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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	227	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
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";
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 || []};	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);
…		…
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	$pl->ext_reply ($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
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1190	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1191		1916
1192	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1193		1918
1194	=cut	1919	=cut
1195		1920
1196	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1198		1923
1199	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1925	}
1203		1926
1204	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1205		1928
1206	Sends an ext event to the client.	1929	Sends an ext event to the client.
1207		1930
1208	=cut	1931	=cut
1209		1932
1210	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1212		1935
1213	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1214	}	1937	}
1215		1938
1216	=head3 cf::region	1939	=head3 cf::region
1217		1940
1218	=over 4	1941	=over 4
…		…
1221		1944
1222	package cf::region;	1945	package cf::region;
1223		1946
1224	=item cf::region::find_by_path $path	1947	=item cf::region::find_by_path $path
1225		1948
1226	Tries to decuce the probable region for a map knowing only its path.	1949	Tries to decuce the likely region for a map knowing only its path.
1227		1950
1228	=cut	1951	=cut
1229		1952
1230	sub find_by_path($) {	1953	sub find_by_path($) {
1231	my ($path) = @_;	1954	my ($path) = @_;
1232		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1233	my ($match, $specificity);	1958	my ($match, $specificity);
1234		1959
1235	for my $region (list) {	1960	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1239	}	1964	}
1240	}	1965	}
1241		1966
…		…
1262	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1264		1989
1265	sub generate_random_map {	1990	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1268	$self->_create_random_map (	1995	$self->_create_random_map ($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}), $rmp->{custom}
1280	)
1281	}	1996	}
1282		1997
1283	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1284		1999
1285	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1290		2005
1291	sub register {	2006	sub register {
1292	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2008	my $pkg = caller;
1294		2009
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2011
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2013	}
1300		2014
1301	# also paths starting with '/'	2015	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2017
1304	sub thawer_merge {	2018	sub thawer_merge {
1305	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1306		2020
1307	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1312	}	2026	}
1313		2027
1314	sub normalise {	2028	sub normalise {
1315	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1316		2030
1317	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1318		2032
1319	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1320		2034
1321	# map plan:	2035	# map plan:
1322	#	2036	#
…		…
1337	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	2052	$path = "$base/$path";
1339	}	2053	}
1340		2054
1341	for ($path) {	2055	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1345	}	2058	}
1346		2059
1347	$path	2060	$path
…		…
1361	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1362	return $self;	2075	return $self;
1363	}	2076	}
1364	}	2077	}
1365		2078
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2080	()
1368	}	2081	}
1369		2082
		2083	# may re-bless or do other evil things
1370	sub init {	2084	sub init {
1371	my ($self) = @_;	2085	my ($self) = @_;
1372		2086
1373	$self	2087	$self
1374	}	2088	}
…		…
1393		2107
1394	# the temporary/swap location	2108	# the temporary/swap location
1395	sub save_path {	2109	sub save_path {
1396	my ($self) = @_;	2110	my ($self) = @_;
1397		2111
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1400	}	2114	}
1401		2115
1402	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1403	sub uniq_path {	2117	sub uniq_path {
1404	my ($self) = @_;	2118	my ($self) = @_;
1405		2119
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2122	}
1418		2123
1419	sub decay_objects {	2124	sub decay_objects {
1420	my ($self) = @_;	2125	my ($self) = @_;
1421		2126
…		…
1434		2139
1435	sub load_header_from($) {	2140	sub load_header_from($) {
1436	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1437		2142
1438	utf8::encode $path;	2143	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2145	or return;
1444		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1445	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1446		2154
1447	1	2155	1
1448	}	2156	}
1449		2157
		2158	# used to laod the header of an original map
1450	sub load_header_orig {	2159	sub load_header_orig {
1451	my ($self) = @_;	2160	my ($self) = @_;
1452		2161
1453	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1454	}	2163	}
1455		2164
		2165	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2166	sub load_header_temp {
1457	my ($self) = @_;	2167	my ($self) = @_;
1458		2168
1459	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1460	}	2170	}
1461		2171
		2172	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2173	sub prepare_temp {
1463	my ($self) = @_;	2174	my ($self) = @_;
1464		2175
1465	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1467	# safety	2178	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2181	}
1471		2182
		2183	# called after loading the header from an original map
1472	sub prepare_orig {	2184	sub prepare_orig {
1473	my ($self) = @_;	2185	my ($self) = @_;
1474		2186
1475	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2212
1501	sub find;	2213	sub find;
1502	sub find {	2214	sub find {
1503	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1504		2216
		2217	cf::cede_to_tick;
		2218
1505	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1506		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2223
1509	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1512	or return;	2226	or return;
1513		2227
1514	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1515		2229
…		…
1517	or return;	2231	or return;
1518		2232
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1522	$map->reset;	2238	$map->reset;
1523	undef $guard;
1524	return find $path;	2239	return find $path;
1525	}	2240	}
1526		2241
1527	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1528	}	2243	}
1529	}	2244	}
1530		2245
1531	sub pre_load { }	2246	sub pre_load { }
1532	sub post_load { }	2247	#sub post_load { } # XS
1533		2248
1534	sub load {	2249	sub load {
1535	my ($self) = @_;	2250	my ($self) = @_;
1536		2251
1537	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1538		2253
1539	my $path = $self->{path};	2254	my $path = $self->{path};
1540		2255
1541	{	2256	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1543		2258
		2259	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2261
1548	$self->alloc;	2262	$self->alloc;
1549		2263
1550	$self->pre_load;	2264	$self->pre_load;
1551	Coro::cede;	2265	cf::cede_to_tick;
1552		2266
1553	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1554	or return;	2271	or return;
1555		2272
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1557	if delete $self->{load_original};	2274	if delete $self->{load_original};
1558		2275
1559	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2277	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2280	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1564	}	2285	}
1565	}
1566		2286
1567	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1568	# now do the right thing for maps	2296	# now do the right thing for maps
1569	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2299	unless $self->difficulty;
1572	Coro::cede;	2300	cf::cede_to_tick;
1573		2301
1574	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2303	$self->decay_objects;
1576	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1577	$self->update_buttons;	2305	$self->update_buttons;
1578	Coro::cede;	2306	cf::cede_to_tick;
1579	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2308	}
1583		2309
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1585	}	2312	}
1586		2313
1587	$self->post_load;	2314	$self->post_load;
1588	}
1589		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2322	sub customise_for {
1591	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1592		2324
1593	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2326	if $self->per_player;
…		…
1597	# if $self->per_party;	2329	# if $self->per_party;
1598		2330
1599	$self	2331	$self
1600	}	2332	}
1601		2333
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2334	sub find_sync {
1627	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1628		2336
1629	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1630	}	2342	}
1631		2343
1632	sub do_load_sync {	2344	sub do_load_sync {
1633	my ($map) = @_;	2345	my ($map) = @_;
1634		2346
1635	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1636	}	2352	}
1637		2353
1638	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1640		2356
1641	sub find_async {	2357	sub find_async {
1642	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1643		2359
1644	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1645		2361
1646	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1648	}	2364	}
1649		2365
1650	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1651	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1652	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2373	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2374	$map->load if $v;
		2375	}
1657		2376
1658	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1659	}	2378	}
1660	}	2379	}
1661	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1662	};	2381	};
1663	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1664		2383
1665	()	2384	()
1666	}	2385	}
1667		2386
		2387	# common code, used by both ->save and ->swapout
1668	sub save {	2388	sub _save {
1669	my ($self) = @_;	2389	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2390
1673	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1674		2392
1675	return unless $self->dirty;	2393	return unless $self->dirty;
1676		2394
…		…
1682	return if $self->{deny_save};	2400	return if $self->{deny_save};
1683		2401
1684	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1685		2403
1686	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1688	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1689		2410
1690	if ($uniq) {	2411	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2414	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2416	}
1696	}	2417	}
1697		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1698	sub swap_out {	2427	sub swap_out {
1699	my ($self) = @_;	2428	my ($self) = @_;
1700		2429
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1706	return if $self->players;	2434	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1710	$self->clear;	2445	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2446	}
1713		2447
1714	sub reset_at {	2448	sub reset_at {
1715	my ($self) = @_;	2449	my ($self) = @_;
1716		2450
…		…
1734		2468
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2470
1737	return if $self->players;	2471	return if $self->players;
1738		2472
1739	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1740		2474
1741	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1742		2476
1743	# need to save uniques path	2477	# need to save uniques path
1744	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2480
…		…
1748	if $uniq;	2482	if $uniq;
1749	}	2483	}
1750		2484
1751	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1752		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2489	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2490
1757	$self->unlink_save;	2491	$self->unlink_save;
1758	$self->destroy;	2492	$self->destroy;
1759	}	2493	}
1760		2494
1761	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1762		2496
1763	sub nuke {	2497	sub nuke {
1764	my ($self) = @_;	2498	my ($self) = @_;
1765		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1766	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1767		2504
1768	$self->unlink_save;	2505	$self->unlink_save;
1769		2506
1770	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2512
1776	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1777		2515
1778	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
1779	}	2517	}
1780		2518
1781	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
1782		2520
1783	Returns an arrayref with all map paths of currently instantiated and saved	2521	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2522	maps. May block.
1785		2523
1786	=cut	2524	=cut
1787		2525
1788	sub tmp_maps() {	2526	sub tmp_maps() {
1789	[	2527	[
1790	map {	2528	map {
1791	utf8::decode $_;	2529	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2530	/\.map$/
1793	? normalise $_	2531	? normalise $_
1794	: ()	2532	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2533	} @{ aio_readdir $TMPDIR or [] }
1796	]	2534	]
1797	}	2535	}
1798		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
		2553	}
		2554
1799	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1800		2556
1801	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2558	instantiated unique items. May block.
1803		2559
…		…
1805		2561
1806	sub unique_maps() {	2562	sub unique_maps() {
1807	[	2563	[
1808	map {	2564	map {
1809	utf8::decode $_;	2565	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
1811	? normalise $_	2569	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2571	]
1815	}	2572	}
1816		2573
1817	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1818		2605
1819	=back	2606	=back
1820		2607
1821	=head3 cf::object	2608	=head3 cf::object
1822		2609
…		…
1826		2613
1827	=over 4	2614	=over 4
1828		2615
1829	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1830		2617
1831	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1832		2620
1833	=cut	2621	=cut
1834		2622
1835	sub inv_recursive_;	2623	sub inv_recursive_;
1836	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1839		2627
1840	sub inv_recursive {	2628	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1842	}	2630	}
1843		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1844	package cf;	2660	package cf;
1845		2661
1846	=back	2662	=back
1847		2663
1848	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1857		2673
1858	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1859		2689
1860	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2691	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1865		2695
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2697
1868	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1870	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1873	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1874	}	2723	}
1875		2724
1876	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1877		2726
1878	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1891		2740
1892	=item $player_object->enter_link	2741	=item $player_object->enter_link
1893		2742
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2744
1896	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1898		2749
1899	Will never block.	2750	Will never block.
1900		2751
1901	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1902		2753
…		…
1922	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1923	my ($self) = @_;	2774	my ($self) = @_;
1924		2775
1925	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1926		2777
		2778	++$self->{_link_recursion};
		2779
1927	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1928		2781
1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1930	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
1931		2784
1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1933	}	2786	}
1934		2787
1935	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1936	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
1937		2790
…		…
1954	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1955	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1956		2809
1957	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1960		2813
1961	$map->load;	2814	$map->load;
1962	$map->load_diag;
1963		2815
1964	return unless $self->contr->active;	2816	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2817
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1969	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
1970		2825
		2826	}
		2827
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1972		2829
1973	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
1977		2838
1978	=cut	2839	=cut
1979		2840
1980	our $GOTOGEN;	2841	our $GOTOGEN;
1981		2842
1982	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
1984		2851
1985	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2854
1988	$self->enter_link;	2855	$self->enter_link;
1989		2856
1990	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1991	my $map = eval {	2879	my $map = eval {
1992	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1993		2881
1994	if ($map) {	2882	if ($map) {
1995	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
1997	} else {	2885	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2887	}
2000		2888
2001	$map	2889	$map
2002	};	2890	};
2003		2891
…		…
2008		2896
2009	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2012	}	2900	}
		2901
		2902	$done->($self) if $done;
2013	})->prio (1);	2903	})->prio (1);
2014	}	2904	}
2015		2905
2016	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2017		2907
…		…
2037	}	2927	}
2038		2928
2039	sub prepare_random_map {	2929	sub prepare_random_map {
2040	my ($exit) = @_;	2930	my ($exit) = @_;
2041		2931
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2934	# that depends on the exit object
2047		2935
2048	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2938	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2055	}	2945	}
2056		2946
2057	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2058		2948
2059	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2062		2952
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2955	undef $fh;
2066	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2067		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2070	}	2964	}
2071	}	2965	}
2072		2966
2073	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2075		2969
2076	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2077		2971
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2972	$self->enter_link;
2090		2973
2091	(async {	2974	(async {
2092	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2093	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2094	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2095		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2096	1;	3013	1
2097	}) {	3014	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2102		3019
2103	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2104	$self->leave_link;	3021	$self->leave_link;
2105	}	3022	}
2106	})->prio (1);	3023	})->prio (1);
2107	}	3024	}
2108		3025
…		…
2122		3039
2123	utf8::encode $text;	3040	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	3042	}
2126		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2127	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2128		3232
2129	Sends an exti event to the client.	3233	Sends an ext event to the client.
2130		3234
2131	=cut	3235	=cut
2132		3236
2133	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2135		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2138	}	3260	}
2139		3261
2140	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2141		3263
2142	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3265	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3266	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		3267
2146	Queries can fail, so check the return code. Or don't, as queries will become	3268	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	3269	become reliable at some point in the future.
2148		3270
2149	=cut	3271	=cut
2150		3272
2151	sub cf::client::query {	3273	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	3282	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		3284
2163	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2165	}	3289	}
2166		3290
2167	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2168	on_reply => sub {	3297	on_reply => sub {
2169	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2170		3299
2171	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2172	# get handled first	3301	# get handled first
…		…
2184	} else {	3313	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3315	}
2187	}	3316	}
2188	},	3317	},
		3318	on_exticmd => sub {
		3319	my ($ns, $buf) = @_;
		3320
		3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3322
		3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2189	);	3341	);
2190		3342
2191	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2192		3344
2193	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2209		3361
2210	$coro	3362	$coro
2211	}	3363	}
2212		3364
2213	cf::client->attach (	3365	cf::client->attach (
2214	on_destroy => sub {	3366	on_client_destroy => sub {
2215	my ($ns) = @_;	3367	my ($ns) = @_;
2216		3368
2217	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2218	},	3370	},
2219	);	3371	);
…		…
2234	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2236		3388
2237	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2238		3390
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2240		3396
2241	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2242		3398
2243	=pod	3399	=pod
2244		3400
2245	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2246		3402
2247	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2248	cf::object::player player	3408	cf::object::player
2249	cf::player peaceful	3409	player
2250	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2251		3416
2252	=cut	3417	=cut
2253		3418
2254	for (	3419	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2256	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2259	) {	3426	) {
2260	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2263	for @funs;	3429	for @funs;
2264	}	3430	}
2265		3431
…		…
2280		3446
2281	my $qcode = $code;	3447	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2284		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2285	local $_;	3454	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;
2287		3455
2288	my $eval =	3456	my $eval =
2289	"do {\n"	3457	"do {\n"
2290	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2291	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2292	. $code	3460	. $code
2293	. "\n}"	3461	. "\n}"
2294	;	3462	;
2295		3463
		3464	if ($CFG{safe_eval}) {
2296	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2297	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2298	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2299		3473
2300	if ($@) {	3474	if ($@) {
2301	warn "$@";	3475	warn "$@",
2302	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2303	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2304	}	3478	}
2305		3479
2306	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2307	}	3481	}
2308		3482
…		…
2322	=cut	3496	=cut
2323		3497
2324	sub register_script_function {	3498	sub register_script_function {
2325	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2326		3500
2327	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2328	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2329	}	3503	}
2330		3504
2331	=back	3505	=back
2332		3506
2333	=cut	3507	=cut
2334
2335	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506		3508
2507	#############################################################################	3509	#############################################################################
2508	# the server's init and main functions	3510	# the server's init and main functions
2509		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2510	sub load_facedata($) {	3514	sub load_facedata($) {
2511	my ($path) = @_;	3515	my ($path) = @_;
2512		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2513	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2514		3524
2515	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2516	0 < aio_load $path, $facedata
2517	or die "$path: $!";
2518
2519	$facedata = Coro::Storable::thaw $facedata;
2520		3526
2521	$facedata->{version} == 2	3527	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2524	{	3539	{
2525	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2526		3541
2527	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2532	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
		3552
		3553	cf::cede_to_tick;
2533	}	3554	}
2534		3555
2535	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2537	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2538	or next;	3560	or next;
		3561
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3565	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3567	}
2544	Coro::cede;	3568
		3569	cf::cede_to_tick;
2545	}	3570	}
2546	}	3571	}
2547		3572
2548	{	3573	{
2549	my $anims = $facedata->{animinfo};	3574	my $anims = $facedata->{animinfo};
2550		3575
2551	while (my ($anim, $info) = each %$anims) {	3576	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3578	cf::cede_to_tick;
2554	}	3579	}
2555		3580
2556	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2557	}	3582	}
2558		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
2559	1	3606	1
2560	}	3607	}
2561		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2562	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2563	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
2565	}	3639	}
2566		3640
2567	sub reload_facedata {	3641	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3642	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3643	or die "unable to load facedata\n";
…		…
2577	sub reload_treasures {	3651	sub reload_treasures {
2578	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2579	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2580	}	3654	}
2581		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2582	sub reload_resources {	3676	sub reload_resources {
2583	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2584		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2585	reload_regions;	3684	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3685	reload_treasures;
2590		3686
2591	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2592	}	3688	}
2593		3689
2594	sub init {	3690	sub reload_config {
2595	reload_resources;	3691	trace "reloading config file...\n";
2596	}
2597		3692
2598	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2600	or return;	3695	*CFG = decode_yaml $config;
2601		3696
2602	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;
2604
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2606		3698
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2609		3701
2610	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2614	};	3706	};
2615	warn $@ if $@;	3707	warn $@ if $@;
2616	}	3708	}
2617	}	3709	}
2618		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2619	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2620	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3752	(async {
2624	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2626	};	3756	};
2627		3757
2628	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2629	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2630	load_extensions;	3781	load_extensions;
2631		3782
2632	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2633	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2634	}	3800	}
2635		3801
2636	#############################################################################	3802	#############################################################################
2637	# initialisation and cleanup	3803	# initialisation and cleanup
2638		3804
2639	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2640	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2649	},
2650	);	3811	};
		3812	}
		3813	}
		3814
		3815	sub write_runtime_sync {
		3816	my $t0 = AE::time;
		3817
		3818	# first touch the runtime file to show we are still running:
		3819	# the fsync below can take a very very long time.
		3820
		3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3822
		3823	my $guard = cf::lock_acquire "write_runtime";
		3824
		3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3826	or return;
		3827
		3828	my $value = $cf::RUNTIME + 90 + 10;
		3829	# 10 is the runtime save interval, for a monotonic clock
		3830	# 60 allows for the watchdog to kill the server.
		3831
		3832	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3833	and return;
		3834
		3835	# always fsync - this file is important
		3836	aio_fsync $fh
		3837	and return;
		3838
		3839	# touch it again to show we are up-to-date
		3840	aio_utime $fh, undef, undef;
		3841
		3842	close $fh
		3843	or return;
		3844
		3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3846	and return;
		3847
		3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3849
2651	}	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2652	}	3901	}
2653		3902
2654	sub emergency_save() {	3903	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2656		3905
2657	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2658		3912
2659	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2660	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3924	$pl->save;
2668	}	3925	}
2669	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2670		3927
2671	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2672	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	3933	$map->valid or next;
2675	$map->save;	3934	$map->save;
2676	}	3935	}
2677	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2678		3937
2679	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2682	};	3966	};
2683		3967
2684	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2685	}	3969	}
2686		3970
2687	sub post_cleanup {	3971	sub post_cleanup {
2688	my ($make_core) = @_;	3972	my ($make_core) = @_;
2689		3973
		3974	IO::AIO::flush;
		3975
2690	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
2692	}	4006	}
2693		4007
2694	sub do_reload_perl() {	4008	sub do_reload_perl() {
2695	# can/must only be called in main	4009	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2697	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2698	return;	4012	return;
2699	}	4013	}
2700		4014
2701	warn "reloading...";	4015	return if $RELOAD++;
2702		4016
2703	warn "entering sync_job";	4017	my $t1 = AE::time;
2704		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2705	cf::sync_job {	4025	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark
2707	cf::emergency_save;	4026	#cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark
2709		4027
2710	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;
2712
2713	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();	4030	%EXT_CORO = ();
2734		4031
2735	warn "removing commands";	4032	trace "perl_reload: removing commands";
2736	%COMMAND = ();	4033	%COMMAND = ();
2737		4034
2738	warn "removing ext commands";	4035	trace "perl_reload: removing ext/exti commands";
2739	%EXTCMD = ();	4036	%EXTCMD = ();
		4037	%EXTICMD = ();
2740		4038
2741	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2744		4042
2745	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2746	eval {	4044	eval {
2747	$cb->($pkg);	4045	$cb->($pkg);
2748	1	4046	1
2749	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2750	}	4052	}
2751		4053
2752	warn "... nuking $pkg";
2753	Symbol::delete_package $pkg;
2754	}
2755
2756	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2757	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		4057
2760	warn "... unloading $k";	4058	trace "... unloading $k";
2761	delete $INC{$k};	4059	delete $INC{$k};
2762		4060
2763	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
2765		4063
2766	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
2767	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
2768	}	4069	}
2769		4070
2770	Symbol::delete_package $k;
2771	}
2772
2773	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		4074
2777	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		4078
2781	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
2782	# and global variables created in xs	4080	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
2784		4082
2785	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
2786		4084
2787	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
2788	require cf;	4086	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
2790		4088
2791	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
2792	cf::cfg_load;	4090	cf::reload_config;
2793		4091
2794	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
2795	cf::load_extensions;	4093	cf::load_extensions;
2796		4094
		4095	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
2800	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
2803		4103
2804	warn "leaving sync_job";	4104	cf::_post_init 1;
2805		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
2806	1	4108	1
2807	} or do {	4109	} or do {
2808	warn $@;	4110	error $@;
2809	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
2810	exit 1;	4112	};
		4113
		4114	--$RELOAD;
2811	};	4115	}
2812		4116
2813	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
2814	};	4119	};
2815		4120
2816	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
2817		4122
2818	sub reload_perl() {	4123	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
2821		4126
2822	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	4129
2825	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	4131	do_reload_perl;
2828	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
2829	},	4133	};
2830	);	4134	};
2831	}	4135	}
2832		4136
2833	register_command "reload" => sub {	4137	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
2835		4139
2836	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	4144	reload_perl;
		4145	};
2839	}	4146	}
2840	};	4147	};
2841		4148
2842	unshift @INC, $LIBDIR;	4149	#############################################################################
2843		4150
2844	my $bug_warning = 0;	4151	my $bug_warning = 0;
2845		4152
2846	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;
2848
2849	sub wait_for_tick {	4153	sub wait_for_tick() {
2850	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2851	return if $Coro::current == $Coro::main;
2852		4155
2853	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
2854	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;
2856	}	4157	}
2857		4158
2858	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
2859	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2860	return if $Coro::current == $Coro::main;
2861		4161
2862	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	4164	$signal->wait;
2865	}	4165	}
2866		4166
2867	my $min = 1e6;#d#	4167	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
2879	return;	4171	return;
2880	}	4172	}
2881		4173
2882	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
2883		4175
2884	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2885		4177
2886	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	4180	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
2890	or die;	4182	write_runtime_sync
2891		4183	or error "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	4184	};
		4185	}
2908		4186
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	4188	$sig->send;
2925	}	4189	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
2927	$sig->send;
2928	}
2929		4191
2930	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		4194
2941	_post_tick;	4195	if (0) {
2942		4196	if ($NEXT_TICK) {
2943		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
2944	},	4201	}
2945	);	4202	}
2946		4203
2947	{	4204	{
2948	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	4206
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
2958		4208	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		4210
2974	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		4218
2977	cf::sync_job {	4219	cf::sync_job {
2978	eval {	4220	eval {
2979	BDB::db_env_open	4221	BDB::db_env_open
2980	$DB_ENV,	4222	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	4226	0666;
2985		4227
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	4229	};
2991		4230
2992	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	4232	};
2994	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
2995	}	4244	}
2996		4245
2997	{	4246	{
		4247	# configure IO::AIO
		4248
2998	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	4252	}
3011		4253
3012	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3013		4256
3014	sub _log_backtrace {	4257	sub _log_backtrace {
3015	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3016		4259
3017	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3018		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3019	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3021	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3022	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3023	my @bt = fork_call {	4273	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3035	}	4285	}
3036		4286
3037	@funcs	4287	@funcs
3038	};	4288	};
3039		4289
3040	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	4293	--$_log_backtrace;
3043	};	4294	};
3044	} else {	4295	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3047	}	4298	}
3048	}	4299	}
3049		4300
3050	# load additional modules	4301	# load additional modules
3051	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3052		4304
3053	END { cf::emergency_save }	4305	END { cf::emergency_save }
3054		4306
3055	1	4307	1
3056		4308

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