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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 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";
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 || []};	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
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
948	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
949	cf::sync_job {	1539	cf::sync_job {
950	my %todo;	1540	my %todo;
951		1541
952	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1543	next unless -r $path;
…		…
967	path => $path,	1557	path => $path,
968	base => $base,	1558	base => $base,
969	pkg => $pkg,	1559	pkg => $pkg,
970	);	1560	);
971		1561
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1564
975	$ext{source} =	1565	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
978	. $source	1568	. $source
979	. "\n};\n1";	1569	. "\n};\n1";
980		1570
981	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
982	}	1572	}
983		1573
		1574	my $pass = 0;
984	my %done;	1575	my %done;
985	while (%todo) {	1576	while (%todo) {
986	my $progress;	1577	my $progress;
987		1578
		1579	++$pass;
		1580
		1581	ext:
988	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1584	next ext
991	unless exists $done{$_};	1585	unless exists $done{$_};
992	}	1586	}
993		1587
994	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1589
996	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1001	warn $msg;	1597
1002	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1599	delete $todo{$k};
1004	}	1600	} else {
1005		1601	$done{$k} = delete $todo{$k};
1006	die $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1007	}	1607	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1608	}
1012		1609
1013	skip:	1610	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1612
		1613	while (my ($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	}
1016	}	1620	}
1017	};	1621	};
1018	}	1622	}
1019		1623
1020	#############################################################################	1624	#############################################################################
1021		1625
		1626	=back
		1627
1022	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1023		1629
1024	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1025		1631
1026	=cut	1632	=cut
1027		1633
1028	package cf::player;	1634	package cf::player;
1029		1635
1030	use Coro::AIO;	1636	use Coro::AIO;
1031		1637
1032	=head3 cf::player	1638	=head3 cf::player
1033		1639
1034	=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	}
1035		1655
1036	=item cf::player::find $login	1656	=item cf::player::find $login
1037		1657
1038	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
1039		1659
…		…
1058		1678
1059	sub exists($) {	1679	sub exists($) {
1060	my ($login) = @_;	1680	my ($login) = @_;
1061		1681
1062	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1064	}	1684	}
1065		1685
1066	sub find($) {	1686	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1688	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1699
1080	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1083	}	1709	}
1084	}	1710	}
1085	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($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	);
1086		1725
1087	sub save($) {	1726	sub save($) {
1088	my ($pl) = @_;	1727	my ($pl) = @_;
1089		1728
1090	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1096		1735
1097	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1099		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
1100	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1101	Coro::cede;	1745	cf::cede_to_tick;
1102	}	1746	}
1103		1747
1104	sub new($) {	1748	sub new($) {
1105	my ($login) = @_;	1749	my ($login) = @_;
1106		1750
…		…
1112	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1113		1757
1114	$self	1758	$self
1115	}	1759	}
1116		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
1117	=item $pl->quit_character	1771	=item $pl->quit_character
1118		1772
1119	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1121		1775
…		…
1125	my ($pl) = @_;	1779	my ($pl) = @_;
1126		1780
1127	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1128		1782
1129	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1130	$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
1131		1785
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1135	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1136		1794
1137	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1174	or return [];	1832	or return [];
1175		1833
1176	my @logins;	1834	my @logins;
1177		1835
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1182		1846
1183	utf8::decode $login;	1847	utf8::decode $login;
1184	push @logins, $login;	1848	push @logins, $login;
1185	}	1849	}
1186		1850
1187	\@logins	1851	\@logins
1188	}	1852	}
1189		1853
1190	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1191		1857
1192	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1193	player. May block.	1859	player. May block.
1194		1860
1195	=cut	1861	=cut
…		…
1213	}	1879	}
1214		1880
1215	\@paths	1881	\@paths
1216	}	1882	}
1217		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1218	=item $player->ext_reply ($msgid, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1219		1889
1220	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1221		1891
1222	=cut	1892	=cut
1223		1893
1224	sub ext_reply($$%) {	1894	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1226		1896
1227	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1898	}
1231		1899
1232	=item $player->ext_event ($type, %msg)	1900	=item $player->ext_msg ($type, @msg)
1233		1901
1234	Sends an ext event to the client.	1902	Sends an ext event to the client.
1235		1903
1236	=cut	1904	=cut
1237		1905
1238	sub ext_event($$%) {	1906	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1907	my ($self, $type, @msg) = @_;
1240		1908
1241	$self->ns->ext_event ($type, %msg);	1909	$self->ns->ext_msg ($type, @msg);
1242	}	1910	}
1243		1911
1244	=head3 cf::region	1912	=head3 cf::region
1245		1913
1246	=over 4	1914	=over 4
…		…
1249		1917
1250	package cf::region;	1918	package cf::region;
1251		1919
1252	=item cf::region::find_by_path $path	1920	=item cf::region::find_by_path $path
1253		1921
1254	Tries to decuce the probable region for a map knowing only its path.	1922	Tries to decuce the likely region for a map knowing only its path.
1255		1923
1256	=cut	1924	=cut
1257		1925
1258	sub find_by_path($) {	1926	sub find_by_path($) {
1259	my ($path) = @_;	1927	my ($path) = @_;
1260		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1261	my ($match, $specificity);	1931	my ($match, $specificity);
1262		1932
1263	for my $region (list) {	1933	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1936	if $region->specificity > $specificity;
1267	}	1937	}
1268	}	1938	}
1269		1939
…		…
1290	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1292		1962
1293	sub generate_random_map {	1963	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1295	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1296	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1308	)
1309	}	1969	}
1310		1970
1311	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1312		1972
1313	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
…		…
1318		1978
1319	sub register {	1979	sub register {
1320	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1981	my $pkg = caller;
1322		1982
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1984
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1986	}
1328		1987
1329	# also paths starting with '/'	1988	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1990
1332	sub thawer_merge {	1991	sub thawer_merge {
1333	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1334		1993
1335	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1340	}	1999	}
1341		2000
1342	sub normalise {	2001	sub normalise {
1343	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1344		2003
1345	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1346		2005
1347	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1348		2007
1349	# map plan:	2008	# map plan:
1350	#	2009	#
…		…
1365	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1366	$path = "$base/$path";	2025	$path = "$base/$path";
1367	}	2026	}
1368		2027
1369	for ($path) {	2028	for ($path) {
1370	redo if s{//}{/};
1371	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1372	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1373	}	2031	}
1374		2032
1375	$path	2033	$path
…		…
1389	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1390	return $self;	2048	return $self;
1391	}	2049	}
1392	}	2050	}
1393		2051
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	2053	()
1396	}	2054	}
1397		2055
		2056	# may re-bless or do other evil things
1398	sub init {	2057	sub init {
1399	my ($self) = @_;	2058	my ($self) = @_;
1400		2059
1401	$self	2060	$self
1402	}	2061	}
…		…
1421		2080
1422	# the temporary/swap location	2081	# the temporary/swap location
1423	sub save_path {	2082	sub save_path {
1424	my ($self) = @_;	2083	my ($self) = @_;
1425		2084
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1428	}	2087	}
1429		2088
1430	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1431	sub uniq_path {	2090	sub uniq_path {
1432	my ($self) = @_;	2091	my ($self) = @_;
1433		2092
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	2095	}
1446		2096
1447	sub decay_objects {	2097	sub decay_objects {
1448	my ($self) = @_;	2098	my ($self) = @_;
1449		2099
…		…
1462		2112
1463	sub load_header_from($) {	2113	sub load_header_from($) {
1464	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1465		2115
1466	utf8::encode $path;	2116	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2118	or return;
1472		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1473	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1474		2127
1475	1	2128	1
1476	}	2129	}
1477		2130
		2131	# used to laod the header of an original map
1478	sub load_header_orig {	2132	sub load_header_orig {
1479	my ($self) = @_;	2133	my ($self) = @_;
1480		2134
1481	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1482	}	2136	}
1483		2137
		2138	# used to laod the header of an instantiated map
1484	sub load_header_temp {	2139	sub load_header_temp {
1485	my ($self) = @_;	2140	my ($self) = @_;
1486		2141
1487	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1488	}	2143	}
1489		2144
		2145	# called after loading the header from an instantiated map
1490	sub prepare_temp {	2146	sub prepare_temp {
1491	my ($self) = @_;	2147	my ($self) = @_;
1492		2148
1493	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1494	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1495	# safety	2151	# safety
1496	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1497	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1498	}	2154	}
1499		2155
		2156	# called after loading the header from an original map
1500	sub prepare_orig {	2157	sub prepare_orig {
1501	my ($self) = @_;	2158	my ($self) = @_;
1502		2159
1503	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1504	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1528		2185
1529	sub find;	2186	sub find;
1530	sub find {	2187	sub find {
1531	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1532		2189
		2190	cf::cede_to_tick;
		2191
1533	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1534		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2196
1537	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1540	or return;	2199	or return;
1541		2200
1542	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1543		2202
…		…
1545	or return;	2204	or return;
1546		2205
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1550	$map->reset;	2211	$map->reset;
1551	undef $guard;
1552	return find $path;	2212	return find $path;
1553	}	2213	}
1554		2214
1555	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1556	}	2216	}
1557	}	2217	}
1558		2218
1559	sub pre_load { }	2219	sub pre_load { }
1560	sub post_load { }	2220	#sub post_load { } # XS
1561		2221
1562	sub load {	2222	sub load {
1563	my ($self) = @_;	2223	my ($self) = @_;
1564		2224
1565	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1566		2226
1567	my $path = $self->{path};	2227	my $path = $self->{path};
1568		2228
1569	{	2229	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1571		2231
		2232	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1573
1574	$self->in_memory (cf::MAP_LOADING);
1575		2234
1576	$self->alloc;	2235	$self->alloc;
1577		2236
1578	$self->pre_load;	2237	$self->pre_load;
1579	Coro::cede;	2238	cf::cede_to_tick;
1580		2239
1581	$self->_load_objects ($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)
1582	or return;	2244	or return;
1583		2245
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1585	if delete $self->{load_original};	2247	if delete $self->{load_original};
1586		2248
1587	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2250	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2253	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1592	}	2258	}
1593	}
1594		2259
1595	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;
1596	# now do the right thing for maps	2269	# now do the right thing for maps
1597	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2272	unless $self->difficulty;
1600	Coro::cede;	2273	cf::cede_to_tick;
1601		2274
1602	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2276	$self->decay_objects;
1604	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1605	$self->update_buttons;	2278	$self->update_buttons;
1606	Coro::cede;	2279	cf::cede_to_tick;
1607	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1608	Coro::cede;
1609	$self->activate;
1610	}	2281	}
1611		2282
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1613	}	2285	}
1614		2286
1615	$self->post_load;	2287	$self->post_load;
1616	}
1617		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2295	sub customise_for {
1619	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1620		2297
1621	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2299	if $self->per_player;
…		…
1625	# if $self->per_party;	2302	# if $self->per_party;
1626		2303
1627	$self	2304	$self
1628	}	2305	}
1629		2306
1630	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {
1632	my ($map) = @_;
1633
1634	my @diag; # diagonal neighbours
1635
1636	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)
1638	or next;
1639	$neigh = find $neigh, $map
1640	or next;
1641	$neigh->load;
1642
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}
1646
1647	for (@diag) {
1648	my $neigh = find @$_
1649	or next;
1650	$neigh->load;
1651	}
1652	}
1653
1654	sub find_sync {	2307	sub find_sync {
1655	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1656		2309
1657	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, $origin
1658	}	2315	}
1659		2316
1660	sub do_load_sync {	2317	sub do_load_sync {
1661	my ($map) = @_;	2318	my ($map) = @_;
1662		2319
1663	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;
1664	}	2325	}
1665		2326
1666	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1668		2329
1669	sub find_async {	2330	sub find_async {
1670	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1671		2332
1672	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1673		2334
1674	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1676	}	2337	}
1677		2338
1678	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1679	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1680	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2346	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2347	$map->load if $v;
		2348	}
1685		2349
1686	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1687	}	2351	}
1688	}	2352	}
1689	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1690	};	2354	};
1691	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1692		2356
1693	()	2357	()
1694	}	2358	}
1695		2359
		2360	# common code, used by both ->save and ->swapout
1696	sub save {	2361	sub _save {
1697	my ($self) = @_;	2362	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2363
1701	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1702		2365
1703	return unless $self->dirty;	2366	return unless $self->dirty;
1704		2367
…		…
1710	return if $self->{deny_save};	2373	return if $self->{deny_save};
1711		2374
1712	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1713		2376
1714	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1716	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1717		2383
1718	if ($uniq) {	2384	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2387	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2389	}
1724	}	2390	}
1725		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1726	sub swap_out {	2400	sub swap_out {
1727	my ($self) = @_;	2401	my ($self) = @_;
1728		2402
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1734	return if $self->players;	2407	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		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
1738	$self->clear;	2418	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2419	}
1741		2420
1742	sub reset_at {	2421	sub reset_at {
1743	my ($self) = @_;	2422	my ($self) = @_;
1744		2423
…		…
1762		2441
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2443
1765	return if $self->players;	2444	return if $self->players;
1766		2445
1767	warn "resetting map ", $self->path;	2446	cf::trace "resetting map ", $self->path, "\n";
1768		2447
1769	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1770		2449
1771	# need to save uniques path	2450	# need to save uniques path
1772	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1773	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1774		2453
…		…
1776	if $uniq;	2455	if $uniq;
1777	}	2456	}
1778		2457
1779	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1780		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2462	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2463
1785	$self->unlink_save;	2464	$self->unlink_save;
1786	$self->destroy;	2465	$self->destroy;
1787	}	2466	}
1788		2467
1789	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1790		2469
1791	sub nuke {	2470	sub nuke {
1792	my ($self) = @_;	2471	my ($self) = @_;
1793		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1794	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1795		2477
1796	$self->unlink_save;	2478	$self->unlink_save;
1797		2479
1798	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2485
1804	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1805		2488
1806	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
1807	}	2490	}
1808		2491
1809	=item $maps = cf::map::tmp_maps	2492	=item $maps = cf::map::tmp_maps
…		…
1851		2534
1852	sub unique_maps() {	2535	sub unique_maps() {
1853	[	2536	[
1854	map {	2537	map {
1855	utf8::decode $_;	2538	utf8::decode $_;
1856	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
1857	? normalise $_	2542	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2544	]
1861	}	2545	}
1862		2546
1863	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	}
1864		2578
1865	=back	2579	=back
1866		2580
1867	=head3 cf::object	2581	=head3 cf::object
1868		2582
…		…
1872		2586
1873	=over 4	2587	=over 4
1874		2588
1875	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1876		2590
1877	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.
1878		2593
1879	=cut	2594	=cut
1880		2595
1881	sub inv_recursive_;	2596	sub inv_recursive_;
1882	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1885		2600
1886	sub inv_recursive {	2601	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1888	}	2603	}
1889		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
1890	package cf;	2633	package cf;
1891		2634
1892	=back	2635	=back
1893		2636
1894	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1900	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>
1901	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
1902	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1903		2646
1904	=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	};
1905		2662
1906	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2664	# with dialog boxes.
1908	#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
1909	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1911		2668
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2670
1914	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1916	} 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 {
1917	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1919	}	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 (@_);
1920	}	2696	}
1921		2697
1922	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1923		2699
1924	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1937		2713
1938	=item $player_object->enter_link	2714	=item $player_object->enter_link
1939		2715
1940	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}>).
1941		2717
1942	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.
1943	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.
1944		2722
1945	Will never block.	2723	Will never block.
1946		2724
1947	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1948		2726
…		…
1968	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2747	my ($self) = @_;
1970		2748
1971	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1972		2750
		2751	++$self->{_link_recursion};
		2752
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2754
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
1977		2757
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2759	}
1980		2760
1981	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
1983		2763
…		…
2000	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2002		2782
2003	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2006		2786
2007	$map->load;	2787	$map->load;
2008	$map->load_diag;
2009		2788
2010	return unless $self->contr->active;	2789	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2790
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2015	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2016		2798
		2799	}
		2800
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2802
2019	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
2020	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2021	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
2022	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 >>.
2023		2811
2024	=cut	2812	=cut
2025		2813
2026	our $GOTOGEN;	2814	our $GOTOGEN;
2027		2815
2028	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2029	my ($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	}
2030		2824
2031	# 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
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2827
2034	$self->enter_link;	2828	$self->enter_link;
2035		2829
2036	(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
2037	my $map = eval {	2852	my $map = eval {
2038	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2039		2854
2040	if ($map) {	2855	if ($map) {
2041	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2858	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2860	}
2046		2861
2047	$map	2862	$map
2048	};	2863	};
2049		2864
…		…
2054		2869
2055	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2058	}	2873	}
		2874
		2875	$done->($self) if $done;
2059	})->prio (1);	2876	})->prio (1);
2060	}	2877	}
2061		2878
2062	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2063		2880
…		…
2083	}	2900	}
2084		2901
2085	sub prepare_random_map {	2902	sub prepare_random_map {
2086	my ($exit) = @_;	2903	my ($exit) = @_;
2087		2904
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2907	# that depends on the exit object
2093		2908
2094	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2911	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2101	}	2918	}
2102		2919
2103	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2104		2921
2105	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2108		2925
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2928	undef $fh;
2112	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2113		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2116	}	2937	}
2117	}	2938	}
2118		2939
2119	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2121		2942
2122	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2123		2944
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2945	$self->enter_link;
2136		2946
2137	(async {	2947	(async {
2138	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2139	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
2140	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2141		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
2142	1;	2986	1
2143	}) {	2987	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "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. "
2146	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2992
2149	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2994	$self->leave_link;
2151	}	2995	}
2152	})->prio (1);	2996	})->prio (1);
2153	}	2997	}
2154		2998
…		…
2168		3012
2169	utf8::encode $text;	3013	utf8::encode $text;
2170	$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);
2171	}	3015	}
2172		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
2173	=item $client->ext_event ($type, %msg)	3204	=item $client->ext_msg ($type, @msg)
2174		3205
2175	Sends an exti event to the client.	3206	Sends an ext event to the client.
2176		3207
2177	=cut	3208	=cut
2178		3209
2179	sub cf::client::ext_event($$%) {	3210	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3211	my ($self, $type, @msg) = @_;
2181		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3216	push @msg, msgtype => "event_$type";
2183	$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]));
2184	}	3233	}
2185		3234
2186	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2187		3236
2188	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2189	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>,
2190	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>.
2191		3240
2192	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
2193	reliable at some point in the future.	3242	become reliable at some point in the future.
2194		3243
2195	=cut	3244	=cut
2196		3245
2197	sub cf::client::query {	3246	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3255	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3257
2209	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2211	}	3262	}
2212		3263
2213	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	},
2214	on_reply => sub {	3270	on_reply => sub {
2215	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2216		3272
2217	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2218	# get handled first	3274	# get handled first
…		…
2230	} else {	3286	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3288	}
2233	}	3289	}
2234	},	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	},
2235	);	3314	);
2236		3315
2237	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2238		3317
2239	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3334
2256	$coro	3335	$coro
2257	}	3336	}
2258		3337
2259	cf::client->attach (	3338	cf::client->attach (
2260	on_destroy => sub {	3339	on_client_destroy => sub {
2261	my ($ns) = @_;	3340	my ($ns) = @_;
2262		3341
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3343	},
2265	);	3344	);
…		…
2280	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2282		3361
2283	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2284		3363
2285	$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	));
2286		3369
2287	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2288		3371
2289	=pod	3372	=pod
2290		3373
2291	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2292		3375
2293	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
2294	cf::object::player player	3381	cf::object::player
2295	cf::player peaceful	3382	player
2296	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2297		3389
2298	=cut	3390	=cut
2299		3391
2300	for (	3392	for (
2301	["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)],
2302	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2305	) {	3399	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3402	for @funs;
2310	}	3403	}
2311		3404
…		…
2326		3419
2327	my $qcode = $code;	3420	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2330		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2331	local $_;	3427	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3428
2334	my $eval =	3429	my $eval =
2335	"do {\n"	3430	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3433	. $code
2339	. "\n}"	3434	. "\n}"
2340	;	3435	;
2341		3436
		3437	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	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	}
2345		3446
2346	if ($@) {	3447	if ($@) {
2347	warn "$@";	3448	warn "$@",
2348	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2350	}	3451	}
2351		3452
2352	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2353	}	3454	}
2354		3455
…		…
2368	=cut	3469	=cut
2369		3470
2370	sub register_script_function {	3471	sub register_script_function {
2371	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2372		3473
2373	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2375	}	3476	}
2376		3477
2377	=back	3478	=back
2378		3479
2379	=cut	3480	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3481
2553	#############################################################################	3482	#############################################################################
2554	# the server's init and main functions	3483	# the server's init and main functions
2555		3484
2556	sub load_facedata($) {	3485	sub load_facedata($) {
2557	my ($path) = @_;	3486	my ($path) = @_;
2558		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
2559	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2560		3495
2561	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2562	0 < aio_load $path, $facedata
2563	or die "$path: $!";
2564
2565	$facedata = Coro::Storable::thaw $facedata;
2566		3497
2567	$facedata->{version} == 2	3498	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		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
2570	{	3510	{
2571	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2572		3512
2573	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2579	}	3523	}
2580		3524
2581	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2583	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2584	or next;	3529	or next;
		3530
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3534	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3536	}
2590	Coro::cede;	3537
		3538	cf::cede_to_tick;
2591	}	3539	}
2592	}	3540	}
2593		3541
2594	{	3542	{
2595	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2596		3544
2597	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3547	cf::cede_to_tick;
2600	}	3548	}
2601		3549
2602	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2603	}	3551	}
2604		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} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
2605	1	3574	1
2606	}	3575	}
2607		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($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	$status
		3593	}
		3594
2608	sub reload_regions {	3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
2609	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2610	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 $_->{match};
		3606	}
2611	}	3607	}
2612		3608
2613	sub reload_facedata {	3609	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3610	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3611	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3619	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2626	}	3622	}
2627		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
2628	sub reload_resources {	3644	sub reload_resources {
2629	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2630		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2631	reload_regions;	3652	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3653	reload_treasures;
2636		3654
2637	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
2638	}	3656	}
2639		3657
2640	sub init {	3658	sub reload_config {
2641	reload_resources;	3659	trace "reloading config file...\n";
2642	}
2643		3660
2644	sub cfg_load {	3661	my $config = load_file "$CONFDIR/config";
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3662	utf8::decode $config;
2646	or return;	3663	*CFG = decode_yaml $config;
2647		3664
2648	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;
2650
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3666
2653	$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};
2654	$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};
2655		3669
2656	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2660	};	3674	};
2661	warn $@ if $@;	3675	warn $@ if $@;
2662	}	3676	}
2663	}	3677	}
2664		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
2665	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
2666	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2668	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#
2669	(async {	3720	(async {
2670	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2672	};	3724	};
2673		3725
2674	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;
2675	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
2676	load_extensions;	3749	load_extensions;
2677		3750
2678	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2679	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;
2680	}	3768	}
2681		3769
2682	#############################################################################	3770	#############################################################################
2683	# initialisation and cleanup	3771	# initialisation and cleanup
2684		3772
2685	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2686	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2695	},
2696	);	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
2697	}	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 };
2698	}	3869	}
2699		3870
2700	sub emergency_save() {	3871	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2702		3873
2703	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;
2704		3880
2705	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2706	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3892	$pl->save;
2714	}	3893	}
2715	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2716		3895
2717	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";
2718	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3901	$map->valid or next;
2721	$map->save;	3902	$map->save;
2722	}	3903	}
2723	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2724		3905
2725	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";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2727	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 $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3934	};
2729		3935
2730	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2731	}	3937	}
2732		3938
2733	sub post_cleanup {	3939	sub post_cleanup {
2734	my ($make_core) = @_;	3940	my ($make_core) = @_;
2735		3941
		3942	IO::AIO::flush;
		3943
2736	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2737	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	}
2738	}	3974	}
2739		3975
2740	sub do_reload_perl() {	3976	sub do_reload_perl() {
2741	# can/must only be called in main	3977	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2743	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2744	return;	3980	return;
2745	}	3981	}
2746		3982
2747	warn "reloading...";	3983	return if $RELOAD++;
2748		3984
2749	warn "entering sync_job";	3985	my $t1 = AE::time;
2750		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
2751	cf::sync_job {	3993	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3994	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3995
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3998	%EXT_CORO = ();
2780		3999
2781	warn "removing commands";	4000	trace "perl_reload: removing commands";
2782	%COMMAND = ();	4001	%COMMAND = ();
2783		4002
2784	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2786		4006
2787	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2790		4010
2791	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2792	eval {	4012	eval {
2793	$cb->($pkg);	4013	$cb->($pkg);
2794	1	4014	1
2795	} 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;
2796	}	4020	}
2797		4021
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		4025
2806	warn "... unloading $k";	4026	trace "... unloading $k";
2807	delete $INC{$k};	4027	delete $INC{$k};
2808		4028
2809	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2811		4031
2812	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2814	}	4037	}
2815		4038
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2821	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);
2822		4042
2823	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		4046
2827	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2828	# and global variables created in xs	4048	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2830		4050
2831	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2832		4052
2833	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2834	require cf;	4054	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2836		4056
2837	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	4058	cf::reload_config;
2839		4059
2840	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	4061	cf::load_extensions;
2842		4062
		4063	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2849		4071
2850	warn "leaving sync_job";	4072	cf::_post_init 1;
2851		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
2852	1	4076	1
2853	} or do {	4077	} or do {
2854	warn $@;	4078	error $@;
2855	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4080	};
		4081
		4082	--$RELOAD;
2857	};	4083	}
2858		4084
2859	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
2860	};	4087	};
2861		4088
2862	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
2863		4090
2864	sub reload_perl() {	4091	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
2867		4094
2868	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4097
2871	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4099	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
2875	},	4101	};
2876	);	4102	};
2877	}	4103	}
2878		4104
2879	register_command "reload" => sub {	4105	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2881		4107
2882	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4112	reload_perl;
		4113	};
2885	}	4114	}
2886	};	4115	};
2887		4116
2888	unshift @INC, $LIBDIR;	4117	#############################################################################
2889		4118
2890	my $bug_warning = 0;	4119	my $bug_warning = 0;
2891		4120
2892	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;
2894
2895	sub wait_for_tick {	4121	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2897	return if $Coro::current == $Coro::main;
2898		4123
2899	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
2900	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;
2902	}	4125	}
2903		4126
2904	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2906	return if $Coro::current == $Coro::main;
2907		4129
2908	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4132	$signal->wait;
2911	}	4133	}
2912		4134
2913	my $min = 1e6;#d#	4135	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2923	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"
2924	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2925	return;	4139	return;
2926	}	4140	}
2927		4141
2928	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
2929		4143
2930	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2931		4145
2932	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	4148	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
2936	or die;	4150	write_runtime_sync
2937		4151	or error "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4152	};
		4153	}
2954		4154
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4156	$sig->send;
2971	}	4157	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
2973	$sig->send;
2974	}
2975		4159
2976	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4162
2987	_post_tick;	4163	if (0) {
2988		4164	if ($NEXT_TICK) {
2989		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
2990	},	4169	}
2991	);	4170	}
2992		4171
2993	{	4172	{
2994	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4174
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3004		4176	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4178
3020	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3021	$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);
3022		4186
3023	cf::sync_job {	4187	cf::sync_job {
3024	eval {	4188	eval {
3025	BDB::db_env_open	4189	BDB::db_env_open
3026	$DB_ENV,	4190	$DB_ENV,
…		…
3028	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
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4194	0666;
3031		4195
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4197	};
3037		4198
3038	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4200	};
3040	}	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	};
3041	}	4212	}
3042		4213
3043	{	4214	{
		4215	# configure IO::AIO
		4216
3044	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4220	}
3057		4221
3058	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3059		4224
3060	sub _log_backtrace {	4225	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3062		4227
3063	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3064		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3068	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3069	my @bt = fork_call {	4241	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	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 |"
3073	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3081	}	4253	}
3082		4254
3083	@funcs	4255	@funcs
3084	};	4256	};
3085		4257
3086	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4261	--$_log_backtrace;
3089	};	4262	};
3090	} else {	4263	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4266	}
3094	}	4267	}
3095		4268
3096	# load additional modules	4269	# load additional modules
3097	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3098		4272
3099	END { cf::emergency_save }	4273	END { cf::emergency_save }
3100		4274
3101	1	4275	1
3102		4276

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