	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1950	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1951	if $region->specificity > $specificity;
1239	}	1952	}
1240	}	1953	}
1241		1954
…		…
1262	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1264		1977
1265	sub generate_random_map {	1978	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1268	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1984	}
1282		1985
1283	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1284		1987
1285	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1290		1993
1291	sub register {	1994	sub register {
1292	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1996	my $pkg = caller;
1294		1997
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1999
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2001	}
1300		2002
1301	# also paths starting with '/'	2003	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2005
1304	sub thawer_merge {	2006	sub thawer_merge {
1305	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1306		2008
1307	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
1308	local $self->{path};	2010	local $self->{path};
1309	local $self->{load_path};	2011	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		2012
1313	$self->SUPER::thawer_merge ($merge);	2013	$self->SUPER::thawer_merge ($merge);
1314	}	2014	}
1315		2015
1316	sub normalise {	2016	sub normalise {
1317	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1318		2018
1319	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1320		2020
1321	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1322		2022
1323	# map plan:	2023	# map plan:
1324	#	2024	#
…		…
1339	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	2040	$path = "$base/$path";
1341	}	2041	}
1342		2042
1343	for ($path) {	2043	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1347	}	2046	}
1348		2047
1349	$path	2048	$path
…		…
1363	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1364	return $self;	2063	return $self;
1365	}	2064	}
1366	}	2065	}
1367		2066
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2068	()
1370	}	2069	}
1371		2070
		2071	# may re-bless or do other evil things
1372	sub init {	2072	sub init {
1373	my ($self) = @_;	2073	my ($self) = @_;
1374		2074
1375	$self	2075	$self
1376	}	2076	}
…		…
1395		2095
1396	# the temporary/swap location	2096	# the temporary/swap location
1397	sub save_path {	2097	sub save_path {
1398	my ($self) = @_;	2098	my ($self) = @_;
1399		2099
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1402	}	2102	}
1403		2103
1404	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1405	sub uniq_path {	2105	sub uniq_path {
1406	my ($self) = @_;	2106	my ($self) = @_;
1407		2107
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1410	}	2110	}
1411		2111
1412	# and all this just because we cannot iterate over	2112	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2113	my ($self) = @_;
1416		2114
1417	$_->change_map_light ($change)	2115	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2116
		2117	$self->do_decay_objects;
1419	}	2118	}
1420		2119
1421	sub unlink_save {	2120	sub unlink_save {
1422	my ($self) = @_;	2121	my ($self) = @_;
1423		2122
…		…
1428		2127
1429	sub load_header_from($) {	2128	sub load_header_from($) {
1430	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1431		2130
1432	utf8::encode $path;	2131	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2133	or return;
1438		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1439	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1440		2142
1441	1	2143	1
1442	}	2144	}
1443		2145
		2146	# used to laod the header of an original map
1444	sub load_header_orig {	2147	sub load_header_orig {
1445	my ($self) = @_;	2148	my ($self) = @_;
1446		2149
1447	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1448	}	2151	}
1449		2152
		2153	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2154	sub load_header_temp {
1451	my ($self) = @_;	2155	my ($self) = @_;
1452		2156
1453	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1454	}	2158	}
1455		2159
		2160	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2161	sub prepare_temp {
1457	my ($self) = @_;	2162	my ($self) = @_;
1458		2163
1459	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1461	# safety	2166	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2169	}
1465		2170
		2171	# called after loading the header from an original map
1466	sub prepare_orig {	2172	sub prepare_orig {
1467	my ($self) = @_;	2173	my ($self) = @_;
1468		2174
1469	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2187	$self->load_header_orig
1482	or return;	2188	or return;
1483	$self->prepare_orig;	2189	$self->prepare_orig;
1484	}	2190	}
1485		2191
		2192	$self->{deny_reset} = 1
		2193	if $self->no_reset;
		2194
1486	$self->default_region (cf::region::find_by_path $self->{path})	2195	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2196	unless $self->default_region;
1488		2197
1489	1	2198	1
1490	}	2199	}
1491		2200
1492	sub find;	2201	sub find;
1493	sub find {	2202	sub find {
1494	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1495		2204
		2205	cf::cede_to_tick;
		2206
1496	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1497		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2211
1500	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1503	or return;	2214	or return;
1504		2215
1505	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1506		2217
1507	$map->load_header	2218	$map->load_header
1508	or return;	2219	or return;
1509		2220
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1513	$map->reset;	2226	$map->reset;
1514	undef $guard;
1515	return find $path;	2227	return find $path;
1516	}	2228	}
1517		2229
1518	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1519	}	2231	}
1520	}	2232	}
1521		2233
1522	sub pre_load { }	2234	sub pre_load { }
1523	sub post_load { }	2235	#sub post_load { } # XS
1524		2236
1525	sub load {	2237	sub load {
1526	my ($self) = @_;	2238	my ($self) = @_;
1527		2239
1528	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1529		2241
1530	my $path = $self->{path};	2242	my $path = $self->{path};
1531		2243
1532	{	2244	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1534		2246
		2247	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2249
1539	$self->alloc;	2250	$self->alloc;
1540		2251
1541	$self->pre_load;	2252	$self->pre_load;
1542	Coro::cede;	2253	cf::cede_to_tick;
1543		2254
1544	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1545	or return;	2259	or return;
1546		2260
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1548	if delete $self->{load_original};	2262	if delete $self->{load_original};
1549		2263
1550	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2265	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2268	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1555	}	2273	}
1556	}
1557		2274
1558	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1559	# now do the right thing for maps	2284	# now do the right thing for maps
1560	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2287	unless $self->difficulty;
1563	Coro::cede;	2288	cf::cede_to_tick;
1564		2289
1565	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2291	$self->decay_objects;
1567	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
1568	$self->update_buttons;	2293	$self->update_buttons;
1569	Coro::cede;	2294	cf::cede_to_tick;
1570	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2296	}
1574		2297
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1576	}	2300	}
1577		2301
1578	$self->post_load;	2302	$self->post_load;
1579	}
1580		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2310	sub customise_for {
1582	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1583		2312
1584	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2314	if $self->per_player;
1586		2315
		2316	# return find "?party/" . $ob->name . "/" . $self->{path}
		2317	# if $self->per_party;
		2318
1587	$self	2319	$self
1588	}
1589
1590	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {
1592	my ($map) = @_;
1593
1594	my @diag; # diagonal neighbours
1595
1596	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)
1598	or next;
1599	$neigh = find $neigh, $map
1600	or next;
1601	$neigh->load;
1602
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}
1606
1607	for (@diag) {
1608	my $neigh = find @$_
1609	or next;
1610	$neigh->load;
1611	}
1612	}	2320	}
1613		2321
1614	sub find_sync {	2322	sub find_sync {
1615	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1616		2324
1617	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1618	}	2330	}
1619		2331
1620	sub do_load_sync {	2332	sub do_load_sync {
1621	my ($map) = @_;	2333	my ($map) = @_;
1622		2334
1623	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1624	}	2340	}
1625		2341
1626	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1628		2344
1629	sub find_async {	2345	sub find_async {
1630	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1631		2347
1632	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1633		2349
1634	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1636	}	2352	}
1637		2353
1638	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1639	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1640	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2361	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2362	$map->load if $v;
		2363	}
1645		2364
1646	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1647	}	2366	}
1648	}	2367	}
1649	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1650	};	2369	};
1651	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1652		2371
1653	()	2372	()
1654	}	2373	}
1655		2374
		2375	# common code, used by both ->save and ->swapout
1656	sub save {	2376	sub _save {
1657	my ($self) = @_;	2377	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2378
1661	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1662		2380
1663	return unless $self->dirty;	2381	return unless $self->dirty;
1664		2382
…		…
1670	return if $self->{deny_save};	2388	return if $self->{deny_save};
1671		2389
1672	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1673		2391
1674	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1676	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1677		2398
1678	if ($uniq) {	2399	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2402	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2404	}
1684	}	2405	}
1685		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1686	sub swap_out {	2415	sub swap_out {
1687	my ($self) = @_;	2416	my ($self) = @_;
1688		2417
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1694	return if $self->players;	2422	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1698	$self->clear;	2433	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2434	}
1701		2435
1702	sub reset_at {	2436	sub reset_at {
1703	my ($self) = @_;	2437	my ($self) = @_;
1704		2438
1705	# TODO: safety, remove and allow resettable per-player maps	2439	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2440	return 1e99 if $self->{deny_reset};
1708		2441
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2444
…		…
1722	my ($self) = @_;	2455	my ($self) = @_;
1723		2456
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2458
1726	return if $self->players;	2459	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2460
1729	warn "resetting map ", $self->path;#d#	2461	cf::trace "resetting map ", $self->path, "\n";
1730		2462
1731	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1732		2464
1733	# need to save uniques path	2465	# need to save uniques path
1734	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2468
…		…
1738	if $uniq;	2470	if $uniq;
1739	}	2471	}
1740		2472
1741	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1742		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2477	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2478
1747	$self->unlink_save;	2479	$self->unlink_save;
1748	$self->destroy;	2480	$self->destroy;
1749	}	2481	}
1750		2482
1751	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1752		2484
1753	sub nuke {	2485	sub nuke {
1754	my ($self) = @_;	2486	my ($self) = @_;
1755		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1756	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1757		2492
1758	$self->unlink_save;	2493	$self->unlink_save;
1759		2494
1760	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2500
1766	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1767		2503
1768	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
		2505	}
		2506
		2507	=item $maps = cf::map::tmp_maps
		2508
		2509	Returns an arrayref with all map paths of currently instantiated and saved
		2510	maps. May block.
		2511
		2512	=cut
		2513
		2514	sub tmp_maps() {
		2515	[
		2516	map {
		2517	utf8::decode $_;
		2518	/\.map$/
		2519	? normalise $_
		2520	: ()
		2521	} @{ aio_readdir $TMPDIR or [] }
		2522	]
		2523	}
		2524
		2525	=item $maps = cf::map::random_maps
		2526
		2527	Returns an arrayref with all map paths of currently instantiated and saved
		2528	random maps. May block.
		2529
		2530	=cut
		2531
		2532	sub random_maps() {
		2533	[
		2534	map {
		2535	utf8::decode $_;
		2536	/\.map$/
		2537	? normalise "?random/$_"
		2538	: ()
		2539	} @{ aio_readdir $RANDOMDIR or [] }
		2540	]
1769	}	2541	}
1770		2542
1771	=item cf::map::unique_maps	2543	=item cf::map::unique_maps
1772		2544
1773	Returns an arrayref of paths of all shared maps that have	2545	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2546	instantiated unique items. May block.
1775		2547
1776	=cut	2548	=cut
1777		2549
1778	sub unique_maps() {	2550	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2551	[
1780	or return;	2552	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2553	utf8::decode $_;
1786	next if /\.pst$/;	2554	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2556	? ()
1789	push @paths, cf::map::normalise $_;	2557	: normalise $_
		2558	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2559	]
1791
1792	\@paths
1793	}	2560	}
1794		2561
1795	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1796		2593
1797	=back	2594	=back
1798		2595
1799	=head3 cf::object	2596	=head3 cf::object
1800		2597
…		…
1804		2601
1805	=over 4	2602	=over 4
1806		2603
1807	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
1808		2605
1809	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
1810		2608
1811	=cut	2609	=cut
1812		2610
1813	sub inv_recursive_;	2611	sub inv_recursive_;
1814	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
1817		2615
1818	sub inv_recursive {	2616	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
1820	}	2618	}
1821		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
1822	package cf;	2648	package cf;
1823		2649
1824	=back	2650	=back
1825		2651
1826	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
1835		2661
1836	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
1837		2677
1838	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2679	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
1843		2683
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2685
1846	if ($self->{record_replies}) {	2686	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2688
1848	} else {	2689	} else {
		2690	my $pl = $self->contr;
		2691
		2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2693	my $dialog = $pl->{npc_dialog};
		2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2695
		2696	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2699	}
1851	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
1852	}	2711	}
1853		2712
1854	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
1855		2714
1856	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
1869		2728
1870	=item $player_object->enter_link	2729	=item $player_object->enter_link
1871		2730
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2732
1874	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
1876		2737
1877	Will never block.	2738	Will never block.
1878		2739
1879	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
1880		2741
…		…
1900	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2762	my ($self) = @_;
1902		2763
1903	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
1904		2765
		2766	++$self->{_link_recursion};
		2767
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2769
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
1909		2772
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2774	}
1912		2775
1913	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
1915		2778
…		…
1932	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
1934		2797
1935	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
1938		2801
1939	$map->load;	2802	$map->load;
1940	$map->load_diag;
1941		2803
1942	return unless $self->contr->active;	2804	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2805
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
1947	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
1948		2813
		2814	}
		2815
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2817
1951	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
1955		2826
1956	=cut	2827	=cut
1957		2828
1958	our $GOTOGEN;	2829	our $GOTOGEN;
1959		2830
1960	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
1962		2839
1963	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2842
1966	$self->enter_link;	2843	$self->enter_link;
1967		2844
1968	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
1969	my $map = eval {	2867	my $map = eval {
1970	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2869
1972	if ($map) {	2870	if ($map) {
1973	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2873	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2875	}
1978		2876
1979	$map	2877	$map
1980	};	2878	};
1981		2879
…		…
1986		2884
1987	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
1990	}	2888	}
		2889
		2890	$done->($self) if $done;
1991	})->prio (1);	2891	})->prio (1);
1992	}	2892	}
1993		2893
1994	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
1995		2895
…		…
2015	}	2915	}
2016		2916
2017	sub prepare_random_map {	2917	sub prepare_random_map {
2018	my ($exit) = @_;	2918	my ($exit) = @_;
2019		2919
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2922	# that depends on the exit object
2025		2923
2026	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2926	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2033	}	2933	}
2034		2934
2035	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2036		2936
2037	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2040		2940
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2943	undef $fh;
2044	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2045		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2048	}	2952	}
2049	}	2953	}
2050		2954
2051	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2053		2957
2054	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2055		2959
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2960	$self->enter_link;
2068		2961
2069	(async {	2962	(async {
2070	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
2071	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2072	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2073		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2074	1;	3001	1
2075	}) {	3002	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2080		3007
2081	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	3009	$self->leave_link;
2083	}	3010	}
2084	})->prio (1);	3011	})->prio (1);
2085	}	3012	}
2086		3013
…		…
2100		3027
2101	utf8::encode $text;	3028	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	3030	}
2104		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
2105	=item $client->ext_event ($type, %msg)	3219	=item $client->ext_msg ($type, @msg)
2106		3220
2107	Sends an exti event to the client.	3221	Sends an ext event to the client.
2108		3222
2109	=cut	3223	=cut
2110		3224
2111	sub cf::client::ext_event($$%) {	3225	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3226	my ($self, $type, @msg) = @_;
2113		3227
2114	$msg{msgtype} = "event_$type";	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2115	$self->send_packet ("ext " . cf::to_json \%msg);
2116	}	3229	}
2117		3230
2118	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2119		3232
2120	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3234	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3236
2124	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3238	become reliable at some point in the future.
2126		3239
2127	=cut	3240	=cut
2128		3241
2129	sub cf::client::query {	3242	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3251	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3253
2141	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2143	}	3258	}
2144		3259
2145	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2146	on_reply => sub {	3266	on_reply => sub {
2147	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2148		3268
2149	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2150	# get handled first	3270	# get handled first
…		…
2162	} else {	3282	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3284	}
2165	}	3285	}
2166	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2167	);	3310	);
2168		3311
2169	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2170		3313
2171	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3330
2188	$coro	3331	$coro
2189	}	3332	}
2190		3333
2191	cf::client->attach (	3334	cf::client->attach (
2192	on_destroy => sub {	3335	on_client_destroy => sub {
2193	my ($ns) = @_;	3336	my ($ns) = @_;
2194		3337
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3339	},
2197	);	3340	);
…		…
2212	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2214		3357
2215	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2216		3359
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2218		3365
2219	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2220		3367
2221	=pod	3368	=pod
2222		3369
2223	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2224		3371
2225	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2226	cf::object::player player	3377	cf::object::player
2227	cf::player peaceful	3378	player
2228	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2229		3385
2230	=cut	3386	=cut
2231		3387
2232	for (	3388	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2237	) {	3395	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3398	for @funs;
2242	}	3399	}
2243		3400
…		…
2258		3415
2259	my $qcode = $code;	3416	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2262		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2263	local $_;	3423	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3424
2266	my $eval =	3425	my $eval =
2267	"do {\n"	3426	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3429	. $code
2271	. "\n}"	3430	. "\n}"
2272	;	3431	;
2273		3432
		3433	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2277		3442
2278	if ($@) {	3443	if ($@) {
2279	warn "$@";	3444	warn "$@",
2280	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2282	}	3447	}
2283		3448
2284	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2285	}	3450	}
2286		3451
…		…
2300	=cut	3465	=cut
2301		3466
2302	sub register_script_function {	3467	sub register_script_function {
2303	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2304		3469
2305	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2307	}	3472	}
2308		3473
2309	=back	3474	=back
2310		3475
2311	=cut	3476	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3477
2485	#############################################################################	3478	#############################################################################
2486	# the server's init and main functions	3479	# the server's init and main functions
2487		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2488	sub load_facedata($) {	3505	sub load_facedata($) {
2489	my ($path) = @_;	3506	my ($path) = @_;
2490		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2491	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2492		3515
2493	my $facedata;	3516	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3517
2499	$facedata->{version} == 2	3518	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3520
		3521	cf::cede_to_tick;
		3522
2502	{	3523	{
2503	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
2504		3525
2505	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
2511	}	3538	}
2512		3539
2513	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2515	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
2516	or next;	3544	or next;
		3545
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3549	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3551	}
2522	Coro::cede;	3552
		3553	cf::cede_to_tick;
2523	}	3554	}
2524	}	3555	}
2525		3556
2526	{	3557	{
2527	my $anims = $facedata->{animinfo};	3558	my $anims = $facedata->{animinfo};
2528		3559
2529	while (my ($anim, $info) = each %$anims) {	3560	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3562	cf::cede_to_tick;
2532	}	3563	}
2533		3564
2534	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
2535	}	3566	}
2536		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
2537	1	3590	1
2538	}	3591	}
2539		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
2540	sub reload_regions {	3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
2541	load_resource_file "$MAPDIR/regions"	3629	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3630	or die "unable to load regions file\n";
		3631
		3632	for (cf::region::list) {
		3633	$_->{match} = qr/$_->{match}/
		3634	if exists $_->{match};
		3635	}
2543	}	3636	}
2544		3637
2545	sub reload_facedata {	3638	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3639	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3640	or die "unable to load facedata\n";
2548	}	3641	}
2549		3642
2550	sub reload_archetypes {	3643	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
2553	}	3655	}
2554		3656
2555	sub reload_treasures {	3657	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
2558	}	3660	}
2559		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
2560	sub reload_resources {	3744	sub reload_resources {
2561	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
2562		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
2563	reload_regions;	3752	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
2567		3755
2568	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
2569	}	3757	}
2570		3758
2571	sub init {	3759	sub reload_config {
2572	reload_resources;	3760	trace "reloading config file...\n";
2573	}
2574		3761
2575	sub cfg_load {	3762	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3763	utf8::decode $config;
2577	or return;	3764	*CFG = decode_yaml $config;
2578		3765
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3767
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3770
2587	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2591	};	3775	};
2592	warn $@ if $@;	3776	warn $@ if $@;
2593	}	3777	}
2594	}	3778	}
2595		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2596	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2597	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3821	(async {
2601	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2603	};	3825	};
2604		3826
2605	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2606	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2607	load_extensions;	3851	load_extensions;
2608		3852
2609	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2611	}	3870	}
2612		3871
2613	#############################################################################	3872	#############################################################################
2614	# initialisation and cleanup	3873	# initialisation and cleanup
2615		3874
2616	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2617	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2626	},
2627	);	3881	};
		3882	}
		3883	}
		3884
		3885	sub write_runtime_sync {
		3886	my $t0 = AE::time;
		3887
		3888	# first touch the runtime file to show we are still running:
		3889	# the fsync below can take a very very long time.
		3890
		3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3892
		3893	my $guard = cf::lock_acquire "write_runtime";
		3894
		3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3896	or return;
		3897
		3898	my $value = $cf::RUNTIME + 90 + 10;
		3899	# 10 is the runtime save interval, for a monotonic clock
		3900	# 60 allows for the watchdog to kill the server.
		3901
		3902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3903	and return;
		3904
		3905	# always fsync - this file is important
		3906	aio_fsync $fh
		3907	and return;
		3908
		3909	# touch it again to show we are up-to-date
		3910	aio_utime $fh, undef, undef;
		3911
		3912	close $fh
		3913	or return;
		3914
		3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3916	and return;
		3917
		3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3919
2628	}	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2629	}	3971	}
2630		3972
2631	sub emergency_save() {	3973	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2633		3975
2634	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2635		3982
2636	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2637	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3994	$pl->save;
2645	}	3995	}
2646	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2647		3997
2648	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	4003	$map->valid or next;
2652	$map->save;	4004	$map->save;
2653	}	4005	}
2654	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2655		4007
2656	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2659	};	4036	};
2660		4037
2661	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2662	}	4039	}
2663		4040
2664	sub post_cleanup {	4041	sub post_cleanup {
2665	my ($make_core) = @_;	4042	my ($make_core) = @_;
2666		4043
		4044	IO::AIO::flush;
		4045
2667	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
2669	}	4076	}
2670		4077
2671	sub do_reload_perl() {	4078	sub do_reload_perl() {
2672	# can/must only be called in main	4079	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2674	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2675	return;	4082	return;
2676	}	4083	}
2677		4084
2678	warn "reloading...";	4085	return if $RELOAD++;
2679		4086
2680	warn "entering sync_job";	4087	my $t1 = AE::time;
2681		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2682	cf::sync_job {	4095	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	4096	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		4097
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	4100	%EXT_CORO = ();
2711		4101
2712	warn "removing commands";	4102	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4103	%COMMAND = ();
2714		4104
2715	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2717		4108
2718	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2721		4112
2722	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4114	eval {
2724	$cb->($pkg);	4115	$cb->($pkg);
2725	1	4116	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2727	}	4122	}
2728		4123
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4127
2737	warn "... unloading $k";	4128	trace "... unloading $k";
2738	delete $INC{$k};	4129	delete $INC{$k};
2739		4130
2740	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2742		4133
2743	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2745	}	4139	}
2746		4140
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4144
2754	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4148
2758	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4150	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2761		4152
2762	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2763		4154
2764	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2765	require cf;	4156	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2767		4158
2768	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4160	cf::reload_config;
2770		4161
2771	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4163	cf::load_extensions;
2773		4164
		4165	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
2780		4173
2781	warn "leaving sync_job";	4174	cf::_post_init 1;
2782		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
2783	1	4178	1
2784	} or do {	4179	} or do {
2785	warn $@;	4180	error $@;
2786	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4182	};
		4183
		4184	--$RELOAD;
2788	};	4185	}
2789		4186
2790	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
2791	};	4189	};
2792		4190
2793	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
2794		4192
2795	sub reload_perl() {	4193	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
2798		4196
2799	$RELOAD_WATCHER ||= Event->timer (	4197	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4198	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4199
2802	data => WF_AUTOCANCEL,	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4201	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
2806	},	4203	};
2807	);	4204	};
2808	}	4205	}
2809		4206
2810	register_command "reload" => sub {	4207	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2812		4209
2813	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
		4212	async {
		4213	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4214	reload_perl;
		4215	};
2816	}	4216	}
2817	};	4217	};
2818		4218
2819	unshift @INC, $LIBDIR;	4219	#############################################################################
2820		4220
2821	my $bug_warning = 0;	4221	my $bug_warning = 0;
2822		4222
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4223	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4225
2830	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4227	}
2834		4228
2835	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4231
2839	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4234	$signal->wait;
2842	}	4235	}
2843		4236
2844	my $min = 1e6;#d#	4237	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2856	return;	4241	return;
2857	}	4242	}
2858		4243
2859	$NOW = $tick_start = Event::time;	4244	cf::one_tick; # one server iteration
2860		4245
2861	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4247
2863	0 && sync_job {#d#	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4250	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4251	$Coro::current->{desc} = "runtime saver";
2867	or die;	4252	write_runtime_sync
2868		4253	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4254	};
		4255	}
2885		4256
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4258	$sig->send;
2902	}	4259	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4261
2907	$NOW = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4264
2918	_post_tick;	4265	if (0) {
2919		4266	if ($NEXT_TICK) {
2920		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
2921	},	4271	}
2922	);	4272	}
2923		4273
2924	{	4274	{
2925	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
2927	reentrant => 0,	4277
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
2935		4279	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4281
2951	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4289
2954	cf::sync_job {	4290	cf::sync_job {
2955	eval {	4291	eval {
2956	BDB::db_env_open	4292	BDB::db_env_open
2957	$DB_ENV,	4293	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4297	0666;
2962		4298
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4300	};
2968		4301
2969	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4303	};
2971	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
2972	}	4317	}
2973		4318
2974	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
2975	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,	4326	info "aio initialised";
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4327	}
2988		4328
2989	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
2990		4331
2991	sub _log_backtrace {	4332	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
2993		4334
2994	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
2995		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
2999	async {	4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
3000	my @bt = fork_call {	4348	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4352	or die "addr2line: $!";
…		…
3012	}	4360	}
3013		4361
3014	@funcs	4362	@funcs
3015	};	4363	};
3016		4364
3017	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4368	--$_log_backtrace;
3020	};	4369	};
3021	} else {	4370	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4373	}
3025	}	4374	}
3026		4375
3027	# load additional modules	4376	# load additional modules
3028	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3029		4379
3030	END { cf::emergency_save }	4380	END { cf::emergency_save }
3031		4381
3032	1	4382	1
3033		4383

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