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 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
33	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;
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	123	our $NEXT_TICK;
45	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		132
47	our %CFG;	133	our %CFG;
48		134
49	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
51		138
52	our %MAP; # all maps	139	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	140	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	141	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	142
		143	# used to convert map paths into valid unix filenames by replacing / by ∕
		144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		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 $REALLY_UNLOOP; # never set to true, please :)
56		155
57	binmode STDOUT;	156	binmode STDOUT;
58	binmode STDERR;	157	binmode STDERR;
59		158
60	# read virtual server time, if available	159	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
65	}	164	}
66		165
67	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		167
73	# a special map that is always available	168	mkdir $_
74	our $LINK_MAP;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		170
75	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		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::"} };
76		189
77	#############################################################################	190	#############################################################################
78		191
79	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
80		193
…		…
87	=item $cf::RUNTIME	200	=item $cf::RUNTIME
88		201
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	203	every server tick.
91		204
92	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		208
94	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
96		213
97	=item $cf::NOW	214	=item $cf::NOW
98		215
99	The time of the last (current) server tick.	216	The time of the last (current) server tick.
100		217
101	=item $cf::TICK	218	=item $cf::TICK
102		219
103	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
104		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
105	=item %cf::CFG	232	=item %cf::CFG
106		233
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	235	from wherever your confdir points to.
109		236
		237	=item cf::wait_for_tick, cf::wait_for_tick_begin
		238
		239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		240	returns directly I<after> the tick processing (and consequently, can only wake one thread
		241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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
110	=back	260	=back
111		261
112	=cut	262	=cut
113		263
114	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
115	*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 {
116	my $msg = join "", @_;	271	my $msg = join "", @_;
117	utf8::encode $msg;
118		272
119	$msg .= "\n"	273	$msg .= "\n"
120	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
121		275
122	LOG llevError, "cfperl: $msg";	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
123	};	277
124	}	278	LOG llevWarn, $msg;
		279	};
		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	};
125		294
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		302
133	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	304	# within the Safe compartment.
135	for my $pkg (qw(	305	for my $pkg (qw(
136	cf::global cf::attachable	306	cf::global cf::attachable
137	cf::object cf::object::player	307	cf::object cf::object::player
138	cf::client cf::player	308	cf::client cf::player
139	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
140	cf::map cf::party cf::region	311	cf::party cf::region
141	)) {	312	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	314	}
145		315
146	$Event::DIED = sub {	316	$EV::DIED = sub {
147	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
148	};	318	};
149		319
150	my %ext_pkg;	320	#############################################################################
151	my @exts;	321
152	my @hook;	322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
153		326
154	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
155		328
156	=over 4	329	=over 4
157		330
158	=cut	331	=item dumpval $ref
159		332
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	333	=cut
161		334
		335	sub dumpval {
		336	eval {
		337	local $SIG{__DIE__};
		338	my $d;
		339	if (1) {
		340	$d = new Data::Dumper([$_[0]], ["*var"]);
		341	$d->Terse(1);
		342	$d->Indent(2);
		343	$d->Quotekeys(0);
		344	$d->Useqq(1);
		345	#$d->Bless(...);
		346	$d->Seen($_[1]) if @_ > 1;
		347	$d = $d->Dump();
		348	}
		349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		350	$d
		351	} || "[unable to dump $_[0]: '$@']";
		352	}
		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
162	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
163		369
164	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
165		371
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
174		373
175	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
176		375
177	=cut	376	=cut
178		377
179	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
181	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[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	}
182	}	443	}
183		444
184	=item cf::lock_wait $string	445	=item cf::lock_wait $string
185		446
186	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
187		448
188	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
189		450
190	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
191	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,
192	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
193	returned.	454	returned.
194		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
195	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
196	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
197		461
198	=cut	462	=item $locked = cf::lock_active $string
199		463
200	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
201		469
202	sub lock_wait($) {	470	sub lock_wait($) {
203	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	472	}
211		473
212	sub lock_acquire($) {	474	sub lock_acquire($) {
213	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
214		477
215	# wait, to be sure we are not locked	478	sub lock_active($) {
216	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
217
218	$LOCK{$key} = [];
219
220	Coro::guard {
221	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };
223	}
224	}	480	}
225		481
226	sub freeze_mainloop {	482	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
228		484
229	my $guard = Coro::guard { $TICK_WATCHER->start };	485	&Guard::guard (\&tick_inhibit_dec);
230	$TICK_WATCHER->stop;
231	$guard
232	}	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	$busy = 0;
		554	Coro::schedule;
		555	}
		556	}
		557	};
		558
		559	sub get_slot($;$$) {
		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;
		572	}
		573
		574	=item cf::async { BLOCK }
		575
		576	Currently the same as Coro::async_pool, meaning you cannot use
		577	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		578	thing you are allowed to do is call C<prio> on it.
		579
		580	=cut
		581
		582	BEGIN { *async = \&Coro::async_pool }
233		583
234	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
235		585
236	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
237	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
238	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
239		590
240	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
241	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
242	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
243	fast or be very important.	594	fast or be very important.
…		…
245	=cut	596	=cut
246		597
247	sub sync_job(&) {	598	sub sync_job(&) {
248	my ($job) = @_;	599	my ($job) = @_;
249		600
250	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
251	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
252	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
253		606
254	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
255	# (but this is cancel-safe)	608
256	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
257		610
258	my $busy = 1;	611	my $busy = 1;
259	my @res;	612	my @res;
260		613
261	(Coro::async_pool {	614	(async {
		615	$Coro::current->desc ("sync job coro");
262	@res = eval { $job->() };	616	@res = eval { $job->() };
263	warn $@ if $@;	617	error $@ if $@;
264	undef $busy;	618	undef $busy;
265	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
266		620
267	while ($busy) {	621	while ($busy) {
268	unless (Coro::cede) {	622	if (Coro::nready) {
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;	623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
271	}	626	}
272	}	627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
273		632
274	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
275	} else {	634	} else {
276	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
277		636
278	$job->()	637	$job->()
279	}	638	}
280	}	639	}
281		640
282	=item $coro = cf::coro { BLOCK }	641	=item $coro = cf::async_ext { BLOCK }
283		642
284	Creates (and readies) and returns a new coro. This coro is automcatially	643	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	644	extension calling this is being unloaded.
286		645
287	=cut	646	=cut
288		647
289	sub coro(&) {	648	sub async_ext(&) {
290	my $cb = shift;	649	my $cb = shift;
291		650
292	my $coro = &Coro::async_pool ($cb);	651	my $coro = &Coro::async ($cb);
293		652
294	$coro->on_destroy (sub {	653	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	654	delete $EXT_CORO{$coro+0};
296	});	655	});
297	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
298		657
299	$coro	658	$coro
300	}	659	}
301		660
302	sub write_runtime {	661	=item fork_call { }, @args
303	my $runtime = cf::localdir . "/runtime";
304		662
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
306	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
307		667
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;
311		669
312	aio_fsync $fh	670	sub post_fork {
313	and return;	671	reset_signals;
		672	}
314		673
315	close $fh	674	sub fork_call(&@) {
316	or return;	675	my ($cb, @args) = @_;
317		676
318	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
319	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
320		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
321	1	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
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		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
		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	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
322	}	864	}
323		865
324	=back	866	=back
325		867
326	=cut	868	=cut
327		869
328	#############################################################################	870	#############################################################################
329		871
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447
448	#############################################################################
449
450	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
451		873
452	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
453	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")
454	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
455		877
456	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>
457	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
458	crossfire+).	880	Deliantra).
459		881
460	=over 4	882	=over 4
461		883
462	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
463		885
…		…
507	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
508		930
509	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
510	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
511		933
512	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
514		936
515	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
516		938
517	=over 4	939	=over 4
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	999	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	1000	our @CB_MAP = ();
579		1001
580	my %attachment;	1002	my %attachment;
581		1003
		1004	sub cf::attachable::thawer_merge {
		1005	# simply override everything except _meta
		1006	local $_[0]{_meta};
		1007	%{$_[0]} = %{$_[1]};
		1008	}
		1009
582	sub _attach_cb($$$$) {	1010	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	1011	my ($registry, $event, $prio, $cb) = @_;
584		1012
585	use sort 'stable';	1013	use sort 'stable';
586		1014
…		…
620	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
621		1049
622	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
623	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
624	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
625	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
626		1054
627	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
628	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
629		1057
630	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
635		1063
636	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
637	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
638		1066
639	} elsif (ref $type) {	1067	} elsif (ref $type) {
640	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
641		1069
642	} else {	1070	} else {
643	shift @arg;	1071	shift @arg;
644	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
645	}	1073	}
646	}	1074	}
647	}	1075	}
648		1076
649	sub _object_attach {	1077	sub _object_attach {
…		…
659	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
660	}	1088	}
661		1089
662	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
663	} else {	1091	} else {
664	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
665	}	1093	}
666		1094
667	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
668	}	1096	}
669		1097
…		…
671	if (ref $_[0]) {	1099	if (ref $_[0]) {
672	_object_attach @_;	1100	_object_attach @_;
673	} else {	1101	} else {
674	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
675	}	1103	}
		1104	_recalc_want;
676	};	1105	};
677		1106
678	# all those should be optimised	1107	# all those should be optimised
679	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
680	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
683	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
684	reattach ($obj);	1113	reattach ($obj);
685	} else {	1114	} else {
686	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
687	}	1116	}
		1117	_recalc_want;
688	};	1118	};
689		1119
690	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
691	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
692		1122
…		…
707	";	1137	";
708	die if $@;	1138	die if $@;
709	}	1139	}
710		1140
711	our $override;	1141	our $override;
712	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?
713		1143
714	sub override {	1144	sub override {
715	$override = 1;	1145	$override = 1;
716	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
717	}	1147	}
718		1148
719	sub do_invoke {	1149	sub do_invoke {
720	my $event = shift;	1150	my $event = shift;
721	my $callbacks = shift;	1151	my $callbacks = shift;
722		1152
723	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
724		1154
725	local $override;	1155	local $override;
726		1156
727	for (@$callbacks) {	1157	for (@$callbacks) {
728	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
729		1159
730	if ($@) {	1160	if ($@) {
731	warn "$@";
732	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
733	override;	1162	override;
734	}	1163	}
735		1164
736	return 1 if $override;	1165	return 1 if $override;
737	}	1166	}
738		1167
739	0	1168	0
740	}	1169	}
741		1170
742	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
743		1172
744	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
745		1174
746	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
747		1176
748	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
749	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
750	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
751		1180
752	=back	1181	=back
753		1182
754	=cut	1183	=cut
755		1184
756	#############################################################################	1185	#############################################################################
757	# 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	}
758		1229
759	sub reattach {	1230	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	1232	my ($obj) = @_;
		1233
		1234	# no longer needed after getting rid of delete_package?
		1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		1236
763	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
764		1238
765	@$registry = ();	1239	@$registry = ();
766		1240
…		…
771	for (@$attach) {	1245	for (@$attach) {
772	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
773	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
774	}	1248	}
775	} else {	1249	} else {
776	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
777	}	1251	}
778	}	1252	}
779	}	1253	}
780		1254
781	cf::attachable->attach (	1255	cf::attachable->attach (
782	prio => -1000000,	1256	prio => -1000000,
783	on_instantiate => sub {	1257	on_instantiate => sub {
784	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
785		1259
786	$data = from_json $data;	1260	$data = decode_json $data;
787		1261
788	for (@$data) {	1262	for (@$data) {
789	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
790		1264
791	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
807	sub object_freezer_save {	1281	sub object_freezer_save {
808	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
809		1283
810	sync_job {	1284	sync_job {
811	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
812	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
813	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
814		1290
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
818	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
819	close $fh;	1298	aio_close $fh;
820		1299
821	if (@$objs) {	1300	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
		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;
826	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
827	close $fh;	1309	aio_close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
829	}	1311	}
830	} else {	1312	} else {
831	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
832	}	1314	}
833		1315
834	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
835	} else {	1320	} else {
836	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
837	}	1322	}
838	} else {	1323	} else {
839	aio_unlink $filename;	1324	aio_unlink $filename;
840	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
841	}	1326	}
842	}	1327	};
843	}	1328	}
844		1329
845	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
846	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
847		1332
…		…
859	or return;	1344	or return;
860		1345
861	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
862	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
863	or return;	1348	or return;
		1349
864	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
865	}	1352	}
866		1353
		1354	utf8::decode (my $decname = $filename);
867	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
869	return ($data, $av);	1359	($data, $av)
870	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
871		1367
872	#############################################################################	1368	#############################################################################
873	# command handling &c	1369	# command handling &c
874		1370
875	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1385	}
890		1386
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1388
893	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
894		1394
895	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
896	called.	1396	called.
897		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
898	=cut	1409	=cut
899		1410
900	sub register_extcmd {	1411	sub register_extcmd {
901	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
902		1413
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1414	$EXTCMD{$name} = $cb;
907	}	1415	}
		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
908		1424
909	cf::player->attach (	1425	cf::player->attach (
910	on_command => sub {	1426	on_unknown_command => sub {
911	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
912		1428
913	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
914	or return;	1430	or return;
915		1431
…		…
920	cf::override;	1436	cf::override;
921	},	1437	},
922	on_extcmd => sub {	1438	on_extcmd => sub {
923	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
924		1440
925	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
926		1442
927	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
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
930	$pl->ext_reply ($msg->{msgid}, %reply);
931	}
932	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
933	} else {	1458	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
935	}	1460	}
936		1461
937	cf::override;	1462	cf::override;
938	},	1463	},
939	);	1464	);
940		1465
941	sub register {	1466	# "readahead" all extensions
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	1467	sub cache_extensions {
948	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
949		1469
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	eval $source
968	or die $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970
971	push @exts, $pkg;
972	$ext_pkg{$base} = $pkg;
973
974	# no strict 'refs';
975	# @{"$pkg\::ISA"} = ext::;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }
990
991	# remove commands
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}	1473	}
1000	}	1474	};
1001		1475
1002	# remove extcmds	1476	$grp
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	1477	}
1016		1478
1017	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
1018	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	1486	next unless -r $path;
1020	eval {	1487
1021	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
1022	1	1551	}
1023	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
1024	}	1562	};
1025	}	1563	}
1026		1564
1027	#############################################################################	1565	#############################################################################
1028	# load/save/clean perl data associated with a map
1029		1566
1030	*cf::mapsupport::on_clean = sub {	1567	=back
		1568
		1569	=head2 CORE EXTENSIONS
		1570
		1571	Functions and methods that extend core deliantra objects.
		1572
		1573	=cut
		1574
		1575	package cf::player;
		1576
		1577	use Coro::AIO;
		1578
		1579	=head3 cf::player
		1580
		1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
		1597	=item cf::player::find $login
		1598
		1599	Returns the given player object, loading it if necessary (might block).
		1600
		1601	=cut
		1602
		1603	sub playerdir($) {
		1604	"$PLAYERDIR/"
		1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1606	}
		1607
		1608	sub path($) {
		1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1610
		1611	(playerdir $login) . "/playerdata"
		1612	}
		1613
		1614	sub find_active($) {
		1615	$cf::PLAYER{$_[0]}
		1616	and $cf::PLAYER{$_[0]}->active
		1617	and $cf::PLAYER{$_[0]}
		1618	}
		1619
		1620	sub exists($) {
1031	my ($map) = @_;	1621	my ($login) = @_;
1032		1622
1033	my $path = $map->tmpname;	1623	$cf::PLAYER{$login}
1034	defined $path or return;	1624	or !aio_stat path $login
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}	1625	}
1047		1626
1048	# TODO: compatibility cruft, remove when no longer needed	1627	sub find($) {
		1628	return $cf::PLAYER{$_[0]} || do {
		1629	my $login = $_[0];
		1630
		1631	my $guard = cf::lock_acquire "user_find:$login";
		1632
		1633	$cf::PLAYER{$_[0]} || do {
		1634	# rename old playerfiles to new ones
		1635	#TODO: remove when no longer required
		1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1639	aio_unlink +(playerdir $login) . "/$login.pl";
		1640
		1641	my $f = new_from_file cf::object::thawer path $login
		1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
		1649	$cf::PLAYER{$login} = $pl
		1650	}
		1651	}
		1652	}
		1653
1049	cf::player->attach (	1654	cf::player->attach (
1050	on_load => sub {	1655	on_load => sub {
1051	my ($pl, $path) = @_;	1656	my ($pl, $path) = @_;
1052		1657
1053	for my $o (all_objects $pl->ob) {	1658	# restore slots saved in save, below
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1659	my $slots = delete $pl->{_slots};
1055	$o->set_ob_key_value ("_perl_data");
1056		1660
1057	%$o = %{ Storable::thaw pack "H*", $value };	1661	$pl->ob->current_weapon ($slots->[0]);
1058	}	1662	$pl->combat_ob ($slots->[1]);
1059	}	1663	$pl->ranged_ob ($slots->[2]);
1060	},	1664	},
1061	);	1665	);
1062		1666
1063	#############################################################################	1667	sub save($) {
		1668	my ($pl) = @_;
1064		1669
1065	=head2 CORE EXTENSIONS	1670	return if $pl->{deny_save};
1066		1671
1067	Functions and methods that extend core crossfire objects.	1672	my $path = path $pl;
		1673	my $guard = cf::lock_acquire "user_save:$path";
1068		1674
1069	=head3 cf::player	1675	return if $pl->{deny_save};
		1676
		1677	aio_mkdir playerdir $pl, 0770;
		1678	$pl->{last_save} = $cf::RUNTIME;
		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
		1685	$pl->save_pl ($path);
		1686	cf::cede_to_tick;
		1687	}
		1688
		1689	sub new($) {
		1690	my ($login) = @_;
		1691
		1692	my $self = create;
		1693
		1694	$self->ob->name ($login);
		1695	$self->{deny_save} = 1;
		1696
		1697	$cf::PLAYER{$login} = $self;
		1698
		1699	$self
		1700	}
		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
		1712	=item $pl->quit_character
		1713
		1714	Nukes the player without looking back. If logged in, the connection will
		1715	be destroyed. May block for a long time.
		1716
		1717	=cut
		1718
		1719	sub quit_character {
		1720	my ($pl) = @_;
		1721
		1722	my $name = $pl->ob->name;
		1723
		1724	$pl->{deny_save} = 1;
		1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1726
		1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
		1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
		1734	$pl->ns->destroy if $pl->ns;
		1735
		1736	my $path = playerdir $pl;
		1737	my $temp = "$path~$cf::RUNTIME~deleting~";
		1738	aio_rename $path, $temp;
		1739	delete $cf::PLAYER{$pl->ob->name};
		1740	$pl->destroy;
		1741
		1742	my $prefix = qr<^~\Q$name\E/>;
		1743
		1744	# nuke player maps
		1745	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1746
		1747	IO::AIO::aio_rmtree $temp;
		1748	}
		1749
		1750	=item $pl->kick
		1751
		1752	Kicks a player out of the game. This destroys the connection.
		1753
		1754	=cut
		1755
		1756	sub kick {
		1757	my ($pl, $kicker) = @_;
		1758
		1759	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1760	$pl->killer ("kicked");
		1761	$pl->ns->destroy;
		1762	}
		1763
		1764	=item cf::player::list_logins
		1765
		1766	Returns am arrayref of all valid playernames in the system, can take a
		1767	while and may block, so not sync_job-capable, ever.
		1768
		1769	=cut
		1770
		1771	sub list_logins {
		1772	my $dirs = aio_readdir $PLAYERDIR
		1773	or return [];
		1774
		1775	my @logins;
		1776
		1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
		1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1784	aio_read $fh, 0, 512, my $buf, 0 or next;
		1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
		1787
		1788	utf8::decode $login;
		1789	push @logins, $login;
		1790	}
		1791
		1792	\@logins
		1793	}
		1794
		1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
		1798
		1799	Returns an arrayref of map paths that are private for this
		1800	player. May block.
		1801
		1802	=cut
		1803
		1804	sub maps($) {
		1805	my ($pl) = @_;
		1806
		1807	$pl = ref $pl ? $pl->ob->name : $pl;
		1808
		1809	my $files = aio_readdir playerdir $pl
		1810	or return;
		1811
		1812	my @paths;
		1813
		1814	for (@$files) {
		1815	utf8::decode $_;
		1816	next if /\.(?:pl|pst)$/;
		1817	next unless /^$PATH_SEP/o;
		1818
		1819	push @paths, cf::map::normalise "~$pl/$_";
		1820	}
		1821
		1822	\@paths
		1823	}
		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
		1829	=item $player->ext_reply ($msgid, @msg)
		1830
		1831	Sends an ext reply to the player.
		1832
		1833	=cut
		1834
		1835	sub ext_reply($$@) {
		1836	my ($self, $id, @msg) = @_;
		1837
		1838	$self->ns->ext_reply ($id, @msg)
		1839	}
		1840
		1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		1848	my ($self, $type, @msg) = @_;
		1849
		1850	$self->ns->ext_msg ($type, @msg);
		1851	}
		1852
		1853	=head3 cf::region
1070		1854
1071	=over 4	1855	=over 4
1072		1856
1073	=item cf::player::exists $login
1074
1075	Returns true when the given account exists.
1076
1077	=cut	1857	=cut
1078		1858
1079	sub cf::player::exists($) {	1859	package cf::region;
1080	cf::player::find $_[0]
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1082	}
1083		1860
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1861	=item cf::region::find_by_path $path
1085		1862
1086	Sends an ext reply to the player.	1863	Tries to decuce the likely region for a map knowing only its path.
1087		1864
1088	=cut	1865	=cut
1089		1866
1090	sub cf::player::ext_reply($$$%) {	1867	sub find_by_path($) {
1091	my ($self, $id, %msg) = @_;	1868	my ($path) = @_;
1092		1869
1093	$msg{msgid} = $id;	1870	$path =~ s/^~[^\/]*//; # skip ~login
1094		1871
1095	$self->send ("ext " . to_json \%msg);	1872	my ($match, $specificity);
		1873
		1874	for my $region (list) {
		1875	if ($region->{match} && $path =~ $region->{match}) {
		1876	($match, $specificity) = ($region, $region->specificity)
		1877	if $region->specificity > $specificity;
		1878	}
		1879	}
		1880
		1881	$match
1096	}	1882	}
1097		1883
1098	=back	1884	=back
1099
1100		1885
1101	=head3 cf::map	1886	=head3 cf::map
1102		1887
1103	=over 4	1888	=over 4
1104		1889
…		…
1107	package cf::map;	1892	package cf::map;
1108		1893
1109	use Fcntl;	1894	use Fcntl;
1110	use Coro::AIO;	1895	use Coro::AIO;
1111		1896
		1897	use overload
		1898	'""' => \&as_string,
		1899	fallback => 1;
		1900
1112	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1114		1903
1115	sub generate_random_map {	1904	sub generate_random_map {
		1905	my ($self, $rmp) = @_;
		1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
		1909	$self->_create_random_map ($rmp);
		1910	}
		1911
		1912	=item cf::map->register ($regex, $prio)
		1913
		1914	Register a handler for the map path matching the given regex at the
		1915	givne priority (higher is better, built-in handlers have priority 0, the
		1916	default).
		1917
		1918	=cut
		1919
		1920	sub register {
		1921	my (undef, $regex, $prio) = @_;
		1922	my $pkg = caller;
		1923
		1924	push @{"$pkg\::ISA"}, __PACKAGE__;
		1925
		1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1927	}
		1928
		1929	# also paths starting with '/'
		1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1931
		1932	sub thawer_merge {
		1933	my ($self, $merge) = @_;
		1934
		1935	# we have to keep some variables in memory intact
		1936	local $self->{path};
		1937	local $self->{load_path};
		1938
		1939	$self->SUPER::thawer_merge ($merge);
		1940	}
		1941
		1942	sub normalise {
1116	my ($path, $rmp) = @_;	1943	my ($path, $base) = @_;
1117		1944
1118	# mit "rum" bekleckern, nicht	1945	$path = "$path"; # make sure it's a string
1119	cf::map::_create_random_map	1946
		1947	$path =~ s/\.map$//;
		1948
		1949	# map plan:
		1950	#
		1951	# /! non-realised random map exit (special hack!)
		1952	# {... are special paths that are not being touched
		1953	# ?xxx/... are special absolute paths
		1954	# ?random/... random maps
		1955	# /... normal maps
		1956	# ~user/... per-player map of a specific user
		1957
		1958	$path =~ s/$PATH_SEP/\//go;
		1959
		1960	# treat it as relative path if it starts with
		1961	# something that looks reasonable
		1962	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1963	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1964
		1965	$base =~ s{[^/]+/?$}{};
		1966	$path = "$base/$path";
		1967	}
		1968
		1969	for ($path) {
		1970	redo if s{/\.?/}{/};
		1971	redo if s{/[^/]+/\.\./}{/};
		1972	}
		1973
1120	$path,	1974	$path
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})
1132	}	1975	}
1133		1976
1134	# and all this just because we cannot iterate over	1977	sub new_from_path {
1135	# all maps in C++...	1978	my (undef, $path, $base) = @_;
1136	sub change_all_map_light {	1979
		1980	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1981
		1982	$path = normalise $path, $base;
		1983
		1984	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1985	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1986	my $self = bless cf::map::new, $pkg;
		1987	$self->{path} = $path; $self->path ($path);
		1988	$self->init; # pass $1 etc.
		1989	return $self;
		1990	}
		1991	}
		1992
		1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1994	()
		1995	}
		1996
		1997	sub init {
1137	my ($change) = @_;	1998	my ($self) = @_;
1138		1999
1139	$_->change_map_light ($change)	2000	$self
1140	for grep $_->outdoor, values %cf::MAP;
1141	}	2001	}
1142		2002
		2003	sub as_string {
		2004	my ($self) = @_;
		2005
		2006	"$self->{path}"
		2007	}
		2008
		2009	# the displayed name, this is a one way mapping
		2010	sub visible_name {
		2011	&as_string
		2012	}
		2013
		2014	# the original (read-only) location
		2015	sub load_path {
		2016	my ($self) = @_;
		2017
		2018	"$MAPDIR/$self->{path}.map"
		2019	}
		2020
		2021	# the temporary/swap location
		2022	sub save_path {
		2023	my ($self) = @_;
		2024
		2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2026	"$TMPDIR/$path.map"
		2027	}
		2028
		2029	# the unique path, undef == no special unique path
		2030	sub uniq_path {
		2031	my ($self) = @_;
		2032
		2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2034	"$UNIQUEDIR/$path"
		2035	}
		2036
		2037	sub decay_objects {
		2038	my ($self) = @_;
		2039
		2040	return if $self->{deny_reset};
		2041
		2042	$self->do_decay_objects;
		2043	}
		2044
		2045	sub unlink_save {
		2046	my ($self) = @_;
		2047
		2048	utf8::encode (my $save = $self->save_path);
		2049	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2050	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2051	}
		2052
1143	sub try_load_header($) {	2053	sub load_header_from($) {
1144	my ($path) = @_;	2054	my ($self, $path) = @_;
1145		2055
1146	utf8::encode $path;	2056	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1148	or return;	2058	or return;
1149		2059
1150	my $map = cf::map::new	2060	$self->_load_header ($f)
1151	or return;	2061	or return;
1152		2062
1153	# for better error messages only, will be overwritten	2063	local $MAP_LOADING{$self->{path}} = $self;
1154	$map->path ($path);	2064	$f->resolve_delayed_derefs;
1155		2065
1156	$map->load_header ($path)	2066	$self->{load_path} = $path;
		2067
		2068	1
		2069	}
		2070
		2071	sub load_header_orig {
		2072	my ($self) = @_;
		2073
		2074	$self->load_header_from ($self->load_path)
		2075	}
		2076
		2077	sub load_header_temp {
		2078	my ($self) = @_;
		2079
		2080	$self->load_header_from ($self->save_path)
		2081	}
		2082
		2083	sub prepare_temp {
		2084	my ($self) = @_;
		2085
		2086	$self->last_access ((delete $self->{last_access})
		2087	|| $cf::RUNTIME); #d#
		2088	# safety
		2089	$self->{instantiate_time} = $cf::RUNTIME
		2090	if $self->{instantiate_time} > $cf::RUNTIME;
		2091	}
		2092
		2093	sub prepare_orig {
		2094	my ($self) = @_;
		2095
		2096	$self->{load_original} = 1;
		2097	$self->{instantiate_time} = $cf::RUNTIME;
		2098	$self->last_access ($cf::RUNTIME);
		2099	$self->instantiate;
		2100	}
		2101
		2102	sub load_header {
		2103	my ($self) = @_;
		2104
		2105	if ($self->load_header_temp) {
		2106	$self->prepare_temp;
		2107	} else {
		2108	$self->load_header_orig
1157	or return;	2109	or return;
		2110	$self->prepare_orig;
		2111	}
1158		2112
1159	$map->{load_path} = $path;	2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
1160		2115
1161	$map	2116	$self->default_region (cf::region::find_by_path $self->{path})
		2117	unless $self->default_region;
		2118
		2119	1
1162	}	2120	}
1163		2121
1164	sub find;	2122	sub find;
1165	sub find {	2123	sub find {
1166	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1167		2125
1168	#warn "find<$path,$origin>\n";#d#	2126	cf::cede_to_tick;
1169		2127
1170	$path = new cf::path $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		2129
1173	cf::lock_wait "map_find:$key";	2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1174
1175	$cf::MAP{$key} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1177		2132
1178	# do it the slow way	2133	$cf::MAP{$path} || do {
1179	my $map = try_load_header $path->save_path;	2134	my $map = new_from_path cf::map $path
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	2135	or return;
1197		2136
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1210		2138
1211	Coro::cede;	2139	$map->load_header
		2140	or return;
1212		2141
1213	if ($map->should_reset) {	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2143	# doing this can freeze the server in a sync job, obviously
		2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1214	$map->reset;	2147	$map->reset;
1215	undef $guard;
1216	$map = find $path	2148	return find $path;
1217	or return;
1218	}	2149	}
1219		2150
1220	$cf::MAP{$key} = $map	2151	$cf::MAP{$path} = $map
1221	}	2152	}
1222	}	2153	}
		2154
		2155	sub pre_load { }
		2156	#sub post_load { } # XS
1223		2157
1224	sub load {	2158	sub load {
1225	my ($self) = @_;	2159	my ($self) = @_;
1226		2160
		2161	local $self->{deny_reset} = 1; # loading can take a long time
		2162
1227	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2166	my $guard = cf::lock_acquire "map_data:$path";
1229		2167
		2168	return unless $self->valid;
1230	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1231		2170
1232	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1233		2172
1234	$self->alloc;	2173	$self->alloc;
1235	$self->load_objects ($self->{load_path}, 1)	2174
		2175	$self->pre_load;
		2176	cf::cede_to_tick;
		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1236	or return;	2181	or return;
1237		2182
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1239	if delete $self->{load_original};	2184	if delete $self->{load_original};
1240		2185
1241	if (my $uniq = $path->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	2187	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1244	$self->clear_unique_items;	2190	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1246	}	2194	}
1247	}	2195	}
1248		2196
1249	Coro::cede;	2197	$f->resolve_delayed_derefs;
1250		2198
		2199	cf::cede_to_tick;
1251	# now do the right thing for maps	2200	# now do the right thing for maps
1252	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	2203	unless $self->difficulty;
		2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1264	$self->activate;	2211	$self->activate;
1265	}	2212	}
1266		2213
1267	Coro::cede;	2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
1268		2216
1269	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
		2218	}
		2219
		2220	$self->post_load;
		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
		2228	sub customise_for {
		2229	my ($self, $ob) = @_;
		2230
		2231	return find "~" . $ob->name . "/" . $self->{path}
		2232	if $self->per_player;
		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
		2237	$self
		2238	}
		2239
		2240	# find and load all maps in the 3x3 area around a map
		2241	sub load_neighbours {
		2242	my ($map) = @_;
		2243
		2244	my @neigh; # diagonal neighbours
		2245
		2246	for (0 .. 3) {
		2247	my $neigh = $map->tile_path ($_)
		2248	or next;
		2249	$neigh = find $neigh, $map
		2250	or next;
		2251	$neigh->load;
		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
		2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2257	}
		2258
		2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
		2261	my $neigh = find $path, $origin
		2262	or next;
		2263	$neigh->load;
		2264	}
1270	}	2265	}
1271		2266
1272	sub find_sync {	2267	sub find_sync {
1273	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1274		2269
1275	cf::sync_job {	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
1276	my $map = cf::map::find $path, $origin;	2271	if $Coro::current == $Coro::main;
1277	$map	2272
1278	}	2273	find $path, $origin
1279	}	2274	}
1280		2275
1281	sub do_load_sync {	2276	sub do_load_sync {
1282	my ($map) = @_;	2277	my ($map) = @_;
1283		2278
1284	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
		2283	}
		2284
		2285	our %MAP_PREFETCH;
		2286	our $MAP_PREFETCHER = undef;
		2287
		2288	sub find_async {
		2289	my ($path, $origin, $load) = @_;
		2290
		2291	$path = normalise $path, $origin && $origin->{path};
		2292
		2293	if (my $map = $cf::MAP{$path}) {
		2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2295	}
		2296
		2297	$MAP_PREFETCH{$path} |= $load;
		2298
		2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
		2302	while (%MAP_PREFETCH) {
		2303	while (my ($k, $v) = each %MAP_PREFETCH) {
		2304	if (my $map = find $k) {
		2305	$map->load if $v;
		2306	}
		2307
		2308	delete $MAP_PREFETCH{$k};
		2309	}
		2310	}
		2311	undef $MAP_PREFETCHER;
		2312	};
		2313	$MAP_PREFETCHER->prio (6);
		2314
		2315	()
		2316	}
		2317
		2318	# common code, used by both ->save and ->swapout
		2319	sub _save {
		2320	my ($self) = @_;
		2321
		2322	$self->{last_save} = $cf::RUNTIME;
		2323
		2324	return unless $self->dirty;
		2325
		2326	my $save = $self->save_path; utf8::encode $save;
		2327	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2328
		2329	$self->{load_path} = $save;
		2330
		2331	return if $self->{deny_save};
		2332
		2333	local $self->{last_access} = $self->last_access;#d#
		2334
		2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
		2337	$_->contr->save for $self->players;
		2338	};
		2339
		2340	cf::get_slot 0.02;
		2341
		2342	if ($uniq) {
		2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2345	} else {
		2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2347	}
1285	}	2348	}
1286		2349
1287	sub save {	2350	sub save {
1288	my ($self) = @_;	2351	my ($self) = @_;
1289		2352
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
1291		2354
1292	$self->{last_save} = $cf::RUNTIME;	2355	$self->_save;
1293
1294	return unless $self->dirty;
1295
1296	my $save = $self->{path}->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1298
1299	$self->{load_path} = $save;
1300
1301	return if $self->{deny_save};
1302
1303	local $self->{last_access} = $self->last_access;#d#
1304
1305	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}
1311	}	2356	}
1312		2357
1313	sub swap_out {	2358	sub swap_out {
1314	my ($self) = @_;	2359	my ($self) = @_;
1315		2360
1316	# save first because save cedes
1317	$self->save;
1318
1319	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1320		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1321	return if $self->players;	2365	return if $self->players;
1322	return if $self->in_memory != cf::MAP_IN_MEMORY;
1323	return if $self->{deny_save};
1324		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1325	$self->clear;	2376	$self->clear;
1326	$self->in_memory (cf::MAP_SWAPPED);
1327	}	2377	}
1328		2378
1329	sub reset_at {	2379	sub reset_at {
1330	my ($self) = @_;	2380	my ($self) = @_;
1331		2381
1332	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1335		2384
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		2387
…		…
1343	my ($self) = @_;	2392	my ($self) = @_;
1344		2393
1345	$self->reset_at <= $cf::RUNTIME	2394	$self->reset_at <= $cf::RUNTIME
1346	}	2395	}
1347		2396
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	2397	sub reset {
1370	my ($self) = @_;	2398	my ($self) = @_;
1371		2399
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		2401
1374	return if $self->players;	2402	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		2403
1377	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
		2405
		2406	$self->in_memory (cf::MAP_SWAPPED);
		2407
		2408	# need to save uniques path
		2409	unless ($self->{deny_save}) {
		2410	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2411
		2412	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2413	if $uniq;
		2414	}
1378		2415
1379	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1380		2417
		2418	$self->deactivate;
1381	$_->clear_links_to ($self) for values %cf::MAP;	2419	$_->clear_links_to ($self) for values %cf::MAP;
		2420	$self->clear;
1382		2421
1383	$self->unlink_save;	2422	$self->unlink_save;
1384	$self->destroy;	2423	$self->destroy;
1385	}	2424	}
1386		2425
1387	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1388		2427
1389	sub nuke {	2428	sub nuke {
1390	my ($self) = @_;	2429	my ($self) = @_;
1391		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
		2434	delete $cf::MAP{$self->path};
		2435
		2436	$self->unlink_save;
		2437
		2438	bless $self, "cf::map::wrap";
		2439	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2443
		2444	$cf::MAP{$self->path} = $self;
		2445	}
		2446
1395	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
1396	}	2448	}
1397		2449
1398	sub customise_for {	2450	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		2451
1401	if ($map->per_player) {	2452	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
1403	}	2458	[
1404		2459	map {
1405	$map	2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
1406	}	2466	}
1407		2467
1408	sub emergency_save {	2468	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		2469
1411	warn "enter emergency map save\n";	2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
1412		2472
1413	cf::sync_job {	2473	=cut
1414	warn "begin emergency map save\n";	2474
1415	$_->save for values %cf::MAP;	2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
		2484	}
		2485
		2486	=item cf::map::unique_maps
		2487
		2488	Returns an arrayref of paths of all shared maps that have
		2489	instantiated unique items. May block.
		2490
		2491	=cut
		2492
		2493	sub unique_maps() {
		2494	[
		2495	map {
		2496	utf8::decode $_;
		2497	s/\.map$//; # TODO future compatibility hack
		2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
		2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
1416	};	2532	}
1417		2533
1418	warn "end emergency map save\n";	2534	\@maps
		2535	}
		2536
		2537	=back
		2538
		2539	=head3 cf::object
		2540
		2541	=cut
		2542
		2543	package cf::object;
		2544
		2545	=over 4
		2546
		2547	=item $ob->inv_recursive
		2548
		2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
		2551
		2552	=cut
		2553
		2554	sub inv_recursive_;
		2555	sub inv_recursive_ {
		2556	map { $_, inv_recursive_ $_->inv } @_
		2557	}
		2558
		2559	sub inv_recursive {
		2560	inv_recursive_ inv $_[0]
		2561	}
		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
1419	}	2589	}
1420		2590
1421	package cf;	2591	package cf;
1422		2592
1423	=back	2593	=back
1424
1425		2594
1426	=head3 cf::object::player	2595	=head3 cf::object::player
1427		2596
1428	=over 4	2597	=over 4
1429		2598
…		…
1432	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1433	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1434	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1435		2604
1436	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1437		2620
1438	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1439	# with dialog boxes.	2622	# with dialog boxes.
1440	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1441	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1443		2626
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2628
1446	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1448	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1451	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1452	}	2654	}
1453		2655
1454	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1455		2657
1456	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1469		2671
1470	=item $player_object->enter_link	2672	=item $player_object->enter_link
1471		2673
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2675
1474	The player should be reaosnably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1475	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
		2680
		2681	Will never block.
1476		2682
1477	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1478		2684
1479	Moves the player out of the specila link map onto the given map. If the	2685	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2686	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2687	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2688	fails, to the emergency map position.
1483		2689
1484	Might block.	2690	Might block.
1485		2691
1486	=cut	2692	=cut
		2693
		2694	sub link_map {
		2695	unless ($LINK_MAP) {
		2696	$LINK_MAP = cf::map::find "{link}"
		2697	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2698	$LINK_MAP->load;
		2699	}
		2700
		2701	$LINK_MAP
		2702	}
1487		2703
1488	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2705	my ($self) = @_;
1490		2706
1491	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1492		2708
1493	return if $self->map == $LINK_MAP;	2709	++$self->{_link_recursion};
		2710
		2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2712
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1497		2715
1498	$self->enter_map ($LINK_MAP, 20, 20);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1499	}	2717	}
1500		2718
1501	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1503		2723
1504	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1505		2725
1506	unless ($map) {	2726	unless ($map) {
1507	# restore original map position	2727	# restore original map position
…		…
1518	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1519	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1520		2740
1521	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1524		2744
1525	$map->load;	2745	$map->load;
		2746	$map->load_neighbours;
1526		2747
		2748	return unless $self->contr->active;
		2749
		2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2751	if ($self->enter_map ($map, $x, $y)) {
		2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
1527	$self->activate_recursive;	2755	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);
1529	}
1530
1531	cf::player->attach (
1532	on_logout => sub {
1533	my ($pl) = @_;
1534
1535	# abort map switching before logout
1536	if ($pl->ob->{_link_pos}) {
1537	cf::sync_job {
1538	$pl->ob->leave_link
1539	};
1540	}
1541	},	2756	}
1542	on_login => sub {
1543	my ($pl) = @_;
1544		2757
1545	# try to abort aborted map switching on player login :)	2758	}
1546	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {
1548		2759
1549	$pl->ob->enter_link;	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1550	(Coro::async_pool {
1551	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;
1555	})->prio (2);
1556	}
1557	},
1558	);
1559		2761
1560	=item $player_object->goto ($path, $x, $y)	2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
1561		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1562	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1563		2774
1564	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2786
1567	$self->enter_link;	2787	$self->enter_link;
1568		2788
1569	(Coro::async_pool {	2789	(async {
1570	$path = new cf::path $path;	2790	$Coro::current->{desc} = "player::goto $path $x $y";
1571		2791
1572	my $map = cf::map::find $path->as_string;	2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
		2811	my $map = eval {
		2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
1574		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2817	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
1579		2820
		2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
		2827	}
		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1581	})->prio (1);	2835	})->prio (1);
1582	}	2836	}
1583		2837
1584	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1585		2839
…		…
1587		2841
1588	sub parse_random_map_params {	2842	sub parse_random_map_params {
1589	my ($spec) = @_;	2843	my ($spec) = @_;
1590		2844
1591	my $rmp = { # defaults	2845	my $rmp = { # defaults
1592	xsize => 10,	2846	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2847	ysize => (cf::rndm 15, 40),
		2848	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2849	#layout => string,
1594	};	2850	};
1595		2851
1596	for (split /\n/, $spec) {	2852	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2853	my ($k, $v) = split /\s+/, $_, 2;
1598		2854
…		…
1610	# that depends on the exit object	2866	# that depends on the exit object
1611		2867
1612	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
1613		2869
1614	if ($exit->map) {	2870	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2871	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1619	}	2877	}
1620		2878
1621	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1622		2880
1623	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1624	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
		2883	my $meta = "$RANDOMDIR/$md5.meta";
1625		2884
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
		2887	undef $fh;
		2888	aio_rename "$meta~", $meta;
1628		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1629	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1631	}	2896	}
1632	}	2897	}
1633		2898
1634	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1636		2901
1637	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1638		2903
1639	$self->enter_link;	2904	$self->enter_link;
1640		2905
1641	(Coro::async_pool {	2906	(async {
1642	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1643	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
1644	prepare_random_map $exit	2916	prepare_random_map $exit
1645	if $exit->slaying eq "/!";	2917	if $exit->slaying eq "/!";
		2918	}
1646		2919
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
1649		2923
		2924	$self->goto ($map, $x, $y);
		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
1650	1;	2930	1
1651	}) {	2931	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1653	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2934	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2936
1657	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1658	$self->leave_link;	2938	$self->leave_link;
1659	}	2939	}
1660	})->prio (1);	2940	})->prio (1);
1661	}	2941	}
1662		2942
…		…
1673		2953
1674	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1676		2956
1677	utf8::encode $text;	2957	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2959	}
1680		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
		3148	=item $client->ext_msg ($type, @msg)
		3149
		3150	Sends an ext event to the client.
		3151
		3152	=cut
		3153
		3154	sub cf::client::ext_msg($$@) {
		3155	my ($self, $type, @msg) = @_;
		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
		3160	push @msg, msgtype => "event_$type";
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
1681		3182
1682	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1683		3184
1684	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1686	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1687		3188
1688	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
1689	reliable at some point in the future.	3190	become reliable at some point in the future.
1690		3191
1691	=cut	3192	=cut
1692		3193
1693	sub cf::client::query {	3194	sub cf::client::query {
1694	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
1702	utf8::encode $text;	3203	utf8::encode $text;
1703	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1704		3205
1705	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
1706	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
1707	}	3210	}
1708		3211
1709	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
1710	on_reply => sub {	3218	on_reply => sub {
1711	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
1712		3220
1713	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
1714	# get handled first	3222	# get handled first
1715	my $queue = delete $ns->{query_queue}	3223	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	3224	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		3225
1718	(shift @$queue)->[1]->($msg);	3226	(shift @$queue)->[1]->($msg);
		3227	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		3228
1720	push @{ $ns->{query_queue} }, @$queue;	3229	push @{ $ns->{query_queue} }, @$queue;
1721		3230
1722	if (@{ $ns->{query_queue} } == @$queue) {	3231	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	3232	if (@$queue) {
…		…
1725	} else {	3234	} else {
1726	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1727	}	3236	}
1728	}	3237	}
1729	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
1730	);	3265	);
1731		3266
1732	=item $client->coro (\&cb)	3267	=item $client->async (\&cb)
1733		3268
1734	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	3270	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	3271	or loss of connection).
1737		3272
1738	=cut	3273	=cut
1739		3274
1740	sub cf::client::coro {	3275	sub cf::client::async {
1741	my ($self, $cb) = @_;	3276	my ($self, $cb) = @_;
1742		3277
1743	my $coro = &Coro::async_pool ($cb);	3278	my $coro = &Coro::async ($cb);
1744		3279
1745	$coro->on_destroy (sub {	3280	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	3281	delete $self->{_coro}{$coro+0};
1747	});	3282	});
1748		3283
…		…
1750		3285
1751	$coro	3286	$coro
1752	}	3287	}
1753		3288
1754	cf::client->attach (	3289	cf::client->attach (
1755	on_destroy => sub {	3290	on_client_destroy => sub {
1756	my ($ns) = @_;	3291	my ($ns) = @_;
1757		3292
1758	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1759	},	3294	},
1760	);	3295	);
…		…
1775	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
1776	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
1777		3312
1778	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
1779		3314
1780	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
1781		3320
1782	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
1783		3322
1784	=pod	3323	=pod
1785		3324
1786	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
1787		3326
1788	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
1789	cf::object::player player	3332	cf::object::player
1790	cf::player peaceful	3333	player
1791	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
1792		3340
1793	=cut	3341	=cut
1794		3342
1795	for (	3343	for (
1796	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
1797	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
1798	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
1799	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
1800	) {	3350	) {
1801	no strict 'refs';
1802	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
1803	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1804	for @funs;	3353	for @funs;
1805	}	3354	}
1806		3355
…		…
1821		3370
1822	my $qcode = $code;	3371	my $qcode = $code;
1823	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1824	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
1825		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
1826	local $_;	3378	local $_;
1827	local @safe::cf::_safe_eval_args = values %vars;
1828		3379
1829	my $eval =	3380	my $eval =
1830	"do {\n"	3381	"do {\n"
1831	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1832	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
1833	. $code	3384	. $code
1834	. "\n}"	3385	. "\n}"
1835	;	3386	;
1836		3387
		3388	if ($CFG{safe_eval}) {
1837	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
1838	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1839	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
1840		3397
1841	if ($@) {	3398	if ($@) {
1842	warn "$@";	3399	warn "$@",
1843	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
1844	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
1845	}	3402	}
1846		3403
1847	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
1848	}	3405	}
1849		3406
…		…
1863	=cut	3420	=cut
1864		3421
1865	sub register_script_function {	3422	sub register_script_function {
1866	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
1867		3424
1868	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
1869	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
1870	}	3427	}
1871		3428
1872	=back	3429	=back
1873		3430
1874	=cut	3431	=cut
1875		3432
1876	#############################################################################	3433	#############################################################################
		3434	# the server's init and main functions
1877		3435
1878	=head2 EXTENSION DATABASE SUPPORT	3436	sub load_facedata($) {
		3437	my ($path) = @_;
1879		3438
1880	Crossfire maintains a very simple database for extension use. It can	3439	# HACK to clear player env face cache, we need some signal framework
1881	currently store anything that can be serialised using Storable, which	3440	# for this (global event?)
1882	excludes objects.	3441	%ext::player_env::MUSIC_FACE_CACHE = ();
1883		3442
1884	The parameter C<$family> should best start with the name of the extension	3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1885	using it, it should be unique.
1886		3444
1887	=over 4	3445	trace "loading facedata from $path\n";
1888		3446
1889	=item $hashref = cf::db_get $family	3447	my $facedata = decode_storable load_file $path;
1890		3448
1891	Return a hashref for use by the extension C<$family>, which can be	3449	$facedata->{version} == 2
1892	modified. After modifications, you have to call C<cf::db_dirty> or	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
1893	C<cf::db_sync>.
1894		3451
1895	=item $value = cf::db_get $family => $key	3452	# patch in the exptable
1896		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1897	Returns a single value from the database	3454	$facedata->{resource}{"res/exp_table"} = {
1898		3455	type => FT_RSRC,
1899	=item cf::db_put $family => $hashref	3456	data => $exp_table,
1900		3457	hash => (Digest::MD5::md5 $exp_table),
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_put $family => $key => $value
1905
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916
1917	=cut
1918
1919	our $DB;
1920
1921	{
1922	my $path = cf::localdir . "/database.pst";
1923
1924	sub db_load() {
1925	$DB = stat $path ? Storable::retrieve $path : { };
1926	}
1927
1928	my $pid;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	3458	};
		3459	cf::cede_to_tick;
1950		3460
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}	3461	{
		3462	my $faces = $facedata->{faceinfo};
1955		3463
1956	sub db_get($;$) {	3464	while (my ($face, $info) = each %$faces) {
1957	@_ >= 2	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		3466
1962	sub db_put($$;$) {	3467	cf::face::set_visibility $idx, $info->{visibility};
1963	if (@_ >= 3) {	3468	cf::face::set_magicmap $idx, $info->{magicmap};
1964	$DB->{$_[0]}{$_[1]} = $_[2];	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1965	} else {	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1966	$DB->{$_[0]} = $_[1];	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
1967	}
1968	db_dirty;
1969	}
1970		3472
1971	cf::global->attach (	3473	cf::cede_to_tick;
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	3474	}
1976	);
1977	}
1978		3475
1979	#############################################################################	3476	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	3477	next unless $info->{smooth};
1981		3478
1982	sub cfg_load {	3479	my $idx = cf::face::find $face
1983	open my $fh, "<:utf8", cf::confdir . "/config"	3480	or next;
1984	or return;
1985		3481
1986	local $/;	3482	if (my $smooth = cf::face::find $info->{smooth}) {
1987	*CFG = YAML::Syck::Load <$fh>;	3483	cf::face::set_smooth $idx, $smooth;
		3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3485	} else {
		3486	error "smooth face '$info->{smooth}' not found for face '$face'";
		3487	}
1988		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	{
		3494	my $anims = $facedata->{animinfo};
		3495
		3496	while (my ($anim, $info) = each %$anims) {
		3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3498	cf::cede_to_tick;
		3499	}
		3500
		3501	cf::anim::invalidate_all; # d'oh
		3502	}
		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
		3523	1
		3524	}
		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
		3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
		3556	}
		3557
		3558	sub reload_facedata {
		3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
		3562
		3563	sub reload_archetypes {
		3564	load_resource_file "$DATADIR/archetypes"
		3565	or die "unable to load archetypes\n";
		3566	}
		3567
		3568	sub reload_treasures {
		3569	load_resource_file "$DATADIR/treasures"
		3570	or die "unable to load treasurelists\n";
		3571	}
		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
		3593	sub reload_resources {
		3594	trace "reloading resource files...\n";
		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
		3601	reload_regions;
		3602	reload_treasures;
		3603
		3604	trace "finished reloading resource files\n";
		3605	}
		3606
		3607	sub reload_config {
		3608	trace "reloading config file...\n";
		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
1989	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
1990		3615
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		3618
1994	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
1995	eval {	3620	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	3621	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	3622	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	3623	};
1999	warn $@ if $@;	3624	warn $@ if $@;
2000	}	3625	}
2001	}	3626	}
2002		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2003	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2004	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	3669	(async {
		3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
		3672	})->prio (Coro::PRIO_MAX);
2008	};	3673	};
2009		3674
2010	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
2011	db_load;	3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
		3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2012	load_extensions;	3698	load_extensions;
2013	Event::loop;	3699
		3700	utime time, time, $RUNTIMEFILE;
		3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2014	}	3718	}
2015		3719
2016	#############################################################################	3720	#############################################################################
2017	# initialisation	3721	# initialisation and cleanup
2018		3722
		3723	# install some emergency cleanup handlers
		3724	BEGIN {
		3725	our %SIGWATCHER = ();
		3726	for my $signal (qw(INT HUP TERM)) {
		3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3728	cf::cleanup "SIG$signal";
		3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
		3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
		3819	}
		3820
		3821	sub emergency_save() {
		3822	my $freeze_guard = cf::freeze_mainloop;
		3823
		3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
		3830
		3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	# use a peculiar iteration method to avoid tripping on perl
		3835	# refcount bugs in for. also avoids problems with players
		3836	# and maps saved/destroyed asynchronously.
		3837	info "emergency_perl_save: begin player save\n";
		3838	for my $login (keys %cf::PLAYER) {
		3839	my $pl = $cf::PLAYER{$login} or next;
		3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3842	$pl->save;
		3843	}
		3844	info "emergency_perl_save: end player save\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
		3849	for my $path (keys %cf::MAP) {
		3850	my $map = $cf::MAP{$path} or next;
		3851	$map->valid or next;
		3852	$map->save;
		3853	}
		3854	info "emergency_perl_save: end map save\n";
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
		3859	BDB::db_env_txn_checkpoint $DB_ENV;
		3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
		3884	};
		3885
		3886	info "emergency_perl_save: leave\n";
		3887	}
		3888
		3889	sub post_cleanup {
		3890	my ($make_core) = @_;
		3891
		3892	IO::AIO::flush;
		3893
		3894	error Carp::longmess "post_cleanup backtrace"
		3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
		3924	}
		3925
2019	sub reload() {	3926	sub do_reload_perl() {
2020	# can/must only be called in main	3927	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2022	warn "can only reload from main coroutine\n";	3929	error "can only reload from main coroutine";
2023	return;	3930	return;
2024	}	3931	}
2025		3932
2026	warn "reloading...";	3933	return if $RELOAD++;
2027		3934
2028	my $guard = freeze_mainloop;	3935	my $t1 = AE::time;
		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
		3943	cf::sync_job {
2029	cf::emergency_save;	3944	#cf::emergency_save;
2030		3945
2031	eval {	3946	trace "perl_reload: cancelling all extension coros";
2032	# if anything goes wrong in here, we should simply crash as we already saved
2033
2034	# cancel all watchers
2035	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}
2038
2039	# cancel all extension coros
2040	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	3948	%EXT_CORO = ();
2042		3949
2043	# unload all extensions	3950	trace "perl_reload: removing commands";
2044	for (@exts) {	3951	%COMMAND = ();
2045	warn "unloading <$_>";
2046	unload_extension $_;
2047	}
2048		3952
2049	# unload all modules loaded from $LIBDIR	3953	trace "perl_reload: removing ext/exti commands";
2050	while (my ($k, $v) = each %INC) {	3954	%EXTCMD = ();
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3955	%EXTICMD = ();
2052		3956
2053	warn "removing <$k>";	3957	trace "perl_reload: unloading/nuking all extensions";
2054	delete $INC{$k};	3958	for my $pkg (@EXTS) {
		3959	trace "... unloading $pkg";
2055		3960
2056	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;
2058
2059	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $pkg->can ("unload")) {
		3962	eval {
2060	$cb->();	3963	$cb->($pkg);
		3964	1
		3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2061	}	3970	}
2062		3971
2063	Symbol::delete_package $k;	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3973	while (my ($k, $v) = each %INC) {
		3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3975
		3976	trace "... unloading $k";
		3977	delete $INC{$k};
		3978
		3979	$k =~ s/\.pm$//;
		3980	$k =~ s/\//::/g;
		3981
		3982	if (my $cb = $k->can ("unload_module")) {
		3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2064	}	3987	}
2065		3988
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		3992
2074	# remove register_script_function callbacks	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2075	# TODO
2076
2077	# unload cf.pm "a bit"
2078	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2079		3996
2080	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2081	# and global variables created in xs	3998	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2083		4000
2084	# reload cf.pm	4001	info "perl_reload: unload completed, starting to reload now";
2085	warn "reloading cf.pm";	4002
		4003	trace "perl_reload: reloading cf.pm";
2086	require cf;	4004	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2088		4006
2089	# load config and database again	4007	trace "perl_reload: loading config and database again";
2090	cf::cfg_load;	4008	cf::reload_config;
2091	cf::db_load;
2092		4009
2093	# load extensions	4010	trace "perl_reload: loading extensions";
2094	warn "load extensions";
2095	cf::load_extensions;	4011	cf::load_extensions;
2096		4012
2097	# reattach attachments to objects	4013	if ($REATTACH_ON_RELOAD) {
2098	warn "reattach";	4014	trace "perl_reload: reattaching attachments to objects/players";
2099	_global_reattach;	4015	_global_reattach; # objects, sockets
		4016	trace "perl_reload: reattaching attachments to maps";
		4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
		4021
		4022	cf::_post_init 1;
		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
		4026	1
		4027	} or do {
		4028	error $@;
		4029	cf::cleanup "perl_reload: error, exiting.";
		4030	};
		4031
		4032	--$RELOAD;
		4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
		4037	};
		4038
		4039	our $RELOAD_WATCHER; # used only during reload
		4040
		4041	sub reload_perl() {
		4042	# doing reload synchronously and two reloads happen back-to-back,
		4043	# coro crashes during coro_state_free->destroy here.
		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
		4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4049	do_reload_perl;
		4050	undef $RELOAD_WATCHER;
		4051	};
2100	};	4052	};
2101
2102	if ($@) {
2103	warn $@;
2104	warn "error while reloading, exiting.";
2105	exit 1;
2106	}
2107
2108	warn "reloaded successfully";
2109	};
2110
2111	#############################################################################
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	4053	}
2153
2154	register "<global>", __PACKAGE__;
2155		4054
2156	register_command "reload" => sub {	4055	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2158		4057
2159	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
		4062	reload_perl;
		4063	};
2163	}	4064	}
2164	};	4065	};
2165		4066
2166	unshift @INC, $LIBDIR;	4067	#############################################################################
2167		4068
2168	$TICK_WATCHER = Event->timer (	4069	my $bug_warning = 0;
2169	reentrant => 0,	4070
2170	prio => 0,	4071	our @WAIT_FOR_TICK;
2171	at => $NEXT_TICK || $TICK,	4072	our @WAIT_FOR_TICK_BEGIN;
2172	data => WF_AUTOCANCEL,	4073
2173	cb => sub {	4074	sub wait_for_tick() {
		4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4076
		4077	my $signal = new Coro::Signal;
		4078	push @WAIT_FOR_TICK, $signal;
		4079	$signal->wait;
		4080	}
		4081
		4082	sub wait_for_tick_begin() {
		4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4084
		4085	my $signal = new Coro::Signal;
		4086	push @WAIT_FOR_TICK_BEGIN, $signal;
		4087	$signal->wait;
		4088	}
		4089
		4090	sub tick {
		4091	if ($Coro::current != $Coro::main) {
		4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4093	unless ++$bug_warning > 10;
		4094	return;
		4095	}
		4096
2174	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;
2177		4098
2178	# if we are delayed by four ticks or more, skip them all	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		4100
2181	$TICK_WATCHER->at ($NEXT_TICK);	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2182	$TICK_WATCHER->start;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2183	},	4103	Coro::async_pool {
2184	);	4104	$Coro::current->{desc} = "runtime saver";
2185
2186	IO::AIO::max_poll_time $TICK * 0.2;
2187
2188	Event->io (
2189	fd => IO::AIO::poll_fileno,
2190	poll => 'r',
2191	prio => 5,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,
2198	after => 0,
2199	interval => 10,
2200	cb => sub {
2201	(Coro::unblock_sub {
2202	write_runtime	4105	write_runtime_sync
2203	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2204	})->();	4107	};
2205	},	4108	}
2206	);	4109
		4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4111	$sig->send;
		4112	}
		4113	while (my $sig = shift @WAIT_FOR_TICK) {
		4114	$sig->send;
		4115	}
		4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
		4126	}
		4127	}
		4128
		4129	{
		4130	# configure BDB
		4131
		4132	BDB::min_parallel 16;
		4133	BDB::max_poll_reqs $TICK * 0.1;
		4134	$AnyEvent::BDB::WATCHER->priority (1);
		4135
		4136	unless ($DB_ENV) {
		4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4143
		4144	cf::sync_job {
		4145	eval {
		4146	BDB::db_env_open
		4147	$DB_ENV,
		4148	$BDBDIR,
		4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4151	0666;
		4152
		4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4154	};
		4155
		4156	cf::cleanup "db_env_open(db): $@" if $@;
		4157	};
		4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
		4169	}
		4170
		4171	{
		4172	# configure IO::AIO
		4173
		4174	IO::AIO::min_parallel 8;
		4175	IO::AIO::max_poll_time $TICK * 0.1;
		4176	undef $AnyEvent::AIO::WATCHER;
		4177	}
		4178
		4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
		4181
		4182	sub _log_backtrace {
		4183	my ($msg, @addr) = @_;
		4184
		4185	$msg =~ s/\n$//;
		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4223	}
		4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2207		4229
2208	END { cf::emergency_save }	4230	END { cf::emergency_save }
2209		4231
2210	1	4232	1
2211		4233

Diff Legend

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