ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	227	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	333	for my $pkg (qw(
198	cf::global cf::attachable	334	cf::global cf::attachable
199	cf::object cf::object::player	335	cf::object cf::object::player
200	cf::client cf::player	336	cf::client cf::player
201	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
202	cf::map cf::party cf::region	339	cf::party cf::region
203	)) {	340	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	342	}
207		343
208	$Event::DIED = sub {	344	$EV::DIED = sub {
209	warn "error in event callback: @_";	345	warn "error in event callback: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
211		352
212	#############################################################################	353	#############################################################################
213		354
214	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
215		356
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	378	$d
238	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
239	}	380	}
240		381
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
242		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		441
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
251	=item cf::lock_wait $string	511	=item cf::lock_wait $string
252		512
253	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
254		514
255	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
256		516
257	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
260	returned.	520	returned.
261		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
262	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
264		527
265	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
266		529
267	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
268		531
269	=cut	532	=cut
270		533
271	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
272		535
273	sub lock_wait($) {	536	sub lock_wait($) {
274	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	538	}
282		539
283	sub lock_acquire($) {	540	sub lock_acquire($) {
284	my ($key) = @_;	541	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	542	}
296		543
297	sub lock_active($) {	544	sub lock_active($) {
298	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	546	}
302		547
303	sub freeze_mainloop {	548	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
305		550
306	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
308	};	621	}
309	$TICK_WATCHER->stop;	622	};
310	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
311	}	637	}
312		638
313	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
314		640
315	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		646
321	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
322		648
323	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
324		650
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	654	acceptable.
329		655
330	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	661	=cut
336		662
337	sub sync_job(&) {	663	sub sync_job(&) {
338	my ($job) = @_;	664	my ($job) = @_;
339		665
340	if ($Coro::current == $Coro::main) {	666	if (in_main) {
341	my $time = Event::time;	667	my $time = AE::time;
342		668
343	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
345		671
346	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	673
348	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
349		675
350	my $busy = 1;	676	my $busy = 1;
351	my @res;	677	my @res;
352		678
353	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	681	@res = eval { $job->() };
355	warn $@ if $@;	682	error $@ if $@;
356	undef $busy;	683	undef $busy;
357	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
358		685
359	while ($busy) {	686	while ($busy) {
360	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
361	}	691	}
		692	}
362		693
363	$time = Event::time - $time;	694	my $time = AE::time - $time;
364		695
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
369		697
370	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
371	} else {	699	} else {
372	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
373		701
…		…
393	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
394		722
395	$coro	723	$coro
396	}	724	}
397		725
398	=item fork_call { }, $args	726	=item fork_call { }, @args
399		727
400	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
404		732
405	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
406		738
407	sub fork_call(&@) {	739	sub fork_call(&@) {
408	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
409		741
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		745
415	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
416	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
417		750
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	752	}
420		753
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
440	}	790	}
441		791
442	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
443		793
444	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
447		797
448	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
451	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
452		827
453	our $DB;	828	our $DB;
454		829
455	sub db_init {	830	sub db_init {
456	unless ($DB) {	831	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	832	}
471		833
472	sub db_get($$) {	834	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
474		836
475	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
476	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
477		841
478	$! ? ()	842	$! ? ()
479	: $data	843	: $data
480	}
481	}	844	}
482		845
483	sub db_put($$$) {	846	sub db_put($$$) {
484	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		876
514	my @data;	877	my @data;
515	my $md5;	878	my $md5;
516		879
517	for (0 .. $#$src) {	880	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	882	}
521		883
522	# if processing is expensive, check	884	# if processing is expensive, check
523	# checksum first	885	# checksum first
524	if (1) {	886	if (1) {
525	$md5 =	887	$md5 =
526	join "\x00",	888	join "\x00",
527	$processversion,	889	$processversion,
528	map {	890	map {
529	Coro::cede;	891	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	893	} 0.. $#$src;
532		894
533		895
534	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		903
542	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	905	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
545		907
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		909
548	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
551		913
…		…
561		923
562	=cut	924	=cut
563		925
564	sub datalog($@) {	926	sub datalog($@) {
565	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	929	}
568		930
569	=back	931	=back
570		932
571	=cut	933	=cut
572		934
573	#############################################################################	935	#############################################################################
574		936
575	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
576		938
577	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
580		942
581	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	945	Deliantra).
584		946
585	=over 4	947	=over 4
586		948
587	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
588		950
…		…
632	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
633		995
634	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
636		998
637	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
639		1001
640	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
641		1003
642	=over 4	1004	=over 4
…		…
766		1128
767	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1131
770	} elsif (ref $type) {	1132	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
772		1134
773	} else {	1135	} else {
774	shift @arg;	1136	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
776	}	1138	}
777	}	1139	}
778	}	1140	}
779		1141
780	sub _object_attach {	1142	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
791	}	1153	}
792		1154
793	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
794	} else {	1156	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1158	}
797		1159
798	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
799	}	1161	}
800		1162
…		…
840	";	1202	";
841	die if $@;	1203	die if $@;
842	}	1204	}
843		1205
844	our $override;	1206	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1208
847	sub override {	1209	sub override {
848	$override = 1;	1210	$override = 1;
849	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
850	}	1212	}
851		1213
852	sub do_invoke {	1214	sub do_invoke {
853	my $event = shift;	1215	my $event = shift;
854	my $callbacks = shift;	1216	my $callbacks = shift;
855		1217
856	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
857		1219
858	local $override;	1220	local $override;
859		1221
860	for (@$callbacks) {	1222	for (@$callbacks) {
861	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
862		1224
863	if ($@) {	1225	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1227	override;
867	}	1228	}
868		1229
869	return 1 if $override;	1230	return 1 if $override;
870	}	1231	}
871		1232
872	0	1233	0
873	}	1234	}
874		1235
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1237
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1239
879	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
880		1241
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1245
885	=back	1246	=back
886		1247
887	=cut	1248	=cut
888		1249
889	#############################################################################	1250	#############################################################################
890	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
891		1294
892	sub reattach {	1295	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1297	my ($obj) = @_;
895		1298
		1299	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1301
898	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
899		1303
900	@$registry = ();	1304	@$registry = ();
901		1305
…		…
906	for (@$attach) {	1310	for (@$attach) {
907	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
909	}	1313	}
910	} else {	1314	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1316	}
913	}	1317	}
914	}	1318	}
915		1319
916	cf::attachable->attach (	1320	cf::attachable->attach (
917	prio => -1000000,	1321	prio => -1000000,
918	on_instantiate => sub {	1322	on_instantiate => sub {
919	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
920		1324
921	$data = from_json $data;	1325	$data = decode_json $data;
922		1326
923	for (@$data) {	1327	for (@$data) {
924	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
925		1329
926	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1346	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
944		1348
945	sync_job {	1349	sync_job {
946	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
949		1355
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
954	close $fh;	1363	aio_close $fh;
955		1364
956	if (@$objs) {	1365	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
962	close $fh;	1374	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
964	}	1376	}
965	} else {	1377	} else {
966	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
967	}	1379	}
968		1380
969	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1385	} else {
971	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
972	}	1387	}
973	} else {	1388	} else {
974	aio_unlink $filename;	1389	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
976	}	1391	}
977	}	1392	};
978	}	1393	}
979		1394
980	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
982		1397
…		…
994	or return;	1409	or return;
995		1410
996	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
998	or return;	1413	or return;
		1414
999	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1000	}	1417	}
1001		1418
		1419	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1004	return ($data, $av);	1424	($data, $av)
1005	}	1425	}
1006		1426
1007	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1008		1428
1009	=over 4	1429	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1450	}
1031		1451
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1453
1034	Register a callback fro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
1035		1459
1036	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1037	called.	1461	called.
1038		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
1039	=cut	1474	=cut
1040		1475
1041	sub register_extcmd {	1476	sub register_extcmd {
1042	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
1043		1478
1044	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
1045	}	1480	}
1046		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
1047	cf::player->attach (	1490	cf::player->attach (
1048	on_command => sub {	1491	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1050		1493
1051	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1052	or return;	1495	or return;
1053		1496
…		…
1058	cf::override;	1501	cf::override;
1059	},	1502	},
1060	on_extcmd => sub {	1503	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1062		1505
1063	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1507
1065	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1071	} else {	1520	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1522	}
1074		1523
1075	cf::override;	1524	cf::override;
1076	},	1525	},
1077	);	1526	);
1078		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1079	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1080	cf::sync_job {	1557	cf::sync_job {
1081	my %todo;	1558	my %todo;
1082		1559
1083	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1561	next unless -r $path;
…		…
1102		1579
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1582
1106	$ext{source} =	1583	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1109	. $source	1586	. $source
1110	. "\n};\n1";	1587	. "\n};\n1";
1111		1588
1112	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1113	}	1590	}
1114		1591
		1592	my $pass = 0;
1115	my %done;	1593	my %done;
1116	while (%todo) {	1594	while (%todo) {
1117	my $progress;	1595	my $progress;
1118		1596
		1597	++$pass;
		1598
		1599	ext:
1119	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1602	next ext
1122	unless exists $done{$_};	1603	unless exists $done{$_};
1123	}	1604	}
1124		1605
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1607
1127	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1132	warn $msg;	1624
1133	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1626	delete $todo{$k};
1135	}	1627	} else {
1136		1628	$done{$k} = delete $todo{$k};
1137	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1138	}	1634	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1635	}
1144		1636
1145	skip:	1637	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1148	}	1647	}
1149	};	1648	};
1150	}	1649	}
1151		1650
1152	#############################################################################	1651	#############################################################################
1153		1652
1154	=back	1653	=back
1155		1654
1156	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1157		1656
1158	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1159		1658
1160	=cut	1659	=cut
1161		1660
1162	package cf::player;	1661	package cf::player;
1163		1662
1164	use Coro::AIO;	1663	use Coro::AIO;
1165		1664
1166	=head3 cf::player	1665	=head3 cf::player
1167		1666
1168	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1169		1682
1170	=item cf::player::find $login	1683	=item cf::player::find $login
1171		1684
1172	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1173		1686
…		…
1192		1705
1193	sub exists($) {	1706	sub exists($) {
1194	my ($login) = @_;	1707	my ($login) = @_;
1195		1708
1196	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1198	}	1711	}
1199		1712
1200	sub find($) {	1713	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1715	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1726
1214	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1217	}	1736	}
1218	}	1737	}
1219	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1220		1752
1221	sub save($) {	1753	sub save($) {
1222	my ($pl) = @_;	1754	my ($pl) = @_;
1223		1755
1224	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1230		1762
1231	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1233		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1234	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1235	Coro::cede;	1772	cf::cede_to_tick;
1236	}	1773	}
1237		1774
1238	sub new($) {	1775	sub new($) {
1239	my ($login) = @_;	1776	my ($login) = @_;
1240		1777
…		…
1246	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1247		1784
1248	$self	1785	$self
1249	}	1786	}
1250		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1251	=item $pl->quit_character	1798	=item $pl->quit_character
1252		1799
1253	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1255		1802
…		…
1259	my ($pl) = @_;	1806	my ($pl) = @_;
1260		1807
1261	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1262		1809
1263	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1812
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1269	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1270		1821
1271	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1308	or return [];	1859	or return [];
1309		1860
1310	my @logins;	1861	my @logins;
1311		1862
1312	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1316		1873
1317	utf8::decode $login;	1874	utf8::decode $login;
1318	push @logins, $login;	1875	push @logins, $login;
1319	}	1876	}
1320		1877
1321	\@logins	1878	\@logins
1322	}	1879	}
1323		1880
1324	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1325		1884
1326	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1327	player. May block.	1886	player. May block.
1328		1887
1329	=cut	1888	=cut
…		…
1347	}	1906	}
1348		1907
1349	\@paths	1908	\@paths
1350	}	1909	}
1351		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1352	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1353		1916
1354	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1355		1918
1356	=cut	1919	=cut
1357		1920
1358	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1360		1923
1361	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1925	}
1365		1926
1366	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1367		1928
1368	Sends an ext event to the client.	1929	Sends an ext event to the client.
1369		1930
1370	=cut	1931	=cut
1371		1932
1372	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1374		1935
1375	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1376	}	1937	}
1377		1938
1378	=head3 cf::region	1939	=head3 cf::region
1379		1940
1380	=over 4	1941	=over 4
…		…
1390	=cut	1951	=cut
1391		1952
1392	sub find_by_path($) {	1953	sub find_by_path($) {
1393	my ($path) = @_;	1954	my ($path) = @_;
1394		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1395	my ($match, $specificity);	1958	my ($match, $specificity);
1396		1959
1397	for my $region (list) {	1960	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1401	}	1964	}
1402	}	1965	}
1403		1966
…		…
1424	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1426		1989
1427	sub generate_random_map {	1990	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1430	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1996	}
1444		1997
1445	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1446		1999
1447	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1452		2005
1453	sub register {	2006	sub register {
1454	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2008	my $pkg = caller;
1456		2009
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2011
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2013	}
1462		2014
1463	# also paths starting with '/'	2015	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2017
1466	sub thawer_merge {	2018	sub thawer_merge {
1467	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1468		2020
1469	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1474	}	2026	}
1475		2027
1476	sub normalise {	2028	sub normalise {
1477	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1478		2030
1479	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1480		2032
1481	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1482		2034
1483	# map plan:	2035	# map plan:
1484	#	2036	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2052	$path = "$base/$path";
1501	}	2053	}
1502		2054
1503	for ($path) {	2055	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1507	}	2058	}
1508		2059
1509	$path	2060	$path
…		…
1523	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1524	return $self;	2075	return $self;
1525	}	2076	}
1526	}	2077	}
1527		2078
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2080	()
1530	}	2081	}
1531		2082
		2083	# may re-bless or do other evil things
1532	sub init {	2084	sub init {
1533	my ($self) = @_;	2085	my ($self) = @_;
1534		2086
1535	$self	2087	$self
1536	}	2088	}
…		…
1555		2107
1556	# the temporary/swap location	2108	# the temporary/swap location
1557	sub save_path {	2109	sub save_path {
1558	my ($self) = @_;	2110	my ($self) = @_;
1559		2111
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1562	}	2114	}
1563		2115
1564	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1565	sub uniq_path {	2117	sub uniq_path {
1566	my ($self) = @_;	2118	my ($self) = @_;
1567		2119
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2122	}
1580		2123
1581	sub decay_objects {	2124	sub decay_objects {
1582	my ($self) = @_;	2125	my ($self) = @_;
1583		2126
…		…
1596		2139
1597	sub load_header_from($) {	2140	sub load_header_from($) {
1598	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1599		2142
1600	utf8::encode $path;	2143	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2145	or return;
1606		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1607	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1608		2154
1609	1	2155	1
1610	}	2156	}
1611		2157
		2158	# used to laod the header of an original map
1612	sub load_header_orig {	2159	sub load_header_orig {
1613	my ($self) = @_;	2160	my ($self) = @_;
1614		2161
1615	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1616	}	2163	}
1617		2164
		2165	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2166	sub load_header_temp {
1619	my ($self) = @_;	2167	my ($self) = @_;
1620		2168
1621	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1622	}	2170	}
1623		2171
		2172	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2173	sub prepare_temp {
1625	my ($self) = @_;	2174	my ($self) = @_;
1626		2175
1627	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1629	# safety	2178	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2181	}
1633		2182
		2183	# called after loading the header from an original map
1634	sub prepare_orig {	2184	sub prepare_orig {
1635	my ($self) = @_;	2185	my ($self) = @_;
1636		2186
1637	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2212
1663	sub find;	2213	sub find;
1664	sub find {	2214	sub find {
1665	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1666		2216
		2217	cf::cede_to_tick;
		2218
1667	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1668		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2223
1671	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1674	or return;	2226	or return;
1675		2227
1676	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1677		2229
…		…
1679	or return;	2231	or return;
1680		2232
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1684	$map->reset;	2238	$map->reset;
1685	undef $guard;
1686	return find $path;	2239	return find $path;
1687	}	2240	}
1688		2241
1689	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1690	}	2243	}
1691	}	2244	}
1692		2245
1693	sub pre_load { }	2246	sub pre_load { }
1694	sub post_load { }	2247	#sub post_load { } # XS
1695		2248
1696	sub load {	2249	sub load {
1697	my ($self) = @_;	2250	my ($self) = @_;
1698		2251
1699	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1700		2253
1701	my $path = $self->{path};	2254	my $path = $self->{path};
1702		2255
1703	{	2256	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1705		2258
		2259	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2261
1710	$self->alloc;	2262	$self->alloc;
1711		2263
1712	$self->pre_load;	2264	$self->pre_load;
1713	Coro::cede;	2265	cf::cede_to_tick;
1714		2266
1715	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1716	or return;	2271	or return;
1717		2272
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1719	if delete $self->{load_original};	2274	if delete $self->{load_original};
1720		2275
1721	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2277	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2280	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1726	}	2285	}
1727	}
1728		2286
1729	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1730	# now do the right thing for maps	2296	# now do the right thing for maps
1731	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2299	unless $self->difficulty;
1734	Coro::cede;	2300	cf::cede_to_tick;
1735		2301
1736	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2303	$self->decay_objects;
1738	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1739	$self->update_buttons;	2305	$self->update_buttons;
1740	Coro::cede;	2306	cf::cede_to_tick;
1741	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2308	}
1745		2309
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1747	}	2312	}
1748		2313
1749	$self->post_load;	2314	$self->post_load;
1750	}
1751		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2322	sub customise_for {
1753	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1754		2324
1755	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2326	if $self->per_player;
…		…
1759	# if $self->per_party;	2329	# if $self->per_party;
1760		2330
1761	$self	2331	$self
1762	}	2332	}
1763		2333
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2334	sub find_sync {
1789	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1790		2336
1791	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1792	}	2342	}
1793		2343
1794	sub do_load_sync {	2344	sub do_load_sync {
1795	my ($map) = @_;	2345	my ($map) = @_;
1796		2346
1797	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1798	}	2352	}
1799		2353
1800	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1802		2356
1803	sub find_async {	2357	sub find_async {
1804	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1805		2359
1806	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1807		2361
1808	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1810	}	2364	}
1811		2365
1812	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1813	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1814	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2373	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2374	$map->load if $v;
		2375	}
1819		2376
1820	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1821	}	2378	}
1822	}	2379	}
1823	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1824	};	2381	};
1825	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1826		2383
1827	()	2384	()
1828	}	2385	}
1829		2386
		2387	# common code, used by both ->save and ->swapout
1830	sub save {	2388	sub _save {
1831	my ($self) = @_;	2389	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2390
1835	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1836		2392
1837	return unless $self->dirty;	2393	return unless $self->dirty;
1838		2394
…		…
1844	return if $self->{deny_save};	2400	return if $self->{deny_save};
1845		2401
1846	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1847		2403
1848	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1850	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1851		2410
1852	if ($uniq) {	2411	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2414	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2416	}
1858	}	2417	}
1859		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1860	sub swap_out {	2427	sub swap_out {
1861	my ($self) = @_;	2428	my ($self) = @_;
1862		2429
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1868	return if $self->players;	2434	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1872	$self->clear;	2445	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2446	}
1875		2447
1876	sub reset_at {	2448	sub reset_at {
1877	my ($self) = @_;	2449	my ($self) = @_;
1878		2450
…		…
1896		2468
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2470
1899	return if $self->players;	2471	return if $self->players;
1900		2472
1901	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1902		2474
1903	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1904		2476
1905	# need to save uniques path	2477	# need to save uniques path
1906	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2480
…		…
1910	if $uniq;	2482	if $uniq;
1911	}	2483	}
1912		2484
1913	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1914		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2489	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2490
1919	$self->unlink_save;	2491	$self->unlink_save;
1920	$self->destroy;	2492	$self->destroy;
1921	}	2493	}
1922		2494
1923	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1924		2496
1925	sub nuke {	2497	sub nuke {
1926	my ($self) = @_;	2498	my ($self) = @_;
1927		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1928	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1929		2504
1930	$self->unlink_save;	2505	$self->unlink_save;
1931		2506
1932	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2512
1938	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1939		2515
1940	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
1941	}	2517	}
1942		2518
1943	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
1985		2561
1986	sub unique_maps() {	2562	sub unique_maps() {
1987	[	2563	[
1988	map {	2564	map {
1989	utf8::decode $_;	2565	utf8::decode $_;
1990	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
1991	? normalise $_	2569	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2571	]
1995	}	2572	}
1996		2573
1997	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1998		2605
1999	=back	2606	=back
2000		2607
2001	=head3 cf::object	2608	=head3 cf::object
2002		2609
…		…
2006		2613
2007	=over 4	2614	=over 4
2008		2615
2009	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2010		2617
2011	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2012		2620
2013	=cut	2621	=cut
2014		2622
2015	sub inv_recursive_;	2623	sub inv_recursive_;
2016	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2019		2627
2020	sub inv_recursive {	2628	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2022	}	2630	}
2023		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2024	package cf;	2660	package cf;
2025		2661
2026	=back	2662	=back
2027		2663
2028	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2037		2673
2038	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2039		2689
2040	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2691	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2050		2700
2051	} else {	2701	} else {
2052	my $pl = $self->contr;	2702	my $pl = $self->contr;
2053		2703
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2707
2060	} else {	2708	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2711	}
2064	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2065	}	2723	}
2066		2724
2067	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2068		2726
2069	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2082		2740
2083	=item $player_object->enter_link	2741	=item $player_object->enter_link
2084		2742
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2744
2087	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2089		2749
2090	Will never block.	2750	Will never block.
2091		2751
2092	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2093		2753
…		…
2113	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2774	my ($self) = @_;
2115		2775
2116	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2117		2777
		2778	++$self->{_link_recursion};
		2779
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2781
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2122		2784
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2786	}
2125		2787
2126	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2128		2790
…		…
2145	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2147		2809
2148	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2151		2813
2152	$map->load;	2814	$map->load;
2153	$map->load_diag;
2154		2815
2155	return unless $self->contr->active;	2816	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2817
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2160	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2161		2825
		2826	}
		2827
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2829
2164	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
2168		2838
2169	=cut	2839	=cut
2170		2840
2171	our $GOTOGEN;	2841	our $GOTOGEN;
2172		2842
2173	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2175		2851
2176	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2854
2179	$self->enter_link;	2855	$self->enter_link;
2180		2856
2181	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2182	my $map = eval {	2879	my $map = eval {
2183	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2881
2185	if ($map) {	2882	if ($map) {
2186	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2885	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2887	}
2191		2888
2192	$map	2889	$map
2193	};	2890	};
2194		2891
…		…
2199		2896
2200	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2203	}	2900	}
		2901
		2902	$done->($self) if $done;
2204	})->prio (1);	2903	})->prio (1);
2205	}	2904	}
2206		2905
2207	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2208		2907
…		…
2228	}	2927	}
2229		2928
2230	sub prepare_random_map {	2929	sub prepare_random_map {
2231	my ($exit) = @_;	2930	my ($exit) = @_;
2232		2931
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2934	# that depends on the exit object
2238		2935
2239	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2938	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2246	}	2945	}
2247		2946
2248	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2249		2948
2250	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2253		2952
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2955	undef $fh;
2257	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2258		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2261	}	2964	}
2262	}	2965	}
2263		2966
2264	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2266		2969
2267	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2268		2971
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2972	$self->enter_link;
2281		2973
2282	(async {	2974	(async {
2283	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2284	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2285	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2286		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2287	1;	3013	1
2288	}) {	3014	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2293		3019
2294	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	3021	$self->leave_link;
2296	}	3022	}
2297	})->prio (1);	3023	})->prio (1);
2298	}	3024	}
2299		3025
…		…
2313		3039
2314	utf8::encode $text;	3040	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	3042	}
2317		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2318	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2319		3232
2320	Sends an exti event to the client.	3233	Sends an ext event to the client.
2321		3234
2322	=cut	3235	=cut
2323		3236
2324	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2326		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2329	}	3260	}
2330		3261
2331	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2332		3263
2333	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3265	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3266	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3267
2337	Queries can fail, so check the return code. Or don't, as queries will become	3268	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3269	become reliable at some point in the future.
2339		3270
2340	=cut	3271	=cut
2341		3272
2342	sub cf::client::query {	3273	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3282	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3284
2354	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2356	}	3289	}
2357		3290
2358	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2359	on_reply => sub {	3297	on_reply => sub {
2360	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2361		3299
2362	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2363	# get handled first	3301	# get handled first
…		…
2375	} else {	3313	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3315	}
2378	}	3316	}
2379	},	3317	},
		3318	on_exticmd => sub {
		3319	my ($ns, $buf) = @_;
		3320
		3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3322
		3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2380	);	3341	);
2381		3342
2382	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2383		3344
2384	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3361
2401	$coro	3362	$coro
2402	}	3363	}
2403		3364
2404	cf::client->attach (	3365	cf::client->attach (
2405	on_destroy => sub {	3366	on_client_destroy => sub {
2406	my ($ns) = @_;	3367	my ($ns) = @_;
2407		3368
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3370	},
2410	);	3371	);
…		…
2425	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2427		3388
2428	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2429		3390
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2431		3396
2432	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2433		3398
2434	=pod	3399	=pod
2435		3400
2436	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2437		3402
2438	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2439	cf::object::player player	3408	cf::object::player
2440	cf::player peaceful	3409	player
2441	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2442		3416
2443	=cut	3417	=cut
2444		3418
2445	for (	3419	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2450	) {	3426	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3429	for @funs;
2455	}	3430	}
2456		3431
…		…
2471		3446
2472	my $qcode = $code;	3447	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2475		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2476	local $_;	3454	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3455
2479	my $eval =	3456	my $eval =
2480	"do {\n"	3457	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3460	. $code
2484	. "\n}"	3461	. "\n}"
2485	;	3462	;
2486		3463
		3464	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2490		3473
2491	if ($@) {	3474	if ($@) {
2492	warn "$@";	3475	warn "$@",
2493	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2495	}	3478	}
2496		3479
2497	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2498	}	3481	}
2499		3482
…		…
2513	=cut	3496	=cut
2514		3497
2515	sub register_script_function {	3498	sub register_script_function {
2516	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2517		3500
2518	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2520	}	3503	}
2521		3504
2522	=back	3505	=back
2523		3506
2524	=cut	3507	=cut
2525		3508
2526	#############################################################################	3509	#############################################################################
2527	# the server's init and main functions	3510	# the server's init and main functions
2528		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2529	sub load_facedata($) {	3514	sub load_facedata($) {
2530	my ($path) = @_;	3515	my ($path) = @_;
2531		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2532	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2533		3524
2534	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3526
2540	$facedata->{version} == 2	3527	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2543	{	3539	{
2544	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2545		3541
2546	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
		3552
		3553	cf::cede_to_tick;
2552	}	3554	}
2553		3555
2554	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2556	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2557	or next;	3560	or next;
		3561
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3565	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3567	}
2563	Coro::cede;	3568
		3569	cf::cede_to_tick;
2564	}	3570	}
2565	}	3571	}
2566		3572
2567	{	3573	{
2568	my $anims = $facedata->{animinfo};	3574	my $anims = $facedata->{animinfo};
2569		3575
2570	while (my ($anim, $info) = each %$anims) {	3576	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3578	cf::cede_to_tick;
2573	}	3579	}
2574		3580
2575	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2576	}	3582	}
2577		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
2578	1	3606	1
2579	}	3607	}
2580		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2581	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2582	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
2584	}	3639	}
2585		3640
2586	sub reload_facedata {	3641	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3642	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3643	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3651	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2599	}	3654	}
2600		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2601	sub reload_resources {	3676	sub reload_resources {
2602	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2603		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2604	reload_regions;	3684	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3685	reload_treasures;
2609		3686
2610	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2611	}	3688	}
2612		3689
2613	sub init {	3690	sub reload_config {
2614	reload_resources;	3691	trace "reloading config file...\n";
2615	}
2616		3692
2617	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2619	or return;	3695	*CFG = decode_yaml $config;
2620		3696
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3698
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3701
2629	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2633	};	3706	};
2634	warn $@ if $@;	3707	warn $@ if $@;
2635	}	3708	}
2636	}	3709	}
2637		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2638	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2639	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3752	(async {
2643	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2645	};	3756	};
2646		3757
2647	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2648	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2649	load_extensions;	3781	load_extensions;
2650		3782
2651	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2653	}	3800	}
2654		3801
2655	#############################################################################	3802	#############################################################################
2656	# initialisation and cleanup	3803	# initialisation and cleanup
2657		3804
2658	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2659	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2668	},
2669	);	3811	};
2670	}	3812	}
2671	}	3813	}
2672		3814
2673	sub write_runtime {	3815	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
2675		3817
2676	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
2678		3820
2679	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3822
2681	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
2682		3824
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3826	or return;
2685		3827
2686	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
2699		3841
2700	close $fh	3842	close $fh
2701	or return;	3843	or return;
2702		3844
2703	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3846	and return;
2705		3847
2706	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3849
2708	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2709	}	3901	}
2710		3902
2711	sub emergency_save() {	3903	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2713		3905
2714	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2715		3912
2716	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2717	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3924	$pl->save;
2725	}	3925	}
2726	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2727		3927
2728	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3933	$map->valid or next;
2732	$map->save;	3934	$map->save;
2733	}	3935	}
2734	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2735		3937
2736	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3966	};
2740		3967
2741	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2742	}	3969	}
2743		3970
2744	sub post_cleanup {	3971	sub post_cleanup {
2745	my ($make_core) = @_;	3972	my ($make_core) = @_;
2746		3973
		3974	IO::AIO::flush;
		3975
2747	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
2749	}	4006	}
2750		4007
2751	sub do_reload_perl() {	4008	sub do_reload_perl() {
2752	# can/must only be called in main	4009	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2754	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2755	return;	4012	return;
2756	}	4013	}
2757		4014
2758	warn "reloading...";	4015	return if $RELOAD++;
2759		4016
2760	warn "entering sync_job";	4017	my $t1 = AE::time;
2761		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2762	cf::sync_job {	4025	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	4026	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		4027
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4030	%EXT_CORO = ();
2791		4031
2792	warn "removing commands";	4032	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4033	%COMMAND = ();
2794		4034
2795	warn "removing ext commands";	4035	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4036	%EXTCMD = ();
		4037	%EXTICMD = ();
2797		4038
2798	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2801		4042
2802	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4044	eval {
2804	$cb->($pkg);	4045	$cb->($pkg);
2805	1	4046	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2807	}	4052	}
2808		4053
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4057
2817	warn "... unloading $k";	4058	trace "... unloading $k";
2818	delete $INC{$k};	4059	delete $INC{$k};
2819		4060
2820	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
2822		4063
2823	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
2825	}	4069	}
2826		4070
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4074
2834	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4078
2838	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4080	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
2841		4082
2842	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
2843		4084
2844	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
2845	require cf;	4086	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
2847		4088
2848	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4090	cf::reload_config;
2850		4091
2851	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4093	cf::load_extensions;
2853		4094
		4095	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
2860		4103
2861	warn "leaving sync_job";	4104	cf::_post_init 1;
2862		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
2863	1	4108	1
2864	} or do {	4109	} or do {
2865	warn $@;	4110	error $@;
2866	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4112	};
		4113
		4114	--$RELOAD;
2868	};	4115	}
2869		4116
2870	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
2871	};	4119	};
2872		4120
2873	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
2874		4122
2875	sub reload_perl() {	4123	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
2878		4126
2879	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4129
2882	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4131	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
2886	},	4133	};
2887	);	4134	};
2888	}	4135	}
2889		4136
2890	register_command "reload" => sub {	4137	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
2892		4139
2893	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4144	reload_perl;
		4145	};
2896	}	4146	}
2897	};	4147	};
2898		4148
2899	unshift @INC, $LIBDIR;	4149	#############################################################################
2900		4150
2901	my $bug_warning = 0;	4151	my $bug_warning = 0;
2902		4152
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4153	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4155
2910	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4157	}
2914		4158
2915	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4161
2919	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4164	$signal->wait;
2922	}	4165	}
2923		4166
2924	my $min = 1e6;#d#	4167	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
2936	return;	4171	return;
2937	}	4172	}
2938		4173
2939	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
2940		4175
2941	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4177
2943	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4180	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
2947	or die;	4182	write_runtime_sync
2948		4183	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4184	};
		4185	}
2965		4186
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4188	$sig->send;
2982	}	4189	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4191
2987	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4194
2998	_post_tick;	4195	if (0) {
2999		4196	if ($NEXT_TICK) {
3000		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3001	},	4201	}
3002	);	4202	}
3003		4203
3004	{	4204	{
3005	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4206
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3015		4208	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4210
3031	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4218
3034	cf::sync_job {	4219	cf::sync_job {
3035	eval {	4220	eval {
3036	BDB::db_env_open	4221	BDB::db_env_open
3037	$DB_ENV,	4222	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4226	0666;
3042		4227
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4229	};
3048		4230
3049	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4232	};
3051	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
3052	}	4244	}
3053		4245
3054	{	4246	{
		4247	# configure IO::AIO
		4248
3055	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4252	}
3068		4253
3069	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3070		4256
3071	sub _log_backtrace {	4257	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3073		4259
3074	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3075		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3079	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3080	my @bt = fork_call {	4273	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3092	}	4285	}
3093		4286
3094	@funcs	4287	@funcs
3095	};	4288	};
3096		4289
3097	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4293	--$_log_backtrace;
3100	};	4294	};
3101	} else {	4295	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4298	}
3105	}	4299	}
3106		4300
3107	# load additional modules	4301	# load additional modules
3108	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3109		4304
3110	END { cf::emergency_save }	4305	END { cf::emergency_save }
3111		4306
3112	1	4307	1
3113		4308

Diff Legend

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