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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 2010 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 (2); # 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
		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" };
32		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	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
76	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		187
78	#############################################################################	188	#############################################################################
79		189
80	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
81		191
…		…
88	=item $cf::RUNTIME	198	=item $cf::RUNTIME
89		199
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	201	every server tick.
92		202
93	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		206
95	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
97		211
98	=item $cf::NOW	212	=item $cf::NOW
99		213
100	The time of the last (current) server tick.	214	The time of the last (current) server tick.
101		215
102	=item $cf::TICK	216	=item $cf::TICK
103		217
104	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
105		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
106	=item %cf::CFG	230	=item %cf::CFG
107		231
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	233	from wherever your confdir points to.
110		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one thread
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
111	=back	258	=back
112		259
113	=cut	260	=cut
114		261
115	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	269	my $msg = join "", @_;
118	utf8::encode $msg;
119		270
120	$msg .= "\n"	271	$msg .= "\n"
121	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
122		273
123	LOG llevError, "cfperl: $msg";	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
124	};	275
125	}	276	LOG llevWarn, $msg;
		277	};
		278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
126		292
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		300
134	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	302	# within the Safe compartment.
136	for my $pkg (qw(	303	for my $pkg (qw(
137	cf::global cf::attachable	304	cf::global cf::attachable
138	cf::object cf::object::player	305	cf::object cf::object::player
139	cf::client cf::player	306	cf::client cf::player
140	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
141	cf::map cf::party cf::region	309	cf::party cf::region
142	)) {	310	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	312	}
146		313
147	$Event::DIED = sub {	314	$EV::DIED = sub {
148	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
149	};	316	};
150		317
151	my %ext_pkg;	318	#############################################################################
152	my @exts;
153	my @hook;
154		319
155	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
156		321
157	=over 4	322	=over 4
158		323
159	=cut	324	=item dumpval $ref
160		325
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	326	=cut
162		327
		328	sub dumpval {
		329	eval {
		330	local $SIG{__DIE__};
		331	my $d;
		332	if (1) {
		333	$d = new Data::Dumper([$_[0]], ["*var"]);
		334	$d->Terse(1);
		335	$d->Indent(2);
		336	$d->Quotekeys(0);
		337	$d->Useqq(1);
		338	#$d->Bless(...);
		339	$d->Seen($_[1]) if @_ > 1;
		340	$d = $d->Dump();
		341	}
		342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		343	$d
		344	} || "[unable to dump $_[0]: '$@']";
		345	}
		346
163	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
164		348
165	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
166		350
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
175		352
176	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
177		354
178	=cut	355	=cut
179		356
180	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		358
185	=item my $guard = cf::guard { BLOCK }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
186		361
187	Run the given callback when the guard object gets destroyed (useful for	362	=item $ref = cf::yaml_load $scalar
188	coroutine cancellations).
189		363
190	You can call C<< ->cancel >> on the guard object to stop the block from	364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
191	being executed.
192		365
193	=cut	366	=cut
194		367
195	sub guard(&) {	368	sub fork_call(&@);
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198		369
199	sub cf::guard::cancel {	370	sub yaml_load($) {
200	${$_[0]} = sub { };	371	fork_call { YAML::XS::Load $_[0] } @_
201	}	372	}
202		373
203	sub cf::guard::DESTROY {	374	=item cf::post_init { BLOCK }
204	${$_[0]}->();	375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
205	}	403	}
206		404
207	=item cf::lock_wait $string	405	=item cf::lock_wait $string
208		406
209	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
210		408
211	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
212		410
213	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
216	returned.	414	returned.
217		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
218	Lock names should begin with a unique identifier (for example, find_map	419	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	420	uses map_find and cf::map::load uses map_load).
220		421
221	=cut	422	=item $locked = cf::lock_active $string
222		423
223	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
224		429
225	sub lock_wait($) {	430	sub lock_wait($) {
226	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	432	}
234		433
235	sub lock_acquire($) {	434	sub lock_acquire($) {
236	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
237		437
238	# wait, to be sure we are not locked	438	sub lock_active($) {
239	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
		440	}
240		441
241	$LOCK{$key} = [];	442	sub freeze_mainloop {
		443	tick_inhibit_inc;
242		444
243	cf::guard {	445	&Guard::guard (\&tick_inhibit_dec);
244	# wake up all waiters, to be on the safe side	446	}
245	$_->ready for @{ delete $LOCK{$key} };	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
246	}	512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
247	}	528	}
248		529
249	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
250		531
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	532	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	533	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		534	thing you are allowed to do is call C<prio> on it.
253		535
254	=cut	536	=cut
255		537
256	sub async(&) {	538	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		539
265	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
266		541
267	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
268	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
269	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
270		546
271	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
272	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
273	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
274	fast or be very important.	550	fast or be very important.
…		…
276	=cut	552	=cut
277		553
278	sub sync_job(&) {	554	sub sync_job(&) {
279	my ($job) = @_;	555	my ($job) = @_;
280		556
281	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
282	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
284		562
285	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
286	# (but this is cancel-safe)	564
287	local $FREEZE = 1;	565	my $freeze_guard = freeze_mainloop;
288		566
289	my $busy = 1;	567	my $busy = 1;
290	my @res;	568	my @res;
291		569
292	(Coro::async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
293	@res = eval { $job->() };	572	@res = eval { $job->() };
294	warn $@ if $@;	573	error $@ if $@;
295	undef $busy;	574	undef $busy;
296	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
297		576
298	while ($busy) {	577	while ($busy) {
		578	if (Coro::nready) {
299	Coro::cede_notself;	579	Coro::cede_notself;
300	Event::one_event unless Coro::nready;	580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
301	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
302		588
303	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
304	} else {	590	} else {
305	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
306		592
307	$job->()	593	$job->()
308	}	594	}
309	}	595	}
310		596
311	=item $coro = cf::coro { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
312		598
313	Creates and returns a new coro. This coro is automcatially being canceled	599	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	600	extension calling this is being unloaded.
315		601
316	=cut	602	=cut
317		603
318	sub coro(&) {	604	sub async_ext(&) {
319	my $cb = shift;	605	my $cb = shift;
320		606
321	my $coro = &cf::async ($cb);	607	my $coro = &Coro::async ($cb);
322		608
323	$coro->on_destroy (sub {	609	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	610	delete $EXT_CORO{$coro+0};
325	});	611	});
326	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
327		613
328	$coro	614	$coro
329	}	615	}
330		616
331	sub write_runtime {	617	=item fork_call { }, @args
332	my $runtime = cf::localdir . "/runtime";
333		618
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
335	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
336		623
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;
340		625
341	aio_fsync $fh	626	sub post_fork {
342	and return;	627	reset_signals;
		628	}
343		629
344	close $fh	630	sub fork_call(&@) {
345	or return;	631	my ($cb, @args) = @_;
346		632
347	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
348	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
349		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
350	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
351	}	821	}
352		822
353	=back	823	=back
354		824
355	=cut	825	=cut
356		826
357	#############################################################################	827	#############################################################################
358		828
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476
477	#############################################################################
478
479	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
480		830
481	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
482	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
483	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
484		834
485	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
486	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
487	crossfire+).	837	Deliantra).
488		838
489	=over 4	839	=over 4
490		840
491	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
492		842
…		…
536	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
537		887
538	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
539	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
540		890
541	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
542	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
543		893
544	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
545		895
546	=over 4	896	=over 4
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	957	our @CB_MAP = ();
608		958
609	my %attachment;	959	my %attachment;
610		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
611	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
613		969
614	use sort 'stable';	970	use sort 'stable';
615		971
…		…
649	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
650		1006
651	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
652	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
653	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
654	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
655		1011
656	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
657	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
658		1014
659	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
664		1020
665	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
666	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
667		1023
668	} elsif (ref $type) {	1024	} elsif (ref $type) {
669	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
670		1026
671	} else {	1027	} else {
672	shift @arg;	1028	shift @arg;
673	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
674	}	1030	}
675	}	1031	}
676	}	1032	}
677		1033
678	sub _object_attach {	1034	sub _object_attach {
…		…
688	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
689	}	1045	}
690		1046
691	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
692	} else {	1048	} else {
693	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
694	}	1050	}
695		1051
696	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
697	}	1053	}
698		1054
…		…
700	if (ref $_[0]) {	1056	if (ref $_[0]) {
701	_object_attach @_;	1057	_object_attach @_;
702	} else {	1058	} else {
703	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
704	}	1060	}
		1061	_recalc_want;
705	};	1062	};
706		1063
707	# all those should be optimised	1064	# all those should be optimised
708	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
709	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
712	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
713	reattach ($obj);	1070	reattach ($obj);
714	} else {	1071	} else {
715	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
716	}	1073	}
		1074	_recalc_want;
717	};	1075	};
718		1076
719	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
720	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
721		1079
…		…
736	";	1094	";
737	die if $@;	1095	die if $@;
738	}	1096	}
739		1097
740	our $override;	1098	our $override;
741	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
742		1100
743	sub override {	1101	sub override {
744	$override = 1;	1102	$override = 1;
745	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
746	}	1104	}
747		1105
748	sub do_invoke {	1106	sub do_invoke {
749	my $event = shift;	1107	my $event = shift;
750	my $callbacks = shift;	1108	my $callbacks = shift;
751		1109
752	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
753		1111
754	local $override;	1112	local $override;
755		1113
756	for (@$callbacks) {	1114	for (@$callbacks) {
757	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
758		1116
759	if ($@) {	1117	if ($@) {
760	warn "$@";
761	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
762	override;	1119	override;
763	}	1120	}
764		1121
765	return 1 if $override;	1122	return 1 if $override;
766	}	1123	}
767		1124
768	0	1125	0
769	}	1126	}
770		1127
771	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
772		1129
773	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
774		1131
775	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
776		1133
777	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
778	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
779	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
780		1137
781	=back	1138	=back
782		1139
783	=cut	1140	=cut
784		1141
785	#############################################################################	1142	#############################################################################
786	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
787		1186
788	sub reattach {	1187	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		1193
792	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
793		1195
794	@$registry = ();	1196	@$registry = ();
795		1197
…		…
800	for (@$attach) {	1202	for (@$attach) {
801	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
802	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
803	}	1205	}
804	} else {	1206	} else {
805	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
806	}	1208	}
807	}	1209	}
808	}	1210	}
809		1211
810	cf::attachable->attach (	1212	cf::attachable->attach (
811	prio => -1000000,	1213	prio => -1000000,
812	on_instantiate => sub {	1214	on_instantiate => sub {
813	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
814		1216
815	$data = from_json $data;	1217	$data = decode_json $data;
816		1218
817	for (@$data) {	1219	for (@$data) {
818	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
819		1221
820	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
836	sub object_freezer_save {	1238	sub object_freezer_save {
837	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
838		1240
839	sync_job {	1241	sync_job {
840	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
841	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
842	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
843		1247
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	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;
847	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
848	close $fh;	1255	aio_close $fh;
849		1256
850	if (@$objs) {	1257	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	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;
855	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
856	close $fh;	1266	aio_close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
858	}	1268	}
859	} else {	1269	} else {
860	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
861	}	1271	}
862		1272
863	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
864	} else {	1277	} else {
865	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
866	}	1279	}
867	} else {	1280	} else {
868	aio_unlink $filename;	1281	aio_unlink $filename;
869	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
870	}	1283	}
871	}	1284	};
872	}	1285	}
873		1286
874	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
876		1289
…		…
888	or return;	1301	or return;
889		1302
890	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
891	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
892	or return;	1305	or return;
		1306
893	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
894	}	1309	}
895		1310
		1311	utf8::decode (my $decname = $filename);
896	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
897	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
898	return ($data, $av);	1316	($data, $av)
899	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
900		1324
901	#############################################################################	1325	#############################################################################
902	# command handling &c	1326	# command handling &c
903		1327
904	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
917	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
918	}	1342	}
919		1343
920	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
921		1345
922	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
923		1351
924	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
925	called.	1353	called.
926		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
927	=cut	1366	=cut
928		1367
929	sub register_extcmd {	1368	sub register_extcmd {
930	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
931		1370
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
936	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
937		1381
938	cf::player->attach (	1382	cf::player->attach (
939	on_command => sub {	1383	on_unknown_command => sub {
940	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
941		1385
942	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
943	or return;	1387	or return;
944		1388
…		…
949	cf::override;	1393	cf::override;
950	},	1394	},
951	on_extcmd => sub {	1395	on_extcmd => sub {
952	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
953		1397
954	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
955		1399
956	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
959	$pl->ext_reply ($msg->{msgid}, %reply);
960	}
961	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
962	} else {	1415	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
964	}	1417	}
965		1418
966	cf::override;	1419	cf::override;
967	},	1420	},
968	);	1421	);
969		1422
970	sub register {	1423	# "readahead" all extensions
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	1424	sub cache_extensions {
977	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
978		1426
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
980	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
981	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
982	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";
984
985	warn "loading '$path' into '$pkg'\n";
986
987	open my $fh, "<:utf8", $path
988	or die "$path: $!";
989
990	my $source =
991	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })
994	. "\n};\n1";
995
996	eval $source
997	or die $@ ? "$path: $@\n"
998	: "extension disabled.\n";
999
1000	push @exts, $pkg;
1001	$ext_pkg{$base} = $pkg;
1002
1003	# no strict 'refs';
1004	# @{"$pkg\::ISA"} = ext::;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }
1019
1020	# remove commands
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}	1430	}
1029	}	1431	};
1030		1432
1031	# remove extcmds	1433	$grp
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	1434	}
1045		1435
1046	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1047	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	1443	next unless -r $path;
1049	eval {	1444
1050	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1051	1	1508	}
1052	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1053	}	1519	};
1054	}	1520	}
1055		1521
1056	#############################################################################	1522	#############################################################################
1057	# load/save/clean perl data associated with a map
1058		1523
1059	*cf::mapsupport::on_clean = sub {	1524	=back
		1525
		1526	=head2 CORE EXTENSIONS
		1527
		1528	Functions and methods that extend core deliantra objects.
		1529
		1530	=cut
		1531
		1532	package cf::player;
		1533
		1534	use Coro::AIO;
		1535
		1536	=head3 cf::player
		1537
		1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
		1554	=item cf::player::find $login
		1555
		1556	Returns the given player object, loading it if necessary (might block).
		1557
		1558	=cut
		1559
		1560	sub playerdir($) {
		1561	"$PLAYERDIR/"
		1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1563	}
		1564
		1565	sub path($) {
		1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1567
		1568	(playerdir $login) . "/playerdata"
		1569	}
		1570
		1571	sub find_active($) {
		1572	$cf::PLAYER{$_[0]}
		1573	and $cf::PLAYER{$_[0]}->active
		1574	and $cf::PLAYER{$_[0]}
		1575	}
		1576
		1577	sub exists($) {
1060	my ($map) = @_;	1578	my ($login) = @_;
1061		1579
1062	my $path = $map->tmpname;	1580	$cf::PLAYER{$login}
1063	defined $path or return;	1581	or !aio_stat path $login
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}	1582	}
1076		1583
1077	# TODO: compatibility cruft, remove when no longer needed	1584	sub find($) {
		1585	return $cf::PLAYER{$_[0]} || do {
		1586	my $login = $_[0];
		1587
		1588	my $guard = cf::lock_acquire "user_find:$login";
		1589
		1590	$cf::PLAYER{$_[0]} || do {
		1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
		1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
		1606	$cf::PLAYER{$login} = $pl
		1607	}
		1608	}
		1609	}
		1610
1078	cf::player->attach (	1611	cf::player->attach (
1079	on_load => sub {	1612	on_load => sub {
1080	my ($pl, $path) = @_;	1613	my ($pl, $path) = @_;
1081		1614
1082	for my $o (all_objects $pl->ob) {	1615	# restore slots saved in save, below
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1616	my $slots = delete $pl->{_slots};
1084	$o->set_ob_key_value ("_perl_data");
1085		1617
1086	%$o = %{ Storable::thaw pack "H*", $value };	1618	$pl->ob->current_weapon ($slots->[0]);
1087	}	1619	$pl->combat_ob ($slots->[1]);
1088	}	1620	$pl->ranged_ob ($slots->[2]);
1089	},	1621	},
1090	);	1622	);
1091		1623
1092	#############################################################################	1624	sub save($) {
		1625	my ($pl) = @_;
1093		1626
1094	=head2 CORE EXTENSIONS	1627	return if $pl->{deny_save};
1095		1628
1096	Functions and methods that extend core crossfire objects.	1629	my $path = path $pl;
		1630	my $guard = cf::lock_acquire "user_save:$path";
1097		1631
1098	=head3 cf::player	1632	return if $pl->{deny_save};
		1633
		1634	aio_mkdir playerdir $pl, 0770;
		1635	$pl->{last_save} = $cf::RUNTIME;
		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
		1642	$pl->save_pl ($path);
		1643	cf::cede_to_tick;
		1644	}
		1645
		1646	sub new($) {
		1647	my ($login) = @_;
		1648
		1649	my $self = create;
		1650
		1651	$self->ob->name ($login);
		1652	$self->{deny_save} = 1;
		1653
		1654	$cf::PLAYER{$login} = $self;
		1655
		1656	$self
		1657	}
		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
		1669	=item $pl->quit_character
		1670
		1671	Nukes the player without looking back. If logged in, the connection will
		1672	be destroyed. May block for a long time.
		1673
		1674	=cut
		1675
		1676	sub quit_character {
		1677	my ($pl) = @_;
		1678
		1679	my $name = $pl->ob->name;
		1680
		1681	$pl->{deny_save} = 1;
		1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1683
		1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
		1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
		1691	$pl->ns->destroy if $pl->ns;
		1692
		1693	my $path = playerdir $pl;
		1694	my $temp = "$path~$cf::RUNTIME~deleting~";
		1695	aio_rename $path, $temp;
		1696	delete $cf::PLAYER{$pl->ob->name};
		1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
		1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
		1719	}
		1720
		1721	=item cf::player::list_logins
		1722
		1723	Returns am arrayref of all valid playernames in the system, can take a
		1724	while and may block, so not sync_job-capable, ever.
		1725
		1726	=cut
		1727
		1728	sub list_logins {
		1729	my $dirs = aio_readdir $PLAYERDIR
		1730	or return [];
		1731
		1732	my @logins;
		1733
		1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
		1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1741	aio_read $fh, 0, 512, my $buf, 0 or next;
		1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
		1744
		1745	utf8::decode $login;
		1746	push @logins, $login;
		1747	}
		1748
		1749	\@logins
		1750	}
		1751
		1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
		1755
		1756	Returns an arrayref of map paths that are private for this
		1757	player. May block.
		1758
		1759	=cut
		1760
		1761	sub maps($) {
		1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
		1765
		1766	my $files = aio_readdir playerdir $pl
		1767	or return;
		1768
		1769	my @paths;
		1770
		1771	for (@$files) {
		1772	utf8::decode $_;
		1773	next if /\.(?:pl|pst)$/;
		1774	next unless /^$PATH_SEP/o;
		1775
		1776	push @paths, cf::map::normalise "~$pl/$_";
		1777	}
		1778
		1779	\@paths
		1780	}
		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
		1786	=item $player->ext_reply ($msgid, @msg)
		1787
		1788	Sends an ext reply to the player.
		1789
		1790	=cut
		1791
		1792	sub ext_reply($$@) {
		1793	my ($self, $id, @msg) = @_;
		1794
		1795	$self->ns->ext_reply ($id, @msg)
		1796	}
		1797
		1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
1099		1811
1100	=over 4	1812	=over 4
1101		1813
1102	=item cf::player::exists $login
1103
1104	Returns true when the given account exists.
1105
1106	=cut	1814	=cut
1107		1815
1108	sub cf::player::exists($) {	1816	package cf::region;
1109	cf::player::find $_[0]
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1111	}
1112		1817
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1818	=item cf::region::find_by_path $path
1114		1819
1115	Sends an ext reply to the player.	1820	Tries to decuce the likely region for a map knowing only its path.
1116		1821
1117	=cut	1822	=cut
1118		1823
1119	sub cf::player::ext_reply($$$%) {	1824	sub find_by_path($) {
1120	my ($self, $id, %msg) = @_;	1825	my ($path) = @_;
1121		1826
1122	$msg{msgid} = $id;	1827	$path =~ s/^~[^\/]*//; # skip ~login
1123		1828
1124	$self->send ("ext " . to_json \%msg);	1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
1125	}	1839	}
1126		1840
1127	=back	1841	=back
1128
1129		1842
1130	=head3 cf::map	1843	=head3 cf::map
1131		1844
1132	=over 4	1845	=over 4
1133		1846
…		…
1136	package cf::map;	1849	package cf::map;
1137		1850
1138	use Fcntl;	1851	use Fcntl;
1139	use Coro::AIO;	1852	use Coro::AIO;
1140		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1141	our $MAX_RESET = 7200;	1858	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1859	our $DEFAULT_RESET = 3000;
1143		1860
1144	sub generate_random_map {	1861	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1146		1865
1147	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1867	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1875	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1876	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1877	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1878	(cf::region::find $rmp->{region}), $rmp->{custom}
		1879	)
1161	}	1880	}
1162		1881
1163	# and all this just because we cannot iterate over	1882	=item cf::map->register ($regex, $prio)
1164	# all maps in C++...
1165	sub change_all_map_light {
1166	my ($change) = @_;
1167		1883
1168	$_->change_map_light ($change)	1884	Register a handler for the map path matching the given regex at the
1169	for grep $_->outdoor, values %cf::MAP;	1885	givne priority (higher is better, built-in handlers have priority 0, the
1170	}	1886	default).
1171		1887
1172	sub try_load_header($) {	1888	=cut
		1889
		1890	sub register {
		1891	my (undef, $regex, $prio) = @_;
		1892	my $pkg = caller;
		1893
		1894	push @{"$pkg\::ISA"}, __PACKAGE__;
		1895
		1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1897	}
		1898
		1899	# also paths starting with '/'
		1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1901
		1902	sub thawer_merge {
		1903	my ($self, $merge) = @_;
		1904
		1905	# we have to keep some variables in memory intact
		1906	local $self->{path};
		1907	local $self->{load_path};
		1908
		1909	$self->SUPER::thawer_merge ($merge);
		1910	}
		1911
		1912	sub normalise {
1173	my ($path) = @_;	1913	my ($path, $base) = @_;
		1914
		1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
		1918
		1919	# map plan:
		1920	#
		1921	# /! non-realised random map exit (special hack!)
		1922	# {... are special paths that are not being touched
		1923	# ?xxx/... are special absolute paths
		1924	# ?random/... random maps
		1925	# /... normal maps
		1926	# ~user/... per-player map of a specific user
		1927
		1928	$path =~ s/$PATH_SEP/\//go;
		1929
		1930	# treat it as relative path if it starts with
		1931	# something that looks reasonable
		1932	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1933	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1934
		1935	$base =~ s{[^/]+/?$}{};
		1936	$path = "$base/$path";
		1937	}
		1938
		1939	for ($path) {
		1940	redo if s{//}{/};
		1941	redo if s{/\.?/}{/};
		1942	redo if s{/[^/]+/\.\./}{/};
		1943	}
		1944
		1945	$path
		1946	}
		1947
		1948	sub new_from_path {
		1949	my (undef, $path, $base) = @_;
		1950
		1951	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1952
		1953	$path = normalise $path, $base;
		1954
		1955	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1956	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1957	my $self = bless cf::map::new, $pkg;
		1958	$self->{path} = $path; $self->path ($path);
		1959	$self->init; # pass $1 etc.
		1960	return $self;
		1961	}
		1962	}
		1963
		1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1965	()
		1966	}
		1967
		1968	sub init {
		1969	my ($self) = @_;
		1970
		1971	$self
		1972	}
		1973
		1974	sub as_string {
		1975	my ($self) = @_;
		1976
		1977	"$self->{path}"
		1978	}
		1979
		1980	# the displayed name, this is a one way mapping
		1981	sub visible_name {
		1982	&as_string
		1983	}
		1984
		1985	# the original (read-only) location
		1986	sub load_path {
		1987	my ($self) = @_;
		1988
		1989	"$MAPDIR/$self->{path}.map"
		1990	}
		1991
		1992	# the temporary/swap location
		1993	sub save_path {
		1994	my ($self) = @_;
		1995
		1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1997	"$TMPDIR/$path.map"
		1998	}
		1999
		2000	# the unique path, undef == no special unique path
		2001	sub uniq_path {
		2002	my ($self) = @_;
		2003
		2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2005	"$UNIQUEDIR/$path"
		2006	}
		2007
		2008	sub decay_objects {
		2009	my ($self) = @_;
		2010
		2011	return if $self->{deny_reset};
		2012
		2013	$self->do_decay_objects;
		2014	}
		2015
		2016	sub unlink_save {
		2017	my ($self) = @_;
		2018
		2019	utf8::encode (my $save = $self->save_path);
		2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2022	}
		2023
		2024	sub load_header_from($) {
		2025	my ($self, $path) = @_;
1174		2026
1175	utf8::encode $path;	2027	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1177	or return;	2029	or return;
1178		2030
1179	my $map = cf::map::new	2031	$self->_load_header ($f)
1180	or return;	2032	or return;
1181		2033
1182	$map->load_header ($path)	2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
		2036
		2037	$self->{load_path} = $path;
		2038
		2039	1
		2040	}
		2041
		2042	sub load_header_orig {
		2043	my ($self) = @_;
		2044
		2045	$self->load_header_from ($self->load_path)
		2046	}
		2047
		2048	sub load_header_temp {
		2049	my ($self) = @_;
		2050
		2051	$self->load_header_from ($self->save_path)
		2052	}
		2053
		2054	sub prepare_temp {
		2055	my ($self) = @_;
		2056
		2057	$self->last_access ((delete $self->{last_access})
		2058	|| $cf::RUNTIME); #d#
		2059	# safety
		2060	$self->{instantiate_time} = $cf::RUNTIME
		2061	if $self->{instantiate_time} > $cf::RUNTIME;
		2062	}
		2063
		2064	sub prepare_orig {
		2065	my ($self) = @_;
		2066
		2067	$self->{load_original} = 1;
		2068	$self->{instantiate_time} = $cf::RUNTIME;
		2069	$self->last_access ($cf::RUNTIME);
		2070	$self->instantiate;
		2071	}
		2072
		2073	sub load_header {
		2074	my ($self) = @_;
		2075
		2076	if ($self->load_header_temp) {
		2077	$self->prepare_temp;
		2078	} else {
		2079	$self->load_header_orig
1183	or return;	2080	or return;
		2081	$self->prepare_orig;
		2082	}
1184		2083
1185	$map->{load_path} = $path;	2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
1186		2086
1187	$map	2087	$self->default_region (cf::region::find_by_path $self->{path})
1188	}	2088	unless $self->default_region;
1189		2089
		2090	1
		2091	}
		2092
1190	sub find_map;	2093	sub find;
1191	sub find_map {	2094	sub find {
1192	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1193		2096
1194	#warn "find_map<$path,$origin>\n";#d#	2097	cf::cede_to_tick;
1195		2098
1196	$path = new cf::path $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		2100
1199	cf::lock_wait "map_find:$key";	2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1200
1201	$cf::MAP{$key} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1203		2103
1204	# do it the slow way	2104	$cf::MAP{$path} || do {
1205	my $map = try_load_header $path->save_path;	2105	my $map = new_from_path cf::map $path
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	2106	or return;
1219		2107
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		2109
1233	if ($map->should_reset) {	2110	$map->load_header
		2111	or return;
		2112
		2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2114	# doing this can freeze the server in a sync job, obviously
		2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1234	$map->reset;	2118	$map->reset;
1235	undef $guard;	2119	return find $path;
1236	$map = find_map $path
1237	or return;
1238	}	2120	}
1239		2121
1240	$cf::MAP{$key} = $map	2122	$cf::MAP{$path} = $map
1241	}	2123	}
1242	}	2124	}
		2125
		2126	sub pre_load { }
		2127	#sub post_load { } # XS
1243		2128
1244	sub load {	2129	sub load {
1245	my ($self) = @_;	2130	my ($self) = @_;
1246		2131
		2132	local $self->{deny_reset} = 1; # loading can take a long time
		2133
1247	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2137	my $guard = cf::lock_acquire "map_data:$path";
1249		2138
		2139	return unless $self->valid;
1250	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1251		2141
1252	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1253		2143
1254	$self->alloc;	2144	$self->alloc;
1255	$self->load_objects ($self->{load_path}, 1)	2145
		2146	$self->pre_load;
		2147	cf::cede_to_tick;
		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1256	or return;	2152	or return;
1257		2153
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1259	if delete $self->{load_original};	2155	if delete $self->{load_original};
1260		2156
1261	if (my $uniq = $path->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	2158	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1264	$self->clear_unique_items;	2161	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1266	}	2165	}
1267	}	2166	}
1268		2167
		2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1269	# now do the right thing for maps	2171	# now do the right thing for maps
1270	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1271
1272	if ($self->{path}->is_style_map) {
1273	$self->{deny_save} = 1;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;
1279	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	2174	unless $self->difficulty;
		2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1282	$self->activate;	2182	$self->activate;
1283	}	2183	}
1284		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1285	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1286	}	2189	}
1287		2190
1288	sub load_map_sync {	2191	$self->post_load;
		2192	}
		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
		2197	sub customise_for {
		2198	my ($self, $ob) = @_;
		2199
		2200	return find "~" . $ob->name . "/" . $self->{path}
		2201	if $self->per_player;
		2202
		2203	# return find "?party/" . $ob->name . "/" . $self->{path}
		2204	# if $self->per_party;
		2205
		2206	$self
		2207	}
		2208
		2209	# find and load all maps in the 3x3 area around a map
		2210	sub load_neighbours {
		2211	my ($map) = @_;
		2212
		2213	my @neigh; # diagonal neighbours
		2214
		2215	for (0 .. 3) {
		2216	my $neigh = $map->tile_path ($_)
		2217	or next;
		2218	$neigh = find $neigh, $map
		2219	or next;
		2220	$neigh->load;
		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
		2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2226	}
		2227
		2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
		2230	my $neigh = find $path, $origin
		2231	or next;
		2232	$neigh->load;
		2233	}
		2234	}
		2235
		2236	sub find_sync {
1289	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1290		2238
1291	#warn "load_map_sync<$path, $origin>\n";#d#	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
1292		2241
1293	cf::sync_job {	2242	find $path, $origin
1294	my $map = cf::map::find_map $path, $origin	2243	}
1295	or return;	2244
		2245	sub do_load_sync {
		2246	my ($map) = @_;
		2247
		2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
1296	$map->load;	2251	$map->load;
1297	$map	2252	}
		2253
		2254	our %MAP_PREFETCH;
		2255	our $MAP_PREFETCHER = undef;
		2256
		2257	sub find_async {
		2258	my ($path, $origin, $load) = @_;
		2259
		2260	$path = normalise $path, $origin && $origin->{path};
		2261
		2262	if (my $map = $cf::MAP{$path}) {
		2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2264	}
		2265
		2266	$MAP_PREFETCH{$path} |= $load;
		2267
		2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
		2271	while (%MAP_PREFETCH) {
		2272	while (my ($k, $v) = each %MAP_PREFETCH) {
		2273	if (my $map = find $k) {
		2274	$map->load if $v;
		2275	}
		2276
		2277	delete $MAP_PREFETCH{$k};
		2278	}
		2279	}
		2280	undef $MAP_PREFETCHER;
		2281	};
		2282	$MAP_PREFETCHER->prio (6);
		2283
		2284	()
		2285	}
		2286
		2287	# common code, used by both ->save and ->swapout
		2288	sub _save {
		2289	my ($self) = @_;
		2290
		2291	$self->{last_save} = $cf::RUNTIME;
		2292
		2293	return unless $self->dirty;
		2294
		2295	my $save = $self->save_path; utf8::encode $save;
		2296	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2297
		2298	$self->{load_path} = $save;
		2299
		2300	return if $self->{deny_save};
		2301
		2302	local $self->{last_access} = $self->last_access;#d#
		2303
		2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
		2306	$_->contr->save for $self->players;
		2307	};
		2308
		2309	cf::get_slot 0.02;
		2310
		2311	if ($uniq) {
		2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2314	} else {
		2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1298	}	2316	}
1299	}	2317	}
1300		2318
1301	sub save {	2319	sub save {
1302	my ($self) = @_;	2320	my ($self) = @_;
1303		2321
1304	$self->{last_save} = $cf::RUNTIME;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1305		2323
1306	return unless $self->dirty;	2324	$self->_save;
1307
1308	my $save = $self->{path}->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1310
1311	$self->{load_path} = $save;
1312
1313	return if $self->{deny_save};
1314
1315	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}
1321	}	2325	}
1322		2326
1323	sub swap_out {	2327	sub swap_out {
1324	my ($self) = @_;	2328	my ($self) = @_;
1325		2329
1326	# save first because save cedes	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327	$self->save;
1328		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1329	return if $self->players;	2334	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};
1332		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1333	$self->clear;	2345	$self->clear;
1334	$self->in_memory (cf::MAP_SWAPPED);
1335	}	2346	}
1336		2347
1337	sub reset_at {	2348	sub reset_at {
1338	my ($self) = @_;	2349	my ($self) = @_;
1339		2350
1340	# TODO: safety, remove and allow resettable per-player maps	2351	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};
1342	return 1e99 if $self->{deny_reset};	2352	return 1e99 if $self->{deny_reset};
1343		2353
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		2356
…		…
1351	my ($self) = @_;	2361	my ($self) = @_;
1352		2362
1353	$self->reset_at <= $cf::RUNTIME	2363	$self->reset_at <= $cf::RUNTIME
1354	}	2364	}
1355		2365
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	2366	sub reset {
1378	my ($self) = @_;	2367	my ($self) = @_;
1379		2368
		2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2370
1380	return if $self->players;	2371	return if $self->players;
1381	return if $self->{path}{user_rel};#d#
1382		2372
1383	warn "resetting map ", $self->path;#d#	2373	cf::trace "resetting map ", $self->path, "\n";
		2374
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# need to save uniques path
		2378	unless ($self->{deny_save}) {
		2379	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2380
		2381	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2382	if $uniq;
		2383	}
1384		2384
1385	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1386		2386
		2387	$self->deactivate;
1387	$_->clear_links_to ($self) for values %cf::MAP;	2388	$_->clear_links_to ($self) for values %cf::MAP;
		2389	$self->clear;
1388		2390
1389	$self->unlink_save;	2391	$self->unlink_save;
1390	$self->destroy;	2392	$self->destroy;
1391	}	2393	}
1392		2394
1393	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1394		2396
1395	sub nuke {	2397	sub nuke {
1396	my ($self) = @_;	2398	my ($self) = @_;
1397		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
		2403	delete $cf::MAP{$self->path};
		2404
		2405	$self->unlink_save;
		2406
		2407	bless $self, "cf::map::wrap";
		2408	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2412
		2413	$cf::MAP{$self->path} = $self;
		2414	}
		2415
1401	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
1402	}	2417	}
1403		2418
1404	sub customise_for {	2419	=item $maps = cf::map::tmp_maps
1405	my ($map, $ob) = @_;
1406		2420
1407	if ($map->per_player) {	2421	Returns an arrayref with all map paths of currently instantiated and saved
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2422	maps. May block.
		2423
		2424	=cut
		2425
		2426	sub tmp_maps() {
1409	}	2427	[
1410		2428	map {
1411	$map	2429	utf8::decode $_;
		2430	/\.map$/
		2431	? normalise $_
		2432	: ()
		2433	} @{ aio_readdir $TMPDIR or [] }
		2434	]
1412	}	2435	}
1413		2436
1414	sub emergency_save {	2437	=item $maps = cf::map::random_maps
1415	local $cf::FREEZE = 1;
1416		2438
1417	warn "enter emergency map save\n";	2439	Returns an arrayref with all map paths of currently instantiated and saved
		2440	random maps. May block.
1418		2441
1419	cf::sync_job {	2442	=cut
1420	warn "begin emergency map save\n";	2443
1421	$_->save for values %cf::MAP;	2444	sub random_maps() {
		2445	[
		2446	map {
		2447	utf8::decode $_;
		2448	/\.map$/
		2449	? normalise "?random/$_"
		2450	: ()
		2451	} @{ aio_readdir $RANDOMDIR or [] }
		2452	]
		2453	}
		2454
		2455	=item cf::map::unique_maps
		2456
		2457	Returns an arrayref of paths of all shared maps that have
		2458	instantiated unique items. May block.
		2459
		2460	=cut
		2461
		2462	sub unique_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
		2469	: normalise $_
		2470	} @{ aio_readdir $UNIQUEDIR or [] }
		2471	]
		2472	}
		2473
		2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
1422	};	2501	}
1423		2502
1424	warn "end emergency map save\n";	2503	\@maps
		2504	}
		2505
		2506	=back
		2507
		2508	=head3 cf::object
		2509
		2510	=cut
		2511
		2512	package cf::object;
		2513
		2514	=over 4
		2515
		2516	=item $ob->inv_recursive
		2517
		2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
		2520
		2521	=cut
		2522
		2523	sub inv_recursive_;
		2524	sub inv_recursive_ {
		2525	map { $_, inv_recursive_ $_->inv } @_
		2526	}
		2527
		2528	sub inv_recursive {
		2529	inv_recursive_ inv $_[0]
		2530	}
		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
1425	}	2558	}
1426		2559
1427	package cf;	2560	package cf;
1428		2561
1429	=back	2562	=back
1430
1431		2563
1432	=head3 cf::object::player	2564	=head3 cf::object::player
1433		2565
1434	=over 4	2566	=over 4
1435		2567
…		…
1438	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1439	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
1440	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1441		2573
1442	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
1443		2589
1444	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1445	# with dialog boxes.	2591	# with dialog boxes.
1446	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
1447	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1449		2595
1450	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1451		2597
1452	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1453	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1454	} else {	2601	} else {
		2602	my $pl = $self->contr;
		2603
		2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2605	my $dialog = $pl->{npc_dialog};
		2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2607
		2608	} else {
1455	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1456	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1457	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
1458	}	2623	}
1459		2624
1460	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1461		2626
1462	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1475		2640
1476	=item $player_object->enter_link	2641	=item $player_object->enter_link
1477		2642
1478	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
1479		2644
1480	The player should be reaosnably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
1481	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
		2649
		2650	Will never block.
1482		2651
1483	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1484		2653
1485	Moves the player out of the specila link map onto the given map. If the	2654	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	2655	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	2656	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	2657	fails, to the emergency map position.
1489		2658
1490	Might block.	2659	Might block.
1491		2660
1492	=cut	2661	=cut
		2662
		2663	sub link_map {
		2664	unless ($LINK_MAP) {
		2665	$LINK_MAP = cf::map::find "{link}"
		2666	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2667	$LINK_MAP->load;
		2668	}
		2669
		2670	$LINK_MAP
		2671	}
1493		2672
1494	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1495	my ($self) = @_;	2674	my ($self) = @_;
1496		2675
1497	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1498		2677
1499	return if $self->map == $LINK_MAP;	2678	++$self->{_link_recursion};
		2679
		2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		2681
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	2683	if $self->map && $self->map->{path} ne "{link}";
1503		2684
1504	$self->enter_map ($LINK_MAP, 20, 20);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1505	}	2686	}
1506		2687
1507	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
		2690
		2691	return unless $self->contr->active;
1509		2692
1510	my $link_pos = delete $self->{_link_pos};	2693	my $link_pos = delete $self->{_link_pos};
1511		2694
1512	unless ($map) {	2695	unless ($map) {
1513	# restore original map position	2696	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	2697	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	2698	$map = cf::map::find $map;
1516		2699
1517	unless ($map) {	2700	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	2701	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	2702	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	2703	or die "FATAL: cannot load emergency map\n";
1521	}	2704	}
1522	}	2705	}
1523		2706
1524	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
1525	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
1526		2709
1527	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
1530		2713
1531	$map->load;	2714	$map->load;
		2715	$map->load_neighbours;
1532		2716
		2717	return unless $self->contr->active;
		2718
		2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2720	if ($self->enter_map ($map, $x, $y)) {
		2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
1533	$self->activate_recursive;	2724	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);
1535	}
1536
1537	cf::player->attach (
1538	on_logout => sub {
1539	my ($pl) = @_;
1540
1541	# abort map switching before logout
1542	if ($pl->ob->{_link_pos}) {
1543	cf::sync_job {
1544	$pl->ob->leave_link
1545	};
1546	}
1547	},	2725	}
1548	on_login => sub {
1549	my ($pl) = @_;
1550		2726
1551	# try to abort aborted map switching on player login :)	2727	}
1552	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;
1555	cf::async {
1556	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;
1560	};
1561	}
1562	},
1563	);
1564		2728
1565	=item $player_object->goto_map ($path, $x, $y)	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1566		2730
1567	=cut	2731	Moves the player to the given map-path and coordinates by first freezing
		2732	her, loading and preparing them map, calling the provided $check callback
		2733	that has to return the map if sucecssful, and then unfreezes the player on
		2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
1568		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
		2740	=cut
		2741
		2742	our $GOTOGEN;
		2743
1569	sub cf::object::player::goto_map {	2744	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
		2753	# do generation counting so two concurrent goto's will be executed in-order
		2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1571		2755
1572	$self->enter_link;	2756	$self->enter_link;
1573		2757
1574	(cf::async {	2758	(async {
1575	$path = new cf::path $path;	2759	$Coro::current->{desc} = "player::goto $path $x $y";
1576		2760
1577	my $map = cf::map::find_map $path->as_string;	2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
		2780	my $map = eval {
		2781	my $map = defined $path ? cf::map::find $path : undef;
		2782
		2783	if ($map) {
1578	$map = $map->customise_for ($self) if $map;	2784	$map = $map->customise_for ($self);
1579		2785	$map = $check->($map, $x, $y, $self) if $check && $map;
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	2786	} else {
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2788	}
1584		2789
		2790	$map
		2791	};
		2792
		2793	if ($@) {
		2794	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2795	LOG llevError | logBacktrace, Carp::longmess $@;
		2796	}
		2797
		2798	if ($gen == $self->{_goto_generation}) {
		2799	delete $self->{_goto_generation};
1585	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
		2801	}
		2802
		2803	$done->($self) if $done;
1586	})->prio (1);	2804	})->prio (1);
1587	}	2805	}
1588		2806
1589	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
1590		2808
…		…
1592		2810
1593	sub parse_random_map_params {	2811	sub parse_random_map_params {
1594	my ($spec) = @_;	2812	my ($spec) = @_;
1595		2813
1596	my $rmp = { # defaults	2814	my $rmp = { # defaults
1597	xsize => 10,	2815	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	2816	ysize => (cf::rndm 15, 40),
		2817	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2818	#layout => string,
1599	};	2819	};
1600		2820
1601	for (split /\n/, $spec) {	2821	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	2822	my ($k, $v) = split /\s+/, $_, 2;
1603		2823
…		…
1615	# that depends on the exit object	2835	# that depends on the exit object
1616		2836
1617	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
1618		2838
1619	if ($exit->map) {	2839	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	2840	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
1624	}	2846	}
1625		2847
1626	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
1627		2849
1628	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1629	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
		2852	my $meta = "$RANDOMDIR/$md5.meta";
1630		2853
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
		2856	undef $fh;
		2857	aio_rename "$meta~", $meta;
1633		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
1634	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
1636	}	2865	}
1637	}	2866	}
1638		2867
1639	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
1641		2870
1642	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
1643		2872
1644	$self->enter_link;	2873	$self->enter_link;
1645		2874
1646	(cf::async {	2875	(async {
		2876	$Coro::current->{desc} = "enter_exit";
		2877
1647	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
1648	prepare_random_map $exit	2885	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	2886	if $exit->slaying eq "/!";
		2887	}
1650		2888
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
1653		2892
		2893	$self->goto ($map, $x, $y);
		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
1654	1;	2899	1
1655	}) {	2900	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
1657	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2903	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2905
1661	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
1662	$self->leave_link;	2907	$self->leave_link;
1663	}	2908	}
1664	})->prio (1);	2909	})->prio (1);
1665	}	2910	}
1666		2911
…		…
1677		2922
1678	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
1680		2925
1681	utf8::encode $text;	2926	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2928	}
1684		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
		3117	=item $client->ext_msg ($type, @msg)
		3118
		3119	Sends an ext event to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_msg($$@) {
		3124	my ($self, $type, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
		3129	push @msg, msgtype => "event_$type";
		3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
		3150	}
1685		3151
1686	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
1687		3153
1688	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		3157
1692	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	3159	become reliable at some point in the future.
1694		3160
1695	=cut	3161	=cut
1696		3162
1697	sub cf::client::query {	3163	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	3172	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		3174
1709	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
1711	}	3179	}
1712		3180
1713	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
1714	on_reply => sub {	3187	on_reply => sub {
1715	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
1716		3189
1717	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
1718	# get handled first	3191	# get handled first
1719	my $queue = delete $ns->{query_queue}	3192	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	3193	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		3194
1722	(shift @$queue)->[1]->($msg);	3195	(shift @$queue)->[1]->($msg);
		3196	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		3197
1724	push @{ $ns->{query_queue} }, @$queue;	3198	push @{ $ns->{query_queue} }, @$queue;
1725		3199
1726	if (@{ $ns->{query_queue} } == @$queue) {	3200	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	3201	if (@$queue) {
…		…
1729	} else {	3203	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	3205	}
1732	}	3206	}
1733	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
1734	);	3234	);
1735		3235
1736	=item $client->coro (\&cb)	3236	=item $client->async (\&cb)
1737		3237
1738	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	3239	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	3240	or loss of connection).
1741		3241
1742	=cut	3242	=cut
1743		3243
1744	sub cf::client::coro {	3244	sub cf::client::async {
1745	my ($self, $cb) = @_;	3245	my ($self, $cb) = @_;
1746		3246
1747	my $coro = &cf::async ($cb);	3247	my $coro = &Coro::async ($cb);
1748		3248
1749	$coro->on_destroy (sub {	3249	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	3250	delete $self->{_coro}{$coro+0};
1751	});	3251	});
1752		3252
…		…
1754		3254
1755	$coro	3255	$coro
1756	}	3256	}
1757		3257
1758	cf::client->attach (	3258	cf::client->attach (
1759	on_destroy => sub {	3259	on_client_destroy => sub {
1760	my ($ns) = @_;	3260	my ($ns) = @_;
1761		3261
1762	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1763	},	3263	},
1764	);	3264	);
…		…
1779	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
1781		3281
1782	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
1783		3283
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
1785		3289
1786	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
1787		3291
1788	=pod	3292	=pod
1789		3293
1790	The following fucntions and emthods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
1791		3295
1792	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
1793	cf::object::player player	3301	cf::object::player
1794	cf::player peaceful	3302	player
1795	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
1796		3309
1797	=cut	3310	=cut
1798		3311
1799	for (	3312	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
1801	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
1803	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
1804	) {	3319	) {
1805	no strict 'refs';
1806	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
1807	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1808	for @funs;	3322	for @funs;
1809	}	3323	}
1810		3324
…		…
1825		3339
1826	my $qcode = $code;	3340	my $qcode = $code;
1827	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1828	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
1829		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
1830	local $_;	3347	local $_;
1831	local @safe::cf::_safe_eval_args = values %vars;
1832		3348
1833	my $eval =	3349	my $eval =
1834	"do {\n"	3350	"do {\n"
1835	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1836	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
1837	. $code	3353	. $code
1838	. "\n}"	3354	. "\n}"
1839	;	3355	;
1840		3356
		3357	if ($CFG{safe_eval}) {
1841	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
1842	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1843	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
1844		3366
1845	if ($@) {	3367	if ($@) {
1846	warn "$@";	3368	warn "$@",
1847	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
1848	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
1849	}	3371	}
1850		3372
1851	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
1852	}	3374	}
1853		3375
…		…
1867	=cut	3389	=cut
1868		3390
1869	sub register_script_function {	3391	sub register_script_function {
1870	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
1871		3393
1872	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
1873	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
1874	}	3396	}
1875		3397
1876	=back	3398	=back
1877		3399
1878	=cut	3400	=cut
1879		3401
1880	#############################################################################	3402	#############################################################################
		3403	# the server's init and main functions
1881		3404
1882	=head2 EXTENSION DATABASE SUPPORT	3405	sub load_facedata($) {
		3406	my ($path) = @_;
1883		3407
1884	Crossfire maintains a very simple database for extension use. It can	3408	# HACK to clear player env face cache, we need some signal framework
1885	currently store anything that can be serialised using Storable, which	3409	# for this (global event?)
1886	excludes objects.	3410	%ext::player_env::MUSIC_FACE_CACHE = ();
1887		3411
1888	The parameter C<$family> should best start with the name of the extension	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1889	using it, it should be unique.
1890		3413
1891	=over 4	3414	trace "loading facedata from $path\n";
1892		3415
1893	=item $hashref = cf::db_get $family	3416	0 < aio_load $path, my $facedata
		3417	or die "$path: $!";
1894		3418
1895	Return a hashref for use by the extension C<$family>, which can be	3419	$facedata = Coro::Storable::thaw $facedata;
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898		3420
1899	=item $value = cf::db_get $family => $key	3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		3423
1901	Returns a single value from the database	3424	# patch in the exptable
1902		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1903	=item cf::db_put $family => $hashref	3426	$facedata->{resource}{"res/exp_table"} = {
1904		3427	type => FT_RSRC,
1905	Stores the given family hashref into the database. Updates are delayed, if	3428	data => $exp_table,
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3429	hash => (Digest::MD5::md5 $exp_table),
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	3430	};
		3431	cf::cede_to_tick;
1954		3432
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
1959		3435
1960	sub db_get($;$) {	3436	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		3438
1966	sub db_put($$;$) {	3439	cf::face::set_visibility $idx, $info->{visibility};
1967	if (@_ >= 3) {	3440	cf::face::set_magicmap $idx, $info->{magicmap};
1968	$DB->{$_[0]}{$_[1]} = $_[2];	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1969	} else {	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974		3443
1975	cf::global->attach (	3444	cf::cede_to_tick;
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	3445	}
1980	);
1981	}
1982		3446
1983	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	3448	next unless $info->{smooth};
1985		3449
1986	sub cfg_load {	3450	my $idx = cf::face::find $face
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3451	or next;
1988	or return;
1989		3452
1990	local $/;	3453	if (my $smooth = cf::face::find $info->{smooth}) {
1991	*CFG = YAML::Syck::Load <$fh>;	3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
1992		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
		3575	reload_regions;
		3576	reload_treasures;
		3577
		3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
		3584	0 < aio_load "$CONFDIR/config", my $config
		3585	or die "$CONFDIR/config: $!";
		3586
		3587	utf8::decode $config;
		3588	*CFG = yaml_load $config;
		3589
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3591
		3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1994		3594
1995	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
1996	eval {	3596	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3599	};
2000	warn $@ if $@;	3600	warn $@ if $@;
2001	}	3601	}
2002	}	3602	}
2003		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2004	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2005	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	3645	(async {
2009	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
2010	})->();	3647	EV::loop EV::LOOP_ONESHOT;
		3648	})->prio (Coro::PRIO_MAX);
2011	};	3649	};
2012		3650
2013	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2014	db_load;	3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
		3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2015	load_extensions;	3674	load_extensions;
2016	Event::loop;	3675
		3676	utime time, time, $RUNTIMEFILE;
		3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2017	}	3694	}
2018		3695
2019	#############################################################################	3696	#############################################################################
2020	# initialisation	3697	# initialisation and cleanup
2021		3698
		3699	# install some emergency cleanup handlers
		3700	BEGIN {
		3701	our %SIGWATCHER = ();
		3702	for my $signal (qw(INT HUP TERM)) {
		3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3704	cf::cleanup "SIG$signal";
		3705	};
		3706	}
		3707	}
		3708
		3709	sub write_runtime_sync {
		3710	my $t0 = AE::time;
		3711
		3712	# first touch the runtime file to show we are still running:
		3713	# the fsync below can take a very very long time.
		3714
		3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3716
		3717	my $guard = cf::lock_acquire "write_runtime";
		3718
		3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3720	or return;
		3721
		3722	my $value = $cf::RUNTIME + 90 + 10;
		3723	# 10 is the runtime save interval, for a monotonic clock
		3724	# 60 allows for the watchdog to kill the server.
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	# touch it again to show we are up-to-date
		3734	aio_utime $fh, undef, undef;
		3735
		3736	close $fh
		3737	or return;
		3738
		3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3740	and return;
		3741
		3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3743
		3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
		3795	}
		3796
		3797	sub emergency_save() {
		3798	my $freeze_guard = cf::freeze_mainloop;
		3799
		3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
		3806
		3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	# use a peculiar iteration method to avoid tripping on perl
		3811	# refcount bugs in for. also avoids problems with players
		3812	# and maps saved/destroyed asynchronously.
		3813	info "emergency_perl_save: begin player save\n";
		3814	for my $login (keys %cf::PLAYER) {
		3815	my $pl = $cf::PLAYER{$login} or next;
		3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3818	$pl->save;
		3819	}
		3820	info "emergency_perl_save: end player save\n";
		3821
		3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
		3825	for my $path (keys %cf::MAP) {
		3826	my $map = $cf::MAP{$path} or next;
		3827	$map->valid or next;
		3828	$map->save;
		3829	}
		3830	info "emergency_perl_save: end map save\n";
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
		3835	BDB::db_env_txn_checkpoint $DB_ENV;
		3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860	};
		3861
		3862	info "emergency_perl_save: leave\n";
		3863	}
		3864
		3865	sub post_cleanup {
		3866	my ($make_core) = @_;
		3867
		3868	IO::AIO::flush;
		3869
		3870	error Carp::longmess "post_cleanup backtrace"
		3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
		3900	}
		3901
2022	sub reload() {	3902	sub do_reload_perl() {
2023	# can/must only be called in main	3903	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2025	warn "can only reload from main coroutine\n";	3905	error "can only reload from main coroutine";
2026	return;	3906	return;
2027	}	3907	}
2028		3908
2029	warn "reloading...";	3909	return if $RELOAD++;
2030		3910
2031	local $FREEZE = 1;	3911	my $t1 = AE::time;
		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
		3919	cf::sync_job {
2032	cf::emergency_save;	3920	#cf::emergency_save;
2033		3921
2034	eval {	3922	trace "perl_reload: cancelling all extension coros";
2035	# if anything goes wrong in here, we should simply crash as we already saved
2036
2037	# cancel all watchers
2038	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}
2041
2042	# cancel all extension coros
2043	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	3924	%EXT_CORO = ();
2045		3925
2046	# unload all extensions	3926	trace "perl_reload: removing commands";
2047	for (@exts) {	3927	%COMMAND = ();
2048	warn "unloading <$_>";
2049	unload_extension $_;
2050	}
2051		3928
2052	# unload all modules loaded from $LIBDIR	3929	trace "perl_reload: removing ext/exti commands";
2053	while (my ($k, $v) = each %INC) {	3930	%EXTCMD = ();
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3931	%EXTICMD = ();
2055		3932
2056	warn "removing <$k>";	3933	trace "perl_reload: unloading/nuking all extensions";
2057	delete $INC{$k};	3934	for my $pkg (@EXTS) {
		3935	trace "... unloading $pkg";
2058		3936
2059	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;
2061
2062	if (my $cb = $k->can ("unload_module")) {	3937	if (my $cb = $pkg->can ("unload")) {
		3938	eval {
2063	$cb->();	3939	$cb->($pkg);
		3940	1
		3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2064	}	3946	}
2065		3947
2066	Symbol::delete_package $k;	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3949	while (my ($k, $v) = each %INC) {
		3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3951
		3952	trace "... unloading $k";
		3953	delete $INC{$k};
		3954
		3955	$k =~ s/\.pm$//;
		3956	$k =~ s/\//::/g;
		3957
		3958	if (my $cb = $k->can ("unload_module")) {
		3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2067	}	3963	}
2068		3964
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3968
2077	# remove register_script_function callbacks	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2078	# TODO
2079
2080	# unload cf.pm "a bit"
2081	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
		3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2082		3972
2083	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3974	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2086		3976
2087	# reload cf.pm	3977	info "perl_reload: unload completed, starting to reload now";
2088	warn "reloading cf.pm";	3978
		3979	trace "perl_reload: reloading cf.pm";
2089	require cf;	3980	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2091		3982
2092	# load config and database again	3983	trace "perl_reload: loading config and database again";
2093	cf::cfg_load;	3984	cf::reload_config;
2094	cf::db_load;
2095		3985
2096	# load extensions	3986	trace "perl_reload: loading extensions";
2097	warn "load extensions";
2098	cf::load_extensions;	3987	cf::load_extensions;
2099		3988
2100	# reattach attachments to objects	3989	if ($REATTACH_ON_RELOAD) {
2101	warn "reattach";	3990	trace "perl_reload: reattaching attachments to objects/players";
2102	_global_reattach;	3991	_global_reattach; # objects, sockets
		3992	trace "perl_reload: reattaching attachments to maps";
		3993	reattach $_ for values %MAP;
		3994	trace "perl_reload: reattaching attachments to players";
		3995	reattach $_ for values %PLAYER;
		3996	}
		3997
		3998	cf::_post_init 1;
		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
		4002	1
		4003	} or do {
		4004	error $@;
		4005	cf::cleanup "perl_reload: error, exiting.";
		4006	};
		4007
		4008	--$RELOAD;
		4009	}
		4010
		4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
		4013	};
		4014
		4015	our $RELOAD_WATCHER; # used only during reload
		4016
		4017	sub reload_perl() {
		4018	# doing reload synchronously and two reloads happen back-to-back,
		4019	# coro crashes during coro_state_free->destroy here.
		4020
		4021	$RELOAD_WATCHER ||= cf::async {
		4022	Coro::AIO::aio_wait cache_extensions;
		4023
		4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4025	do_reload_perl;
		4026	undef $RELOAD_WATCHER;
		4027	};
2103	};	4028	};
2104
2105	if ($@) {
2106	warn $@;
2107	warn "error while reloading, exiting.";
2108	exit 1;
2109	}
2110
2111	warn "reloaded successfully";
2112	};
2113
2114	#############################################################################
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	4029	}
2156
2157	register "<global>", __PACKAGE__;
2158		4030
2159	register_command "reload" => sub {	4031	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2161		4033
2162	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
		4038	reload_perl;
		4039	};
2166	}	4040	}
2167	};	4041	};
2168		4042
2169	unshift @INC, $LIBDIR;	4043	#############################################################################
2170		4044
2171	$TICK_WATCHER = Event->timer (	4045	my $bug_warning = 0;
2172	reentrant => 0,	4046
2173	prio => 0,	4047	our @WAIT_FOR_TICK;
2174	at => $NEXT_TICK || $TICK,	4048	our @WAIT_FOR_TICK_BEGIN;
2175	data => WF_AUTOCANCEL,	4049
2176	cb => sub {	4050	sub wait_for_tick() {
2177	unless ($FREEZE) {	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub wait_for_tick_begin() {
		4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4060
		4061	my $signal = new Coro::Signal;
		4062	push @WAIT_FOR_TICK_BEGIN, $signal;
		4063	$signal->wait;
		4064	}
		4065
		4066	sub tick {
		4067	if ($Coro::current != $Coro::main) {
		4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4069	unless ++$bug_warning > 10;
		4070	return;
		4071	}
		4072
2178	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;
2180	}
2181		4074
2182	$NEXT_TICK += $TICK;	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2183		4076
2184	# if we are delayed by four ticks or more, skip them all	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2186		4079	Coro::async_pool {
2187	$TICK_WATCHER->at ($NEXT_TICK);	4080	$Coro::current->{desc} = "runtime saver";
2188	$TICK_WATCHER->start;
2189	},
2190	);
2191
2192	IO::AIO::max_poll_time $TICK * 0.2;
2193
2194	Event->io (
2195	fd => IO::AIO::poll_fileno,
2196	poll => 'r',
2197	prio => 5,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,
2204	after => 0,
2205	interval => 10,
2206	cb => sub {
2207	(Coro::unblock_sub {
2208	write_runtime	4081	write_runtime_sync
2209	or warn "ERROR: unable to write runtime file: $!";	4082	or error "ERROR: unable to write runtime file: $!";
2210	})->();	4083	};
2211	},	4084	}
2212	);	4085
		4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4087	$sig->send;
		4088	}
		4089	while (my $sig = shift @WAIT_FOR_TICK) {
		4090	$sig->send;
		4091	}
		4092
		4093	$LOAD = ($NOW - $TICK_START) / $TICK;
		4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4095
		4096	if (0) {
		4097	if ($NEXT_TICK) {
		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
		4102	}
		4103	}
		4104
		4105	{
		4106	# configure BDB
		4107
		4108	BDB::min_parallel 16;
		4109	BDB::max_poll_reqs $TICK * 0.1;
		4110	$AnyEvent::BDB::WATCHER->priority (1);
		4111
		4112	unless ($DB_ENV) {
		4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4119
		4120	cf::sync_job {
		4121	eval {
		4122	BDB::db_env_open
		4123	$DB_ENV,
		4124	$BDBDIR,
		4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4127	0666;
		4128
		4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4130	};
		4131
		4132	cf::cleanup "db_env_open(db): $@" if $@;
		4133	};
		4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
		4145	}
		4146
		4147	{
		4148	# configure IO::AIO
		4149
		4150	IO::AIO::min_parallel 8;
		4151	IO::AIO::max_poll_time $TICK * 0.1;
		4152	undef $AnyEvent::AIO::WATCHER;
		4153	}
		4154
		4155	my $_log_backtrace;
		4156
		4157	sub _log_backtrace {
		4158	my ($msg, @addr) = @_;
		4159
		4160	$msg =~ s/\n//;
		4161
		4162	# limit the # of concurrent backtraces
		4163	if ($_log_backtrace < 2) {
		4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
		4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
		4169	my @bt = fork_call {
		4170	@addr = map { sprintf "%x", $_ } @addr;
		4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4173	or die "addr2line: $!";
		4174
		4175	my @funcs;
		4176	my @res = <$fh>;
		4177	chomp for @res;
		4178	while (@res) {
		4179	my ($func, $line) = splice @res, 0, 2, ();
		4180	push @funcs, "[$func] $line";
		4181	}
		4182
		4183	@funcs
		4184	};
		4185
		4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4188	LOG llevInfo, "[ABT] $_\n" for @bt;
		4189	--$_log_backtrace;
		4190	};
		4191	} else {
		4192	LOG llevInfo, "[ABT] $msg\n";
		4193	LOG llevInfo, "[ABT] [suppressed]\n";
		4194	}
		4195	}
		4196
		4197	# load additional modules
		4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
2213		4200
2214	END { cf::emergency_save }	4201	END { cf::emergency_save }
2215		4202
2216	1	4203	1
2217		4204

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