ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 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 Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	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	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
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	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
211		349
212	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
213		351
214	=over 4	352	=over 4
215		353
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	373	$d
236	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
237	}	375	}
238		376
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
240		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
241	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
242		430
243	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
244		432
245	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
246		434
247	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
248		436
		437	=cut
		438
		439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		440
		441	sub encode_json($) { $json_coder->encode ($_[0]) }
		442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
249	=item cf::lock_wait $string	506	=item cf::lock_wait $string
250		507
251	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
252		509
253	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
254		511
255	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
258	returned.	515	returned.
259		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
260	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
262		522
263	=item $locked = cf::lock_active $string	523	=item $locked = cf::lock_active $string
264		524
265	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
266		526
267	=cut	527	=cut
268		528
269	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
270		530
271	sub lock_wait($) {	531	sub lock_wait($) {
272	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	533	}
280		534
281	sub lock_acquire($) {	535	sub lock_acquire($) {
282	my ($key) = @_;	536	$LOCKS->guard ($_[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	}	537	}
294		538
295	sub lock_active($) {	539	sub lock_active($) {
296	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	541	}
300		542
301	sub freeze_mainloop {	543	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
303		545
304	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	547	}
		548
		549	=item cf::periodic $interval, $cb
		550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
306	};	616	}
307	$TICK_WATCHER->stop;	617	};
308	$guard	618
		619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
		622	my ($time, $pri, $name) = @_;
		623
		624	$time = clamp $time, 0.01, $TICK * .6;
		625
		626	my $sig = new Coro::Signal;
		627
		628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		630	$SLOT_QUEUE->ready;
		631	$sig->wait;
309	}	632	}
310		633
311	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
312		635
313	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		641
319	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
320		643
321	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
322		645
323	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
326		650
327	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
330	fast or be very important.	654	fast or be very important.
…		…
332	=cut	656	=cut
333		657
334	sub sync_job(&) {	658	sub sync_job(&) {
335	my ($job) = @_;	659	my ($job) = @_;
336		660
337	if ($Coro::current == $Coro::main) {	661	if (in_main) {
338	my $time = Event::time;	662	my $time = AE::time;
339		663
340	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
342		666
343	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	668
345	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
346		670
347	my $busy = 1;	671	my $busy = 1;
348	my @res;	672	my @res;
349		673
350	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	676	@res = eval { $job->() };
352	warn $@ if $@;	677	error $@ if $@;
353	undef $busy;	678	undef $busy;
354	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
355		680
356	while ($busy) {	681	while ($busy) {
357	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
358	}	686	}
		687	}
359		688
360	$time = Event::time - $time;	689	my $time = AE::time - $time;
361		690
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	691	$TICK_START += $time; # do not account sync jobs to server load
366		692
367	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
368	} else {	694	} else {
369	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
370		696
…		…
390	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
391		717
392	$coro	718	$coro
393	}	719	}
394		720
395	sub write_runtime {	721	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		722
398	# first touch the runtime file to show we are still running:	723	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	724	process, returning the results. Everything must be serialisable with
		725	Coro::Storable. May, of course, block. Note that the executed sub may
		726	never block itself or use any form of event handling.
400		727
401	IO::AIO::aio_utime $runtime, undef, undef;	728	=cut
402		729
403	my $guard = cf::lock_acquire "write_runtime";	730	sub post_fork {
		731	reset_signals;
		732	}
404		733
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	734	sub fork_call(&@) {
406	or return;	735	my ($cb, @args) = @_;
407		736
408	my $value = $cf::RUNTIME + 90 + 10;	737	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	738	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	739	# TODO: investigate and fix (likely this will be rather laborious)
411		740
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	my @res = Coro::Util::fork_eval {
413	and return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
414		745
415	# always fsync - this file is important	746	wantarray ? @res : $res[-1]
416	aio_fsync $fh	747	}
417	and return;
418		748
419	# touch it again to show we are up-to-date	749	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
		785	}
		786
		787	=item $value = cf::db_get $family => $key
		788
		789	Returns a single value from the environment database.
		790
		791	=item cf::db_put $family => $key => $value
		792
		793	Stores the given C<$value> in the family. It can currently store binary
		794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
		801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
		822
		823	our $DB;
		824
		825	sub db_init {
		826	$DB ||= db_table "db";
		827	}
		828
		829	sub db_get($$) {
		830	my $key = "$_[0]/$_[1]";
		831
		832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
		835	BDB::db_get $DB, undef, $key, my $data;
		836
		837	$! ? ()
		838	: $data
		839	}
		840
		841	sub db_put($$$) {
		842	BDB::dbreq_pri 4;
		843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		844	}
		845
		846	=item cf::cache $id => [$paths...], $processversion => $process
		847
		848	Generic caching function that returns the value of the resource $id,
		849	caching and regenerating as required.
		850
		851	This function can block.
		852
		853	=cut
		854
		855	sub cache {
		856	my ($id, $src, $processversion, $process) = @_;
		857
		858	my $meta =
		859	join "\x00",
		860	$processversion,
		861	map {
		862	aio_stat $_
		863	and Carp::croak "$_: $!";
		864
		865	($_, (stat _)[7,9])
		866	} @$src;
		867
		868	my $dbmeta = db_get cache => "$id/meta";
		869	if ($dbmeta ne $meta) {
		870	# changed, we may need to process
		871
		872	my @data;
		873	my $md5;
		874
		875	for (0 .. $#$src) {
		876	$data[$_] = load_file $src->[$_];
		877	}
		878
		879	# if processing is expensive, check
		880	# checksum first
		881	if (1) {
		882	$md5 =
		883	join "\x00",
		884	$processversion,
		885	map {
		886	cf::cede_to_tick;
		887	($src->[$_], Digest::MD5::md5_hex $data[$_])
		888	} 0.. $#$src;
		889
		890
		891	my $dbmd5 = db_get cache => "$id/md5";
		892	if ($dbmd5 eq $md5) {
		893	db_put cache => "$id/meta", $meta;
		894
		895	return db_get cache => "$id/data";
		896	}
		897	}
		898
		899	my $t1 = Time::HiRes::time;
		900	my $data = $process->(\@data);
		901	my $t2 = Time::HiRes::time;
		902
		903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		904
		905	db_put cache => "$id/data", $data;
		906	db_put cache => "$id/md5" , $md5;
		907	db_put cache => "$id/meta", $meta;
		908
		909	return $data;
		910	}
		911
		912	db_get cache => "$id/data"
431	}	913	}
432		914
433	=item cf::datalog type => key => value, ...	915	=item cf::datalog type => key => value, ...
434		916
435	Log a datalog packet of the given type with the given key-value pairs.	917	Log a datalog packet of the given type with the given key-value pairs.
436		918
437	=cut	919	=cut
438		920
439	sub datalog($@) {	921	sub datalog($@) {
440	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	924	}
443		925
444	=back	926	=back
445		927
446	=cut	928	=cut
447		929
448	#############################################################################	930	#############################################################################
449		931
450	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
451		933
452	Many objects in crossfire are so-called attachable objects. That means you can	934	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")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
455		937
456	In the following description, CLASS can be any of C<global>, C<object>	938	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	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	940	Deliantra).
459		941
460	=over 4	942	=over 4
461		943
462	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
463		945
…		…
507	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
508		990
509	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
511		993
512	Some classes such as crossfire maps and objects can specify attachments	994	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.	995	that are attached at load/instantiate time, thus the need for a name.
514		996
515	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
516		998
517	=over 4	999	=over 4
…		…
641		1123
642	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1126
645	} elsif (ref $type) {	1127	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
647		1129
648	} else {	1130	} else {
649	shift @arg;	1131	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
651	}	1133	}
652	}	1134	}
653	}	1135	}
654		1136
655	sub _object_attach {	1137	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
666	}	1148	}
667		1149
668	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
669	} else {	1151	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1153	}
672		1154
673	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
674	}	1156	}
675		1157
…		…
715	";	1197	";
716	die if $@;	1198	die if $@;
717	}	1199	}
718		1200
719	our $override;	1201	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1202	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1203
722	sub override {	1204	sub override {
723	$override = 1;	1205	$override = 1;
724	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
725	}	1207	}
726		1208
727	sub do_invoke {	1209	sub do_invoke {
728	my $event = shift;	1210	my $event = shift;
729	my $callbacks = shift;	1211	my $callbacks = shift;
730		1212
731	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
732		1214
733	local $override;	1215	local $override;
734		1216
735	for (@$callbacks) {	1217	for (@$callbacks) {
736	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
737		1219
738	if ($@) {	1220	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1222	override;
742	}	1223	}
743		1224
744	return 1 if $override;	1225	return 1 if $override;
745	}	1226	}
746		1227
747	0	1228	0
748	}	1229	}
749		1230
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1232
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1234
754	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
755		1236
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1237	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	1238	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1240
760	=back	1241	=back
761		1242
762	=cut	1243	=cut
763		1244
764	#############################################################################	1245	#############################################################################
765	# object support	1246	# object support
		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
		1281	sub _can_merge {
		1282	my ($ob1, $ob2) = @_;
		1283
		1284	++$SLOW_MERGES;#d#
		1285
		1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
		1288	}
766		1289
767	sub reattach {	1290	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1292	my ($obj) = @_;
770		1293
		1294	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1296
773	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
774		1298
775	@$registry = ();	1299	@$registry = ();
776		1300
…		…
781	for (@$attach) {	1305	for (@$attach) {
782	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
784	}	1308	}
785	} else {	1309	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1311	}
788	}	1312	}
789	}	1313	}
790		1314
791	cf::attachable->attach (	1315	cf::attachable->attach (
792	prio => -1000000,	1316	prio => -1000000,
793	on_instantiate => sub {	1317	on_instantiate => sub {
794	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
795		1319
796	$data = from_json $data;	1320	$data = decode_json $data;
797		1321
798	for (@$data) {	1322	for (@$data) {
799	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
800		1324
801	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1341	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
819		1343
820	sync_job {	1344	sync_job {
821	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
824		1350
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
829	close $fh;	1358	aio_close $fh;
830		1359
831	if (@$objs) {	1360	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
837	close $fh;	1369	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
839	}	1371	}
840	} else {	1372	} else {
841	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
842	}	1374	}
843		1375
844	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1380	} else {
846	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
847	}	1382	}
848	} else {	1383	} else {
849	aio_unlink $filename;	1384	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
851	}	1386	}
852	}	1387	};
853	}	1388	}
854		1389
855	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
857		1392
…		…
869	or return;	1404	or return;
870		1405
871	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
873	or return;	1408	or return;
		1409
874	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
875	}	1412	}
876		1413
		1414	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
879	return ($data, $av);	1419	($data, $av)
880	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
881		1427
882	#############################################################################	1428	#############################################################################
883	# command handling &c	1429	# command handling &c
884		1430
885	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1445	}
900		1446
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1448
903	Register a callbackf ro execution when the client sends an extcmd packet.	1449	Register a callback for execution when the client sends an (synchronous)
		1450	extcmd packet. Ext commands will be processed in the order they are
		1451	received by the server, like other user commands. The first argument is
		1452	the logged-in player. Ext commands can only be processed after a player
		1453	has logged in successfully.
904		1454
905	If the callback returns something, it is sent back as if reply was being	1455	If the callback returns something, it is sent back as if reply was being
906	called.	1456	called.
907		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
908	=cut	1469	=cut
909		1470
910	sub register_extcmd {	1471	sub register_extcmd {
911	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
912		1473
913	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
914	}	1475	}
915		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
916	cf::player->attach (	1485	cf::player->attach (
917	on_command => sub {	1486	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
919		1488
920	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
921	or return;	1490	or return;
922		1491
…		…
927	cf::override;	1496	cf::override;
928	},	1497	},
929	on_extcmd => sub {	1498	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
931		1500
932	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1502
934	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
940	} else {	1515	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1517	}
943		1518
944	cf::override;	1519	cf::override;
945	},	1520	},
946	);	1521	);
947		1522
		1523	# "readahead" all extensions
948	sub load_extension {	1524	sub cache_extensions {
949	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
950		1526
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1529	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	}	1530	}
976	die $@;
977	}	1531	};
978		1532
979	push @EXTS, $pkg;	1533	$grp
980	}	1534	}
981		1535
982	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
983	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1543	next unless -r $path;
985	eval {	1544
986	load_extension $ext;	1545	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1546	my $base = $1;
		1547	my $pkg = $1;
		1548	$pkg =~ s/[^[:word:]]/_/g;
		1549	$pkg = "ext::$pkg";
		1550
		1551	open my $fh, "<:utf8", $path
		1552	or die "$path: $!";
		1553
		1554	my $source = do { local $/; <$fh> };
		1555
		1556	my %ext = (
		1557	path => $path,
		1558	base => $base,
		1559	pkg => $pkg,
		1560	);
		1561
		1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1564
		1565	$ext{source} =
		1566	"package $pkg; use common::sense;\n"
		1567	. "#line 1 \"$path\"\n{\n"
		1568	. $source
		1569	. "\n};\n1";
		1570
		1571	$todo{$base} = \%ext;
		1572	}
		1573
		1574	my $pass = 0;
		1575	my %done;
		1576	while (%todo) {
		1577	my $progress;
		1578
		1579	++$pass;
		1580
		1581	ext:
		1582	while (my ($k, $v) = each %todo) {
		1583	for (split /,\s*/, $v->{meta}{depends}) {
		1584	next ext
		1585	unless exists $done{$_};
		1586	}
		1587
		1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1589
		1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
		1593	error "$v->{path}: $@\n";
		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1596	if exists $v->{meta}{mandatory};
		1597
		1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
		1607	}
987	1	1608	}
988	} or warn "$ext not loaded: $@";	1609
		1610	unless ($progress) {
		1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
		1620	}
989	}	1621	};
990	}	1622	}
991		1623
992	#############################################################################	1624	#############################################################################
993		1625
		1626	=back
		1627
994	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
995		1629
996	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
997		1631
998	=cut	1632	=cut
999		1633
1000	package cf::player;	1634	package cf::player;
1001		1635
1002	use Coro::AIO;	1636	use Coro::AIO;
1003		1637
1004	=head3 cf::player	1638	=head3 cf::player
1005		1639
1006	=over 4	1640	=over 4
		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
1007		1655
1008	=item cf::player::find $login	1656	=item cf::player::find $login
1009		1657
1010	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
1011		1659
…		…
1030		1678
1031	sub exists($) {	1679	sub exists($) {
1032	my ($login) = @_;	1680	my ($login) = @_;
1033		1681
1034	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1036	}	1684	}
1037		1685
1038	sub find($) {	1686	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1688	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1699
1052	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1055	}	1709	}
1056	}	1710	}
1057	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
1058		1725
1059	sub save($) {	1726	sub save($) {
1060	my ($pl) = @_;	1727	my ($pl) = @_;
1061		1728
1062	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1068		1735
1069	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1071		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1743
1072	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1073	Coro::cede;	1745	cf::cede_to_tick;
1074	}	1746	}
1075		1747
1076	sub new($) {	1748	sub new($) {
1077	my ($login) = @_;	1749	my ($login) = @_;
1078		1750
…		…
1084	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1085		1757
1086	$self	1758	$self
1087	}	1759	}
1088		1760
		1761	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1762
		1763	=cut
		1764
		1765	sub send_msg {
		1766	my $ns = shift->ns
		1767	or return;
		1768	$ns->send_msg (@_);
		1769	}
		1770
1089	=item $pl->quit_character	1771	=item $pl->quit_character
1090		1772
1091	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1093		1775
…		…
1097	my ($pl) = @_;	1779	my ($pl) = @_;
1098		1780
1099	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1100		1782
1101	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1785
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1107	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1108		1794
1109	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1146	or return [];	1832	or return [];
1147		1833
1148	my @logins;	1834	my @logins;
1149		1835
1150	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1154		1846
1155	utf8::decode $login;	1847	utf8::decode $login;
1156	push @logins, $login;	1848	push @logins, $login;
1157	}	1849	}
1158		1850
1159	\@logins	1851	\@logins
1160	}	1852	}
1161		1853
1162	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1163		1857
1164	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1165	player. May block.	1859	player. May block.
1166		1860
1167	=cut	1861	=cut
…		…
1185	}	1879	}
1186		1880
1187	\@paths	1881	\@paths
1188	}	1882	}
1189		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1190	=item $player->ext_reply ($msgid, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1191		1889
1192	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1193		1891
1194	=cut	1892	=cut
1195		1893
1196	sub ext_reply($$%) {	1894	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1198		1896
1199	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1898	}
1203		1899
1204	=item $player->ext_event ($type, %msg)	1900	=item $player->ext_msg ($type, @msg)
1205		1901
1206	Sends an ext event to the client.	1902	Sends an ext event to the client.
1207		1903
1208	=cut	1904	=cut
1209		1905
1210	sub ext_event($$%) {	1906	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1907	my ($self, $type, @msg) = @_;
1212		1908
1213	$self->ns->ext_event ($type, %msg);	1909	$self->ns->ext_msg ($type, @msg);
1214	}	1910	}
1215		1911
1216	=head3 cf::region	1912	=head3 cf::region
1217		1913
1218	=over 4	1914	=over 4
…		…
1221		1917
1222	package cf::region;	1918	package cf::region;
1223		1919
1224	=item cf::region::find_by_path $path	1920	=item cf::region::find_by_path $path
1225		1921
1226	Tries to decuce the probable region for a map knowing only its path.	1922	Tries to decuce the likely region for a map knowing only its path.
1227		1923
1228	=cut	1924	=cut
1229		1925
1230	sub find_by_path($) {	1926	sub find_by_path($) {
1231	my ($path) = @_;	1927	my ($path) = @_;
1232		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1233	my ($match, $specificity);	1931	my ($match, $specificity);
1234		1932
1235	for my $region (list) {	1933	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1936	if $region->specificity > $specificity;
1239	}	1937	}
1240	}	1938	}
1241		1939
…		…
1262	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1264		1962
1265	sub generate_random_map {	1963	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1268	$self->_create_random_map (	1968	$self->_create_random_map ($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}), $rmp->{custom}
1280	)
1281	}	1969	}
1282		1970
1283	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1284		1972
1285	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1290		1978
1291	sub register {	1979	sub register {
1292	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1981	my $pkg = caller;
1294		1982
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1984
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1986	}
1300		1987
1301	# also paths starting with '/'	1988	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1990
1304	sub thawer_merge {	1991	sub thawer_merge {
1305	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1306		1993
1307	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1308	local $self->{path};	1995	local $self->{path};
1309	local $self->{load_path};	1996	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1997
1313	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1314	}	1999	}
1315		2000
1316	sub normalise {	2001	sub normalise {
1317	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1318		2003
1319	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1320		2005
1321	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1322		2007
1323	# map plan:	2008	# map plan:
1324	#	2009	#
…		…
1339	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	2025	$path = "$base/$path";
1341	}	2026	}
1342		2027
1343	for ($path) {	2028	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1347	}	2031	}
1348		2032
1349	$path	2033	$path
…		…
1363	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1364	return $self;	2048	return $self;
1365	}	2049	}
1366	}	2050	}
1367		2051
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2053	()
1370	}	2054	}
1371		2055
		2056	# may re-bless or do other evil things
1372	sub init {	2057	sub init {
1373	my ($self) = @_;	2058	my ($self) = @_;
1374		2059
1375	$self	2060	$self
1376	}	2061	}
…		…
1395		2080
1396	# the temporary/swap location	2081	# the temporary/swap location
1397	sub save_path {	2082	sub save_path {
1398	my ($self) = @_;	2083	my ($self) = @_;
1399		2084
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1402	}	2087	}
1403		2088
1404	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1405	sub uniq_path {	2090	sub uniq_path {
1406	my ($self) = @_;	2091	my ($self) = @_;
1407		2092
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1410	}	2095	}
1411		2096
1412	# and all this just because we cannot iterate over	2097	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2098	my ($self) = @_;
1416		2099
1417	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1419	}	2103	}
1420		2104
1421	sub unlink_save {	2105	sub unlink_save {
1422	my ($self) = @_;	2106	my ($self) = @_;
1423		2107
…		…
1428		2112
1429	sub load_header_from($) {	2113	sub load_header_from($) {
1430	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1431		2115
1432	utf8::encode $path;	2116	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2118	or return;
1438		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1439	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1440		2127
1441	1	2128	1
1442	}	2129	}
1443		2130
		2131	# used to laod the header of an original map
1444	sub load_header_orig {	2132	sub load_header_orig {
1445	my ($self) = @_;	2133	my ($self) = @_;
1446		2134
1447	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1448	}	2136	}
1449		2137
		2138	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2139	sub load_header_temp {
1451	my ($self) = @_;	2140	my ($self) = @_;
1452		2141
1453	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1454	}	2143	}
1455		2144
		2145	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2146	sub prepare_temp {
1457	my ($self) = @_;	2147	my ($self) = @_;
1458		2148
1459	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1461	# safety	2151	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2154	}
1465		2155
		2156	# called after loading the header from an original map
1466	sub prepare_orig {	2157	sub prepare_orig {
1467	my ($self) = @_;	2158	my ($self) = @_;
1468		2159
1469	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2172	$self->load_header_orig
1482	or return;	2173	or return;
1483	$self->prepare_orig;	2174	$self->prepare_orig;
1484	}	2175	}
1485		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
1486	$self->default_region (cf::region::find_by_path $self->{path})	2180	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2181	unless $self->default_region;
1488		2182
1489	1	2183	1
1490	}	2184	}
1491		2185
1492	sub find;	2186	sub find;
1493	sub find {	2187	sub find {
1494	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1495		2189
		2190	cf::cede_to_tick;
		2191
1496	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1497		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2196
1500	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1503	or return;	2199	or return;
1504		2200
1505	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1506		2202
1507	$map->load_header	2203	$map->load_header
1508	or return;	2204	or return;
1509		2205
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1513	$map->reset;	2211	$map->reset;
1514	undef $guard;
1515	return find $path;	2212	return find $path;
1516	}	2213	}
1517		2214
1518	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1519	}	2216	}
1520	}	2217	}
1521		2218
1522	sub pre_load { }	2219	sub pre_load { }
1523	sub post_load { }	2220	#sub post_load { } # XS
1524		2221
1525	sub load {	2222	sub load {
1526	my ($self) = @_;	2223	my ($self) = @_;
1527		2224
1528	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1529		2226
1530	my $path = $self->{path};	2227	my $path = $self->{path};
1531		2228
1532	{	2229	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1534		2231
		2232	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2234
1539	$self->alloc;	2235	$self->alloc;
1540		2236
1541	$self->pre_load;	2237	$self->pre_load;
1542	Coro::cede;	2238	cf::cede_to_tick;
1543		2239
1544	$self->_load_objects ($self->{load_path}, 1)	2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1545	or return;	2244	or return;
1546		2245
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1548	if delete $self->{load_original};	2247	if delete $self->{load_original};
1549		2248
1550	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2250	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2253	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1555	}	2258	}
1556	}
1557		2259
1558	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1559	# now do the right thing for maps	2269	# now do the right thing for maps
1560	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2272	unless $self->difficulty;
1563	Coro::cede;	2273	cf::cede_to_tick;
1564		2274
1565	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2276	$self->decay_objects;
1567	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1568	$self->update_buttons;	2278	$self->update_buttons;
1569	Coro::cede;	2279	cf::cede_to_tick;
1570	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2281	}
1574		2282
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1576	}	2285	}
1577		2286
1578	$self->post_load;	2287	$self->post_load;
1579	}
1580		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2295	sub customise_for {
1582	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1583		2297
1584	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2299	if $self->per_player;
1586		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1587	$self	2304	$self
1588	}
1589
1590	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {
1592	my ($map) = @_;
1593
1594	my @diag; # diagonal neighbours
1595
1596	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)
1598	or next;
1599	$neigh = find $neigh, $map
1600	or next;
1601	$neigh->load;
1602
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}
1606
1607	for (@diag) {
1608	my $neigh = find @$_
1609	or next;
1610	$neigh->load;
1611	}
1612	}	2305	}
1613		2306
1614	sub find_sync {	2307	sub find_sync {
1615	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1616		2309
1617	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1618	}	2315	}
1619		2316
1620	sub do_load_sync {	2317	sub do_load_sync {
1621	my ($map) = @_;	2318	my ($map) = @_;
1622		2319
1623	cf::sync_job { $map->load };	2320	# it's a bug to call this from the main context
		2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2322	if $Coro::current == $Coro::main;
		2323
		2324	$map->load;
1624	}	2325	}
1625		2326
1626	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1628		2329
1629	sub find_async {	2330	sub find_async {
1630	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1631		2332
1632	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1633		2334
1634	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1636	}	2337	}
1637		2338
1638	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1639	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1640	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2346	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2347	$map->load if $v;
		2348	}
1645		2349
1646	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1647	}	2351	}
1648	}	2352	}
1649	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1650	};	2354	};
1651	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1652		2356
1653	()	2357	()
1654	}	2358	}
1655		2359
		2360	# common code, used by both ->save and ->swapout
1656	sub save {	2361	sub _save {
1657	my ($self) = @_;	2362	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2363
1661	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1662		2365
1663	return unless $self->dirty;	2366	return unless $self->dirty;
1664		2367
…		…
1670	return if $self->{deny_save};	2373	return if $self->{deny_save};
1671		2374
1672	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1673		2376
1674	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1676	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1677		2383
1678	if ($uniq) {	2384	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2387	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2389	}
1684	}	2390	}
1685		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1686	sub swap_out {	2400	sub swap_out {
1687	my ($self) = @_;	2401	my ($self) = @_;
1688		2402
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1694	return if $self->players;	2407	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
1698	$self->clear;	2418	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2419	}
1701		2420
1702	sub reset_at {	2421	sub reset_at {
1703	my ($self) = @_;	2422	my ($self) = @_;
1704		2423
1705	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1708		2426
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2429
…		…
1722	my ($self) = @_;	2440	my ($self) = @_;
1723		2441
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2443
1726	return if $self->players;	2444	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2445
1729	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
1730		2447
1731	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1732		2449
1733	# need to save uniques path	2450	# need to save uniques path
1734	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2453
…		…
1738	if $uniq;	2455	if $uniq;
1739	}	2456	}
1740		2457
1741	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1742		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2462	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2463
1747	$self->unlink_save;	2464	$self->unlink_save;
1748	$self->destroy;	2465	$self->destroy;
1749	}	2466	}
1750		2467
1751	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1752		2469
1753	sub nuke {	2470	sub nuke {
1754	my ($self) = @_;	2471	my ($self) = @_;
1755		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1756	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1757		2477
1758	$self->unlink_save;	2478	$self->unlink_save;
1759		2479
1760	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2485
1766	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1767		2488
1768	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
		2490	}
		2491
		2492	=item $maps = cf::map::tmp_maps
		2493
		2494	Returns an arrayref with all map paths of currently instantiated and saved
		2495	maps. May block.
		2496
		2497	=cut
		2498
		2499	sub tmp_maps() {
		2500	[
		2501	map {
		2502	utf8::decode $_;
		2503	/\.map$/
		2504	? normalise $_
		2505	: ()
		2506	} @{ aio_readdir $TMPDIR or [] }
		2507	]
		2508	}
		2509
		2510	=item $maps = cf::map::random_maps
		2511
		2512	Returns an arrayref with all map paths of currently instantiated and saved
		2513	random maps. May block.
		2514
		2515	=cut
		2516
		2517	sub random_maps() {
		2518	[
		2519	map {
		2520	utf8::decode $_;
		2521	/\.map$/
		2522	? normalise "?random/$_"
		2523	: ()
		2524	} @{ aio_readdir $RANDOMDIR or [] }
		2525	]
1769	}	2526	}
1770		2527
1771	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1772		2529
1773	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2531	instantiated unique items. May block.
1775		2532
1776	=cut	2533	=cut
1777		2534
1778	sub unique_maps() {	2535	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2536	[
1780	or return;	2537	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2538	utf8::decode $_;
1786	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2541	? ()
1789	push @paths, cf::map::normalise $_;	2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2544	]
1791
1792	\@paths
1793	}	2545	}
1794		2546
1795	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
1796		2578
1797	=back	2579	=back
1798		2580
1799	=head3 cf::object	2581	=head3 cf::object
1800		2582
…		…
1804		2586
1805	=over 4	2587	=over 4
1806		2588
1807	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1808		2590
1809	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
1810		2593
1811	=cut	2594	=cut
1812		2595
1813	sub inv_recursive_;	2596	sub inv_recursive_;
1814	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1817		2600
1818	sub inv_recursive {	2601	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1820	}	2603	}
1821		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
1822	package cf;	2633	package cf;
1823		2634
1824	=back	2635	=back
1825		2636
1826	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1835		2646
1836	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
1837		2662
1838	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2664	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1843		2668
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2670
1846	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1848	} else {	2674	} else {
		2675	my $pl = $self->contr;
		2676
		2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2678	my $dialog = $pl->{npc_dialog};
		2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2680
		2681	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1851	}	2685	}
		2686	}
		2687
		2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2689
		2690	=cut
		2691
		2692	sub cf::object::send_msg {
		2693	my $pl = shift->contr
		2694	or return;
		2695	$pl->send_msg (@_);
1852	}	2696	}
1853		2697
1854	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1855		2699
1856	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1869		2713
1870	=item $player_object->enter_link	2714	=item $player_object->enter_link
1871		2715
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2717
1874	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
1876		2722
1877	Will never block.	2723	Will never block.
1878		2724
1879	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1880		2726
…		…
1900	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2747	my ($self) = @_;
1902		2748
1903	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1904		2750
		2751	++$self->{_link_recursion};
		2752
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2754
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
1909		2757
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2759	}
1912		2760
1913	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
1915		2763
…		…
1932	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1934		2782
1935	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1938		2786
1939	$map->load;	2787	$map->load;
1940	$map->load_diag;
1941		2788
1942	return unless $self->contr->active;	2789	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2790
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
1947	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
1948		2798
		2799	}
		2800
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2802
1951	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2806	the new (success) or old (failed) map position. In either case, $done will
		2807	be called at the end of this process.
		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
1955		2811
1956	=cut	2812	=cut
1957		2813
1958	our $GOTOGEN;	2814	our $GOTOGEN;
1959		2815
1960	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
1962		2824
1963	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2827
1966	$self->enter_link;	2828	$self->enter_link;
1967		2829
1968	(async {	2830	(async {
		2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
1969	my $map = eval {	2852	my $map = eval {
1970	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2854
1972	if ($map) {	2855	if ($map) {
1973	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2858	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2860	}
1978		2861
1979	$map	2862	$map
1980	};	2863	};
1981		2864
…		…
1986		2869
1987	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
1990	}	2873	}
		2874
		2875	$done->($self) if $done;
1991	})->prio (1);	2876	})->prio (1);
1992	}	2877	}
1993		2878
1994	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1995		2880
…		…
2015	}	2900	}
2016		2901
2017	sub prepare_random_map {	2902	sub prepare_random_map {
2018	my ($exit) = @_;	2903	my ($exit) = @_;
2019		2904
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2907	# that depends on the exit object
2025		2908
2026	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2911	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2033	}	2918	}
2034		2919
2035	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2036		2921
2037	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2040		2925
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2928	undef $fh;
2044	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2045		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2048	}	2937	}
2049	}	2938	}
2050		2939
2051	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2053		2942
2054	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2055		2944
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2945	$self->enter_link;
2068		2946
2069	(async {	2947	(async {
2070	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2071	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2072	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2073		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2074	1;	2986	1
2075	}) {	2987	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2992
2081	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2994	$self->leave_link;
2083	}	2995	}
2084	})->prio (1);	2996	})->prio (1);
2085	}	2997	}
2086		2998
…		…
2100		3012
2101	utf8::encode $text;	3013	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	3015	}
2104		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
		3040	}
		3041
		3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3043
		3044	Send a drawinfo or msg packet to the client, formatting the msg for the
		3045	client if neccessary. C<$type> should be a string identifying the type of
		3046	the message, with C<log> being the default. If C<$color> is negative, suppress
		3047	the message unless the client supports the msg packet.
		3048
		3049	=cut
		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
		3165	sub cf::client::send_msg {
		3166	my ($self, $channel, $msg, $color, @extra) = @_;
		3167
		3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
		3170
		3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
		3180	} elsif (ref $channel) {
		3181	# send meta info to client, if not yet sent
		3182	unless (exists $self->{channel}{$channel->{id}}) {
		3183	$self->{channel}{$channel->{id}} = $channel;
		3184	$self->ext_msg (channel_info => $channel);
		3185	}
		3186
		3187	$channel = $channel->{id};
		3188	}
		3189
		3190	return unless @extra || length $msg;
		3191
		3192	# default colour, mask it out
		3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3194	if $color & cf::NDI_DEF;
		3195
		3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
		3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3199	);
		3200
		3201	$self->send_big_packet ($pkt);
		3202	}
		3203
2105	=item $client->ext_event ($type, %msg)	3204	=item $client->ext_msg ($type, @msg)
2106		3205
2107	Sends an exti event to the client.	3206	Sends an ext event to the client.
2108		3207
2109	=cut	3208	=cut
2110		3209
2111	sub cf::client::ext_event($$%) {	3210	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3211	my ($self, $type, @msg) = @_;
2113		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3216	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3218	}
		3219	}
		3220
		3221	=item $client->ext_reply ($msgid, @msg)
		3222
		3223	Sends an ext reply to the client.
		3224
		3225	=cut
		3226
		3227	sub cf::client::ext_reply($$@) {
		3228	my ($self, $id, @msg) = @_;
		3229
		3230	return unless $self->extcmd == 2;
		3231
		3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2116	}	3233	}
2117		3234
2118	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2119		3236
2120	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3240
2124	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3242	become reliable at some point in the future.
2126		3243
2127	=cut	3244	=cut
2128		3245
2129	sub cf::client::query {	3246	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3255	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3257
2141	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2143	}	3262	}
2144		3263
2145	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2146	on_reply => sub {	3270	on_reply => sub {
2147	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2148		3272
2149	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2150	# get handled first	3274	# get handled first
…		…
2162	} else {	3286	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3288	}
2165	}	3289	}
2166	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2167	);	3314	);
2168		3315
2169	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2170		3317
2171	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3334
2188	$coro	3335	$coro
2189	}	3336	}
2190		3337
2191	cf::client->attach (	3338	cf::client->attach (
2192	on_destroy => sub {	3339	on_client_destroy => sub {
2193	my ($ns) = @_;	3340	my ($ns) = @_;
2194		3341
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3343	},
2197	);	3344	);
…		…
2212	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2214		3361
2215	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2216		3363
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2218		3369
2219	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2220		3371
2221	=pod	3372	=pod
2222		3373
2223	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2224		3375
2225	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2226	cf::object::player player	3381	cf::object::player
2227	cf::player peaceful	3382	player
2228	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2229		3389
2230	=cut	3390	=cut
2231		3391
2232	for (	3392	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2237	) {	3399	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3402	for @funs;
2242	}	3403	}
2243		3404
…		…
2258		3419
2259	my $qcode = $code;	3420	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2262		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2263	local $_;	3427	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3428
2266	my $eval =	3429	my $eval =
2267	"do {\n"	3430	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3433	. $code
2271	. "\n}"	3434	. "\n}"
2272	;	3435	;
2273		3436
		3437	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2277		3446
2278	if ($@) {	3447	if ($@) {
2279	warn "$@";	3448	warn "$@",
2280	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2282	}	3451	}
2283		3452
2284	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2285	}	3454	}
2286		3455
…		…
2300	=cut	3469	=cut
2301		3470
2302	sub register_script_function {	3471	sub register_script_function {
2303	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2304		3473
2305	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2307	}	3476	}
2308		3477
2309	=back	3478	=back
2310		3479
2311	=cut	3480	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3481
2485	#############################################################################	3482	#############################################################################
2486	# the server's init and main functions	3483	# the server's init and main functions
2487		3484
2488	sub load_facedata($) {	3485	sub load_facedata($) {
2489	my ($path) = @_;	3486	my ($path) = @_;
2490		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2491	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2492		3495
2493	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3497
2499	$facedata->{version} == 2	3498	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2502	{	3510	{
2503	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2504		3512
2505	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2511	}	3523	}
2512		3524
2513	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2515	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2516	or next;	3529	or next;
		3530
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3534	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3536	}
2522	Coro::cede;	3537
		3538	cf::cede_to_tick;
2523	}	3539	}
2524	}	3540	}
2525		3541
2526	{	3542	{
2527	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2528		3544
2529	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3547	cf::cede_to_tick;
2532	}	3548	}
2533		3549
2534	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2535	}	3551	}
2536		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3564	} else {
		3565	# $RESOURCE{$name} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
2537	1	3574	1
2538	}	3575	}
2539		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($ns, $want) = @_;
		3579
		3580	while (my ($k, $v) = each %$want) {
		3581	$ns->fx_want ($k, $v);
		3582	}
		3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
2540	sub reload_regions {	3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
2541	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3601	or die "unable to load regions file\n";
		3602
		3603	for (cf::region::list) {
		3604	$_->{match} = qr/$_->{match}/
		3605	if exists $_->{match};
		3606	}
2543	}	3607	}
2544		3608
2545	sub reload_facedata {	3609	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3610	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3611	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3619	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2558	}	3622	}
2559		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
2560	sub reload_resources {	3644	sub reload_resources {
2561	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2562		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2563	reload_regions;	3652	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3653	reload_treasures;
2567		3654
2568	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
2569	}	3656	}
2570		3657
2571	sub init {	3658	sub reload_config {
2572	reload_resources;	3659	trace "reloading config file...\n";
2573	}
2574		3660
2575	sub cfg_load {	3661	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3662	utf8::decode $config;
2577	or return;	3663	*CFG = decode_yaml $config;
2578		3664
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3666
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3669
2587	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2591	};	3674	};
2592	warn $@ if $@;	3675	warn $@ if $@;
2593	}	3676	}
2594	}	3677	}
2595		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
2596	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
2597	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3720	(async {
2601	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2603	};	3724	};
2604		3725
2605	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
2606	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
2607	load_extensions;	3749	load_extensions;
2608		3750
2609	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2611	}	3768	}
2612		3769
2613	#############################################################################	3770	#############################################################################
2614	# initialisation and cleanup	3771	# initialisation and cleanup
2615		3772
2616	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2617	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2626	},
2627	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2628	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2629	}	3869	}
2630		3870
2631	sub emergency_save() {	3871	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2633		3873
2634	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2635		3880
2636	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2637	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3892	$pl->save;
2645	}	3893	}
2646	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2647		3895
2648	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3901	$map->valid or next;
2652	$map->save;	3902	$map->save;
2653	}	3903	}
2654	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2655		3905
2656	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3934	};
2660		3935
2661	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2662	}	3937	}
2663		3938
2664	sub post_cleanup {	3939	sub post_cleanup {
2665	my ($make_core) = @_;	3940	my ($make_core) = @_;
2666		3941
		3942	IO::AIO::flush;
		3943
2667	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
2669	}	3974	}
2670		3975
2671	sub do_reload_perl() {	3976	sub do_reload_perl() {
2672	# can/must only be called in main	3977	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2674	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2675	return;	3980	return;
2676	}	3981	}
2677		3982
2678	warn "reloading...";	3983	return if $RELOAD++;
2679		3984
2680	warn "entering sync_job";	3985	my $t1 = AE::time;
2681		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2682	cf::sync_job {	3993	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3994	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3995
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3998	%EXT_CORO = ();
2711		3999
2712	warn "removing commands";	4000	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4001	%COMMAND = ();
2714		4002
2715	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2717		4006
2718	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2721		4010
2722	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4012	eval {
2724	$cb->($pkg);	4013	$cb->($pkg);
2725	1	4014	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2727	}	4020	}
2728		4021
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4025
2737	warn "... unloading $k";	4026	trace "... unloading $k";
2738	delete $INC{$k};	4027	delete $INC{$k};
2739		4028
2740	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2742		4031
2743	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2745	}	4037	}
2746		4038
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4042
2754	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4046
2758	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4048	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2761		4050
2762	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2763		4052
2764	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2765	require cf;	4054	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2767		4056
2768	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4058	cf::reload_config;
2770		4059
2771	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4061	cf::load_extensions;
2773		4062
		4063	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2780		4071
2781	warn "leaving sync_job";	4072	cf::_post_init 1;
2782		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
2783	1	4076	1
2784	} or do {	4077	} or do {
2785	warn $@;	4078	error $@;
2786	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4080	};
		4081
		4082	--$RELOAD;
2788	};	4083	}
2789		4084
2790	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
2791	};	4087	};
2792		4088
2793	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
2794		4090
2795	sub reload_perl() {	4091	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
2798		4094
2799	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4097
2802	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4099	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
2806	},	4101	};
2807	);	4102	};
2808	}	4103	}
2809		4104
2810	register_command "reload" => sub {	4105	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2812		4107
2813	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4112	reload_perl;
		4113	};
2816	}	4114	}
2817	};	4115	};
2818		4116
2819	unshift @INC, $LIBDIR;	4117	#############################################################################
2820		4118
2821	my $bug_warning = 0;	4119	my $bug_warning = 0;
2822		4120
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4121	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4123
2830	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4125	}
2834		4126
2835	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4129
2839	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4132	$signal->wait;
2842	}	4133	}
2843		4134
2844	my $min = 1e6;#d#	4135	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2856	return;	4139	return;
2857	}	4140	}
2858		4141
2859	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
2860		4143
2861	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4145
2863	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4148	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
2867	or die;	4150	write_runtime_sync
2868		4151	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4152	};
		4153	}
2885		4154
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4156	$sig->send;
2902	}	4157	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4159
2907	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4162
2918	_post_tick;	4163	if (0) {
2919		4164	if ($NEXT_TICK) {
2920		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
2921	},	4169	}
2922	);	4170	}
2923		4171
2924	{	4172	{
2925	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4174
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2935		4176	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4178
2951	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4186
2954	cf::sync_job {	4187	cf::sync_job {
2955	eval {	4188	eval {
2956	BDB::db_env_open	4189	BDB::db_env_open
2957	$DB_ENV,	4190	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4194	0666;
2962		4195
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4197	};
2968		4198
2969	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4200	};
2971	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2972	}	4212	}
2973		4213
2974	{	4214	{
		4215	# configure IO::AIO
		4216
2975	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4220	}
2988		4221
2989	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
2990		4224
2991	sub _log_backtrace {	4225	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
2993		4227
2994	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
2995		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
2999	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3000	my @bt = fork_call {	4241	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3012	}	4253	}
3013		4254
3014	@funcs	4255	@funcs
3015	};	4256	};
3016		4257
3017	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4261	--$_log_backtrace;
3020	};	4262	};
3021	} else {	4263	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4266	}
3025	}	4267	}
3026		4268
3027	# load additional modules	4269	# load additional modules
3028	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3029		4272
3030	END { cf::emergency_save }	4273	END { cf::emergency_save }
3031		4274
3032	1	4275	1
3033		4276

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines