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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	138	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		139
82	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
93		143
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		146
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
100		159
101	binmode STDOUT;	160	binmode STDOUT;
102	binmode STDERR;	161	binmode STDERR;
103		162
104	# read virtual server time, if available	163	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
109	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
110		171
111	mkdir $_	172	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		174
114	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
115		176
116	sub cf::map::normalise;	177	sub cf::map::normalise;
117		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
118	#############################################################################	183	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
121		197
122	=over 4	198	=over 4
123		199
124	=item $cf::UPTIME	200	=item $cf::UPTIME
125		201
126	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.
127		218
128	=item $cf::RUNTIME	219	=item $cf::RUNTIME
129		220
130	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
131	every server tick.	222	every server tick.
…		…
137	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
140	database environment.	231	database environment.
141		232
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	233	=item $cf::LOADAVG
151		234
152	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
157		240
158	The raw value load value from the last tick.	241	The raw value load value from the last tick.
159		242
160	=item %cf::CFG	243	=item %cf::CFG
161		244
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	246	from wherever your confdir points to.
164		247
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		249
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
171	=back	283	=back
172		284
173	=cut	285	=cut
174		286
175	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	294	my $msg = join "", @_;
178		295
179	$msg .= "\n"	296	$msg .= "\n"
180	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
181		298
182	$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;
183		300
184	utf8::encode $msg;
185	LOG llevError, $msg;	301	LOG llevWarn, $msg;
186	};	302	};
187	}	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	};
188		317
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	328	for my $pkg (qw(
200	cf::global cf::attachable	329	cf::global cf::attachable
201	cf::object cf::object::player	330	cf::object cf::object::player
202	cf::client cf::player	331	cf::client cf::player
203	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
204	cf::map cf::party cf::region	334	cf::party cf::region
205	)) {	335	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	337	}
209		338
210	$Event::DIED = sub {	339	$EV::DIED = sub {
211	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
212	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
213		347
214	#############################################################################	348	#############################################################################
215		349
216	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
217		351
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	373	$d
240	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
241	}	375	}
242		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($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
243	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
244		430
245	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
246		432
247	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
248		434
249	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
250		436
251	=cut	437	=cut
252		438
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		440
255	sub to_json ($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		505
258	=item cf::lock_wait $string	506	=item cf::lock_wait $string
259		507
260	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
261		509
262	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
263		511
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
267	returned.	515	returned.
268		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
269	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
270	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
271		522
272	=item $locked = cf::lock_active $string	523	=item $locked = cf::lock_active $string
273		524
274	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.
275		526
276	=cut	527	=cut
277		528
278	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
279		530
280	sub lock_wait($) {	531	sub lock_wait($) {
281	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	533	}
289		534
290	sub lock_acquire($) {	535	sub lock_acquire($) {
291	my ($key) = @_;	536	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	537	}
303		538
304	sub lock_active($) {	539	sub lock_active($) {
305	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	541	}
309		542
310	sub freeze_mainloop {	543	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
312		545
313	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
315	};	616	}
316	$TICK_WATCHER->stop;	617	};
317	$guard	618
		619	sub get_slot($;$$) {
		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	$sig->wait;
318	}	632	}
319		633
320	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
321		635
322	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		641
328	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
329		643
330	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
331		645
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	646	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	647	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	649	acceptable.
336		650
337	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	656	=cut
343		657
344	sub sync_job(&) {	658	sub sync_job(&) {
345	my ($job) = @_;	659	my ($job) = @_;
346		660
347	if ($Coro::current == $Coro::main) {	661	if (in_main) {
348	my $time = Event::time;	662	my $time = AE::time;
349		663
350	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
352		666
353	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	668
355	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
356		670
357	my $busy = 1;	671	my $busy = 1;
358	my @res;	672	my @res;
359		673
360	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	676	@res = eval { $job->() };
362	warn $@ if $@;	677	error $@ if $@;
363	undef $busy;	678	undef $busy;
364	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
365		680
366	while ($busy) {	681	while ($busy) {
367	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
368	}	686	}
		687	}
369		688
370	$time = Event::time - $time;	689	my $time = AE::time - $time;
371		690
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
376		692
377	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
378	} else {	694	} else {
379	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
380		696
…		…
400	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
401		717
402	$coro	718	$coro
403	}	719	}
404		720
405	=item fork_call { }, $args	721	=item fork_call { }, @args
406		722
407	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	726	never block itself or use any form of event handling.
411		727
412	=cut	728	=cut
		729
		730	sub post_fork {
		731	reset_signals;
		732	}
413		733
414	sub fork_call(&@) {	734	sub fork_call(&@) {
415	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
416		736
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	737	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	738	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	739	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		740
422	if (my $pid = fork) {	741	my @res = Coro::Util::fork_eval {
423	close $fh2;	742	cf::post_fork;
		743	&$cb
		744	} @args;
424		745
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	746	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	747	}
427		748
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	749	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	785	}
448		786
449	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
450		788
451	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	791	=item cf::db_put $family => $key => $value
454		792
455	Stores the given C<$value> in the family. It can currently store binary	793	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		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
458	=cut	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	}
459		822
460	our $DB;	823	our $DB;
461		824
462	sub db_init {	825	sub db_init {
463	unless ($DB) {	826	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	827	}
478		828
479	sub db_get($$) {	829	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
481		831
482	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
483	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
484		836
485	$! ? ()	837	$! ? ()
486	: $data	838	: $data
487	}
488	}	839	}
489		840
490	sub db_put($$$) {	841	sub db_put($$$) {
491	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		871
521	my @data;	872	my @data;
522	my $md5;	873	my $md5;
523		874
524	for (0 .. $#$src) {	875	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	877	}
528		878
529	# if processing is expensive, check	879	# if processing is expensive, check
530	# checksum first	880	# checksum first
531	if (1) {	881	if (1) {
532	$md5 =	882	$md5 =
533	join "\x00",	883	join "\x00",
534	$processversion,	884	$processversion,
535	map {	885	map {
536	Coro::cede;	886	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	887	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	888	} 0.. $#$src;
539		889
540		890
541	my $dbmd5 = db_get cache => "$id/md5";	891	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		898
549	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	900	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
552		902
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		904
555	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
558		908
…		…
568		918
569	=cut	919	=cut
570		920
571	sub datalog($@) {	921	sub datalog($@) {
572	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	924	}
575		925
576	=back	926	=back
577		927
578	=cut	928	=cut
579		929
580	#############################################################################	930	#############################################################################
581		931
582	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
583		933
584	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
585	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")
586	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
587		937
588	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>
589	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
590	Crossfire TRT).	940	Deliantra).
591		941
592	=over 4	942	=over 4
593		943
594	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
595		945
…		…
639	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
640		990
641	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
642	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
643		993
644	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		996
647	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
648		998
649	=over 4	999	=over 4
…		…
773		1123
774	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1126
777	} elsif (ref $type) {	1127	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
779		1129
780	} else {	1130	} else {
781	shift @arg;	1131	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
783	}	1133	}
784	}	1134	}
785	}	1135	}
786		1136
787	sub _object_attach {	1137	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
798	}	1148	}
799		1149
800	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
801	} else {	1151	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1153	}
804		1154
805	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
806	}	1156	}
807		1157
…		…
847	";	1197	";
848	die if $@;	1198	die if $@;
849	}	1199	}
850		1200
851	our $override;	1201	our $override;
852	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?
853		1203
854	sub override {	1204	sub override {
855	$override = 1;	1205	$override = 1;
856	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
857	}	1207	}
858		1208
859	sub do_invoke {	1209	sub do_invoke {
860	my $event = shift;	1210	my $event = shift;
861	my $callbacks = shift;	1211	my $callbacks = shift;
862		1212
863	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
864		1214
865	local $override;	1215	local $override;
866		1216
867	for (@$callbacks) {	1217	for (@$callbacks) {
868	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
869		1219
870	if ($@) {	1220	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1222	override;
874	}	1223	}
875		1224
876	return 1 if $override;	1225	return 1 if $override;
877	}	1226	}
878		1227
879	0	1228	0
880	}	1229	}
881		1230
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1232
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1234
886	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
887		1236
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1240
892	=back	1241	=back
893		1242
894	=cut	1243	=cut
895		1244
896	#############################################################################	1245	#############################################################################
897	# 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	}
898		1289
899	sub reattach {	1290	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1292	my ($obj) = @_;
902		1293
		1294	# no longer needed after getting rid of delete_package?
903	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
904		1296
905	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
906		1298
907	@$registry = ();	1299	@$registry = ();
908		1300
…		…
913	for (@$attach) {	1305	for (@$attach) {
914	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
916	}	1308	}
917	} else {	1309	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1311	}
920	}	1312	}
921	}	1313	}
922		1314
923	cf::attachable->attach (	1315	cf::attachable->attach (
924	prio => -1000000,	1316	prio => -1000000,
925	on_instantiate => sub {	1317	on_instantiate => sub {
926	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
927		1319
928	$data = from_json $data;	1320	$data = decode_json $data;
929		1321
930	for (@$data) {	1322	for (@$data) {
931	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
932		1324
933	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1341	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
951		1343
952	sync_job {	1344	sync_job {
953	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
956		1350
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1358	aio_close $fh;
962		1359
963	if (@$objs) {	1360	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1369	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
971	}	1371	}
972	} else {	1372	} else {
973	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
974	}	1374	}
975		1375
976	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1380	} else {
978	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
979	}	1382	}
980	} else {	1383	} else {
981	aio_unlink $filename;	1384	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
983	}	1386	}
984	}	1387	};
985	}	1388	}
986		1389
987	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
989		1392
…		…
1001	or return;	1404	or return;
1002		1405
1003	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1408	or return;
		1409
1006	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
1007	}	1412	}
1008		1413
		1414	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
1011	return ($data, $av);	1419	($data, $av)
1012	}	1420	}
1013		1421
1014	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
1015		1423
1016	=over 4	1424	=over 4
…		…
1070	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1071		1479
1072	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1073	}	1481	}
1074		1482
		1483	use File::Glob ();
		1484
1075	cf::player->attach (	1485	cf::player->attach (
1076	on_command => sub {	1486	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1078		1488
1079	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1080	or return;	1490	or return;
1081		1491
…		…
1089	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1090		1500
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1502
1093	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
1099	} else {	1515	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1517	}
1102		1518
1103	cf::override;	1519	cf::override;
1104	},	1520	},
1105	);	1521	);
1106		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
1107	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1108	cf::sync_job {	1539	cf::sync_job {
1109	my %todo;	1540	my %todo;
1110		1541
1111	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1543	next unless -r $path;
…		…
1130		1561
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1564
1134	$ext{source} =	1565	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1137	. $source	1568	. $source
1138	. "\n};\n1";	1569	. "\n};\n1";
1139		1570
1140	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1141	}	1572	}
1142		1573
		1574	my $pass = 0;
1143	my %done;	1575	my %done;
1144	while (%todo) {	1576	while (%todo) {
1145	my $progress;	1577	my $progress;
1146		1578
		1579	++$pass;
		1580
		1581	ext:
1147	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1584	next ext
1150	unless exists $done{$_};	1585	unless exists $done{$_};
1151	}	1586	}
1152		1587
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1589
1155	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1160	warn $msg;	1597
1161	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1599	delete $todo{$k};
1163	}	1600	} else {
1164		1601	$done{$k} = delete $todo{$k};
1165	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1166	}	1607	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1608	}
1172		1609
1173	skip:	1610	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1620	}
1177	};	1621	};
1178	}	1622	}
1179		1623
1180	#############################################################################	1624	#############################################################################
1181		1625
1182	=back	1626	=back
1183		1627
1184	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1185		1629
1186	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1187		1631
1188	=cut	1632	=cut
1189		1633
1190	package cf::player;	1634	package cf::player;
1191		1635
1192	use Coro::AIO;	1636	use Coro::AIO;
1193		1637
1194	=head3 cf::player	1638	=head3 cf::player
1195		1639
1196	=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	}
1197		1655
1198	=item cf::player::find $login	1656	=item cf::player::find $login
1199		1657
1200	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
1201		1659
…		…
1220		1678
1221	sub exists($) {	1679	sub exists($) {
1222	my ($login) = @_;	1680	my ($login) = @_;
1223		1681
1224	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1226	}	1684	}
1227		1685
1228	sub find($) {	1686	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1688	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1699
1242	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1245	}	1709	}
1246	}	1710	}
1247	}	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	);
1248		1725
1249	sub save($) {	1726	sub save($) {
1250	my ($pl) = @_;	1727	my ($pl) = @_;
1251		1728
1252	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1258		1735
1259	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1263	Coro::cede;	1745	cf::cede_to_tick;
1264	}	1746	}
1265		1747
1266	sub new($) {	1748	sub new($) {
1267	my ($login) = @_;	1749	my ($login) = @_;
1268		1750
…		…
1274	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1275		1757
1276	$self	1758	$self
1277	}	1759	}
1278		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
1279	=item $pl->quit_character	1771	=item $pl->quit_character
1280		1772
1281	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
1282	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1283		1775
…		…
1287	my ($pl) = @_;	1779	my ($pl) = @_;
1288		1780
1289	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1290		1782
1291	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1292	$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
1293		1785
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1297	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1298		1794
1299	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1336	or return [];	1832	or return [];
1337		1833
1338	my @logins;	1834	my @logins;
1339		1835
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1344		1846
1345	utf8::decode $login;	1847	utf8::decode $login;
1346	push @logins, $login;	1848	push @logins, $login;
1347	}	1849	}
1348		1850
1349	\@logins	1851	\@logins
1350	}	1852	}
1351		1853
1352	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1353		1857
1354	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1355	player. May block.	1859	player. May block.
1356		1860
1357	=cut	1861	=cut
…		…
1375	}	1879	}
1376		1880
1377	\@paths	1881	\@paths
1378	}	1882	}
1379		1883
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1885
1382	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1383		1887
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1414		1889
1415	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1416		1891
1417	=cut	1892	=cut
1418		1893
1419	sub ext_reply($$%) {	1894	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1421		1896
1422	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1898	}
1425		1899
1426	=item $player->ext_event ($type, %msg)	1900	=item $player->ext_msg ($type, @msg)
1427		1901
1428	Sends an ext event to the client.	1902	Sends an ext event to the client.
1429		1903
1430	=cut	1904	=cut
1431		1905
1432	sub ext_event($$%) {	1906	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1907	my ($self, $type, @msg) = @_;
1434		1908
1435	$self->ns->ext_event ($type, %msg);	1909	$self->ns->ext_msg ($type, @msg);
1436	}	1910	}
1437		1911
1438	=head3 cf::region	1912	=head3 cf::region
1439		1913
1440	=over 4	1914	=over 4
…		…
1450	=cut	1924	=cut
1451		1925
1452	sub find_by_path($) {	1926	sub find_by_path($) {
1453	my ($path) = @_;	1927	my ($path) = @_;
1454		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1455	my ($match, $specificity);	1931	my ($match, $specificity);
1456		1932
1457	for my $region (list) {	1933	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1936	if $region->specificity > $specificity;
1461	}	1937	}
1462	}	1938	}
1463		1939
…		…
1484	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1486		1962
1487	sub generate_random_map {	1963	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1489	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1490	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1498	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1499	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1501	(cf::region::find $rmp->{region}), $rmp->{custom}
1502	)
1503	}	1969	}
1504		1970
1505	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1506		1972
1507	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
…		…
1512		1978
1513	sub register {	1979	sub register {
1514	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1981	my $pkg = caller;
1516		1982
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1984
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1986	}
1522		1987
1523	# also paths starting with '/'	1988	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1990
1526	sub thawer_merge {	1991	sub thawer_merge {
1527	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1528		1993
1529	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1534	}	1999	}
1535		2000
1536	sub normalise {	2001	sub normalise {
1537	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1538		2003
1539	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1540		2005
1541	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1542		2007
1543	# map plan:	2008	# map plan:
1544	#	2009	#
…		…
1559	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1560	$path = "$base/$path";	2025	$path = "$base/$path";
1561	}	2026	}
1562		2027
1563	for ($path) {	2028	for ($path) {
1564	redo if s{//}{/};
1565	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1566	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1567	}	2031	}
1568		2032
1569	$path	2033	$path
…		…
1583	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1584	return $self;	2048	return $self;
1585	}	2049	}
1586	}	2050	}
1587		2051
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1589	()	2053	()
1590	}	2054	}
1591		2055
		2056	# may re-bless or do other evil things
1592	sub init {	2057	sub init {
1593	my ($self) = @_;	2058	my ($self) = @_;
1594		2059
1595	$self	2060	$self
1596	}	2061	}
…		…
1615		2080
1616	# the temporary/swap location	2081	# the temporary/swap location
1617	sub save_path {	2082	sub save_path {
1618	my ($self) = @_;	2083	my ($self) = @_;
1619		2084
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1622	}	2087	}
1623		2088
1624	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1625	sub uniq_path {	2090	sub uniq_path {
1626	my ($self) = @_;	2091	my ($self) = @_;
1627		2092
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	2095	}
1640		2096
1641	sub decay_objects {	2097	sub decay_objects {
1642	my ($self) = @_;	2098	my ($self) = @_;
1643		2099
…		…
1656		2112
1657	sub load_header_from($) {	2113	sub load_header_from($) {
1658	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1659		2115
1660	utf8::encode $path;	2116	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	2118	or return;
1666		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1667	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1668		2127
1669	1	2128	1
1670	}	2129	}
1671		2130
		2131	# used to laod the header of an original map
1672	sub load_header_orig {	2132	sub load_header_orig {
1673	my ($self) = @_;	2133	my ($self) = @_;
1674		2134
1675	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1676	}	2136	}
1677		2137
		2138	# used to laod the header of an instantiated map
1678	sub load_header_temp {	2139	sub load_header_temp {
1679	my ($self) = @_;	2140	my ($self) = @_;
1680		2141
1681	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1682	}	2143	}
1683		2144
		2145	# called after loading the header from an instantiated map
1684	sub prepare_temp {	2146	sub prepare_temp {
1685	my ($self) = @_;	2147	my ($self) = @_;
1686		2148
1687	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1688	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1689	# safety	2151	# safety
1690	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1691	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1692	}	2154	}
1693		2155
		2156	# called after loading the header from an original map
1694	sub prepare_orig {	2157	sub prepare_orig {
1695	my ($self) = @_;	2158	my ($self) = @_;
1696		2159
1697	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1698	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1722		2185
1723	sub find;	2186	sub find;
1724	sub find {	2187	sub find {
1725	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1726		2189
		2190	cf::cede_to_tick;
		2191
1727	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1728		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2196
1731	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1734	or return;	2199	or return;
1735		2200
1736	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1737		2202
…		…
1739	or return;	2204	or return;
1740		2205
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1744	$map->reset;	2211	$map->reset;
1745	undef $guard;
1746	return find $path;	2212	return find $path;
1747	}	2213	}
1748		2214
1749	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1750	}	2216	}
1751	}	2217	}
1752		2218
1753	sub pre_load { }	2219	sub pre_load { }
1754	sub post_load { }	2220	#sub post_load { } # XS
1755		2221
1756	sub load {	2222	sub load {
1757	my ($self) = @_;	2223	my ($self) = @_;
1758		2224
1759	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1760		2226
1761	my $path = $self->{path};	2227	my $path = $self->{path};
1762		2228
1763	{	2229	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1765		2231
		2232	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1767
1768	$self->in_memory (cf::MAP_LOADING);
1769		2234
1770	$self->alloc;	2235	$self->alloc;
1771		2236
1772	$self->pre_load;	2237	$self->pre_load;
1773	Coro::cede;	2238	cf::cede_to_tick;
1774		2239
1775	$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)
1776	or return;	2244	or return;
1777		2245
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1779	if delete $self->{load_original};	2247	if delete $self->{load_original};
1780		2248
1781	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2250	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2253	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1786	}	2258	}
1787	}
1788		2259
1789	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;
1790	# now do the right thing for maps	2269	# now do the right thing for maps
1791	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2272	unless $self->difficulty;
1794	Coro::cede;	2273	cf::cede_to_tick;
1795		2274
1796	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2276	$self->decay_objects;
1798	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1799	$self->update_buttons;	2278	$self->update_buttons;
1800	Coro::cede;	2279	cf::cede_to_tick;
1801	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1802	Coro::cede;
1803	$self->activate;
1804	}	2281	}
1805		2282
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1807	}	2285	}
1808		2286
1809	$self->post_load;	2287	$self->post_load;
1810	}
1811		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
1812	sub customise_for {	2295	sub customise_for {
1813	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1814		2297
1815	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2299	if $self->per_player;
…		…
1819	# if $self->per_party;	2302	# if $self->per_party;
1820		2303
1821	$self	2304	$self
1822	}	2305	}
1823		2306
1824	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {
1826	my ($map) = @_;
1827
1828	my @diag; # diagonal neighbours
1829
1830	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)
1832	or next;
1833	$neigh = find $neigh, $map
1834	or next;
1835	$neigh->load;
1836
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}
1840
1841	for (@diag) {
1842	my $neigh = find @$_
1843	or next;
1844	$neigh->load;
1845	}
1846	}
1847
1848	sub find_sync {	2307	sub find_sync {
1849	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1850		2309
1851	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
1852	}	2315	}
1853		2316
1854	sub do_load_sync {	2317	sub do_load_sync {
1855	my ($map) = @_;	2318	my ($map) = @_;
1856		2319
1857	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;
1858	}	2325	}
1859		2326
1860	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1862		2329
1863	sub find_async {	2330	sub find_async {
1864	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1865		2332
1866	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1867		2334
1868	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1870	}	2337	}
1871		2338
1872	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1873	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1874	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2346	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2347	$map->load if $v;
		2348	}
1879		2349
1880	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1881	}	2351	}
1882	}	2352	}
1883	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1884	};	2354	};
1885	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1886		2356
1887	()	2357	()
1888	}	2358	}
1889		2359
		2360	# common code, used by both ->save and ->swapout
1890	sub save {	2361	sub _save {
1891	my ($self) = @_;	2362	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2363
1895	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1896		2365
1897	return unless $self->dirty;	2366	return unless $self->dirty;
1898		2367
…		…
1904	return if $self->{deny_save};	2373	return if $self->{deny_save};
1905		2374
1906	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1907		2376
1908	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1910	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1911		2383
1912	if ($uniq) {	2384	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2387	} else {
1916	$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);
1917	}	2389	}
1918	}	2390	}
1919		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1920	sub swap_out {	2400	sub swap_out {
1921	my ($self) = @_;	2401	my ($self) = @_;
1922		2402
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1928	return if $self->players;	2407	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		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
1932	$self->clear;	2418	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2419	}
1935		2420
1936	sub reset_at {	2421	sub reset_at {
1937	my ($self) = @_;	2422	my ($self) = @_;
1938		2423
…		…
1956		2441
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2443
1959	return if $self->players;	2444	return if $self->players;
1960		2445
1961	warn "resetting map ", $self->path;	2446	cf::trace "resetting map ", $self->path, "\n";
1962		2447
1963	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1964		2449
1965	# need to save uniques path	2450	# need to save uniques path
1966	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1967	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1968		2453
…		…
1970	if $uniq;	2455	if $uniq;
1971	}	2456	}
1972		2457
1973	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1974		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2462	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2463
1979	$self->unlink_save;	2464	$self->unlink_save;
1980	$self->destroy;	2465	$self->destroy;
1981	}	2466	}
1982		2467
1983	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1984		2469
1985	sub nuke {	2470	sub nuke {
1986	my ($self) = @_;	2471	my ($self) = @_;
1987		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1988	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1989		2477
1990	$self->unlink_save;	2478	$self->unlink_save;
1991		2479
1992	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2485
1998	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1999		2488
2000	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
2001	}	2490	}
2002		2491
2003	=item $maps = cf::map::tmp_maps	2492	=item $maps = cf::map::tmp_maps
…		…
2045		2534
2046	sub unique_maps() {	2535	sub unique_maps() {
2047	[	2536	[
2048	map {	2537	map {
2049	utf8::decode $_;	2538	utf8::decode $_;
2050	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2051	? normalise $_	2542	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2544	]
2055	}	2545	}
2056		2546
2057	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	}
2058		2578
2059	=back	2579	=back
2060		2580
2061	=head3 cf::object	2581	=head3 cf::object
2062		2582
…		…
2066		2586
2067	=over 4	2587	=over 4
2068		2588
2069	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2070		2590
2071	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.
2072		2593
2073	=cut	2594	=cut
2074		2595
2075	sub inv_recursive_;	2596	sub inv_recursive_;
2076	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2079		2600
2080	sub inv_recursive {	2601	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2082	}	2603	}
2083		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
2084	package cf;	2633	package cf;
2085		2634
2086	=back	2635	=back
2087		2636
2088	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
2094	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>
2095	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
2096	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2097		2646
2098	=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	};
2099		2662
2100	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2664	# with dialog boxes.
2102	#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
2103	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
2110		2673
2111	} else {	2674	} else {
2112	my $pl = $self->contr;	2675	my $pl = $self->contr;
2113		2676
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2680
2123	} else {	2681	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2684	}
2127	}	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 (@_);
2128	}	2696	}
2129		2697
2130	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
2131		2699
2132	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
2145		2713
2146	=item $player_object->enter_link	2714	=item $player_object->enter_link
2147		2715
2148	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}>).
2149		2717
2150	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.
2151	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.
2152		2722
2153	Will never block.	2723	Will never block.
2154		2724
2155	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2156		2726
…		…
2176	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2747	my ($self) = @_;
2178		2748
2179	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2180		2750
		2751	++$self->{_link_recursion};
		2752
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2754
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2185		2757
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2759	}
2188		2760
2189	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2191		2763
…		…
2208	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2210		2782
2211	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2214		2786
2215	$map->load;	2787	$map->load;
2216	$map->load_diag;
2217		2788
2218	return unless $self->contr->active;	2789	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2790
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2223	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2224		2798
		2799	}
		2800
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2802
2227	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
2228	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2229	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
2230	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 >>.
2231		2811
2232	=cut	2812	=cut
2233		2813
2234	our $GOTOGEN;	2814	our $GOTOGEN;
2235		2815
2236	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2237	my ($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	}
2238		2824
2239	# 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
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2827
2242	$self->enter_link;	2828	$self->enter_link;
2243		2829
2244	(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
2245	my $map = eval {	2852	my $map = eval {
2246	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2247		2854
2248	if ($map) {	2855	if ($map) {
2249	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2858	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2860	}
2254		2861
2255	$map	2862	$map
2256	};	2863	};
2257		2864
…		…
2262		2869
2263	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2266	}	2873	}
		2874
		2875	$done->($self) if $done;
2267	})->prio (1);	2876	})->prio (1);
2268	}	2877	}
2269		2878
2270	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2271		2880
…		…
2291	}	2900	}
2292		2901
2293	sub prepare_random_map {	2902	sub prepare_random_map {
2294	my ($exit) = @_;	2903	my ($exit) = @_;
2295		2904
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2907	# that depends on the exit object
2301		2908
2302	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2911	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2309	}	2918	}
2310		2919
2311	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2312		2921
2313	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2316		2925
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2928	undef $fh;
2320	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2321		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2324	}	2937	}
2325	}	2938	}
2326		2939
2327	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2329		2942
2330	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2331		2944
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2945	$self->enter_link;
2344		2946
2345	(async {	2947	(async {
2346	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2347	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
2348	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2349		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
2350	1;	2986	1
2351	}) {	2987	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "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. "
2354	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2992
2357	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2994	$self->leave_link;
2359	}	2995	}
2360	})->prio (1);	2996	})->prio (1);
2361	}	2997	}
2362		2998
…		…
2376		3012
2377	utf8::encode $text;	3013	utf8::encode $text;
2378	$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);
2379	}	3015	}
2380		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
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		3043
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	3045	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	3046	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	3047	the message unless the client supports the msg packet.
2387		3048
2388	=cut	3049	=cut
2389		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" => $CHAT_CHANNEL,
		3163	);
		3164
2390	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3167
2393	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2394		3170
2395	if ($self->can_msg) {	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3172
2408	if ($color >= 0) {	3173	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3174	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3175	$channel = $CHANNEL{$channel};
2411	} else {	3176
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3177	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	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);
2414	}	3185	}
2415	}
2416	}
2417	}
2418		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
2419	=item $client->ext_event ($type, %msg)	3204	=item $client->ext_msg ($type, @msg)
2420		3205
2421	Sends an ext event to the client.	3206	Sends an ext event to the client.
2422		3207
2423	=cut	3208	=cut
2424		3209
2425	sub cf::client::ext_event($$%) {	3210	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3211	my ($self, $type, @msg) = @_;
2427		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3216	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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]));
2430	}	3233	}
2431		3234
2432	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2433		3236
2434	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2490		3293
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		3295
2493	if (ref $msg) {	3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3301	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	3302	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
2500	} else {	3308	} else {
2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2502	}	3310	}
2503		3311
2504	cf::override;	3312	cf::override;
2505	},	3313	},
2506	);	3314	);
…		…
2526		3334
2527	$coro	3335	$coro
2528	}	3336	}
2529		3337
2530	cf::client->attach (	3338	cf::client->attach (
2531	on_destroy => sub {	3339	on_client_destroy => sub {
2532	my ($ns) = @_;	3340	my ($ns) = @_;
2533		3341
2534	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2535	},	3343	},
2536	);	3344	);
…		…
2551	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2553		3361
2554	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2555		3363
2556	$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	));
2557		3369
2558	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2559		3371
2560	=pod	3372	=pod
2561		3373
2562	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2563		3375
2564	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
2565	cf::object::player player	3381	cf::object::player
2566	cf::player peaceful	3382	player
2567	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2568		3389
2569	=cut	3390	=cut
2570		3391
2571	for (	3392	for (
2572	["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)],
2573	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2575	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2576	) {	3399	) {
2577	no strict 'refs';
2578	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2579	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2580	for @funs;	3402	for @funs;
2581	}	3403	}
2582		3404
…		…
2597		3419
2598	my $qcode = $code;	3420	my $qcode = $code;
2599	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2600	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2601		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2602	local $_;	3427	local $_;
2603	local @safe::cf::_safe_eval_args = values %vars;
2604		3428
2605	my $eval =	3429	my $eval =
2606	"do {\n"	3430	"do {\n"
2607	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2608	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2609	. $code	3433	. $code
2610	. "\n}"	3434	. "\n}"
2611	;	3435	;
2612		3436
		3437	if ($CFG{safe_eval}) {
2613	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2614	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2615	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	}
2616		3446
2617	if ($@) {	3447	if ($@) {
2618	warn "$@";	3448	warn "$@",
2619	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2620	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2621	}	3451	}
2622		3452
2623	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2624	}	3454	}
2625		3455
…		…
2639	=cut	3469	=cut
2640		3470
2641	sub register_script_function {	3471	sub register_script_function {
2642	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2643		3473
2644	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2645	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2646	}	3476	}
2647		3477
2648	=back	3478	=back
2649		3479
2650	=cut	3480	=cut
…		…
2653	# the server's init and main functions	3483	# the server's init and main functions
2654		3484
2655	sub load_facedata($) {	3485	sub load_facedata($) {
2656	my ($path) = @_;	3486	my ($path) = @_;
2657		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
2658	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2659		3495
2660	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2661	0 < aio_load $path, $facedata
2662	or die "$path: $!";
2663
2664	$facedata = Coro::Storable::thaw $facedata;
2665		3497
2666	$facedata->{version} == 2	3498	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		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
2669	{	3510	{
2670	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2671		3512
2672	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2677	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2678	}	3523	}
2679		3524
2680	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2682	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2683	or next;	3529	or next;
		3530
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3534	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3536	}
2689	Coro::cede;	3537
		3538	cf::cede_to_tick;
2690	}	3539	}
2691	}	3540	}
2692		3541
2693	{	3542	{
2694	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2695		3544
2696	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3547	cf::cede_to_tick;
2699	}	3548	}
2700		3549
2701	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2702	}	3551	}
2703		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
2704	1	3574	1
2705	}	3575	}
2706		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
2707	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
2708	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2709	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	}
2710	}	3607	}
2711		3608
2712	sub reload_facedata {	3609	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3610	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3611	or die "unable to load facedata\n";
2715	}	3612	}
2716		3613
2717	sub reload_archetypes {	3614	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3617	}
2726		3618
2727	sub reload_treasures {	3619	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2730	}	3622	}
2731		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
2732	sub reload_resources {	3644	sub reload_resources {
2733	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2734		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2735	reload_regions;	3652	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3653	reload_treasures;
2740		3654
2741	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
2742	}	3656	}
2743		3657
2744	sub init {	3658	sub reload_config {
2745	reload_resources;	3659	trace "reloading config file...\n";
2746	}
2747		3660
2748	sub cfg_load {	3661	my $config = load_file "$CONFDIR/config";
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3662	utf8::decode $config;
2750	or return;	3663	*CFG = decode_yaml $config;
2751		3664
2752	local $/;
2753	*CFG = YAML::Syck::Load <$fh>;
2754
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2756		3666
2757	$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};
2758	$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};
2759		3669
2760	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2764	};	3674	};
2765	warn $@ if $@;	3675	warn $@ if $@;
2766	}	3676	}
2767	}	3677	}
2768		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
2769	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
2770	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2772	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#
2773	(async {	3720	(async {
2774	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2776	};	3724	};
2777		3725
2778	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;
2779	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
2780	load_extensions;	3749	load_extensions;
2781		3750
2782	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2783	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;
2784	}	3768	}
2785		3769
2786	#############################################################################	3770	#############################################################################
2787	# initialisation and cleanup	3771	# initialisation and cleanup
2788		3772
2789	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2790	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2799	},
2800	);	3779	};
2801	}	3780	}
2802	}	3781	}
2803		3782
2804	sub write_runtime {	3783	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
2806		3785
2807	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
2809		3788
2810	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3790
2812	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
2813		3792
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2815	or return;	3794	or return;
2816		3795
2817	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
2830		3809
2831	close $fh	3810	close $fh
2832	or return;	3811	or return;
2833		3812
2834	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3814	and return;
2836		3815
2837	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2838		3817
2839	1	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 };
2840	}	3869	}
2841		3870
2842	sub emergency_save() {	3871	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2844		3873
2845	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;
2846		3880
2847	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2848	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3892	$pl->save;
2856	}	3893	}
2857	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2858		3895
2859	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";
2860	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3901	$map->valid or next;
2863	$map->save;	3902	$map->save;
2864	}	3903	}
2865	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2866		3905
2867	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";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2869	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
2870	};	3934	};
2871		3935
2872	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2873	}	3937	}
2874		3938
2875	sub post_cleanup {	3939	sub post_cleanup {
2876	my ($make_core) = @_;	3940	my ($make_core) = @_;
2877		3941
		3942	IO::AIO::flush;
		3943
2878	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2879	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	}
2880	}	3974	}
2881		3975
2882	sub do_reload_perl() {	3976	sub do_reload_perl() {
2883	# can/must only be called in main	3977	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2885	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2886	return;	3980	return;
2887	}	3981	}
2888		3982
2889	warn "reloading...";	3983	return if $RELOAD++;
2890		3984
2891	warn "entering sync_job";	3985	my $t1 = AE::time;
2892		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2893	cf::sync_job {	3993	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark
2895	cf::emergency_save;	3994	#cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark
2897		3995
2898	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;
2900
2901	# if anything goes wrong in here, we should simply crash as we already saved
2902
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;
2914	warn "iterate...";
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();	3998	%EXT_CORO = ();
2922		3999
2923	warn "removing commands";	4000	trace "perl_reload: removing commands";
2924	%COMMAND = ();	4001	%COMMAND = ();
2925		4002
2926	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
2927	%EXTCMD = ();	4004	%EXTCMD = ();
2928	%EXTICMD = ();	4005	%EXTICMD = ();
2929		4006
2930	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2933		4010
2934	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2935	eval {	4012	eval {
2936	$cb->($pkg);	4013	$cb->($pkg);
2937	1	4014	1
2938	} 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;
2939	}	4020	}
2940		4021
2941	warn "... nuking $pkg";
2942	Symbol::delete_package $pkg;
2943	}
2944
2945	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2946	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		4025
2949	warn "... unloading $k";	4026	trace "... unloading $k";
2950	delete $INC{$k};	4027	delete $INC{$k};
2951		4028
2952	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2954		4031
2955	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2956	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2957	}	4037	}
2958		4038
2959	Symbol::delete_package $k;
2960	}
2961
2962	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2964	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);
2965		4042
2966	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2969		4046
2970	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2971	# and global variables created in xs	4048	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2973		4050
2974	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2975		4052
2976	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2977	require cf;	4054	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2979		4056
2980	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2981	cf::cfg_load;	4058	cf::reload_config;
2982		4059
2983	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2984	cf::load_extensions;	4061	cf::load_extensions;
2985		4062
		4063	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2989	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2992		4071
2993	warn "leaving sync_job";	4072	cf::_post_init 1;
2994		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
2995	1	4076	1
2996	} or do {	4077	} or do {
2997	warn $@;	4078	error $@;
2998	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2999	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3000	};	4083	}
3001		4084
3002	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3003	};	4087	};
3004		4088
3005	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3006		4090
3007	sub reload_perl() {	4091	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3010		4094
3011	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	4097
3014	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	4099	do_reload_perl;
3017	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3018	},	4101	};
3019	);	4102	};
3020	}	4103	}
3021		4104
3022	register_command "reload" => sub {	4105	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3024		4107
3025	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	4112	reload_perl;
		4113	};
3028	}	4114	}
3029	};	4115	};
3030		4116
3031	unshift @INC, $LIBDIR;	4117	#############################################################################
3032		4118
3033	my $bug_warning = 0;	4119	my $bug_warning = 0;
3034		4120
3035	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;
3037
3038	sub wait_for_tick {	4121	sub wait_for_tick() {
3039	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3040	return if $Coro::current == $Coro::main;
3041		4123
3042	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3043	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;
3045	}	4125	}
3046		4126
3047	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3048	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3049	return if $Coro::current == $Coro::main;
3050		4129
3051	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	4132	$signal->wait;
3054	}	4133	}
3055		4134
3056	my $min = 1e6;#d#	4135	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3068	return;	4139	return;
3069	}	4140	}
3070		4141
3071	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3072		4143
3073	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3074		4145
3075	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3076	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3077	my $t = Event::time;	4148	Coro::async_pool {
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
3079	or die;	4150	write_runtime_sync
3080		4151	or error "ERROR: unable to write runtime file: $!";
3081	$map->width (50);
3082	$map->height (50);
3083	$map->alloc;
3084	$map->_load_objects ("/tmp/x.map", 1);
3085	my $t = Event::time - $t;
3086
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	4152	};
		4153	}
3097		4154
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	4156	$sig->send;
3114	}	4157	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3116	$sig->send;
3117	}
3118		4159
3119	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		4162
3130	_post_tick;	4163	if (0) {
3131		4164	if ($NEXT_TICK) {
3132		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3133	},	4169	}
3134	);	4170	}
3135		4171
3136	{	4172	{
3137	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	4174
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3147		4176	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		4178
3163	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3164	$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);
3165		4186
3166	cf::sync_job {	4187	cf::sync_job {
3167	eval {	4188	eval {
3168	BDB::db_env_open	4189	BDB::db_env_open
3169	$DB_ENV,	4190	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	4194	0666;
3174		4195
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	4197	};
3180		4198
3181	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	4200	};
3183	}	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	};
3184	}	4212	}
3185		4213
3186	{	4214	{
		4215	# configure IO::AIO
		4216
3187	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	4220	}
3200		4221
3201	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3202		4224
3203	sub _log_backtrace {	4225	sub _log_backtrace {
3204	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3205		4227
3206	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3207		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3208	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3210	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3211	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3212	my @bt = fork_call {	4241	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	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 |"
3216	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3224	}	4253	}
3225		4254
3226	@funcs	4255	@funcs
3227	};	4256	};
3228		4257
3229	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	4261	--$_log_backtrace;
3232	};	4262	};
3233	} else {	4263	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3235	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3236	}	4266	}
3237	}	4267	}
3238		4268
3239	# load additional modules	4269	# load additional modules
3240	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3241		4272
3242	END { cf::emergency_save }	4273	END { cf::emergency_save }
3243		4274
3244	1	4275	1
3245		4276

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