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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC vs.
Revision 1.577 by root, Tue Jan 3 11:25:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
211		347
212	#############################################################################	348	#############################################################################
213		349
214	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
215		351
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	373	$d
238	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
239	}	375	}
240		376
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
242		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
251	=item cf::lock_wait $string	468	=item cf::lock_wait $string
252		469
253	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
254		471
255	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
256		473
257	Wait until the given lock is available and then acquires it and returns	474	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,	475	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	476	for example when the coroutine gets canceled), the lock is automatically
260	returned.	477	returned.
261		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
262	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
264		484
265	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
266		486
267	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
268		488
269	=cut	489	=cut
270		490
271	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
272		492
273	sub lock_wait($) {	493	sub lock_wait($) {
274	my ($key) = @_;	494	$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	}	495	}
282		496
283	sub lock_acquire($) {	497	sub lock_acquire($) {
284	my ($key) = @_;	498	$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	}	499	}
296		500
297	sub lock_active($) {	501	sub lock_active($) {
298	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	503	}
302		504
303	sub freeze_mainloop {	505	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
305		507
306	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
308	};	578	}
309	$TICK_WATCHER->stop;	579	};
310	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
311	}	594	}
312		595
313	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
314		597
315	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		603
321	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
322		605
323	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
324		607
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	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	609	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	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	611	acceptable.
329		612
330	If it must be done, put the blocking parts into C<sync_job>. This will run	613	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	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	618	=cut
336		619
337	sub sync_job(&) {	620	sub sync_job(&) {
338	my ($job) = @_;	621	my ($job) = @_;
339		622
340	if ($Coro::current == $Coro::main) {	623	if (in_main) {
341	my $time = Event::time;	624	my $time = AE::time;
342		625
343	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
345		628
346	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	630
348	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
349		632
350	my $busy = 1;	633	my $busy = 1;
351	my @res;	634	my @res;
352		635
353	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	638	@res = eval { $job->() };
355	warn $@ if $@;	639	error $@ if $@;
356	undef $busy;	640	undef $busy;
357	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
358		642
359	while ($busy) {	643	while ($busy) {
360	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
361	}	648	}
		649	}
362		650
363	$time = Event::time - $time;	651	my $time = AE::time - $time;
364		652
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	653	$TICK_START += $time; # do not account sync jobs to server load
369		654
370	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
371	} else {	656	} else {
372	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
373		658
…		…
393	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
394		679
395	$coro	680	$coro
396	}	681	}
397		682
398	=item fork_call { }, $args	683	=item fork_call { }, @args
399		684
400	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
404		689
405	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
406		695
407	sub fork_call(&@) {	696	sub fork_call(&@) {
408	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
409		698
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		702
415	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
416	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
417		707
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	709	}
420		710
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	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	}	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
440	}	747	}
441		748
442	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
443		750
444	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
447		754
448	Stores the given C<$value> in the family. It can currently store binary	755	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).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
451	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
452		784
453	our $DB;	785	our $DB;
454		786
455	sub db_init {	787	sub db_init {
456	unless ($DB) {	788	$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	}	789	}
471		790
472	sub db_get($$) {	791	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
474		793
475	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
476	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
477		798
478	$! ? ()	799	$! ? ()
479	: $data	800	: $data
480	}
481	}	801	}
482		802
483	sub db_put($$$) {	803	sub db_put($$$) {
484	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		833
514	my @data;	834	my @data;
515	my $md5;	835	my $md5;
516		836
517	for (0 .. $#$src) {	837	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	839	}
521		840
522	# if processing is expensive, check	841	# if processing is expensive, check
523	# checksum first	842	# checksum first
524	if (1) {	843	if (1) {
525	$md5 =	844	$md5 =
526	join "\x00",	845	join "\x00",
527	$processversion,	846	$processversion,
528	map {	847	map {
529	Coro::cede;	848	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	850	} 0.. $#$src;
532		851
533		852
534	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		860
542	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	862	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
545		864
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		866
548	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
551		870
…		…
561		880
562	=cut	881	=cut
563		882
564	sub datalog($@) {	883	sub datalog($@) {
565	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	886	}
568		887
569	=back	888	=back
570		889
571	=cut	890	=cut
572		891
573	#############################################################################	892	#############################################################################
574		893
575	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
576		895
577	Many objects in crossfire are so-called attachable objects. That means you can	896	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")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
580		899
581	In the following description, CLASS can be any of C<global>, C<object>	900	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	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	902	Deliantra).
584		903
585	=over 4	904	=over 4
586		905
587	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
588		907
…		…
632	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
633		952
634	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
636		955
637	Some classes such as crossfire maps and objects can specify attachments	956	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.	957	that are attached at load/instantiate time, thus the need for a name.
639		958
640	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
641		960
642	=over 4	961	=over 4
…		…
766		1085
767	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1088
770	} elsif (ref $type) {	1089	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
772		1091
773	} else {	1092	} else {
774	shift @arg;	1093	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
776	}	1095	}
777	}	1096	}
778	}	1097	}
779		1098
780	sub _object_attach {	1099	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
791	}	1110	}
792		1111
793	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
794	} else {	1113	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1115	}
797		1116
798	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
799	}	1118	}
800		1119
…		…
840	";	1159	";
841	die if $@;	1160	die if $@;
842	}	1161	}
843		1162
844	our $override;	1163	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1165
847	sub override {	1166	sub override {
848	$override = 1;	1167	$override = 1;
849	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
850	}	1169	}
851		1170
852	sub do_invoke {	1171	sub do_invoke {
853	my $event = shift;	1172	my $event = shift;
854	my $callbacks = shift;	1173	my $callbacks = shift;
855		1174
856	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
857		1176
858	local $override;	1177	local $override;
859		1178
860	for (@$callbacks) {	1179	for (@$callbacks) {
861	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
862		1181
863	if ($@) {	1182	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1184	override;
867	}	1185	}
868		1186
869	return 1 if $override;	1187	return 1 if $override;
870	}	1188	}
871		1189
872	0	1190	0
873	}	1191	}
874		1192
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1194
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1196
879	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
880		1198
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	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	1200	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1202
885	=back	1203	=back
886		1204
887	=cut	1205	=cut
888		1206
889	#############################################################################	1207	#############################################################################
890	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
891		1251
892	sub reattach {	1252	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1254	my ($obj) = @_;
895		1255
		1256	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1258
898	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
899		1260
900	@$registry = ();	1261	@$registry = ();
901		1262
…		…
906	for (@$attach) {	1267	for (@$attach) {
907	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
909	}	1270	}
910	} else {	1271	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1273	}
913	}	1274	}
914	}	1275	}
915		1276
916	cf::attachable->attach (	1277	cf::attachable->attach (
917	prio => -1000000,	1278	prio => -1000000,
918	on_instantiate => sub {	1279	on_instantiate => sub {
919	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
920		1281
921	$data = from_json $data;	1282	$data = decode_json $data;
922		1283
923	for (@$data) {	1284	for (@$data) {
924	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
925		1286
926	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1303	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
944		1305
945	sync_job {	1306	sync_job {
946	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
949		1312
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
954	close $fh;	1320	aio_close $fh;
955		1321
956	if (@$objs) {	1322	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
962	close $fh;	1331	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
964	}	1333	}
965	} else {	1334	} else {
966	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
967	}	1336	}
968		1337
969	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1342	} else {
971	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
972	}	1344	}
973	} else {	1345	} else {
974	aio_unlink $filename;	1346	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
976	}	1348	}
977	}	1349	};
978	}	1350	}
979		1351
980	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
982		1354
…		…
994	or return;	1366	or return;
995		1367
996	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
998	or return;	1370	or return;
		1371
999	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1000	}	1374	}
1001		1375
		1376	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1004	return ($data, $av);	1381	($data, $av)
1005	}	1382	}
1006		1383
1007	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1008		1385
1009	=over 4	1386	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1407	}
1031		1408
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1410
1034	Register a callback fro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
1035		1416
1036	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
1037	called.	1418	called.
1038		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
1039	=cut	1431	=cut
1040		1432
1041	sub register_extcmd {	1433	sub register_extcmd {
1042	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
1043		1435
1044	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
1045	}	1437	}
1046		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
1047	cf::player->attach (	1447	cf::player->attach (
1048	on_command => sub {	1448	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1050		1450
1051	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1052	or return;	1452	or return;
1053		1453
…		…
1058	cf::override;	1458	cf::override;
1059	},	1459	},
1060	on_extcmd => sub {	1460	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1062		1462
1063	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1464
1065	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
1071	} else {	1477	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1479	}
1074		1480
1075	cf::override;	1481	cf::override;
1076	},	1482	},
1077	);	1483	);
1078		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1079	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1080	cf::sync_job {	1501	cf::sync_job {
1081	my %todo;	1502	my %todo;
1082		1503
1083	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1505	next unless -r $path;
…		…
1102		1523
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1526
1106	$ext{source} =	1527	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1109	. $source	1530	. $source
1110	. "\n};\n1";	1531	. "\n};\n1";
1111		1532
1112	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1113	}	1534	}
1114		1535
		1536	my $pass = 0;
1115	my %done;	1537	my %done;
1116	while (%todo) {	1538	while (%todo) {
1117	my $progress;	1539	my $progress;
1118		1540
		1541	++$pass;
		1542
		1543	ext:
1119	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1546	next ext
1122	unless exists $done{$_};	1547	unless exists $done{$_};
1123	}	1548	}
1124		1549
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1551
1127	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1132	warn $msg;	1559
1133	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1561	delete $todo{$k};
1135	}	1562	} else {
1136		1563	$done{$k} = delete $todo{$k};
1137	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1138	}	1569	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1570	}
1144		1571
1145	skip:	1572	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1148	}	1582	}
1149	};	1583	};
1150	}	1584	}
1151		1585
1152	#############################################################################	1586	#############################################################################
1153		1587
1154	=back	1588	=back
1155		1589
1156	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1157		1591
1158	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1159		1593
1160	=cut	1594	=cut
1161		1595
1162	package cf::player;	1596	package cf::player;
1163		1597
1164	use Coro::AIO;	1598	use Coro::AIO;
1165		1599
1166	=head3 cf::player	1600	=head3 cf::player
1167		1601
1168	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1169		1617
1170	=item cf::player::find $login	1618	=item cf::player::find $login
1171		1619
1172	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1173		1621
…		…
1192		1640
1193	sub exists($) {	1641	sub exists($) {
1194	my ($login) = @_;	1642	my ($login) = @_;
1195		1643
1196	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1198	}	1646	}
1199		1647
1200	sub find($) {	1648	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1650	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1661
1214	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1217	}	1671	}
1218	}	1672	}
1219	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1220		1687
1221	sub save($) {	1688	sub save($) {
1222	my ($pl) = @_;	1689	my ($pl) = @_;
1223		1690
1224	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1230		1697
1231	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1233		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1234	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1235	Coro::cede;	1707	cf::cede_to_tick;
1236	}	1708	}
1237		1709
1238	sub new($) {	1710	sub new($) {
1239	my ($login) = @_;	1711	my ($login) = @_;
1240		1712
…		…
1246	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1247		1719
1248	$self	1720	$self
1249	}	1721	}
1250		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1251	=item $pl->quit_character	1733	=item $pl->quit_character
1252		1734
1253	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1255		1737
…		…
1259	my ($pl) = @_;	1741	my ($pl) = @_;
1260		1742
1261	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1262		1744
1263	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1747
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1269	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1270		1756
1271	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1308	or return [];	1794	or return [];
1309		1795
1310	my @logins;	1796	my @logins;
1311		1797
1312	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1316		1808
1317	utf8::decode $login;	1809	utf8::decode $login;
1318	push @logins, $login;	1810	push @logins, $login;
1319	}	1811	}
1320		1812
1321	\@logins	1813	\@logins
1322	}	1814	}
1323		1815
1324	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1325		1819
1326	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1327	player. May block.	1821	player. May block.
1328		1822
1329	=cut	1823	=cut
…		…
1347	}	1841	}
1348		1842
1349	\@paths	1843	\@paths
1350	}	1844	}
1351		1845
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1847
1354	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1355		1849
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1386		1851
1387	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1388		1853
1389	=cut	1854	=cut
1390		1855
1391	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1393		1858
1394	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1860	}
1398		1861
1399	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1400		1863
1401	Sends an ext event to the client.	1864	Sends an ext event to the client.
1402		1865
1403	=cut	1866	=cut
1404		1867
1405	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1407		1870
1408	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1409	}	1872	}
1410		1873
1411	=head3 cf::region	1874	=head3 cf::region
1412		1875
1413	=over 4	1876	=over 4
…		…
1423	=cut	1886	=cut
1424		1887
1425	sub find_by_path($) {	1888	sub find_by_path($) {
1426	my ($path) = @_;	1889	my ($path) = @_;
1427		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1428	my ($match, $specificity);	1893	my ($match, $specificity);
1429		1894
1430	for my $region (list) {	1895	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1434	}	1899	}
1435	}	1900	}
1436		1901
…		…
1457	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1459		1924
1460	sub generate_random_map {	1925	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1462	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1463	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1475	)
1476	}	1931	}
1477		1932
1478	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1479		1934
1480	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1485		1940
1486	sub register {	1941	sub register {
1487	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	1943	my $pkg = caller;
1489		1944
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		1946
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1948	}
1495		1949
1496	# also paths starting with '/'	1950	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1952
1499	sub thawer_merge {	1953	sub thawer_merge {
1500	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1501		1955
1502	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1507	}	1961	}
1508		1962
1509	sub normalise {	1963	sub normalise {
1510	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1511		1965
1512	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1513		1967
1514	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1515		1969
1516	# map plan:	1970	# map plan:
1517	#	1971	#
…		…
1532	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1533	$path = "$base/$path";	1987	$path = "$base/$path";
1534	}	1988	}
1535		1989
1536	for ($path) {	1990	for ($path) {
1537	redo if s{//}{/};
1538	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1539	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1540	}	1993	}
1541		1994
1542	$path	1995	$path
…		…
1556	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1557	return $self;	2010	return $self;
1558	}	2011	}
1559	}	2012	}
1560		2013
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	2015	()
1563	}	2016	}
1564		2017
		2018	# may re-bless or do other evil things
1565	sub init {	2019	sub init {
1566	my ($self) = @_;	2020	my ($self) = @_;
1567		2021
1568	$self	2022	$self
1569	}	2023	}
…		…
1588		2042
1589	# the temporary/swap location	2043	# the temporary/swap location
1590	sub save_path {	2044	sub save_path {
1591	my ($self) = @_;	2045	my ($self) = @_;
1592		2046
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1595	}	2049	}
1596		2050
1597	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1598	sub uniq_path {	2052	sub uniq_path {
1599	my ($self) = @_;	2053	my ($self) = @_;
1600		2054
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2057	}
1613		2058
1614	sub decay_objects {	2059	sub decay_objects {
1615	my ($self) = @_;	2060	my ($self) = @_;
1616		2061
…		…
1629		2074
1630	sub load_header_from($) {	2075	sub load_header_from($) {
1631	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1632		2077
1633	utf8::encode $path;	2078	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2080	or return;
1639		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1640	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1641		2089
1642	1	2090	1
1643	}	2091	}
1644		2092
		2093	# used to laod the header of an original map
1645	sub load_header_orig {	2094	sub load_header_orig {
1646	my ($self) = @_;	2095	my ($self) = @_;
1647		2096
1648	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1649	}	2098	}
1650		2099
		2100	# used to laod the header of an instantiated map
1651	sub load_header_temp {	2101	sub load_header_temp {
1652	my ($self) = @_;	2102	my ($self) = @_;
1653		2103
1654	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1655	}	2105	}
1656		2106
		2107	# called after loading the header from an instantiated map
1657	sub prepare_temp {	2108	sub prepare_temp {
1658	my ($self) = @_;	2109	my ($self) = @_;
1659		2110
1660	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1661	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1662	# safety	2113	# safety
1663	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1664	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1665	}	2116	}
1666		2117
		2118	# called after loading the header from an original map
1667	sub prepare_orig {	2119	sub prepare_orig {
1668	my ($self) = @_;	2120	my ($self) = @_;
1669		2121
1670	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1671	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1695		2147
1696	sub find;	2148	sub find;
1697	sub find {	2149	sub find {
1698	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1699		2151
		2152	cf::cede_to_tick;
		2153
1700	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1701		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2158
1704	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1707	or return;	2161	or return;
1708		2162
1709	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1710		2164
…		…
1712	or return;	2166	or return;
1713		2167
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1717	$map->reset;	2173	$map->reset;
1718	undef $guard;
1719	return find $path;	2174	return find $path;
1720	}	2175	}
1721		2176
1722	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1723	}	2178	}
1724	}	2179	}
1725		2180
1726	sub pre_load { }	2181	sub pre_load { }
1727	sub post_load { }	2182	#sub post_load { } # XS
1728		2183
1729	sub load {	2184	sub load {
1730	my ($self) = @_;	2185	my ($self) = @_;
1731		2186
1732	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1733		2188
1734	my $path = $self->{path};	2189	my $path = $self->{path};
1735		2190
1736	{	2191	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1738		2193
		2194	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1740
1741	$self->in_memory (cf::MAP_LOADING);
1742		2196
1743	$self->alloc;	2197	$self->alloc;
1744		2198
1745	$self->pre_load;	2199	$self->pre_load;
1746	Coro::cede;	2200	cf::cede_to_tick;
1747		2201
1748	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1749	or return;	2206	or return;
1750		2207
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1752	if delete $self->{load_original};	2209	if delete $self->{load_original};
1753		2210
1754	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2212	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2215	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1759	}	2220	}
1760	}
1761		2221
1762	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1763	# now do the right thing for maps	2231	# now do the right thing for maps
1764	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2234	unless $self->difficulty;
1767	Coro::cede;	2235	cf::cede_to_tick;
1768		2236
1769	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2238	$self->decay_objects;
1771	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1772	$self->update_buttons;	2240	$self->update_buttons;
1773	Coro::cede;	2241	cf::cede_to_tick;
1774	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1775	Coro::cede;
1776	$self->activate;
1777	}	2243	}
1778		2244
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1780	}	2247	}
1781		2248
1782	$self->post_load;	2249	$self->post_load;
1783	}
1784		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2257	sub customise_for {
1786	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1787		2259
1788	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2261	if $self->per_player;
…		…
1792	# if $self->per_party;	2264	# if $self->per_party;
1793		2265
1794	$self	2266	$self
1795	}	2267	}
1796		2268
1797	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {
1799	my ($map) = @_;
1800
1801	my @diag; # diagonal neighbours
1802
1803	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)
1805	or next;
1806	$neigh = find $neigh, $map
1807	or next;
1808	$neigh->load;
1809
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}
1813
1814	for (@diag) {
1815	my $neigh = find @$_
1816	or next;
1817	$neigh->load;
1818	}
1819	}
1820
1821	sub find_sync {	2269	sub find_sync {
1822	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1823		2271
1824	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1825	}	2277	}
1826		2278
1827	sub do_load_sync {	2279	sub do_load_sync {
1828	my ($map) = @_;	2280	my ($map) = @_;
1829		2281
1830	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1831	}	2287	}
1832		2288
1833	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1835		2291
1836	sub find_async {	2292	sub find_async {
1837	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1838		2294
1839	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1840		2296
1841	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1843	}	2299	}
1844		2300
1845	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1846	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1847	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2308	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2309	$map->load if $v;
		2310	}
1852		2311
1853	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1854	}	2313	}
1855	}	2314	}
1856	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1857	};	2316	};
1858	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1859		2318
1860	()	2319	()
1861	}	2320	}
1862		2321
		2322	# common code, used by both ->save and ->swapout
1863	sub save {	2323	sub _save {
1864	my ($self) = @_;	2324	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2325
1868	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1869		2327
1870	return unless $self->dirty;	2328	return unless $self->dirty;
1871		2329
…		…
1877	return if $self->{deny_save};	2335	return if $self->{deny_save};
1878		2336
1879	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1880		2338
1881	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1883	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1884		2345
1885	if ($uniq) {	2346	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2349	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2351	}
1891	}	2352	}
1892		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1893	sub swap_out {	2362	sub swap_out {
1894	my ($self) = @_;	2363	my ($self) = @_;
1895		2364
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1901	return if $self->players;	2369	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1905	$self->clear;	2380	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2381	}
1908		2382
1909	sub reset_at {	2383	sub reset_at {
1910	my ($self) = @_;	2384	my ($self) = @_;
1911		2385
…		…
1929		2403
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2405
1932	return if $self->players;	2406	return if $self->players;
1933		2407
1934	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
1935		2409
1936	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1937		2411
1938	# need to save uniques path	2412	# need to save uniques path
1939	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1940	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1941		2415
…		…
1943	if $uniq;	2417	if $uniq;
1944	}	2418	}
1945		2419
1946	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1947		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2424	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2425
1952	$self->unlink_save;	2426	$self->unlink_save;
1953	$self->destroy;	2427	$self->destroy;
1954	}	2428	}
1955		2429
1956	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1957		2431
1958	sub nuke {	2432	sub nuke {
1959	my ($self) = @_;	2433	my ($self) = @_;
1960		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1961	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1962		2439
1963	$self->unlink_save;	2440	$self->unlink_save;
1964		2441
1965	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2447
1971	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1972		2450
1973	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
1974	}	2452	}
1975		2453
1976	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
2018		2496
2019	sub unique_maps() {	2497	sub unique_maps() {
2020	[	2498	[
2021	map {	2499	map {
2022	utf8::decode $_;	2500	utf8::decode $_;
2023	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2024	? normalise $_	2504	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2506	]
2028	}	2507	}
2029		2508
2030	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2031		2540
2032	=back	2541	=back
2033		2542
2034	=head3 cf::object	2543	=head3 cf::object
2035		2544
…		…
2039		2548
2040	=over 4	2549	=over 4
2041		2550
2042	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2043		2552
2044	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2045		2555
2046	=cut	2556	=cut
2047		2557
2048	sub inv_recursive_;	2558	sub inv_recursive_;
2049	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2052		2562
2053	sub inv_recursive {	2563	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2055	}	2565	}
2056		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2057	package cf;	2595	package cf;
2058		2596
2059	=back	2597	=back
2060		2598
2061	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2070		2608
2071	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2072		2624
2073	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2626	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2083		2635
2084	} else {	2636	} else {
2085	my $pl = $self->contr;	2637	my $pl = $self->contr;
2086		2638
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2642
2096	} else {	2643	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2646	}
2100	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
2101	}	2658	}
2102		2659
2103	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
2104		2661
2105	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
2118		2675
2119	=item $player_object->enter_link	2676	=item $player_object->enter_link
2120		2677
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2679
2123	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2125		2684
2126	Will never block.	2685	Will never block.
2127		2686
2128	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2129		2688
…		…
2149	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2709	my ($self) = @_;
2151		2710
2152	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2153		2712
		2713	++$self->{_link_recursion};
		2714
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2716
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2158		2719
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2721	}
2161		2722
2162	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2164		2725
…		…
2181	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2183		2744
2184	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2187		2748
2188	$map->load;	2749	$map->load;
2189	$map->load_diag;
2190		2750
2191	return unless $self->contr->active;	2751	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2752
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2196	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2197		2760
		2761	}
		2762
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2764
2200	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
2204		2773
2205	=cut	2774	=cut
2206		2775
2207	our $GOTOGEN;	2776	our $GOTOGEN;
2208		2777
2209	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2211		2786
2212	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2789
2215	$self->enter_link;	2790	$self->enter_link;
2216		2791
2217	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2218	my $map = eval {	2814	my $map = eval {
2219	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2220		2816
2221	if ($map) {	2817	if ($map) {
2222	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2820	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2822	}
2227		2823
2228	$map	2824	$map
2229	};	2825	};
2230		2826
…		…
2235		2831
2236	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2239	}	2835	}
		2836
		2837	$done->($self) if $done;
2240	})->prio (1);	2838	})->prio (1);
2241	}	2839	}
2242		2840
2243	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2244		2842
…		…
2264	}	2862	}
2265		2863
2266	sub prepare_random_map {	2864	sub prepare_random_map {
2267	my ($exit) = @_;	2865	my ($exit) = @_;
2268		2866
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2869	# that depends on the exit object
2274		2870
2275	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2873	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2282	}	2880	}
2283		2881
2284	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2285		2883
2286	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2289		2887
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2890	undef $fh;
2293	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2294		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2297	}	2899	}
2298	}	2900	}
2299		2901
2300	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2302		2904
2303	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2304		2906
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2907	$self->enter_link;
2317		2908
2318	(async {	2909	(async {
2319	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2320	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2321	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2322		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2323	1;	2948	1
2324	}) {	2949	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2954
2330	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2956	$self->leave_link;
2332	}	2957	}
2333	})->prio (1);	2958	})->prio (1);
2334	}	2959	}
2335		2960
…		…
2349		2974
2350	utf8::encode $text;	2975	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2977	}
2353		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		3005
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	3007	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2360		3010
2361	=cut	3011	=cut
2362		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
2363	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3129
2366	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2367		3132
2368	if ($self->can_msg) {	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380		3134
2381	if ($color >= 0) {	3135	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3136	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3137	$channel = $CHANNEL{$channel};
2384	} else {	3138
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3139	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
2387	}	3147	}
2388	}
2389	}
2390	}
2391		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2392	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2393		3167
2394	Sends an exti event to the client.	3168	Sends an ext event to the client.
2395		3169
2396	=cut	3170	=cut
2397		3171
2398	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2400		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2403	}	3195	}
2404		3196
2405	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2406		3198
2407	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3202
2411	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3204	become reliable at some point in the future.
2413		3205
2414	=cut	3206	=cut
2415		3207
2416	sub cf::client::query {	3208	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3217	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3219
2428	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2430	}	3224	}
2431		3225
2432	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2433	on_reply => sub {	3232	on_reply => sub {
2434	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2435		3234
2436	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2437	# get handled first	3236	# get handled first
…		…
2449	} else {	3248	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3250	}
2452	}	3251	}
2453	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2454	);	3276	);
2455		3277
2456	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2457		3279
2458	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3296
2475	$coro	3297	$coro
2476	}	3298	}
2477		3299
2478	cf::client->attach (	3300	cf::client->attach (
2479	on_destroy => sub {	3301	on_client_destroy => sub {
2480	my ($ns) = @_;	3302	my ($ns) = @_;
2481		3303
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3305	},
2484	);	3306	);
…		…
2499	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2501		3323
2502	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2503		3325
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2505		3331
2506	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2507		3333
2508	=pod	3334	=pod
2509		3335
2510	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2511		3337
2512	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2513	cf::object::player player	3343	cf::object::player
2514	cf::player peaceful	3344	player
2515	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2516		3351
2517	=cut	3352	=cut
2518		3353
2519	for (	3354	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2524	) {	3361	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3364	for @funs;
2529	}	3365	}
2530		3366
…		…
2545		3381
2546	my $qcode = $code;	3382	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2549		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2550	local $_;	3389	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3390
2553	my $eval =	3391	my $eval =
2554	"do {\n"	3392	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3395	. $code
2558	. "\n}"	3396	. "\n}"
2559	;	3397	;
2560		3398
		3399	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2564		3408
2565	if ($@) {	3409	if ($@) {
2566	warn "$@";	3410	warn "$@",
2567	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2569	}	3413	}
2570		3414
2571	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2572	}	3416	}
2573		3417
…		…
2587	=cut	3431	=cut
2588		3432
2589	sub register_script_function {	3433	sub register_script_function {
2590	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2591		3435
2592	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2594	}	3438	}
2595		3439
2596	=back	3440	=back
2597		3441
2598	=cut	3442	=cut
…		…
2601	# the server's init and main functions	3445	# the server's init and main functions
2602		3446
2603	sub load_facedata($) {	3447	sub load_facedata($) {
2604	my ($path) = @_;	3448	my ($path) = @_;
2605		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2606	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2607		3457
2608	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2609	0 < aio_load $path, $facedata
2610	or die "$path: $!";
2611
2612	$facedata = Coro::Storable::thaw $facedata;
2613		3459
2614	$facedata->{version} == 2	3460	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2617	{	3472	{
2618	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2619		3474
2620	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2626	}	3485	}
2627		3486
2628	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2630	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2631	or next;	3491	or next;
		3492
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3496	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3498	}
2637	Coro::cede;	3499
		3500	cf::cede_to_tick;
2638	}	3501	}
2639	}	3502	}
2640		3503
2641	{	3504	{
2642	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2643		3506
2644	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3509	cf::cede_to_tick;
2647	}	3510	}
2648		3511
2649	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2650	}	3513	}
2651		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
		3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3521
		3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3523	cf::face::set_type $idx, $info->{type};
		3524	} else {
		3525	$RESOURCE{$name} = $info; # unused
		3526	}
		3527
		3528	cf::cede_to_tick;
		3529	}
		3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3533
2652	1	3534	1
2653	}	3535	}
2654		3536
		3537	register_exticmd fx_want => sub {
		3538	my ($ns, $want) = @_;
		3539
		3540	while (my ($k, $v) = each %$want) {
		3541	$ns->fx_want ($k, $v);
		3542	}
		3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
2655	sub reload_regions {	3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
2656	load_resource_file "$MAPDIR/regions"	3560	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3561	or die "unable to load regions file\n";
		3562
		3563	for (cf::region::list) {
		3564	$_->{match} = qr/$_->{match}/
		3565	if exists $_->{match};
		3566	}
2658	}	3567	}
2659		3568
2660	sub reload_facedata {	3569	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3570	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3571	or die "unable to load facedata\n";
…		…
2670	sub reload_treasures {	3579	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
2673	}	3582	}
2674		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
2675	sub reload_resources {	3604	sub reload_resources {
2676	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
2677		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
2678	reload_regions;	3612	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3613	reload_treasures;
2683		3614
2684	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
2685	}	3616	}
2686		3617
2687	sub init {	3618	sub reload_config {
2688	reload_resources;	3619	trace "reloading config file...\n";
2689	}
2690		3620
2691	sub cfg_load {	3621	my $config = load_file "$CONFDIR/config";
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3622	utf8::decode $config;
2693	or return;	3623	*CFG = decode_yaml $config;
2694		3624
2695	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;
2697
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3626
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3629
2703	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
2707	};	3634	};
2708	warn $@ if $@;	3635	warn $@ if $@;
2709	}	3636	}
2710	}	3637	}
2711		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
2712	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
2713	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3680	(async {
2717	Event::one_event;	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
2719	};	3684	};
2720		3685
2721	cfg_load;	3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
2722	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
2723	load_extensions;	3709	load_extensions;
2724		3710
2725	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
2727	}	3728	}
2728		3729
2729	#############################################################################	3730	#############################################################################
2730	# initialisation and cleanup	3731	# initialisation and cleanup
2731		3732
2732	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
2733	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
2742	},
2743	);	3739	};
2744	}	3740	}
2745	}	3741	}
2746		3742
2747	sub write_runtime {	3743	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
2749		3745
2750	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
2752		3748
2753	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3750
2755	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
2756		3752
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3754	or return;
2759		3755
2760	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
2773		3769
2774	close $fh	3770	close $fh
2775	or return;	3771	or return;
2776		3772
2777	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3774	and return;
2779		3775
2780	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3777
2782	1	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
2783	}	3829	}
2784		3830
2785	sub emergency_save() {	3831	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
2787		3833
2788	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
2789		3840
2790	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
2791	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3852	$pl->save;
2799	}	3853	}
2800	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
2801		3855
2802	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3861	$map->valid or next;
2806	$map->save;	3862	$map->save;
2807	}	3863	}
2808	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
2809		3865
2810	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
2813	};	3894	};
2814		3895
2815	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
2816	}	3897	}
2817		3898
2818	sub post_cleanup {	3899	sub post_cleanup {
2819	my ($make_core) = @_;	3900	my ($make_core) = @_;
2820		3901
		3902	IO::AIO::flush;
		3903
2821	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
2823	}	3934	}
2824		3935
2825	sub do_reload_perl() {	3936	sub do_reload_perl() {
2826	# can/must only be called in main	3937	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
2828	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
2829	return;	3940	return;
2830	}	3941	}
2831		3942
2832	warn "reloading...";	3943	return if $RELOAD++;
2833		3944
2834	warn "entering sync_job";	3945	my $t1 = AE::time;
2835		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
2836	cf::sync_job {	3953	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	3954	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		3955
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	3958	%EXT_CORO = ();
2865		3959
2866	warn "removing commands";	3960	trace "perl_reload: removing commands";
2867	%COMMAND = ();	3961	%COMMAND = ();
2868		3962
2869	warn "removing ext commands";	3963	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	3964	%EXTCMD = ();
		3965	%EXTICMD = ();
2871		3966
2872	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
2875		3970
2876	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
2877	eval {	3972	eval {
2878	$cb->($pkg);	3973	$cb->($pkg);
2879	1	3974	1
2880	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
2881	}	3980	}
2882		3981
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3985
2891	warn "... unloading $k";	3986	trace "... unloading $k";
2892	delete $INC{$k};	3987	delete $INC{$k};
2893		3988
2894	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
2896		3991
2897	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
2899	}	3997	}
2900		3998
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		4002
2908	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		4006
2912	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
2913	# and global variables created in xs	4008	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
2915		4010
2916	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
2917		4012
2918	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
2919	require cf;	4014	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
2921		4016
2922	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	4018	cf::reload_config;
2924		4019
2925	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	4021	cf::load_extensions;
2927		4022
		4023	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
2934		4031
2935	warn "leaving sync_job";	4032	cf::_post_init 1;
2936		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
2937	1	4036	1
2938	} or do {	4037	} or do {
2939	warn $@;	4038	error $@;
2940	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4040	};
		4041
		4042	--$RELOAD;
2942	};	4043	}
2943		4044
2944	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
2945	};	4047	};
2946		4048
2947	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
2948		4050
2949	sub reload_perl() {	4051	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
2952		4054
2953	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4057
2956	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4059	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
2960	},	4061	};
2961	);	4062	};
2962	}	4063	}
2963		4064
2964	register_command "reload" => sub {	4065	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
2966		4067
2967	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4069	$who->message ("reloading server.");
		4070	async {
		4071	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4072	reload_perl;
		4073	};
2970	}	4074	}
2971	};	4075	};
2972		4076
2973	unshift @INC, $LIBDIR;	4077	#############################################################################
2974		4078
2975	my $bug_warning = 0;	4079	my $bug_warning = 0;
2976		4080
2977	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;
2979
2980	sub wait_for_tick {	4081	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2982	return if $Coro::current == $Coro::main;
2983		4083
2984	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
2985	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;
2987	}	4085	}
2988		4086
2989	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2991	return if $Coro::current == $Coro::main;
2992		4089
2993	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4092	$signal->wait;
2996	}	4093	}
2997		4094
2998	my $min = 1e6;#d#	4095	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3010	return;	4099	return;
3011	}	4100	}
3012		4101
3013	$NOW = $tick_start = Event::time;	4102	cf::one_tick; # one server iteration
3014		4103
3015	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3016		4105
3017	0 && sync_job {#d#	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	4108	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4109	$Coro::current->{desc} = "runtime saver";
3021	or die;	4110	write_runtime_sync
3022		4111	or error "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4112	};
		4113	}
3039		4114
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4116	$sig->send;
3056	}	4117	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3058	$sig->send;
3059	}
3060		4119
3061	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4122
3072	_post_tick;	4123	if (0) {
3073		4124	if ($NEXT_TICK) {
3074		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3075	},	4129	}
3076	);	4130	}
3077		4131
3078	{	4132	{
3079	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4134
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3089		4136	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4138
3105	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4146
3108	cf::sync_job {	4147	cf::sync_job {
3109	eval {	4148	eval {
3110	BDB::db_env_open	4149	BDB::db_env_open
3111	$DB_ENV,	4150	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4154	0666;
3116		4155
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4157	};
3122		4158
3123	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4160	};
3125	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3126	}	4172	}
3127		4173
3128	{	4174	{
		4175	# configure IO::AIO
		4176
3129	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4180	}
3142		4181
3143	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3144		4184
3145	sub _log_backtrace {	4185	sub _log_backtrace {
3146	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3147		4187
3148	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3149		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3150	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3152	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3153	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3154	my @bt = fork_call {	4201	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3166	}	4213	}
3167		4214
3168	@funcs	4215	@funcs
3169	};	4216	};
3170		4217
3171	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4221	--$_log_backtrace;
3174	};	4222	};
3175	} else {	4223	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3178	}	4226	}
3179	}	4227	}
3180		4228
3181	# load additional modules	4229	# load additional modules
3182	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3183		4232
3184	END { cf::emergency_save }	4233	END { cf::emergency_save }
3185		4234
3186	1	4235	1
3187		4236

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