ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 2007 UTC vs.
Revision 1.569 by root, Wed May 4 07:36:40 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
213		324
214	#############################################################################	325	#############################################################################
215		326
216	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
217		328
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	350	$d
240	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
241	}	352	}
242		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
251	=cut	376	=cut
252		377
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		379
255	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
257		444
258	=item cf::lock_wait $string	445	=item cf::lock_wait $string
259		446
260	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
261		448
262	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
263		450
264	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
267	returned.	454	returned.
268		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
269	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
271		461
272	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
273		463
274	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
275		465
276	=cut	466	=cut
277		467
278	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
279		469
280	sub lock_wait($) {	470	sub lock_wait($) {
281	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	472	}
289		473
290	sub lock_acquire($) {	474	sub lock_acquire($) {
291	my ($key) = @_;	475	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	476	}
303		477
304	sub lock_active($) {	478	sub lock_active($) {
305	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	480	}
309		481
310	sub freeze_mainloop {	482	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
312		484
313	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
315	};	556	}
316	$TICK_WATCHER->stop;	557	};
317	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
318	}	572	}
319		573
320	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
321		575
322	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		581
328	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
329		583
330	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
331		585
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	589	acceptable.
336		590
337	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	596	=cut
343		597
344	sub sync_job(&) {	598	sub sync_job(&) {
345	my ($job) = @_;	599	my ($job) = @_;
346		600
347	if ($Coro::current == $Coro::main) {	601	if (in_main) {
348	my $time = Event::time;	602	my $time = AE::time;
349		603
350	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
352		606
353	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	608
355	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
356		610
357	my $busy = 1;	611	my $busy = 1;
358	my @res;	612	my @res;
359		613
360	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	616	@res = eval { $job->() };
362	warn $@ if $@;	617	error $@ if $@;
363	undef $busy;	618	undef $busy;
364	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
365		620
366	while ($busy) {	621	while ($busy) {
367	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
368	}	626	}
		627	}
369		628
370	$time = Event::time - $time;	629	my $time = AE::time - $time;
371		630
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
376		632
377	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
378	} else {	634	} else {
379	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
380		636
…		…
400	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
401		657
402	$coro	658	$coro
403	}	659	}
404		660
405	=item fork_call { }, $args	661	=item fork_call { }, @args
406		662
407	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
411		667
412	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
413		673
414	sub fork_call(&@) {	674	sub fork_call(&@) {
415	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
416		676
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		680
422	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
423	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
424		685
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	687	}
427		688
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
447	}	725	}
448		726
449	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
450		728
451	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
454		732
455	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
458	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
459		762
460	our $DB;	763	our $DB;
461		764
462	sub db_init {	765	sub db_init {
463	unless ($DB) {	766	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	767	}
478		768
479	sub db_get($$) {	769	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
481		771
482	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
483	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
484		776
485	$! ? ()	777	$! ? ()
486	: $data	778	: $data
487	}
488	}	779	}
489		780
490	sub db_put($$$) {	781	sub db_put($$$) {
491	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		811
521	my @data;	812	my @data;
522	my $md5;	813	my $md5;
523		814
524	for (0 .. $#$src) {	815	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	817	}
528		818
529	# if processing is expensive, check	819	# if processing is expensive, check
530	# checksum first	820	# checksum first
531	if (1) {	821	if (1) {
532	$md5 =	822	$md5 =
533	join "\x00",	823	join "\x00",
534	$processversion,	824	$processversion,
535	map {	825	map {
536	Coro::cede;	826	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	828	} 0.. $#$src;
539		829
540		830
541	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		838
549	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	840	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
552		842
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		844
555	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
558		848
…		…
568		858
569	=cut	859	=cut
570		860
571	sub datalog($@) {	861	sub datalog($@) {
572	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	864	}
575		865
576	=back	866	=back
577		867
578	=cut	868	=cut
579		869
580	#############################################################################	870	#############################################################################
581		871
582	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
583		873
584	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
587		877
588	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	880	Deliantra).
591		881
592	=over 4	882	=over 4
593		883
594	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
595		885
…		…
639	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
640		930
641	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
643		933
644	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
646		936
647	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
648		938
649	=over 4	939	=over 4
…		…
773		1063
774	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1066
777	} elsif (ref $type) {	1067	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
779		1069
780	} else {	1070	} else {
781	shift @arg;	1071	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
783	}	1073	}
784	}	1074	}
785	}	1075	}
786		1076
787	sub _object_attach {	1077	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
798	}	1088	}
799		1089
800	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
801	} else {	1091	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1093	}
804		1094
805	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
806	}	1096	}
807		1097
…		…
847	";	1137	";
848	die if $@;	1138	die if $@;
849	}	1139	}
850		1140
851	our $override;	1141	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1143
854	sub override {	1144	sub override {
855	$override = 1;	1145	$override = 1;
856	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
857	}	1147	}
858		1148
859	sub do_invoke {	1149	sub do_invoke {
860	my $event = shift;	1150	my $event = shift;
861	my $callbacks = shift;	1151	my $callbacks = shift;
862		1152
863	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
864		1154
865	local $override;	1155	local $override;
866		1156
867	for (@$callbacks) {	1157	for (@$callbacks) {
868	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
869		1159
870	if ($@) {	1160	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1162	override;
874	}	1163	}
875		1164
876	return 1 if $override;	1165	return 1 if $override;
877	}	1166	}
878		1167
879	0	1168	0
880	}	1169	}
881		1170
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1172
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1174
886	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
887		1176
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1180
892	=back	1181	=back
893		1182
894	=cut	1183	=cut
895		1184
896	#############################################################################	1185	#############################################################################
897	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
898		1229
899	sub reattach {	1230	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1232	my ($obj) = @_;
902		1233
		1234	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1236
905	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
906		1238
907	@$registry = ();	1239	@$registry = ();
908		1240
…		…
913	for (@$attach) {	1245	for (@$attach) {
914	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
916	}	1248	}
917	} else {	1249	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1251	}
920	}	1252	}
921	}	1253	}
922		1254
923	cf::attachable->attach (	1255	cf::attachable->attach (
924	prio => -1000000,	1256	prio => -1000000,
925	on_instantiate => sub {	1257	on_instantiate => sub {
926	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
927		1259
928	$data = from_json $data;	1260	$data = decode_json $data;
929		1261
930	for (@$data) {	1262	for (@$data) {
931	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
932		1264
933	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1281	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
951		1283
952	sync_job {	1284	sync_job {
953	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
956		1290
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
961	close $fh;	1298	aio_close $fh;
962		1299
963	if (@$objs) {	1300	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
969	close $fh;	1309	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
971	}	1311	}
972	} else {	1312	} else {
973	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
974	}	1314	}
975		1315
976	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1320	} else {
978	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
979	}	1322	}
980	} else {	1323	} else {
981	aio_unlink $filename;	1324	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
983	}	1326	}
984	}	1327	};
985	}	1328	}
986		1329
987	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
989		1332
…		…
1001	or return;	1344	or return;
1002		1345
1003	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1348	or return;
		1349
1006	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1007	}	1352	}
1008		1353
		1354	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1011	return ($data, $av);	1359	($data, $av)
1012	}	1360	}
1013		1361
1014	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1015		1363
1016	=over 4	1364	=over 4
…		…
1070	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1071		1419
1072	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1073	}	1421	}
1074		1422
		1423	use File::Glob ();
		1424
1075	cf::player->attach (	1425	cf::player->attach (
1076	on_command => sub {	1426	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1078		1428
1079	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1080	or return;	1430	or return;
1081		1431
…		…
1089	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1090		1440
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1442
1093	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1099	} else {	1458	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1460	}
1102		1461
1103	cf::override;	1462	cf::override;
1104	},	1463	},
1105	);	1464	);
1106		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1107	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1108	cf::sync_job {	1482	cf::sync_job {
1109	my %todo;	1483	my %todo;
1110		1484
1111	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1486	next unless -r $path;
…		…
1130		1504
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1507
1134	$ext{source} =	1508	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1137	. $source	1511	. $source
1138	. "\n};\n1";	1512	. "\n};\n1";
1139		1513
1140	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1141	}	1515	}
1142		1516
		1517	my $pass = 0;
1143	my %done;	1518	my %done;
1144	while (%todo) {	1519	while (%todo) {
1145	my $progress;	1520	my $progress;
1146		1521
		1522	++$pass;
		1523
		1524	ext:
1147	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1527	next ext
1150	unless exists $done{$_};	1528	unless exists $done{$_};
1151	}	1529	}
1152		1530
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1532
1155	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1160	warn $msg;	1540
1161	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1542	delete $todo{$k};
1163	}	1543	} else {
1164		1544	$done{$k} = delete $todo{$k};
1165	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1166	}	1550	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1551	}
1172		1552
1173	skip:	1553	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1176	}	1563	}
1177	};	1564	};
1178	}	1565	}
1179		1566
1180	#############################################################################	1567	#############################################################################
1181		1568
1182	=back	1569	=back
1183		1570
1184	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1185		1572
1186	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1187		1574
1188	=cut	1575	=cut
1189		1576
1190	package cf::player;	1577	package cf::player;
1191		1578
1192	use Coro::AIO;	1579	use Coro::AIO;
1193		1580
1194	=head3 cf::player	1581	=head3 cf::player
1195		1582
1196	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1197		1598
1198	=item cf::player::find $login	1599	=item cf::player::find $login
1199		1600
1200	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1201		1602
…		…
1220		1621
1221	sub exists($) {	1622	sub exists($) {
1222	my ($login) = @_;	1623	my ($login) = @_;
1223		1624
1224	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1226	}	1627	}
1227		1628
1228	sub find($) {	1629	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1631	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1642
1242	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1245	}	1652	}
1246	}	1653	}
1247	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1248		1668
1249	sub save($) {	1669	sub save($) {
1250	my ($pl) = @_;	1670	my ($pl) = @_;
1251		1671
1252	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1258		1678
1259	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1261		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1262	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1263	Coro::cede;	1688	cf::cede_to_tick;
1264	}	1689	}
1265		1690
1266	sub new($) {	1691	sub new($) {
1267	my ($login) = @_;	1692	my ($login) = @_;
1268		1693
…		…
1274	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1275		1700
1276	$self	1701	$self
1277	}	1702	}
1278		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1279	=item $pl->quit_character	1714	=item $pl->quit_character
1280		1715
1281	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1283		1718
…		…
1287	my ($pl) = @_;	1722	my ($pl) = @_;
1288		1723
1289	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1290		1725
1291	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1728
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1297	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1298		1737
1299	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1336	or return [];	1775	or return [];
1337		1776
1338	my @logins;	1777	my @logins;
1339		1778
1340	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1344		1789
1345	utf8::decode $login;	1790	utf8::decode $login;
1346	push @logins, $login;	1791	push @logins, $login;
1347	}	1792	}
1348		1793
1349	\@logins	1794	\@logins
1350	}	1795	}
1351		1796
1352	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1353		1800
1354	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1355	player. May block.	1802	player. May block.
1356		1803
1357	=cut	1804	=cut
…		…
1375	}	1822	}
1376		1823
1377	\@paths	1824	\@paths
1378	}	1825	}
1379		1826
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1828
1382	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1383		1830
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1414		1832
1415	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1416		1834
1417	=cut	1835	=cut
1418		1836
1419	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1421		1839
1422	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1841	}
1425		1842
1426	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1427		1844
1428	Sends an ext event to the client.	1845	Sends an ext event to the client.
1429		1846
1430	=cut	1847	=cut
1431		1848
1432	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1434		1851
1435	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1436	}	1853	}
1437		1854
1438	=head3 cf::region	1855	=head3 cf::region
1439		1856
1440	=over 4	1857	=over 4
…		…
1450	=cut	1867	=cut
1451		1868
1452	sub find_by_path($) {	1869	sub find_by_path($) {
1453	my ($path) = @_;	1870	my ($path) = @_;
1454		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1455	my ($match, $specificity);	1874	my ($match, $specificity);
1456		1875
1457	for my $region (list) {	1876	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1461	}	1880	}
1462	}	1881	}
1463		1882
…		…
1484	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1486		1905
1487	sub generate_random_map {	1906	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1489	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1490	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1498	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1499	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1501	(cf::region::find $rmp->{region}), $rmp->{custom}
1502	)
1503	}	1912	}
1504		1913
1505	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1506		1915
1507	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1512		1921
1513	sub register {	1922	sub register {
1514	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1924	my $pkg = caller;
1516		1925
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1927
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1929	}
1522		1930
1523	# also paths starting with '/'	1931	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1933
1526	sub thawer_merge {	1934	sub thawer_merge {
1527	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1528		1936
1529	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1534	}	1942	}
1535		1943
1536	sub normalise {	1944	sub normalise {
1537	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1538		1946
1539	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1540		1948
1541	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1542		1950
1543	# map plan:	1951	# map plan:
1544	#	1952	#
…		…
1559	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1560	$path = "$base/$path";	1968	$path = "$base/$path";
1561	}	1969	}
1562		1970
1563	for ($path) {	1971	for ($path) {
1564	redo if s{//}{/};
1565	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1566	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1567	}	1974	}
1568		1975
1569	$path	1976	$path
…		…
1583	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1584	return $self;	1991	return $self;
1585	}	1992	}
1586	}	1993	}
1587		1994
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1589	()	1996	()
1590	}	1997	}
1591		1998
		1999	# may re-bless or do other evil things
1592	sub init {	2000	sub init {
1593	my ($self) = @_;	2001	my ($self) = @_;
1594		2002
1595	$self	2003	$self
1596	}	2004	}
…		…
1615		2023
1616	# the temporary/swap location	2024	# the temporary/swap location
1617	sub save_path {	2025	sub save_path {
1618	my ($self) = @_;	2026	my ($self) = @_;
1619		2027
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1622	}	2030	}
1623		2031
1624	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1625	sub uniq_path {	2033	sub uniq_path {
1626	my ($self) = @_;	2034	my ($self) = @_;
1627		2035
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	2038	}
1640		2039
1641	sub decay_objects {	2040	sub decay_objects {
1642	my ($self) = @_;	2041	my ($self) = @_;
1643		2042
…		…
1656		2055
1657	sub load_header_from($) {	2056	sub load_header_from($) {
1658	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1659		2058
1660	utf8::encode $path;	2059	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	2061	or return;
1666		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1667	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1668		2070
1669	1	2071	1
1670	}	2072	}
1671		2073
		2074	# used to laod the header of an original map
1672	sub load_header_orig {	2075	sub load_header_orig {
1673	my ($self) = @_;	2076	my ($self) = @_;
1674		2077
1675	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1676	}	2079	}
1677		2080
		2081	# used to laod the header of an instantiated map
1678	sub load_header_temp {	2082	sub load_header_temp {
1679	my ($self) = @_;	2083	my ($self) = @_;
1680		2084
1681	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1682	}	2086	}
1683		2087
		2088	# called after loading the header from an instantiated map
1684	sub prepare_temp {	2089	sub prepare_temp {
1685	my ($self) = @_;	2090	my ($self) = @_;
1686		2091
1687	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1688	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1689	# safety	2094	# safety
1690	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1691	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1692	}	2097	}
1693		2098
		2099	# called after loading the header from an original map
1694	sub prepare_orig {	2100	sub prepare_orig {
1695	my ($self) = @_;	2101	my ($self) = @_;
1696		2102
1697	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1698	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1722		2128
1723	sub find;	2129	sub find;
1724	sub find {	2130	sub find {
1725	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1726		2132
		2133	cf::cede_to_tick;
		2134
1727	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1728		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2139
1731	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1734	or return;	2142	or return;
1735		2143
1736	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1737		2145
…		…
1739	or return;	2147	or return;
1740		2148
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1744	$map->reset;	2154	$map->reset;
1745	undef $guard;
1746	return find $path;	2155	return find $path;
1747	}	2156	}
1748		2157
1749	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1750	}	2159	}
1751	}	2160	}
1752		2161
1753	sub pre_load { }	2162	sub pre_load { }
1754	sub post_load { }	2163	#sub post_load { } # XS
1755		2164
1756	sub load {	2165	sub load {
1757	my ($self) = @_;	2166	my ($self) = @_;
1758		2167
1759	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1760		2169
1761	my $path = $self->{path};	2170	my $path = $self->{path};
1762		2171
1763	{	2172	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1765		2174
		2175	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1767
1768	$self->in_memory (cf::MAP_LOADING);
1769		2177
1770	$self->alloc;	2178	$self->alloc;
1771		2179
1772	$self->pre_load;	2180	$self->pre_load;
1773	Coro::cede;	2181	cf::cede_to_tick;
1774		2182
1775	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1776	or return;	2187	or return;
1777		2188
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1779	if delete $self->{load_original};	2190	if delete $self->{load_original};
1780		2191
1781	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2193	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2196	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1786	}	2201	}
1787	}
1788		2202
1789	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->in_memory (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1790	# now do the right thing for maps	2212	# now do the right thing for maps
1791	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2215	unless $self->difficulty;
1794	Coro::cede;	2216	cf::cede_to_tick;
1795		2217
1796	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2219	$self->decay_objects;
1798	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1799	$self->update_buttons;	2221	$self->update_buttons;
1800	Coro::cede;	2222	cf::cede_to_tick;
1801	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1802	Coro::cede;
1803	$self->activate;
1804	}	2224	}
1805		2225
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1807	}	2228	}
1808		2229
1809	$self->post_load;	2230	$self->post_load;
1810	}
1811		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1812	sub customise_for {	2238	sub customise_for {
1813	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1814		2240
1815	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2242	if $self->per_player;
…		…
1820		2246
1821	$self	2247	$self
1822	}	2248	}
1823		2249
1824	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2251	sub load_neighbours {
1826	my ($map) = @_;	2252	my ($map) = @_;
1827		2253
1828	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1829		2255
1830	for (0 .. 3) {	2256	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1832	or next;	2258	or next;
1833	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1834	or next;	2260	or next;
1835	$neigh->load;	2261	$neigh->load;
1836		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2267	}
1840		2268
1841	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1843	or next;	2272	or next;
1844	$neigh->load;	2273	$neigh->load;
1845	}	2274	}
1846	}	2275	}
1847		2276
1848	sub find_sync {	2277	sub find_sync {
1849	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1850		2279
1851	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1852	}	2285	}
1853		2286
1854	sub do_load_sync {	2287	sub do_load_sync {
1855	my ($map) = @_;	2288	my ($map) = @_;
1856		2289
1857	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1858	}	2295	}
1859		2296
1860	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1862		2299
1863	sub find_async {	2300	sub find_async {
1864	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1865		2302
1866	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1867		2304
1868	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1870	}	2307	}
1871		2308
1872	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1873	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1874	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2316	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2317	$map->load if $v;
		2318	}
1879		2319
1880	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1881	}	2321	}
1882	}	2322	}
1883	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1884	};	2324	};
1885	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1886		2326
1887	()	2327	()
1888	}	2328	}
1889		2329
		2330	# common code, used by both ->save and ->swapout
1890	sub save {	2331	sub _save {
1891	my ($self) = @_;	2332	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2333
1895	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1896		2335
1897	return unless $self->dirty;	2336	return unless $self->dirty;
1898		2337
…		…
1904	return if $self->{deny_save};	2343	return if $self->{deny_save};
1905		2344
1906	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1907		2346
1908	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1910	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1911		2353
1912	if ($uniq) {	2354	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2357	} else {
1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917	}	2359	}
1918	}	2360	}
1919		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1920	sub swap_out {	2370	sub swap_out {
1921	my ($self) = @_;	2371	my ($self) = @_;
1922		2372
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1928	return if $self->players;	2377	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1932	$self->clear;	2388	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2389	}
1935		2390
1936	sub reset_at {	2391	sub reset_at {
1937	my ($self) = @_;	2392	my ($self) = @_;
1938		2393
…		…
1956		2411
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2413
1959	return if $self->players;	2414	return if $self->players;
1960		2415
1961	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
1962		2417
1963	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1964		2419
1965	# need to save uniques path	2420	# need to save uniques path
1966	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2425	if $uniq;
1971	}	2426	}
1972		2427
1973	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1974		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2432	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2433
1979	$self->unlink_save;	2434	$self->unlink_save;
1980	$self->destroy;	2435	$self->destroy;
1981	}	2436	}
1982		2437
1983	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1984		2439
1985	sub nuke {	2440	sub nuke {
1986	my ($self) = @_;	2441	my ($self) = @_;
1987		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1988	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1989		2447
1990	$self->unlink_save;	2448	$self->unlink_save;
1991		2449
1992	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2455
1998	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1999		2458
2000	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
2001	}	2460	}
2002		2461
2003	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
2045		2504
2046	sub unique_maps() {	2505	sub unique_maps() {
2047	[	2506	[
2048	map {	2507	map {
2049	utf8::decode $_;	2508	utf8::decode $_;
2050	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2051	? normalise $_	2512	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2514	]
2055	}	2515	}
2056		2516
2057	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2058		2548
2059	=back	2549	=back
2060		2550
2061	=head3 cf::object	2551	=head3 cf::object
2062		2552
…		…
2066		2556
2067	=over 4	2557	=over 4
2068		2558
2069	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2070		2560
2071	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2072		2563
2073	=cut	2564	=cut
2074		2565
2075	sub inv_recursive_;	2566	sub inv_recursive_;
2076	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2079		2570
2080	sub inv_recursive {	2571	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2082	}	2573	}
2083		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
2084	package cf;	2603	package cf;
2085		2604
2086	=back	2605	=back
2087		2606
2088	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
2094	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2096	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2097		2616
2098	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
2099		2632
2100	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2634	# with dialog boxes.
2102	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2103	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
2110		2643
2111	} else {	2644	} else {
2112	my $pl = $self->contr;	2645	my $pl = $self->contr;
2113		2646
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2650
2123	} else {	2651	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2654	}
2127	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
2128	}	2666	}
2129		2667
2130	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
2131		2669
2132	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
2145		2683
2146	=item $player_object->enter_link	2684	=item $player_object->enter_link
2147		2685
2148	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2149		2687
2150	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2151	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2152		2692
2153	Will never block.	2693	Will never block.
2154		2694
2155	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2156		2696
…		…
2176	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2717	my ($self) = @_;
2178		2718
2179	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2180		2720
		2721	++$self->{_link_recursion};
		2722
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2724
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2185		2727
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2729	}
2188		2730
2189	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2191		2733
…		…
2208	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2210		2752
2211	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2214		2756
2215	$map->load;	2757	$map->load;
2216	$map->load_diag;	2758	$map->load_neighbours;
2217		2759
2218	return unless $self->contr->active;	2760	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2761
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2223	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2224		2769
		2770	}
		2771
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2773
2227	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2229	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
2231		2782
2232	=cut	2783	=cut
2233		2784
2234	our $GOTOGEN;	2785	our $GOTOGEN;
2235		2786
2236	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2238		2795
2239	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2798
2242	$self->enter_link;	2799	$self->enter_link;
2243		2800
2244	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2245	my $map = eval {	2823	my $map = eval {
2246	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2247		2825
2248	if ($map) {	2826	if ($map) {
2249	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2829	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2831	}
2254		2832
2255	$map	2833	$map
2256	};	2834	};
2257		2835
…		…
2262		2840
2263	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2266	}	2844	}
		2845
		2846	$done->($self) if $done;
2267	})->prio (1);	2847	})->prio (1);
2268	}	2848	}
2269		2849
2270	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2271		2851
…		…
2291	}	2871	}
2292		2872
2293	sub prepare_random_map {	2873	sub prepare_random_map {
2294	my ($exit) = @_;	2874	my ($exit) = @_;
2295		2875
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2878	# that depends on the exit object
2301		2879
2302	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2882	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2309	}	2889	}
2310		2890
2311	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2312		2892
2313	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2316		2896
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2899	undef $fh;
2320	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2321		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2324	}	2908	}
2325	}	2909	}
2326		2910
2327	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2329		2913
2330	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2331		2915
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2916	$self->enter_link;
2344		2917
2345	(async {	2918	(async {
2346	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2347	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2348	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2349		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2350	1;	2957	1
2351	}) {	2958	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2963
2357	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2965	$self->leave_link;
2359	}	2966	}
2360	})->prio (1);	2967	})->prio (1);
2361	}	2968	}
2362		2969
…		…
2376		2983
2377	utf8::encode $text;	2984	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2986	}
2380		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		3014
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	3016	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2387		3019
2388	=cut	3020	=cut
2389		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
2390	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3138
2393	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2394		3141
2395	if ($self->can_msg) {	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3143
2408	if ($color >= 0) {	3144	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3145	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3146	$channel = $CHANNEL{$channel};
2411	} else {	3147
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3148	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
2414	}	3156	}
2415	}
2416	}
2417	}
2418		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2419	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2420		3176
2421	Sends an ext event to the client.	3177	Sends an ext event to the client.
2422		3178
2423	=cut	3179	=cut
2424		3180
2425	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2427		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2430	}	3208	}
2431		3209
2432	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2433		3211
2434	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	3267	my ($ns, $buf) = @_;
2490		3268
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		3270
2493	if (ref $msg) {	3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3279	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	3280	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
2500	} else {	3286	} else {
2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2502	}	3288	}
2503		3289
2504	cf::override;	3290	cf::override;
2505	},	3291	},
2506	);	3292	);
…		…
2526		3312
2527	$coro	3313	$coro
2528	}	3314	}
2529		3315
2530	cf::client->attach (	3316	cf::client->attach (
2531	on_destroy => sub {	3317	on_client_destroy => sub {
2532	my ($ns) = @_;	3318	my ($ns) = @_;
2533		3319
2534	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2535	},	3321	},
2536	);	3322	);
…		…
2551	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2553		3339
2554	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2555		3341
2556	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2557		3347
2558	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2559		3349
2560	=pod	3350	=pod
2561		3351
2562	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2563		3353
2564	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2565	cf::object::player player	3359	cf::object::player
2566	cf::player peaceful	3360	player
2567	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2568		3367
2569	=cut	3368	=cut
2570		3369
2571	for (	3370	for (
2572	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2573	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2575	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2576	) {	3377	) {
2577	no strict 'refs';
2578	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2579	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2580	for @funs;	3380	for @funs;
2581	}	3381	}
2582		3382
…		…
2597		3397
2598	my $qcode = $code;	3398	my $qcode = $code;
2599	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2600	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2601		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2602	local $_;	3405	local $_;
2603	local @safe::cf::_safe_eval_args = values %vars;
2604		3406
2605	my $eval =	3407	my $eval =
2606	"do {\n"	3408	"do {\n"
2607	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2608	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2609	. $code	3411	. $code
2610	. "\n}"	3412	. "\n}"
2611	;	3413	;
2612		3414
		3415	if ($CFG{safe_eval}) {
2613	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2614	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2615	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2616		3424
2617	if ($@) {	3425	if ($@) {
2618	warn "$@";	3426	warn "$@",
2619	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2620	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2621	}	3429	}
2622		3430
2623	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2624	}	3432	}
2625		3433
…		…
2639	=cut	3447	=cut
2640		3448
2641	sub register_script_function {	3449	sub register_script_function {
2642	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2643		3451
2644	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2645	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2646	}	3454	}
2647		3455
2648	=back	3456	=back
2649		3457
2650	=cut	3458	=cut
…		…
2653	# the server's init and main functions	3461	# the server's init and main functions
2654		3462
2655	sub load_facedata($) {	3463	sub load_facedata($) {
2656	my ($path) = @_;	3464	my ($path) = @_;
2657		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2658	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2659		3473
2660	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2661	0 < aio_load $path, $facedata
2662	or die "$path: $!";
2663
2664	$facedata = Coro::Storable::thaw $facedata;
2665		3475
2666	$facedata->{version} == 2	3476	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2669	{	3488	{
2670	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2671		3490
2672	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2677	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2678	}	3501	}
2679		3502
2680	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2682	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2683	or next;	3507	or next;
		3508
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3512	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3514	}
2689	Coro::cede;	3515
		3516	cf::cede_to_tick;
2690	}	3517	}
2691	}	3518	}
2692		3519
2693	{	3520	{
2694	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2695		3522
2696	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3525	cf::cede_to_tick;
2699	}	3526	}
2700		3527
2701	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2702	}	3529	}
2703		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2704	1	3550	1
2705	}	3551	}
2706		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
2707	sub reload_regions {	3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
2708	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2709	or die "unable to load regions file\n";	3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
2710	}	3583	}
2711		3584
2712	sub reload_facedata {	3585	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
2715	}	3588	}
2716		3589
2717	sub reload_archetypes {	3590	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3593	}
2726		3594
2727	sub reload_treasures {	3595	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2730	}	3598	}
2731		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2732	sub reload_resources {	3620	sub reload_resources {
2733	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2734		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2735	reload_regions;	3628	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3629	reload_treasures;
2740		3630
2741	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2742	}	3632	}
2743		3633
2744	sub init {	3634	sub reload_config {
2745	reload_resources;	3635	trace "reloading config file...\n";
2746	}
2747		3636
2748	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2750	or return;	3639	*CFG = decode_yaml $config;
2751		3640
2752	local $/;
2753	*CFG = YAML::Syck::Load <$fh>;
2754
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2756		3642
2757	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2758	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2759		3645
2760	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2764	};	3650	};
2765	warn $@ if $@;	3651	warn $@ if $@;
2766	}	3652	}
2767	}	3653	}
2768		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2769	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2770	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2772	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2773	(async {	3696	(async {
2774	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2776	};	3700	};
2777		3701
2778	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2779	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2780	load_extensions;	3725	load_extensions;
2781		3726
2782	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2783	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2784	}	3745	}
2785		3746
2786	#############################################################################	3747	#############################################################################
2787	# initialisation and cleanup	3748	# initialisation and cleanup
2788		3749
2789	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2790	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2799	},
2800	);	3756	};
2801	}	3757	}
2802	}	3758	}
2803		3759
2804	sub write_runtime {	3760	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
2806		3762
2807	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
2809		3765
2810	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3767
2812	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
2813		3769
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2815	or return;	3771	or return;
2816		3772
2817	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
2830		3786
2831	close $fh	3787	close $fh
2832	or return;	3788	or return;
2833		3789
2834	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3791	and return;
2836		3792
2837	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2838		3794
2839	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2840	}	3846	}
2841		3847
2842	sub emergency_save() {	3848	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2844		3850
2845	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2846		3857
2847	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2848	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3869	$pl->save;
2856	}	3870	}
2857	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2858		3872
2859	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2860	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3878	$map->valid or next;
2863	$map->save;	3879	$map->save;
2864	}	3880	}
2865	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2866		3882
2867	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2869	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2870	};	3911	};
2871		3912
2872	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2873	}	3914	}
2874		3915
2875	sub post_cleanup {	3916	sub post_cleanup {
2876	my ($make_core) = @_;	3917	my ($make_core) = @_;
2877		3918
		3919	IO::AIO::flush;
		3920
2878	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2879	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2880	}	3951	}
2881		3952
2882	sub do_reload_perl() {	3953	sub do_reload_perl() {
2883	# can/must only be called in main	3954	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2885	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2886	return;	3957	return;
2887	}	3958	}
2888		3959
2889	warn "reloading...";	3960	return if $RELOAD++;
2890		3961
2891	warn "entering sync_job";	3962	my $t1 = AE::time;
2892		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2893	cf::sync_job {	3970	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark
2895	cf::emergency_save;	3971	#cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark
2897		3972
2898	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;
2900
2901	# if anything goes wrong in here, we should simply crash as we already saved
2902
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;
2914	warn "iterate...";
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();	3975	%EXT_CORO = ();
2922		3976
2923	warn "removing commands";	3977	trace "perl_reload: removing commands";
2924	%COMMAND = ();	3978	%COMMAND = ();
2925		3979
2926	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
2927	%EXTCMD = ();	3981	%EXTCMD = ();
2928	%EXTICMD = ();	3982	%EXTICMD = ();
2929		3983
2930	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2933		3987
2934	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2935	eval {	3989	eval {
2936	$cb->($pkg);	3990	$cb->($pkg);
2937	1	3991	1
2938	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2939	}	3997	}
2940		3998
2941	warn "... nuking $pkg";
2942	Symbol::delete_package $pkg;
2943	}
2944
2945	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2946	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		4002
2949	warn "... unloading $k";	4003	trace "... unloading $k";
2950	delete $INC{$k};	4004	delete $INC{$k};
2951		4005
2952	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2954		4008
2955	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2956	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2957	}	4014	}
2958		4015
2959	Symbol::delete_package $k;
2960	}
2961
2962	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2964	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2965		4019
2966	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2969		4023
2970	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2971	# and global variables created in xs	4025	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2973		4027
2974	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2975		4029
2976	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2977	require cf;	4031	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2979		4033
2980	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2981	cf::cfg_load;	4035	cf::reload_config;
2982		4036
2983	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2984	cf::load_extensions;	4038	cf::load_extensions;
2985		4039
		4040	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2989	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2992		4048
2993	warn "leaving sync_job";	4049	cf::_post_init 1;
2994		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2995	1	4053	1
2996	} or do {	4054	} or do {
2997	warn $@;	4055	error $@;
2998	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2999	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3000	};	4060	}
3001		4061
3002	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3003	};	4064	};
3004		4065
3005	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3006		4067
3007	sub reload_perl() {	4068	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3010		4071
3011	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	4074
3014	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	4076	do_reload_perl;
3017	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3018	},	4078	};
3019	);	4079	};
3020	}	4080	}
3021		4081
3022	register_command "reload" => sub {	4082	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3024		4084
3025	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	4089	reload_perl;
		4090	};
3028	}	4091	}
3029	};	4092	};
3030		4093
3031	unshift @INC, $LIBDIR;	4094	#############################################################################
3032		4095
3033	my $bug_warning = 0;	4096	my $bug_warning = 0;
3034		4097
3035	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3037		4100
3038	sub wait_for_tick {	4101	sub wait_for_tick() {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		4103
3042	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;	4106	$signal->wait;
3045	}	4107	}
3046		4108
3047	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3048	return unless $TICK_WATCHER->is_active;
3049	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3050		4111
3051	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	4114	$signal->wait;
3054	}	4115	}
3055		4116
3056	my $min = 1e6;#d#	4117	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3068	return;	4121	return;
3069	}	4122	}
3070		4123
3071	$NOW = $tick_start = Event::time;
3072
3073	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3074		4125
3075	0 && sync_job {#d#	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3076	for(1..10) {
3077	my $t = Event::time;
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3079	or die;
3080		4127
3081	$map->width (50);	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3082	$map->height (50);	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3083	$map->alloc;	4130	Coro::async_pool {
3084	$map->_load_objects ("/tmp/x.map", 1);	4131	$Coro::current->{desc} = "runtime saver";
3085	my $t = Event::time - $t;	4132	write_runtime_sync
3086		4133	or error "ERROR: unable to write runtime file: $!";
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	4134	};
		4135	}
3097		4136
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	4138	$sig->send;
3114	}	4139	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3116	$sig->send;	4141	$sig->send;
3117	}	4142	}
3118		4143
3119	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		4146
3130	_post_tick;	4147	if (0) {
3131		4148	if ($NEXT_TICK) {
3132		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3133	},	4153	}
3134	);	4154	}
3135		4155
3136	{	4156	{
3137	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	4158
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3147		4160	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		4162
3163	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3164	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3165		4170
3166	cf::sync_job {	4171	cf::sync_job {
3167	eval {	4172	eval {
3168	BDB::db_env_open	4173	BDB::db_env_open
3169	$DB_ENV,	4174	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	4178	0666;
3174		4179
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	4181	};
3180		4182
3181	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	4184	};
3183	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
3184	}	4196	}
3185		4197
3186	{	4198	{
		4199	# configure IO::AIO
		4200
3187	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	4204	}
3200		4205
3201	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3202		4208
3203	sub _log_backtrace {	4209	sub _log_backtrace {
3204	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3205		4211
3206	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3207		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3208	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3210	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3211	async {	4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
3212	my @bt = fork_call {	4225	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3216	or die "addr2line: $!";	4229	or die "addr2line: $!";
…		…
3224	}	4237	}
3225		4238
3226	@funcs	4239	@funcs
3227	};	4240	};
3228		4241
3229	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	4245	--$_log_backtrace;
3232	};	4246	};
3233	} else {	4247	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3235	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3236	}	4250	}
3237	}	4251	}
3238		4252
3239	# load additional modules	4253	# load additional modules
3240	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3241		4256
3242	END { cf::emergency_save }	4257	END { cf::emergency_save }
3243		4258
3244	1	4259	1
3245		4260

Diff Legend

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