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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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);
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 %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO; # coroutines bound to extensions	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 process
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
111	=back	253	=back
112		254
113	=cut	255	=cut
114		256
115	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	264	my $msg = join "", @_;
118	utf8::encode $msg;
119		265
120	$msg .= "\n"	266	$msg .= "\n"
121	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
122		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
123	LOG llevError, $msg;	271	LOG llevWarn, $msg;
124	};	272	};
125	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
126		287
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		295
134	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	297	# within the Safe compartment.
136	for my $pkg (qw(	298	for my $pkg (qw(
137	cf::global cf::attachable	299	cf::global cf::attachable
138	cf::object cf::object::player	300	cf::object cf::object::player
139	cf::client cf::player	301	cf::client cf::player
140	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
141	cf::map cf::party cf::region	304	cf::party cf::region
142	)) {	305	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	307	}
146		308
147	$Event::DIED = sub {	309	$EV::DIED = sub {
148	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
149	};	311	};
150		312
151	my %ext_pkg;	313	#############################################################################
152	my @exts;
153	my @hook;
154		314
155	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
156		316
157	=over 4	317	=over 4
158		318
159	=cut	319	=item dumpval $ref
160		320
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	321	=cut
162		322
		323	sub dumpval {
		324	eval {
		325	local $SIG{__DIE__};
		326	my $d;
		327	if (1) {
		328	$d = new Data::Dumper([$_[0]], ["*var"]);
		329	$d->Terse(1);
		330	$d->Indent(2);
		331	$d->Quotekeys(0);
		332	$d->Useqq(1);
		333	#$d->Bless(...);
		334	$d->Seen($_[1]) if @_ > 1;
		335	$d = $d->Dump();
		336	}
		337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		338	$d
		339	} || "[unable to dump $_[0]: '$@']";
		340	}
		341
163	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
164		343
165	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
166		345
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
175		347
176	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
177		349
178	=cut	350	=cut
179		351
180	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
182	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
183	}	369	}
184		370
185	=item cf::lock_wait $string	371	=item cf::lock_wait $string
186		372
187	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
188		374
189	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
190		376
191	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
194	returned.	380	returned.
195		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
196	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
198		387
199	=cut	388	=item $locked = cf::lock_active $string
200		389
201	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
202		395
203	sub lock_wait($) {	396	sub lock_wait($) {
204	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	398	}
212		399
213	sub lock_acquire($) {	400	sub lock_acquire($) {
214	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
215		403
216	# wait, to be sure we are not locked	404	sub lock_active($) {
217	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	406	}
226		407
227	sub freeze_mainloop {	408	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
229		410
230	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	412	}
232	$guard	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
		478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
233	}	494	}
234		495
235	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
236		497
237	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		503
243	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
244		505
245	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
246		507
247	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
250		512
251	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
254	fast or be very important.	516	fast or be very important.
…		…
256	=cut	518	=cut
257		519
258	sub sync_job(&) {	520	sub sync_job(&) {
259	my ($job) = @_;	521	my ($job) = @_;
260		522
261	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
262	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
264		528
265	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	530
267	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
268		532
269	my $busy = 1;	533	my $busy = 1;
270	my @res;	534	my @res;
271		535
272	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	538	@res = eval { $job->() };
274	warn $@ if $@;	539	error $@ if $@;
275	undef $busy;	540	undef $busy;
276	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
277		542
278	while ($busy) {	543	while ($busy) {
279	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
280	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
281		554
282	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
283	} else {	556	} else {
284	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
285		558
…		…
287	}	560	}
288	}	561	}
289		562
290	=item $coro = cf::async_ext { BLOCK }	563	=item $coro = cf::async_ext { BLOCK }
291		564
292	Like async, but this coro is automcatially being canceled when the	565	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	566	extension calling this is being unloaded.
294		567
295	=cut	568	=cut
296		569
297	sub async_ext(&) {	570	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
306		579
307	$coro	580	$coro
308	}	581	}
309		582
310	sub write_runtime {	583	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		584
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
314	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
315		589
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		591
320	aio_fsync $fh	592	sub fork_call(&@) {
321	and return;	593	my ($cb, @args) = @_;
322		594
323	close $fh	595	# we seemingly have to make a local copy of the whole thing,
324	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
325		598
326	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
327	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
328		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
329	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	783	}
331		784
332	=back	785	=back
333		786
334	=cut	787	=cut
335		788
336	#############################################################################	789	#############################################################################
337		790
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
459		792
460	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
463		796
464	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	799	Deliantra).
467		800
468	=over 4	801	=over 4
469		802
470	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
471		804
…		…
515	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
516		849
517	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
519		852
520	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
522		855
523	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
524		857
525	=over 4	858	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	919	our @CB_MAP = ();
587		920
588	my %attachment;	921	my %attachment;
589		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
590	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
592		931
593	use sort 'stable';	932	use sort 'stable';
594		933
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
629		968
630	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		973
635	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	975	my $pkg = shift @arg;
637		976
638	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
643		982
644	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		985
647	} elsif (ref $type) {	986	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
649		988
650	} else {	989	} else {
651	shift @arg;	990	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
653	}	992	}
654	}	993	}
655	}	994	}
656		995
657	sub _object_attach {	996	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
668	}	1007	}
669		1008
670	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
671	} else {	1010	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1012	}
674		1013
675	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
676	}	1015	}
677		1016
…		…
679	if (ref $_[0]) {	1018	if (ref $_[0]) {
680	_object_attach @_;	1019	_object_attach @_;
681	} else {	1020	} else {
682	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
683	}	1022	}
		1023	_recalc_want;
684	};	1024	};
685		1025
686	# all those should be optimised	1026	# all those should be optimised
687	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1032	reattach ($obj);
693	} else {	1033	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
695	}	1035	}
		1036	_recalc_want;
696	};	1037	};
697		1038
698	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
700		1041
…		…
715	";	1056	";
716	die if $@;	1057	die if $@;
717	}	1058	}
718		1059
719	our $override;	1060	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1062
722	sub override {	1063	sub override {
723	$override = 1;	1064	$override = 1;
724	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
725	}	1066	}
726		1067
727	sub do_invoke {	1068	sub do_invoke {
728	my $event = shift;	1069	my $event = shift;
729	my $callbacks = shift;	1070	my $callbacks = shift;
730		1071
731	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
732		1073
733	local $override;	1074	local $override;
734		1075
735	for (@$callbacks) {	1076	for (@$callbacks) {
736	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
737		1078
738	if ($@) {	1079	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1081	override;
742	}	1082	}
743		1083
744	return 1 if $override;	1084	return 1 if $override;
745	}	1085	}
746		1086
747	0	1087	0
748	}	1088	}
749		1089
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1091
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1093
754	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
755		1095
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1099
760	=back	1100	=back
761		1101
762	=cut	1102	=cut
763		1103
764	#############################################################################	1104	#############################################################################
765	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
766		1148
767	sub reattach {	1149	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1155
771	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
772		1157
773	@$registry = ();	1158	@$registry = ();
774		1159
…		…
779	for (@$attach) {	1164	for (@$attach) {
780	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
782	}	1167	}
783	} else {	1168	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1170	}
786	}	1171	}
787	}	1172	}
788		1173
789	cf::attachable->attach (	1174	cf::attachable->attach (
790	prio => -1000000,	1175	prio => -1000000,
791	on_instantiate => sub {	1176	on_instantiate => sub {
792	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
793		1178
794	$data = from_json $data;	1179	$data = decode_json $data;
795		1180
796	for (@$data) {	1181	for (@$data) {
797	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
798		1183
799	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1200	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
817		1202
818	sync_job {	1203	sync_job {
819	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
822		1209
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
827	close $fh;	1217	aio_close $fh;
828		1218
829	if (@$objs) {	1219	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;
834	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
835	close $fh;	1228	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
837	}	1230	}
838	} else {	1231	} else {
839	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
840	}	1233	}
841		1234
842	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1239	} else {
844	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
845	}	1241	}
846	} else {	1242	} else {
847	aio_unlink $filename;	1243	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
849	}	1245	}
850	}	1246	};
851	}	1247	}
852		1248
853	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
855		1251
…		…
867	or return;	1263	or return;
868		1264
869	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
871	or return;	1267	or return;
		1268
872	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
873	}	1271	}
874		1272
		1273	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
877	return ($data, $av);	1278	($data, $av)
878	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
879		1286
880	#############################################################################	1287	#############################################################################
881	# command handling &c	1288	# command handling &c
882		1289
883	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1304	}
898		1305
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1307
901	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
902		1313
903	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
904	called.	1315	called.
905		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
906	=cut	1328	=cut
907		1329
908	sub register_extcmd {	1330	sub register_extcmd {
909	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
910		1332
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1333	$EXTCMD{$name} = $cb;
915	}	1334	}
		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
916		1343
917	cf::player->attach (	1344	cf::player->attach (
918	on_command => sub {	1345	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
920		1347
921	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
922	or return;	1349	or return;
923		1350
…		…
928	cf::override;	1355	cf::override;
929	},	1356	},
930	on_extcmd => sub {	1357	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
932		1359
933	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1361
935	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
941	} else {	1377	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1379	}
944		1380
945	cf::override;	1381	cf::override;
946	},	1382	},
947	);	1383	);
948		1384
949	sub register {	1385	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1386	sub cache_extensions {
956	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
957		1388
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1392	}
1008	}	1393	};
1009		1394
1010	# remove extcmds	1395	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1396	}
1024		1397
1025	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1026	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1405	next unless -r $path;
1028	eval {	1406
1029	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
1030	1	1470	}
1031	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
1032	}	1481	};
1033	}	1482	}
1034		1483
1035	#############################################################################	1484	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1485
1038	*cf::mapsupport::on_clean = sub {	1486	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1487
1073	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1074		1489
1075	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1076		1491
1077	=cut	1492	=cut
1078		1493
1079	package cf::player;	1494	package cf::player;
1080		1495
		1496	use Coro::AIO;
		1497
1081	=head3 cf::player	1498	=head3 cf::player
1082		1499
1083	=over 4	1500	=over 4
1084		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
1085	=item cf::player::find $login	1516	=item cf::player::find $login
1086		1517
1087	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1088		1519
1089	=cut	1520	=cut
1090		1521
1091	sub playerdir($) {	1522	sub playerdir($) {
1092	cf::localdir	1523	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1525	}
1098		1526
1099	sub path($) {	1527	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1529
1102	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
1103	}	1531	}
1104		1532
1105	sub find_active($) {	1533	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
1110		1538
1111	sub exists($) {	1539	sub exists($) {
1112	my ($login) = @_;	1540	my ($login) = @_;
1113		1541
1114	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
1116	}	1544	}
1117		1545
1118	sub find($) {	1546	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1548	my $login = $_[0];
1121		1549
1122	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
1123		1551
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1552	$cf::PLAYER{$_[0]} || do {
		1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
		1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
		1568	$cf::PLAYER{$login} = $pl
		1569	}
1125	};	1570	}
1126	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1127		1585
1128	sub save($) {	1586	sub save($) {
1129	my ($pl) = @_;	1587	my ($pl) = @_;
1130		1588
1131	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1133	my $path = path $pl;	1591	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1592	my $guard = cf::lock_acquire "user_save:$path";
1135		1593
1136	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1137		1595
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1140		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1141	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1142	Coro::cede;	1605	cf::cede_to_tick;
1143	}	1606	}
1144		1607
1145	sub new($) {	1608	sub new($) {
1146	my ($login) = @_;	1609	my ($login) = @_;
1147		1610
…		…
1153	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1154		1617
1155	$self	1618	$self
1156	}	1619	}
1157		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
		1631	=item $pl->quit_character
		1632
		1633	Nukes the player without looking back. If logged in, the connection will
		1634	be destroyed. May block for a long time.
		1635
		1636	=cut
		1637
1158	sub quit_character {	1638	sub quit_character {
1159	my ($pl) = @_;	1639	my ($pl) = @_;
1160		1640
		1641	my $name = $pl->ob->name;
		1642
1161	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1645
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1168		1651
1169	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1654	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1656	$pl->destroy;
1174		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1175	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
		1678	}
		1679
		1680	=item cf::player::list_logins
		1681
		1682	Returns am arrayref of all valid playernames in the system, can take a
		1683	while and may block, so not sync_job-capable, ever.
		1684
		1685	=cut
		1686
		1687	sub list_logins {
		1688	my $dirs = aio_readdir $PLAYERDIR
		1689	or return [];
		1690
		1691	my @logins;
		1692
		1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
		1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1700	aio_read $fh, 0, 512, my $buf, 0 or next;
		1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
		1703
		1704	utf8::decode $login;
		1705	push @logins, $login;
1176	};	1706	}
1177	}
1178		1707
		1708	\@logins
		1709	}
		1710
		1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
		1714
		1715	Returns an arrayref of map paths that are private for this
		1716	player. May block.
		1717
		1718	=cut
		1719
		1720	sub maps($) {
		1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
		1724
		1725	my $files = aio_readdir playerdir $pl
		1726	or return;
		1727
		1728	my @paths;
		1729
		1730	for (@$files) {
		1731	utf8::decode $_;
		1732	next if /\.(?:pl|pst)$/;
		1733	next unless /^$PATH_SEP/o;
		1734
		1735	push @paths, cf::map::normalise "~$pl/$_";
		1736	}
		1737
		1738	\@paths
		1739	}
		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1180		1746
1181	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1182		1748
1183	=cut	1749	=cut
1184		1750
1185	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1186	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1187		1753
1188	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1189
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1755	}
1192		1756
1193	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1194		1799
1195	=back	1800	=back
1196
1197		1801
1198	=head3 cf::map	1802	=head3 cf::map
1199		1803
1200	=over 4	1804	=over 4
1201		1805
…		…
1204	package cf::map;	1808	package cf::map;
1205		1809
1206	use Fcntl;	1810	use Fcntl;
1207	use Coro::AIO;	1811	use Coro::AIO;
1208		1812
		1813	use overload
		1814	'""' => \&as_string,
		1815	fallback => 1;
		1816
1209	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1211		1819
1212	sub generate_random_map {	1820	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1214		1824
1215	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1826	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1834	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1835	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
		1838	)
1229	}	1839	}
1230		1840
1231	# and all this just because we cannot iterate over	1841	=item cf::map->register ($regex, $prio)
1232	# all maps in C++...
1233	sub change_all_map_light {
1234	my ($change) = @_;
1235		1842
1236	$_->change_map_light ($change)	1843	Register a handler for the map path matching the given regex at the
1237	for grep $_->outdoor, values %cf::MAP;	1844	givne priority (higher is better, built-in handlers have priority 0, the
1238	}	1845	default).
1239		1846
1240	sub try_load_header($) {	1847	=cut
		1848
		1849	sub register {
		1850	my (undef, $regex, $prio) = @_;
		1851	my $pkg = caller;
		1852
		1853	no strict;
		1854	push @{"$pkg\::ISA"}, __PACKAGE__;
		1855
		1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1857	}
		1858
		1859	# also paths starting with '/'
		1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1861
		1862	sub thawer_merge {
		1863	my ($self, $merge) = @_;
		1864
		1865	# we have to keep some variables in memory intact
		1866	local $self->{path};
		1867	local $self->{load_path};
		1868
		1869	$self->SUPER::thawer_merge ($merge);
		1870	}
		1871
		1872	sub normalise {
1241	my ($path) = @_;	1873	my ($path, $base) = @_;
		1874
		1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
		1878
		1879	# map plan:
		1880	#
		1881	# /! non-realised random map exit (special hack!)
		1882	# {... are special paths that are not being touched
		1883	# ?xxx/... are special absolute paths
		1884	# ?random/... random maps
		1885	# /... normal maps
		1886	# ~user/... per-player map of a specific user
		1887
		1888	$path =~ s/$PATH_SEP/\//go;
		1889
		1890	# treat it as relative path if it starts with
		1891	# something that looks reasonable
		1892	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1893	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1894
		1895	$base =~ s{[^/]+/?$}{};
		1896	$path = "$base/$path";
		1897	}
		1898
		1899	for ($path) {
		1900	redo if s{//}{/};
		1901	redo if s{/\.?/}{/};
		1902	redo if s{/[^/]+/\.\./}{/};
		1903	}
		1904
		1905	$path
		1906	}
		1907
		1908	sub new_from_path {
		1909	my (undef, $path, $base) = @_;
		1910
		1911	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1912
		1913	$path = normalise $path, $base;
		1914
		1915	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1916	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1917	my $self = bless cf::map::new, $pkg;
		1918	$self->{path} = $path; $self->path ($path);
		1919	$self->init; # pass $1 etc.
		1920	return $self;
		1921	}
		1922	}
		1923
		1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1925	()
		1926	}
		1927
		1928	sub init {
		1929	my ($self) = @_;
		1930
		1931	$self
		1932	}
		1933
		1934	sub as_string {
		1935	my ($self) = @_;
		1936
		1937	"$self->{path}"
		1938	}
		1939
		1940	# the displayed name, this is a one way mapping
		1941	sub visible_name {
		1942	&as_string
		1943	}
		1944
		1945	# the original (read-only) location
		1946	sub load_path {
		1947	my ($self) = @_;
		1948
		1949	"$MAPDIR/$self->{path}.map"
		1950	}
		1951
		1952	# the temporary/swap location
		1953	sub save_path {
		1954	my ($self) = @_;
		1955
		1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1957	"$TMPDIR/$path.map"
		1958	}
		1959
		1960	# the unique path, undef == no special unique path
		1961	sub uniq_path {
		1962	my ($self) = @_;
		1963
		1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1965	"$UNIQUEDIR/$path"
		1966	}
		1967
		1968	sub decay_objects {
		1969	my ($self) = @_;
		1970
		1971	return if $self->{deny_reset};
		1972
		1973	$self->do_decay_objects;
		1974	}
		1975
		1976	sub unlink_save {
		1977	my ($self) = @_;
		1978
		1979	utf8::encode (my $save = $self->save_path);
		1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1982	}
		1983
		1984	sub load_header_from($) {
		1985	my ($self, $path) = @_;
1242		1986
1243	utf8::encode $path;	1987	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1245	or return;	1989	or return;
1246		1990
1247	my $map = cf::map::new	1991	$self->_load_header ($f)
1248	or return;	1992	or return;
1249		1993
1250	# for better error messages only, will be overwritten	1994	local $MAP_LOADING{$self->{path}} = $self;
1251	$map->path ($path);	1995	$f->resolve_delayed_derefs;
1252		1996
1253	$map->load_header ($path)	1997	$self->{load_path} = $path;
		1998
		1999	1
		2000	}
		2001
		2002	sub load_header_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->load_header_from ($self->load_path)
		2006	}
		2007
		2008	sub load_header_temp {
		2009	my ($self) = @_;
		2010
		2011	$self->load_header_from ($self->save_path)
		2012	}
		2013
		2014	sub prepare_temp {
		2015	my ($self) = @_;
		2016
		2017	$self->last_access ((delete $self->{last_access})
		2018	|| $cf::RUNTIME); #d#
		2019	# safety
		2020	$self->{instantiate_time} = $cf::RUNTIME
		2021	if $self->{instantiate_time} > $cf::RUNTIME;
		2022	}
		2023
		2024	sub prepare_orig {
		2025	my ($self) = @_;
		2026
		2027	$self->{load_original} = 1;
		2028	$self->{instantiate_time} = $cf::RUNTIME;
		2029	$self->last_access ($cf::RUNTIME);
		2030	$self->instantiate;
		2031	}
		2032
		2033	sub load_header {
		2034	my ($self) = @_;
		2035
		2036	if ($self->load_header_temp) {
		2037	$self->prepare_temp;
		2038	} else {
		2039	$self->load_header_orig
1254	or return;	2040	or return;
		2041	$self->prepare_orig;
		2042	}
1255		2043
1256	$map->{load_path} = $path;	2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
1257		2046
1258	$map	2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
		2050	1
1259	}	2051	}
1260		2052
1261	sub find;	2053	sub find;
1262	sub find {	2054	sub find {
1263	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1264		2056
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		2058
1270	cf::lock_wait "map_find:$key";	2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1271
1272	$cf::MAP{$key} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1274		2061
1275	# do it the slow way	2062	$cf::MAP{$path} || do {
1276	my $map = try_load_header $path->save_path;	2063	my $map = new_from_path cf::map $path
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	2064	or return;
1294		2065
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1307		2067
1308	Coro::cede;	2068	$map->load_header
		2069	or return;
1309		2070
1310	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2072	# doing this can freeze the server in a sync job, obviously
		2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1311	$map->reset;	2076	$map->reset;
1312	undef $guard;
1313	$map = find $path	2077	return find $path;
1314	or return;
1315	}	2078	}
1316		2079
1317	$cf::MAP{$key} = $map	2080	$cf::MAP{$path} = $map
1318	}	2081	}
1319	}	2082	}
		2083
		2084	sub pre_load { }
		2085	#sub post_load { } # XS
1320		2086
1321	sub load {	2087	sub load {
1322	my ($self) = @_;	2088	my ($self) = @_;
1323		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1324	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2095	my $guard = cf::lock_acquire "map_data:$path";
1326		2096
		2097	return unless $self->valid;
1327	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1328		2099
1329	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1330		2101
1331	$self->alloc;	2102	$self->alloc;
1332	$self->load_objects ($self->{load_path}, 1)	2103
		2104	$self->pre_load;
		2105	cf::cede_to_tick;
		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1333	or return;	2110	or return;
1334		2111
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1336	if delete $self->{load_original};	2113	if delete $self->{load_original};
1337		2114
1338	if (my $uniq = $path->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	2116	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1341	$self->clear_unique_items;	2119	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1343	}	2123	}
1344	}	2124	}
1345		2125
1346	Coro::cede;	2126	$f->resolve_delayed_derefs;
1347		2127
		2128	cf::cede_to_tick;
1348	# now do the right thing for maps	2129	# now do the right thing for maps
1349	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	2132	unless $self->difficulty;
		2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1361	$self->activate;	2140	$self->activate;
1362	}	2141	}
1363		2142
1364	Coro::cede;	2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
1365		2145
1366	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
		2147	}
		2148
		2149	$self->post_load;
		2150	}
		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
		2155	sub customise_for {
		2156	my ($self, $ob) = @_;
		2157
		2158	return find "~" . $ob->name . "/" . $self->{path}
		2159	if $self->per_player;
		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
		2164	$self
		2165	}
		2166
		2167	# find and load all maps in the 3x3 area around a map
		2168	sub load_neighbours {
		2169	my ($map) = @_;
		2170
		2171	my @neigh; # diagonal neighbours
		2172
		2173	for (0 .. 3) {
		2174	my $neigh = $map->tile_path ($_)
		2175	or next;
		2176	$neigh = find $neigh, $map
		2177	or next;
		2178	$neigh->load;
		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
		2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2184	}
		2185
		2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
		2188	my $neigh = find $path, $origin
		2189	or next;
		2190	$neigh->load;
		2191	}
1367	}	2192	}
1368		2193
1369	sub find_sync {	2194	sub find_sync {
1370	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1371		2196
1372	cf::sync_job { cf::map::find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1373	}	2201	}
1374		2202
1375	sub do_load_sync {	2203	sub do_load_sync {
1376	my ($map) = @_;	2204	my ($map) = @_;
1377		2205
1378	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
		2210	}
		2211
		2212	our %MAP_PREFETCH;
		2213	our $MAP_PREFETCHER = undef;
		2214
		2215	sub find_async {
		2216	my ($path, $origin, $load) = @_;
		2217
		2218	$path = normalise $path, $origin && $origin->{path};
		2219
		2220	if (my $map = $cf::MAP{$path}) {
		2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2222	}
		2223
		2224	$MAP_PREFETCH{$path} |= $load;
		2225
		2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
		2229	while (%MAP_PREFETCH) {
		2230	while (my ($k, $v) = each %MAP_PREFETCH) {
		2231	if (my $map = find $k) {
		2232	$map->load if $v;
		2233	}
		2234
		2235	delete $MAP_PREFETCH{$k};
		2236	}
		2237	}
		2238	undef $MAP_PREFETCHER;
		2239	};
		2240	$MAP_PREFETCHER->prio (6);
		2241
		2242	()
		2243	}
		2244
		2245	# common code, used by both ->save and ->swapout
		2246	sub _save {
		2247	my ($self) = @_;
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250
		2251	return unless $self->dirty;
		2252
		2253	my $save = $self->save_path; utf8::encode $save;
		2254	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2255
		2256	$self->{load_path} = $save;
		2257
		2258	return if $self->{deny_save};
		2259
		2260	local $self->{last_access} = $self->last_access;#d#
		2261
		2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
		2264	$_->contr->save for $self->players;
		2265	};
		2266
		2267	cf::get_slot 0.02;
		2268
		2269	if ($uniq) {
		2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2272	} else {
		2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2274	}
1379	}	2275	}
1380		2276
1381	sub save {	2277	sub save {
1382	my ($self) = @_;	2278	my ($self) = @_;
1383		2279
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
1385		2281
1386	$self->{last_save} = $cf::RUNTIME;	2282	$self->_save;
1387
1388	return unless $self->dirty;
1389
1390	my $save = $self->{path}->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1392
1393	$self->{load_path} = $save;
1394
1395	return if $self->{deny_save};
1396
1397	local $self->{last_access} = $self->last_access;#d#
1398
1399	cf::async {
1400	$_->contr->save for $self->players;
1401	};
1402
1403	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}
1409	}	2283	}
1410		2284
1411	sub swap_out {	2285	sub swap_out {
1412	my ($self) = @_;	2286	my ($self) = @_;
1413		2287
1414	# save first because save cedes
1415	$self->save;
1416
1417	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1418		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1419	return if $self->players;	2292	return if $self->players;
1420	return if $self->in_memory != cf::MAP_IN_MEMORY;
1421	return if $self->{deny_save};
1422		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1423	$self->clear;	2303	$self->clear;
1424	$self->in_memory (cf::MAP_SWAPPED);
1425	}	2304	}
1426		2305
1427	sub reset_at {	2306	sub reset_at {
1428	my ($self) = @_;	2307	my ($self) = @_;
1429		2308
1430	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1433		2311
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		2314
…		…
1441	my ($self) = @_;	2319	my ($self) = @_;
1442		2320
1443	$self->reset_at <= $cf::RUNTIME	2321	$self->reset_at <= $cf::RUNTIME
1444	}	2322	}
1445		2323
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	2324	sub reset {
1468	my ($self) = @_;	2325	my ($self) = @_;
1469		2326
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2328
1472	return if $self->players;	2329	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		2330
1475	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1476		2342
1477	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1478		2344
		2345	$self->deactivate;
1479	$_->clear_links_to ($self) for values %cf::MAP;	2346	$_->clear_links_to ($self) for values %cf::MAP;
		2347	$self->clear;
1480		2348
1481	$self->unlink_save;	2349	$self->unlink_save;
1482	$self->destroy;	2350	$self->destroy;
1483	}	2351	}
1484		2352
1485	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1486		2354
1487	sub nuke {	2355	sub nuke {
1488	my ($self) = @_;	2356	my ($self) = @_;
1489		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
		2361	delete $cf::MAP{$self->path};
		2362
		2363	$self->unlink_save;
		2364
		2365	bless $self, "cf::map::wrap";
		2366	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2370
		2371	$cf::MAP{$self->path} = $self;
		2372	}
		2373
1493	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1494	}	2375	}
1495		2376
1496	sub customise_for {	2377	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2378
1499	if ($map->per_player) {	2379	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
1501	}	2385	[
1502		2386	map {
1503	$map	2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
1504	}	2393	}
1505		2394
1506	sub emergency_save {	2395	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2396
1509	warn "enter emergency perl save\n";	2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
1510		2399
1511	cf::sync_job {	2400	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2401
1516	warn "begin emergency map save\n";	2402	sub random_maps() {
1517	$_->save for values %cf::MAP;	2403	[
1518	warn "end emergency map save\n";	2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
		2411	}
		2412
		2413	=item cf::map::unique_maps
		2414
		2415	Returns an arrayref of paths of all shared maps that have
		2416	instantiated unique items. May block.
		2417
		2418	=cut
		2419
		2420	sub unique_maps() {
		2421	[
		2422	map {
		2423	utf8::decode $_;
		2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
		2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
		2429	]
		2430	}
		2431
		2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
1519	};	2459	}
1520		2460
1521	warn "leave emergency perl save\n";	2461	\@maps
		2462	}
		2463
		2464	=back
		2465
		2466	=head3 cf::object
		2467
		2468	=cut
		2469
		2470	package cf::object;
		2471
		2472	=over 4
		2473
		2474	=item $ob->inv_recursive
		2475
		2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
		2478
		2479	=cut
		2480
		2481	sub inv_recursive_;
		2482	sub inv_recursive_ {
		2483	map { $_, inv_recursive_ $_->inv } @_
		2484	}
		2485
		2486	sub inv_recursive {
		2487	inv_recursive_ inv $_[0]
		2488	}
		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
1522	}	2516	}
1523		2517
1524	package cf;	2518	package cf;
1525		2519
1526	=back	2520	=back
1527
1528		2521
1529	=head3 cf::object::player	2522	=head3 cf::object::player
1530		2523
1531	=over 4	2524	=over 4
1532		2525
…		…
1535	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1536	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1537	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1538		2531
1539	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1540		2547
1541	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1542	# with dialog boxes.	2549	# with dialog boxes.
1543	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1544	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1546		2553
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2555
1549	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1551	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1552	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1554	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1555	}	2581	}
1556		2582
1557	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1558		2584
1559	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1572		2598
1573	=item $player_object->enter_link	2599	=item $player_object->enter_link
1574		2600
1575	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1576		2602
1577	The player should be reaosnably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1578	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
		2607
		2608	Will never block.
1579		2609
1580	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1581		2611
1582	Moves the player out of the specila link map onto the given map. If the	2612	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2613	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2614	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2615	fails, to the emergency map position.
1586		2616
1587	Might block.	2617	Might block.
1588		2618
1589	=cut	2619	=cut
		2620
		2621	sub link_map {
		2622	unless ($LINK_MAP) {
		2623	$LINK_MAP = cf::map::find "{link}"
		2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2625	$LINK_MAP->load;
		2626	}
		2627
		2628	$LINK_MAP
		2629	}
1590		2630
1591	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2632	my ($self) = @_;
1593		2633
1594	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1595		2635
1596	return if $self->map == $LINK_MAP;	2636	++$self->{_link_recursion};
		2637
		2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2639
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1600		2642
1601	$self->enter_map ($LINK_MAP, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1602	}	2644	}
1603		2645
1604	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1606		2650
1607	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1608		2652
1609	unless ($map) {	2653	unless ($map) {
1610	# restore original map position	2654	# restore original map position
…		…
1621	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1622	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1623		2667
1624	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1627		2671
1628	$map->load;	2672	$map->load;
		2673	$map->load_neighbours;
1629		2674
1630	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1631	$self->activate_recursive;	2682	$self->activate_recursive;
1632	$self->enter_map ($map, $x, $y);
1633	}
1634
1635	cf::player->attach (
1636	on_logout => sub {
1637	my ($pl) = @_;
1638
1639	# abort map switching before logout
1640	if ($pl->ob->{_link_pos}) {
1641	cf::sync_job {
1642	$pl->ob->leave_link
1643	};
1644	}
1645	},	2683	}
1646	on_login => sub {
1647	my ($pl) = @_;
1648		2684
1649	# try to abort aborted map switching on player login :)	2685	}
1650	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666		2686
1667	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1668		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1669	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1670		2701
1671	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2713
1674	$self->enter_link;	2714	$self->enter_link;
1675		2715
1676	(async {	2716	(async {
1677	$path = new cf::path $path;	2717	$Coro::current->{desc} = "player::goto $path $x $y";
1678		2718
1679	my $map = cf::map::find $path->as_string;	2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1681		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1683	# if $map;
1684
1685	$map or $map->cluck ("oy");#d#
1686	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1687		2747
		2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1689	})->prio (1);	2762	})->prio (1);
1690	}	2763	}
1691		2764
1692	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1693		2766
…		…
1695		2768
1696	sub parse_random_map_params {	2769	sub parse_random_map_params {
1697	my ($spec) = @_;	2770	my ($spec) = @_;
1698		2771
1699	my $rmp = { # defaults	2772	my $rmp = { # defaults
1700	xsize => 10,	2773	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2774	ysize => (cf::rndm 15, 40),
		2775	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2776	#layout => string,
1702	};	2777	};
1703		2778
1704	for (split /\n/, $spec) {	2779	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2780	my ($k, $v) = split /\s+/, $_, 2;
1706		2781
…		…
1718	# that depends on the exit object	2793	# that depends on the exit object
1719		2794
1720	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1721		2796
1722	if ($exit->map) {	2797	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1727	}	2804	}
1728		2805
1729	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1730		2807
1731	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1732	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
		2810	my $meta = "$RANDOMDIR/$md5.meta";
1733		2811
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
		2814	undef $fh;
		2815	aio_rename "$meta~", $meta;
1736		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1737	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1739	}	2823	}
1740	}	2824	}
1741		2825
1742	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1745	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1746		2830
1747	$self->enter_link;	2831	$self->enter_link;
1748		2832
1749	(async {	2833	(async {
1750	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1751	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
1752	prepare_random_map $exit	2843	prepare_random_map $exit
1753	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1754		2846
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1757		2850
		2851	$self->goto ($map, $x, $y);
		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1758	1;	2857	1
1759	}) {	2858	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1761	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2861	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2863
1765	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1766	$self->leave_link;	2865	$self->leave_link;
1767	}	2866	}
1768	})->prio (1);	2867	})->prio (1);
1769	}	2868	}
1770		2869
…		…
1781		2880
1782	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1784		2883
1785	utf8::encode $text;	2884	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2886	}
1788		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1789		3109
1790	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1791		3111
1792	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		3115
1796	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	3117	become reliable at some point in the future.
1798		3118
1799	=cut	3119	=cut
1800		3120
1801	sub cf::client::query {	3121	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	3130	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		3132
1813	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1815	}	3137	}
1816		3138
1817	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1818	on_reply => sub {	3145	on_reply => sub {
1819	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1820		3147
1821	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1822	# get handled first	3149	# get handled first
1823	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		3152
1826	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		3155
1828	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1829		3157
1830	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	3159	if (@$queue) {
…		…
1833	} else {	3161	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	3163	}
1836	}	3164	}
1837	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
1838	);	3192	);
1839		3193
1840	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1841		3195
1842	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
1858		3212
1859	$coro	3213	$coro
1860	}	3214	}
1861		3215
1862	cf::client->attach (	3216	cf::client->attach (
1863	on_destroy => sub {	3217	on_client_destroy => sub {
1864	my ($ns) = @_;	3218	my ($ns) = @_;
1865		3219
1866	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1867	},	3221	},
1868	);	3222	);
…		…
1883	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
1885		3239
1886	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
1887		3241
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
1889		3247
1890	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
1891		3249
1892	=pod	3250	=pod
1893		3251
1894	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
1895		3253
1896	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
1897	cf::object::player player	3259	cf::object::player
1898	cf::player peaceful	3260	player
1899	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
1900		3267
1901	=cut	3268	=cut
1902		3269
1903	for (	3270	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
1905	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
1907	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
1908	) {	3277	) {
1909	no strict 'refs';	3278	no strict 'refs';
1910	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
1911	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1929		3298
1930	my $qcode = $code;	3299	my $qcode = $code;
1931	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1932	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
1933		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
1934	local $_;	3306	local $_;
1935	local @safe::cf::_safe_eval_args = values %vars;
1936		3307
1937	my $eval =	3308	my $eval =
1938	"do {\n"	3309	"do {\n"
1939	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1940	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
1941	. $code	3312	. $code
1942	. "\n}"	3313	. "\n}"
1943	;	3314	;
1944		3315
		3316	if ($CFG{safe_eval}) {
1945	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
1946	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1947	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
1948		3325
1949	if ($@) {	3326	if ($@) {
1950	warn "$@";	3327	warn "$@",
1951	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
1952	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
1953	}	3330	}
1954		3331
1955	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
1956	}	3333	}
1957		3334
…		…
1971	=cut	3348	=cut
1972		3349
1973	sub register_script_function {	3350	sub register_script_function {
1974	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
1975		3352
1976	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
1977	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
1978	}	3355	}
1979		3356
1980	=back	3357	=back
1981		3358
1982	=cut	3359	=cut
1983		3360
1984	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
1985		3363
1986	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
1987		3366
1988	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
1989	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
1990	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
1991		3370
1992	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993	using it, it should be unique.
1994		3372
1995	=over 4	3373	trace "loading facedata from $path\n";
1996		3374
1997	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
1998		3378
1999	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002		3380
2003	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2004		3383
2005	Returns a single value from the database	3384	# patch in the exptable
2006		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2007	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2008		3387	type => FT_RSRC,
2009	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}
2035
2036	my $pid;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	3390	};
		3391	cf::cede_to_tick;
2058		3392
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2063		3395
2064	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2065	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069		3398
2070	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2071	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2072	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2073	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078		3403
2079	cf::global->attach (	3404	cf::cede_to_tick;
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	3405	}
2084	);
2085	}
2086		3406
2087	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	3408	next unless $info->{smooth};
2089		3409
2090	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2091	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	3543	or return;
2093		3544
2094	local $/;	3545	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2096		3547
2097	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2098		3549
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		3552
2102	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2104	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	3557	};
2107	warn $@ if $@;	3558	warn $@ if $@;
2108	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2109	}	3590	}
2110		3591
2111	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2112	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2115	async { Event::one_event };	3605	(async {
		3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
		3608	})->prio (Coro::PRIO_MAX);
2116	};	3609	};
2117		3610
2118	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
2119	db_load;	3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
		3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2120	load_extensions;	3634	load_extensions;
2121	Event::loop;	3635
		3636	utime time, time, $RUNTIMEFILE;
		3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2122	}	3649	}
2123		3650
2124	#############################################################################	3651	#############################################################################
2125	# initialisation	3652	# initialisation and cleanup
2126		3653
		3654	# install some emergency cleanup handlers
		3655	BEGIN {
		3656	our %SIGWATCHER = ();
		3657	for my $signal (qw(INT HUP TERM)) {
		3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3659	cf::cleanup "SIG$signal";
		3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
		3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		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	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
		3750	}
		3751
		3752	sub emergency_save() {
		3753	my $freeze_guard = cf::freeze_mainloop;
		3754
		3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
		3761
		3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
		3765	# use a peculiar iteration method to avoid tripping on perl
		3766	# refcount bugs in for. also avoids problems with players
		3767	# and maps saved/destroyed asynchronously.
		3768	info "emergency_perl_save: begin player save\n";
		3769	for my $login (keys %cf::PLAYER) {
		3770	my $pl = $cf::PLAYER{$login} or next;
		3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3773	$pl->save;
		3774	}
		3775	info "emergency_perl_save: end player save\n";
		3776
		3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
		3780	for my $path (keys %cf::MAP) {
		3781	my $map = $cf::MAP{$path} or next;
		3782	$map->valid or next;
		3783	$map->save;
		3784	}
		3785	info "emergency_perl_save: end map save\n";
		3786
		3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
		3790	BDB::db_env_txn_checkpoint $DB_ENV;
		3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815	};
		3816
		3817	info "emergency_perl_save: leave\n";
		3818	}
		3819
		3820	sub post_cleanup {
		3821	my ($make_core) = @_;
		3822
		3823	IO::AIO::flush;
		3824
		3825	error Carp::longmess "post_cleanup backtrace"
		3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
		3855	}
		3856
2127	sub reload() {	3857	sub do_reload_perl() {
2128	# can/must only be called in main	3858	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
2130	warn "can only reload from main coroutine\n";	3860	error "can only reload from main coroutine";
2131	return;	3861	return;
2132	}	3862	}
2133		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
2134	warn "reloading...";	3869	info "reloading...";
2135		3870
2136	my $guard = freeze_mainloop;	3871	trace "entering sync_job";
		3872
		3873	cf::sync_job {
2137	cf::emergency_save;	3874	cf::emergency_save;
2138		3875
2139	eval {
2140	# if anything goes wrong in here, we should simply crash as we already saved
2141
2142	# cancel all watchers
2143	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}
2146
2147	# cancel all extension coros	3876	trace "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	3878	%EXT_CORO = ();
2150		3879
2151	# unload all extensions	3880	trace "removing commands";
2152	for (@exts) {	3881	%COMMAND = ();
2153	warn "unloading <$_>";
2154	unload_extension $_;
2155	}
2156		3882
2157	# unload all modules loaded from $LIBDIR	3883	trace "removing ext/exti commands";
2158	while (my ($k, $v) = each %INC) {	3884	%EXTCMD = ();
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3885	%EXTICMD = ();
2160		3886
2161	warn "removing <$k>";	3887	trace "unloading/nuking all extensions";
2162	delete $INC{$k};	3888	for my $pkg (@EXTS) {
		3889	trace "... unloading $pkg";
2163		3890
2164	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;
2166
2167	if (my $cb = $k->can ("unload_module")) {	3891	if (my $cb = $pkg->can ("unload")) {
		3892	eval {
2168	$cb->();	3893	$cb->($pkg);
		3894	1
		3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
2169	}	3900	}
2170		3901
2171	Symbol::delete_package $k;	3902	trace "unloading all perl modules loaded from $LIBDIR";
		3903	while (my ($k, $v) = each %INC) {
		3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3905
		3906	trace "... unloading $k";
		3907	delete $INC{$k};
		3908
		3909	$k =~ s/\.pm$//;
		3910	$k =~ s/\//::/g;
		3911
		3912	if (my $cb = $k->can ("unload_module")) {
		3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
2172	}	3917	}
2173		3918
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	3919	trace "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3922
2182	# remove register_script_function callbacks	3923	trace "unloading cf.pm \"a bit\"";
2183	# TODO
2184
2185	# unload cf.pm "a bit"
2186	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
		3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2187		3926
2188	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3928	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
2191		3930
2192	# reload cf.pm	3931	info "unload completed, starting to reload now";
		3932
2193	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
2194	require cf;	3934	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
2196		3936
2197	# load config and database again	3937	trace "loading config and database again";
2198	cf::cfg_load;	3938	cf::reload_config;
2199	cf::db_load;
2200		3939
2201	# load extensions
2202	warn "load extensions";	3940	trace "loading extensions";
2203	cf::load_extensions;	3941	cf::load_extensions;
2204		3942
2205	# reattach attachments to objects	3943	if ($REATTACH_ON_RELOAD) {
2206	warn "reattach";	3944	trace "reattaching attachments to objects/players";
2207	_global_reattach;	3945	_global_reattach; # objects, sockets
		3946	trace "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
		3948	trace "reattaching attachments to players";
		3949	reattach $_ for values %PLAYER;
		3950	}
		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
		3955	trace "leaving sync_job";
		3956
		3957	1
		3958	} or do {
		3959	error $@;
		3960	cf::cleanup "error while reloading, exiting.";
		3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
		3965	}
		3966
		3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
		3969	};
		3970
		3971	our $RELOAD_WATCHER; # used only during reload
		3972
		3973	sub reload_perl() {
		3974	# doing reload synchronously and two reloads happen back-to-back,
		3975	# coro crashes during coro_state_free->destroy here.
		3976
		3977	$RELOAD_WATCHER ||= cf::async {
		3978	Coro::AIO::aio_wait cache_extensions;
		3979
		3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3981	do_reload_perl;
		3982	undef $RELOAD_WATCHER;
		3983	};
2209	};	3984	};
2210
2211	if ($@) {
2212	warn $@;
2213	warn "error while reloading, exiting.";
2214	exit 1;
2215	}
2216
2217	warn "reloaded successfully";
2218	};
2219
2220	#############################################################################
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3985	}
2262
2263	register "<global>", __PACKAGE__;
2264		3986
2265	register_command "reload" => sub {	3987	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
2267		3989
2268	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
		3994	reload_perl;
		3995	};
2272	}	3996	}
2273	};	3997	};
2274		3998
2275	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
2276		4000
2277	$TICK_WATCHER = Event->timer (	4001	my $bug_warning = 0;
2278	reentrant => 0,	4002
2279	prio => 0,	4003	our @WAIT_FOR_TICK;
2280	at => $NEXT_TICK || $TICK,	4004	our @WAIT_FOR_TICK_BEGIN;
2281	data => WF_AUTOCANCEL,	4005
2282	cb => sub {	4006	sub wait_for_tick {
		4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4008
		4009	my $signal = new Coro::Signal;
		4010	push @WAIT_FOR_TICK, $signal;
		4011	$signal->wait;
		4012	}
		4013
		4014	sub wait_for_tick_begin {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK_BEGIN, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub tick {
		4023	if ($Coro::current != $Coro::main) {
		4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4025	unless ++$bug_warning > 10;
		4026	return;
		4027	}
		4028
2283	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;
2286		4030
2287	# if we are delayed by four ticks or more, skip them all	4031	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		4032
2290	$TICK_WATCHER->at ($NEXT_TICK);	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2291	$TICK_WATCHER->start;	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2292	},	4035	Coro::async_pool {
2293	);	4036	$Coro::current->{desc} = "runtime saver";
2294
2295	IO::AIO::max_poll_time $TICK * 0.2;
2296
2297	Event->io (
2298	fd => IO::AIO::poll_fileno,
2299	poll => 'r',
2300	prio => 5,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,
2307	after => 0,
2308	interval => 10,
2309	cb => sub {
2310	(Coro::unblock_sub {
2311	write_runtime	4037	write_runtime_sync
2312	or warn "ERROR: unable to write runtime file: $!";	4038	or error "ERROR: unable to write runtime file: $!";
2313	})->();	4039	};
2314	},	4040	}
2315	);	4041
		4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4043	$sig->send;
		4044	}
		4045	while (my $sig = shift @WAIT_FOR_TICK) {
		4046	$sig->send;
		4047	}
		4048
		4049	$LOAD = ($NOW - $TICK_START) / $TICK;
		4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4051
		4052	if (0) {
		4053	if ($NEXT_TICK) {
		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
		4058	}
		4059	}
		4060
		4061	{
		4062	# configure BDB
		4063
		4064	BDB::min_parallel 16;
		4065	BDB::max_poll_reqs $TICK * 0.1;
		4066	$AnyEvent::BDB::WATCHER->priority (1);
		4067
		4068	unless ($DB_ENV) {
		4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4075
		4076	cf::sync_job {
		4077	eval {
		4078	BDB::db_env_open
		4079	$DB_ENV,
		4080	$BDBDIR,
		4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4083	0666;
		4084
		4085	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4086	};
		4087
		4088	cf::cleanup "db_env_open(db): $@" if $@;
		4089	};
		4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
		4101	}
		4102
		4103	{
		4104	# configure IO::AIO
		4105
		4106	IO::AIO::min_parallel 8;
		4107	IO::AIO::max_poll_time $TICK * 0.1;
		4108	undef $AnyEvent::AIO::WATCHER;
		4109	}
		4110
		4111	my $_log_backtrace;
		4112
		4113	sub _log_backtrace {
		4114	my ($msg, @addr) = @_;
		4115
		4116	$msg =~ s/\n//;
		4117
		4118	# limit the # of concurrent backtraces
		4119	if ($_log_backtrace < 2) {
		4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
		4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
		4125	my @bt = fork_call {
		4126	@addr = map { sprintf "%x", $_ } @addr;
		4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4129	or die "addr2line: $!";
		4130
		4131	my @funcs;
		4132	my @res = <$fh>;
		4133	chomp for @res;
		4134	while (@res) {
		4135	my ($func, $line) = splice @res, 0, 2, ();
		4136	push @funcs, "[$func] $line";
		4137	}
		4138
		4139	@funcs
		4140	};
		4141
		4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4144	LOG llevInfo, "[ABT] $_\n" for @bt;
		4145	--$_log_backtrace;
		4146	};
		4147	} else {
		4148	LOG llevInfo, "[ABT] $msg\n";
		4149	LOG llevInfo, "[ABT] [suppressed]\n";
		4150	}
		4151	}
		4152
		4153	# load additional modules
		4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
2316		4156
2317	END { cf::emergency_save }	4157	END { cf::emergency_save }
2318		4158
2319	1	4159	1
2320		4160

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