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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	107	our $NEXT_TICK;
50	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
51		114
52	our %CFG;	115	our %CFG;
53		116
54	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
56		120
57	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		124
65	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
68	binmode STDOUT;	135	binmode STDOUT;
69	binmode STDERR;	136	binmode STDERR;
70		137
71	# read virtual server time, if available	138	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
76	}	143	}
77		144
78	mkdir cf::localdir;	145	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		147
84	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
		149
		150	sub cf::map::normalise;
85		151
86	#############################################################################	152	#############################################################################
87		153
88	=head2 GLOBAL VARIABLES	154	=head2 GLOBAL VARIABLES
89		155
…		…
96	=item $cf::RUNTIME	162	=item $cf::RUNTIME
97		163
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	165	every server tick.
100		166
101	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		170
103	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
105		175
106	=item $cf::NOW	176	=item $cf::NOW
107		177
108	The time of the last (current) server tick.	178	The time of the last (current) server tick.
109		179
110	=item $cf::TICK	180	=item $cf::TICK
111		181
112	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
113		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
114	=item %cf::CFG	194	=item %cf::CFG
115		195
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	197	from wherever your confdir points to.
118		198
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		200
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
125		210
126	=back	211	=back
127		212
128	=cut	213	=cut
129		214
130	BEGIN {	215	BEGIN {
131	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	217	my $msg = join "", @_;
133	utf8::encode $msg;
134		218
135	$msg .= "\n"	219	$msg .= "\n"
136	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
137		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
138	LOG llevError, $msg;	224	LOG llevError, $msg;
139	};	225	};
140	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
141		242
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		250
149	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	252	# within the Safe compartment.
151	for my $pkg (qw(	253	for my $pkg (qw(
152	cf::global cf::attachable	254	cf::global cf::attachable
153	cf::object cf::object::player	255	cf::object cf::object::player
154	cf::client cf::player	256	cf::client cf::player
155	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
156	cf::map cf::party cf::region	259	cf::party cf::region
157	)) {	260	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	262	}
161		263
162	$Event::DIED = sub {	264	$EV::DIED = sub {
163	warn "error in event callback: @_";	265	warn "error in event callback: @_";
164	};	266	};
		267
		268	#############################################################################
165		269
166	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
167		271
168	=over 4	272	=over 4
169		273
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	293	$d
190	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
191	}	295	}
192		296
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
196		298
197	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
198		300
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
207		302
208	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
209		304
210	=cut	305	=cut
211		306
212	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
214	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
215	}	324	}
216		325
217	=item cf::lock_wait $string	326	=item cf::lock_wait $string
218		327
219	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
223	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
226	returned.	335	returned.
227		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
228	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
230		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
231	=cut	347	=cut
232		348
233	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
234		351
235	sub lock_wait($) {	352	sub lock_wait($) {
236	my ($key) = @_;	353	my ($key) = @_;
237		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
238	# wait for lock, if any	360	# wait for lock, if any
239	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
240	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	364	Coro::schedule;
242	}	365	}
243	}	366	}
244		367
…		…
247		370
248	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
249	lock_wait $key;	372	lock_wait $key;
250		373
251	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
252		376
253	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
256	}	381	}
257	}	382	}
258		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
259	sub freeze_mainloop {	390	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
261		392
262	my $guard = Coro::guard { $TICK_WATCHER->start };	393	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	394	}
264	$guard	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
		454	}
		455	};
		456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
265	}	469	}
266		470
267	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
268		472
269	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		478
275	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
276		480
277	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
278		482
279	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
282		487
283	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
286	fast or be very important.	491	fast or be very important.
…		…
289		494
290	sub sync_job(&) {	495	sub sync_job(&) {
291	my ($job) = @_;	496	my ($job) = @_;
292		497
293	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
294	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
296		503
297	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	505
299	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
300		507
301	my $busy = 1;	508	my $busy = 1;
302	my @res;	509	my @res;
303		510
304	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	513	@res = eval { $job->() };
306	warn $@ if $@;	514	warn $@ if $@;
307	undef $busy;	515	undef $busy;
308	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
309		517
310	while ($busy) {	518	while ($busy) {
311	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
312	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
313		529
314	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
315	} else {	531	} else {
316	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
317		533
…		…
337	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
338		554
339	$coro	555	$coro
340	}	556	}
341		557
342	sub write_runtime {	558	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		559
345	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
346		564
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
348	or return;
349		566
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	568	my ($cb, @args) = @_;
352	and return;
353		569
354	aio_fsync $fh	570	# we seemingly have to make a local copy of the whole thing,
355	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
356		573
357	close $fh	574	my @res = Coro::Util::fork_eval {
358	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
359		578
360	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
361	and return;	580	}
362		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
363	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	745	}
365		746
366	=back	747	=back
367		748
368	=cut	749	=cut
369		750
370	#############################################################################	751	#############################################################################
371		752
372	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
373		754
374	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
375	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
377		758
378	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	761	Deliantra).
381		762
382	=over 4	763	=over 4
383		764
384	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
385		766
…		…
429	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
430		811
431	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
433		814
434	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
435	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
436		817
437	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
438		819
439	=over 4	820	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	880	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	881	our @CB_MAP = ();
501		882
502	my %attachment;	883	my %attachment;
503		884
		885	sub cf::attachable::thawer_merge {
		886	# simply override everything except _meta
		887	local $_[0]{_meta};
		888	%{$_[0]} = %{$_[1]};
		889	}
		890
504	sub _attach_cb($$$$) {	891	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	892	my ($registry, $event, $prio, $cb) = @_;
506		893
507	use sort 'stable';	894	use sort 'stable';
508		895
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
543		930
544	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		935
549	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	937	my $pkg = shift @arg;
551		938
552	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
582	}	969	}
583		970
584	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
585	} else {	972	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	974	}
588		975
589	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
590	}	977	}
591		978
…		…
593	if (ref $_[0]) {	980	if (ref $_[0]) {
594	_object_attach @_;	981	_object_attach @_;
595	} else {	982	} else {
596	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
597	}	984	}
		985	_recalc_want;
598	};	986	};
599		987
600	# all those should be optimised	988	# all those should be optimised
601	sub cf::attachable::detach {	989	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
606	reattach ($obj);	994	reattach ($obj);
607	} else {	995	} else {
608	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
609	}	997	}
		998	_recalc_want;
610	};	999	};
611		1000
612	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
614		1003
…		…
629	";	1018	";
630	die if $@;	1019	die if $@;
631	}	1020	}
632		1021
633	our $override;	1022	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1024
636	sub override {	1025	sub override {
637	$override = 1;	1026	$override = 1;
638	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
639	}	1028	}
640		1029
641	sub do_invoke {	1030	sub do_invoke {
642	my $event = shift;	1031	my $event = shift;
643	my $callbacks = shift;	1032	my $callbacks = shift;
644		1033
645	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
646		1035
647	local $override;	1036	local $override;
648		1037
649	for (@$callbacks) {	1038	for (@$callbacks) {
650	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
659	}	1048	}
660		1049
661	0	1050	0
662	}	1051	}
663		1052
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1054
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1056
668	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
669		1058
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1062
674	=back	1063	=back
675		1064
676	=cut	1065	=cut
677		1066
678	#############################################################################	1067	#############################################################################
679	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
680		1111
681	sub reattach {	1112	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1114	my ($obj) = @_;
		1115
		1116	# no longer needed after getting rid of delete_package?
		1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1118
685	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
686		1120
687	@$registry = ();	1121	@$registry = ();
688		1122
…		…
703	cf::attachable->attach (	1137	cf::attachable->attach (
704	prio => -1000000,	1138	prio => -1000000,
705	on_instantiate => sub {	1139	on_instantiate => sub {
706	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
707		1141
708	$data = from_json $data;	1142	$data = decode_json $data;
709		1143
710	for (@$data) {	1144	for (@$data) {
711	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
712		1146
713	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1163	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
731		1165
732	sync_job {	1166	sync_job {
733	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
736		1171
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1175	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1176	aio_close $fh;
742		1177
743	if (@$objs) {	1178	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1183	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1184	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
751	}	1186	}
752	} else {	1187	} else {
753	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
754	}	1189	}
…		…
759	}	1194	}
760	} else {	1195	} else {
761	aio_unlink $filename;	1196	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
763	}	1198	}
764	}	1199	};
765	}	1200	}
766		1201
767	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
769		1204
…		…
781	or return;	1216	or return;
782		1217
783	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
785	or return;	1220	or return;
		1221
786	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
787	}	1224	}
788		1225
		1226	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
791	return ($data, $av);	1230	($data, $av)
792	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
793		1238
794	#############################################################################	1239	#############################################################################
795	# command handling &c	1240	# command handling &c
796		1241
797	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1256	}
812		1257
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1259
815	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
816		1265
817	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
818	called.	1267	called.
819		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
820	=cut	1280	=cut
821		1281
822	sub register_extcmd {	1282	sub register_extcmd {
823	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
824		1284
825	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
826	}	1292	}
827		1293
828	cf::player->attach (	1294	cf::player->attach (
829	on_command => sub {	1295	on_command => sub {
830	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1305	cf::override;
840	},	1306	},
841	on_extcmd => sub {	1307	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
843		1309
844	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1311
846	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
852	} else {	1327	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1329	}
855		1330
856	cf::override;	1331	cf::override;
857	},	1332	},
858	);	1333	);
859		1334
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
895	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1340	next unless -r $path;
897	eval {	1341
898	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
899	1	1398	}
900	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
901	}	1404	};
902	}	1405	}
903		1406
904	#############################################################################	1407	#############################################################################
905		1408
		1409	=back
		1410
906	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
907		1412
908	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
909		1414
910	=cut	1415	=cut
911		1416
912	package cf::player;	1417	package cf::player;
913		1418
…		…
915		1420
916	=head3 cf::player	1421	=head3 cf::player
917		1422
918	=over 4	1423	=over 4
919		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
920	=item cf::player::find $login	1439	=item cf::player::find $login
921		1440
922	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
923		1442
924	=cut	1443	=cut
925		1444
926	sub playerdir($) {	1445	sub playerdir($) {
927	cf::localdir	1446	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1448	}
933		1449
934	sub path($) {	1450	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1452
937	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
938	}	1454	}
939		1455
940	sub find_active($) {	1456	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
945		1461
946	sub exists($) {	1462	sub exists($) {
947	my ($login) = @_;	1463	my ($login) = @_;
948		1464
949	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1466	or !aio_stat path $login
951	}	1467	}
952		1468
953	sub find($) {	1469	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1471	my $login = $_[0];
956		1472
957	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
958		1474
959	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1476	# rename old playerfiles to new ones
		1477	#TODO: remove when no longer required
		1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1481	aio_unlink +(playerdir $login) . "/$login.pl";
		1482
		1483	my $f = new_from_file cf::object::thawer path $login
961	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
963	}	1492	}
964	}	1493	}
965	}	1494	}
966		1495
…		…
975	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
976		1505
977	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
979		1508
		1509	cf::get_slot 0.01;
		1510
980	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
981	Coro::cede;	1512	cf::cede_to_tick;
982	}	1513	}
983		1514
984	sub new($) {	1515	sub new($) {
985	my ($login) = @_;	1516	my ($login) = @_;
986		1517
…		…
992	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
993		1524
994	$self	1525	$self
995	}	1526	}
996		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
997	=item $pl->quit_character	1538	=item $pl->quit_character
998		1539
999	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1001		1542
1002	=cut	1543	=cut
1003		1544
1004	sub quit_character {	1545	sub quit_character {
1005	my ($pl) = @_;	1546	my ($pl) = @_;
1006		1547
		1548	my $name = $pl->ob->name;
		1549
1007	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1009		1552
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1011	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1012	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1013	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1014		1559
1015	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1562	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1563	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1564	$pl->destroy;
		1565
		1566	my $prefix = qr<^~\Q$name\E/>;
		1567
		1568	# nuke player maps
		1569	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1570
1020	IO::AIO::aio_rmtree $temp;	1571	IO::AIO::aio_rmtree $temp;
		1572	}
		1573
		1574	=item $pl->kick
		1575
		1576	Kicks a player out of the game. This destroys the connection.
		1577
		1578	=cut
		1579
		1580	sub kick {
		1581	my ($pl, $kicker) = @_;
		1582
		1583	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1584	$pl->killer ("kicked");
		1585	$pl->ns->destroy;
1021	}	1586	}
1022		1587
1023	=item cf::player::list_logins	1588	=item cf::player::list_logins
1024		1589
1025	Returns am arrayref of all valid playernames in the system, can take a	1590	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1027		1592
1028	=cut	1593	=cut
1029		1594
1030	sub list_logins {	1595	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1597	or return [];
1033		1598
1034	my @logins;	1599	my @logins;
1035		1600
1036	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1040		1611
1041	utf8::decode $login;	1612	utf8::decode $login;
1042	push @logins, $login;	1613	push @logins, $login;
1043	}	1614	}
1044		1615
…		…
1052		1623
1053	=cut	1624	=cut
1054		1625
1055	sub maps($) {	1626	sub maps($) {
1056	my ($pl) = @_;	1627	my ($pl) = @_;
		1628
		1629	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1630
1058	my $files = aio_readdir playerdir $pl	1631	my $files = aio_readdir playerdir $pl
1059	or return;	1632	or return;
1060		1633
1061	my @paths;	1634	my @paths;
…		…
1063	for (@$files) {	1636	for (@$files) {
1064	utf8::decode $_;	1637	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1638	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1639	next unless /^$PATH_SEP/o;
1067		1640
1068	s/\.map$//;	1641	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1642	}
1071		1643
1072	\@paths	1644	\@paths
1073	}	1645	}
1074		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1076		1652
1077	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1078		1654
1079	=cut	1655	=cut
1080		1656
1081	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1083		1659
1084	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1661	}
1088		1662
1089	package cf;	1663	=item $player->ext_msg ($type, @msg)
		1664
		1665	Sends an ext event to the client.
		1666
		1667	=cut
		1668
		1669	sub ext_msg($$@) {
		1670	my ($self, $type, @msg) = @_;
		1671
		1672	$self->ns->ext_msg ($type, @msg);
		1673	}
		1674
		1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1090		1703
1091	=back	1704	=back
1092
1093		1705
1094	=head3 cf::map	1706	=head3 cf::map
1095		1707
1096	=over 4	1708	=over 4
1097		1709
…		…
1101		1713
1102	use Fcntl;	1714	use Fcntl;
1103	use Coro::AIO;	1715	use Coro::AIO;
1104		1716
1105	use overload	1717	use overload
1106	'""' => \&as_string;	1718	'""' => \&as_string,
		1719	fallback => 1;
1107		1720
1108	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1110		1723
1111	sub generate_random_map {	1724	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1113		1728
1114	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1730	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1742	)
1128	}	1743	}
1129		1744
		1745	=item cf::map->register ($regex, $prio)
		1746
		1747	Register a handler for the map path matching the given regex at the
		1748	givne priority (higher is better, built-in handlers have priority 0, the
		1749	default).
		1750
		1751	=cut
		1752
1130	sub register {	1753	sub register {
1131	my (undef, $regex) = @_;	1754	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1755	my $pkg = caller;
1133		1756
1134	no strict;	1757	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1758	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1759
1137	$EXT_MAP{$pkg} = qr<$regex>;	1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1761	}
1139		1762
1140	# also paths starting with '/'	1763	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1765
		1766	sub thawer_merge {
		1767	my ($self, $merge) = @_;
		1768
		1769	# we have to keep some variables in memory intact
		1770	local $self->{path};
		1771	local $self->{load_path};
		1772
		1773	$self->SUPER::thawer_merge ($merge);
		1774	}
1142		1775
1143	sub normalise {	1776	sub normalise {
1144	my ($path, $base) = @_;	1777	my ($path, $base) = @_;
		1778
		1779	$path = "$path"; # make sure its a string
		1780
		1781	$path =~ s/\.map$//;
1145		1782
1146	# map plan:	1783	# map plan:
1147	#	1784	#
1148	# /! non-realised random map exit (special hack!)	1785	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1786	# {... are special paths that are not being touched
…		…
1177		1814
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1815	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1816
1180	$path = normalise $path, $base;	1817	$path = normalise $path, $base;
1181		1818
1182	for my $pkg (keys %EXT_MAP) {	1819	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1820	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1821	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1822	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1187	return $self;	1824	return $self;
1188	}	1825	}
1189	}	1826	}
1190		1827
1191	Carp::carp "unable to resolve path '$path'.";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1829	()
1193	}	1830	}
1194		1831
1195	sub init {	1832	sub init {
1196	my ($self) = @_;	1833	my ($self) = @_;
…		…
1211		1848
1212	# the original (read-only) location	1849	# the original (read-only) location
1213	sub load_path {	1850	sub load_path {
1214	my ($self) = @_;	1851	my ($self) = @_;
1215		1852
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1217	}	1854	}
1218		1855
1219	# the temporary/swap location	1856	# the temporary/swap location
1220	sub save_path {	1857	sub save_path {
1221	my ($self) = @_;	1858	my ($self) = @_;
1222		1859
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1225	}	1862	}
1226		1863
1227	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1228	sub uniq_path {	1865	sub uniq_path {
1229	my ($self) = @_;	1866	my ($self) = @_;
1230		1867
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1233	}	1870	}
1234		1871
1235	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1236	# all maps in C++...	1873	# all maps in C++...
1237	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1239		1876
1240	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1242	}	1879	}
1243		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1244	sub unlink_save {	1889	sub unlink_save {
1245	my ($self) = @_;	1890	my ($self) = @_;
1246		1891
1247	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1895	}
1251		1896
1252	sub load_header_from($) {	1897	sub load_header_from($) {
1253	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1254		1899
1255	utf8::encode $path;	1900	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1257	or return;	1902	or return;
1258		1903
1259	$self->_load_header ($path)	1904	$self->_load_header ($f)
1260	or return;	1905	or return;
1261		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
		1909
1262	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1263		1911
1264	1	1912	1
1265	}	1913	}
1266		1914
1267	sub load_orig {	1915	sub load_header_orig {
1268	my ($self) = @_;	1916	my ($self) = @_;
1269		1917
1270	$self->load_header_from ($self->load_path)	1918	$self->load_header_from ($self->load_path)
1271	}	1919	}
1272		1920
1273	sub load_temp {	1921	sub load_header_temp {
1274	my ($self) = @_;	1922	my ($self) = @_;
1275		1923
1276	$self->load_header_from ($self->save_path)	1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
1277	}	1944	}
1278		1945
1279	sub load_header {	1946	sub load_header {
1280	my ($self) = @_;	1947	my ($self) = @_;
1281		1948
1282	if ($self->load_temp) {	1949	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1950	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1951	} else {
1289	$self->load_orig	1952	$self->load_header_orig
1290	or return;	1953	or return;
1291		1954	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1955	}
		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
1297		1962
1298	1	1963	1
1299	}	1964	}
1300		1965
1301	sub find;	1966	sub find;
1302	sub find {	1967	sub find {
1303	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1304		1969
1305	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1306		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1308		1974
1309	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1310	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1311	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1312	or return;	1980	or return;
1313		1981
1314	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1315		1983
1316	$map->load_header	1984	$map->load_header
1317	or return;	1985	or return;
1318		1986
1319	if ($map->should_reset) {	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1988	# doing this can freeze the server in a sync job, obviously
		1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1320	$map->reset;	1992	$map->reset;
1321	undef $guard;
1322	$map = find $path	1993	return find $path;
1323	or return;
1324	}	1994	}
1325		1995
1326	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1327	}	1997	}
1328	}	1998	}
		1999
		2000	sub pre_load { }
		2001	sub post_load { }
1329		2002
1330	sub load {	2003	sub load {
1331	my ($self) = @_;	2004	my ($self) = @_;
1332		2005
		2006	local $self->{deny_reset} = 1; # loading can take a long time
		2007
1333	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1335		2012
		2013	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2015
1338	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1339		2017
1340	$self->alloc;	2018	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	2019
		2020	$self->pre_load;
		2021	cf::cede_to_tick;
		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1342	or return;	2026	or return;
1343		2027
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1345	if delete $self->{load_original};	2029	if delete $self->{load_original};
1346		2030
1347	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2032	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2035	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1352	}	2039	}
1353	}	2040	}
1354		2041
1355	Coro::cede;	2042	$f->resolve_delayed_derefs;
1356		2043
		2044	cf::cede_to_tick;
1357	# now do the right thing for maps	2045	# now do the right thing for maps
1358	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2048	unless $self->difficulty;
1368	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1369	$self->activate;	2058	$self->activate;
1370	}	2059	}
1371		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
		2065	}
		2066
		2067	$self->post_load;
1373	}	2068	}
1374		2069
1375	sub customise_for {	2070	sub customise_for {
1376	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1377		2072
1378	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2074	if $self->per_player;
1380		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1381	$self	2079	$self
1382	}	2080	}
1383		2081
1384	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2083	sub load_neighbours {
1386	my ($map) = @_;	2084	my ($map) = @_;
1387		2085
1388	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1389		2087
1390	for (0 .. 3) {	2088	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1392	or next;	2090	or next;
1393	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1394	or next;	2092	or next;
1395	$neigh->load;	2093	$neigh->load;
1396		2094
		2095	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2098	}
1400		2099
1401	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1403	or next;	2103	or next;
1404	$neigh->load;	2104	$neigh->load;
1405	}	2105	}
1406	}	2106	}
1407		2107
…		…
1412	}	2112	}
1413		2113
1414	sub do_load_sync {	2114	sub do_load_sync {
1415	my ($map) = @_;	2115	my ($map) = @_;
1416		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1417	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1418	}	2121	}
1419		2122
1420	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2124	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2125
1434	sub find_async {	2126	sub find_async {
1435	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1436		2128
1437	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1438		2130
1439	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2133	}
		2134
		2135	$MAP_PREFETCH{$path} |= $load;
		2136
		2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
		2140	while (%MAP_PREFETCH) {
		2141	while (my ($k, $v) = each %MAP_PREFETCH) {
		2142	if (my $map = find $k) {
		2143	$map->load if $v;
		2144	}
		2145
		2146	delete $MAP_PREFETCH{$k};
		2147	}
		2148	}
		2149	undef $MAP_PREFETCHER;
1441	}	2150	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2151	$MAP_PREFETCHER->prio (6);
1445		2152
1446	()	2153	()
1447	}	2154	}
1448		2155
1449	sub save {	2156	sub save {
1450	my ($self) = @_;	2157	my ($self) = @_;
1451		2158
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2160
1454	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1455		2162
1456	return unless $self->dirty;	2163	return unless $self->dirty;
1457		2164
…		…
1463	return if $self->{deny_save};	2170	return if $self->{deny_save};
1464		2171
1465	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1466		2173
1467	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1469	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1470		2180
1471	if ($uniq) {	2181	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1474	} else {	2184	} else {
…		…
1480	my ($self) = @_;	2190	my ($self) = @_;
1481		2191
1482	# save first because save cedes	2192	# save first because save cedes
1483	$self->save;	2193	$self->save;
1484		2194
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2196
1487	return if $self->players;	2197	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1489	return if $self->{deny_save};	2199	return if $self->{deny_save};
1490		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2205	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2206	}
1494		2207
1495	sub reset_at {	2208	sub reset_at {
1496	my ($self) = @_;	2209	my ($self) = @_;
1497		2210
1498	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1501		2213
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2216
…		…
1509	my ($self) = @_;	2221	my ($self) = @_;
1510		2222
1511	$self->reset_at <= $cf::RUNTIME	2223	$self->reset_at <= $cf::RUNTIME
1512	}	2224	}
1513		2225
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2226	sub reset {
1529	my ($self) = @_;	2227	my ($self) = @_;
1530		2228
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2230
1533	return if $self->players;	2231	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2232
1536	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
		2234
		2235	$self->in_memory (cf::MAP_SWAPPED);
		2236
		2237	# need to save uniques path
		2238	unless ($self->{deny_save}) {
		2239	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2240
		2241	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2242	if $uniq;
		2243	}
1537		2244
1538	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1539		2246
1540	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2249	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2250
1545	$self->unlink_save;	2251	$self->unlink_save;
1546	$self->destroy;	2252	$self->destroy;
1547	}	2253	}
1548		2254
1549	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1550		2256
1551	sub nuke {	2257	sub nuke {
1552	my ($self) = @_;	2258	my ($self) = @_;
1553		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
		2263	delete $cf::MAP{$self->path};
		2264
		2265	$self->unlink_save;
		2266
		2267	bless $self, "cf::map";
		2268	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2272
		2273	$cf::MAP{$self->path} = $self;
		2274	}
		2275
1557	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1558	}	2313	}
1559		2314
1560	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1561		2316
1562	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2318	instantiated unique items. May block.
1564		2319
1565	=cut	2320	=cut
1566		2321
1567	sub unique_maps() {	2322	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1569	or return;	2324	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2325	utf8::decode $_;
1575	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1576	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1577		2328	? ()
1578	s/\.map$//;	2329	: normalise $_
1579	push @paths, $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2331	]
1581
1582	\@paths
1583	}	2332	}
1584
1585	package cf;
1586		2333
1587	=back	2334	=back
1588		2335
1589	=head3 cf::object	2336	=head3 cf::object
1590		2337
…		…
1594		2341
1595	=over 4	2342	=over 4
1596		2343
1597	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1598		2345
1599	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1600		2348
1601	=cut	2349	=cut
1602		2350
1603	sub inv_recursive_;	2351	sub inv_recursive_;
1604	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1607		2355
1608	sub inv_recursive {	2356	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1610	}	2358	}
1611		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1612	package cf;	2388	package cf;
1613		2389
1614	=back	2390	=back
1615		2391
1616	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1625		2401
1626	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1627		2417
1628	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2419	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1633		2423
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2425
1636	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1638	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1641	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1642	}	2451	}
1643		2452
1644	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1645		2454
1646	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1659		2468
1660	=item $player_object->enter_link	2469	=item $player_object->enter_link
1661		2470
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2472
1664	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1666		2477
1667	Will never block.	2478	Will never block.
1668		2479
1669	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1670		2481
…		…
1678	=cut	2489	=cut
1679		2490
1680	sub link_map {	2491	sub link_map {
1681	unless ($LINK_MAP) {	2492	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2493	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2494	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2495	$LINK_MAP->load;
1685	}	2496	}
1686		2497
1687	$LINK_MAP	2498	$LINK_MAP
1688	}	2499	}
…		…
1693	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1694		2505
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2507
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1699		2510
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2512	}
1702		2513
1703	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1705		2518
1706	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1707		2520
1708	unless ($map) {	2521	unless ($map) {
1709	# restore original map position	2522	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1726		2539
1727	$map->load;	2540	$map->load;
1728	$map->load_diag;	2541	$map->load_neighbours;
1729		2542
1730	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1731	$self->activate_recursive;	2545	$self->activate_recursive;
		2546
		2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1733	}	2549	}
1734		2550
1735	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2552
1739	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1743	};	2557	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2558
1749	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1750	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766		2561
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1770		2565
1771	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2571
1774	$self->enter_link;	2572	$self->enter_link;
1775		2573
1776	(async {	2574	(async {
1777	my $map = cf::map::find $path;	2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
		2596	my $map = eval {
		2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
1779		2601	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2602	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
1784		2605
		2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
		2612	}
		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1786	})->prio (1);	2620	})->prio (1);
1787	}	2621	}
1788		2622
1789	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1790		2624
…		…
1792		2626
1793	sub parse_random_map_params {	2627	sub parse_random_map_params {
1794	my ($spec) = @_;	2628	my ($spec) = @_;
1795		2629
1796	my $rmp = { # defaults	2630	my $rmp = { # defaults
1797	xsize => 10,	2631	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2632	ysize => (cf::rndm 15, 40),
		2633	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2634	#layout => string,
1799	};	2635	};
1800		2636
1801	for (split /\n/, $spec) {	2637	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2638	my ($k, $v) = split /\s+/, $_, 2;
1803		2639
…		…
1815	# that depends on the exit object	2651	# that depends on the exit object
1816		2652
1817	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
1818		2654
1819	if ($exit->map) {	2655	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2656	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1824	}	2662	}
1825		2663
1826	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1827		2665
1828	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1829	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
		2668	my $meta = "$RANDOMDIR/$md5.meta";
1830		2669
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
		2672	undef $fh;
		2673	aio_rename "$meta~", $meta;
1833		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1834	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1836	}	2681	}
1837	}	2682	}
1838		2683
1839	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
…		…
1842	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1843		2688
1844	$self->enter_link;	2689	$self->enter_link;
1845		2690
1846	(async {	2691	(async {
1847	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1848	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
1849	prepare_random_map $exit	2701	prepare_random_map $exit
1850	if $exit->slaying eq "/!";	2702	if $exit->slaying eq "/!";
		2703	}
1851		2704
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
1854		2708
		2709	$self->goto ($map, $x, $y);
		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1855	1;	2715	1
1856	}) {	2716	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1858	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2721
1862	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2723	$self->leave_link;
1864	}	2724	}
1865	})->prio (1);	2725	})->prio (1);
…		…
1878		2738
1879	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1881		2741
1882	utf8::encode $text;	2742	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2744	}
1885		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1886		2931
1887	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1888		2933
1889	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2937
1893	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2939	become reliable at some point in the future.
1895		2940
1896	=cut	2941	=cut
1897		2942
1898	sub cf::client::query {	2943	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2952	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2954
1910	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1912	}	2959	}
1913		2960
1914	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1915	on_reply => sub {	2967	on_reply => sub {
1916	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
1917		2969
1918	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
1919	# get handled first	2971	# get handled first
1920	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2974
1923	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2977
1925	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
1926		2979
1927	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2981	if (@$queue) {
…		…
1930	} else {	2983	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2985	}
1933	}	2986	}
1934	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
1935	);	3014	);
1936		3015
1937	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
1938		3017
1939	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
1982		3061
1983	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
1984		3063
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
1986		3069
1987	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
1988		3071
1989	=pod	3072	=pod
1990		3073
1991	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
1992		3075
1993	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
1994	cf::object::player player	3080	cf::object::player
1995	cf::player peaceful	3081	player
1996	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
1997		3088
1998	=cut	3089	=cut
1999		3090
2000	for (	3091	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2002	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2005	) {	3098	) {
2006	no strict 'refs';	3099	no strict 'refs';
…		…
2077	=back	3170	=back
2078		3171
2079	=cut	3172	=cut
2080		3173
2081	#############################################################################	3174	#############################################################################
		3175	# the server's init and main functions
2082		3176
2083	=head2 EXTENSION DATABASE SUPPORT	3177	sub load_facedata($) {
		3178	my ($path) = @_;
2084		3179
2085	Crossfire maintains a very simple database for extension use. It can	3180	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3181	# for this (global event?)
2087	excludes objects.	3182	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3183
2089	The parameter C<$family> should best start with the name of the extension	3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3185
2092	=over 4	3186	warn "loading facedata from $path\n";
2093		3187
2094	=item $hashref = cf::db_get $family	3188	my $facedata;
		3189	0 < aio_load $path, $facedata
		3190	or die "$path: $!";
2095		3191
2096	Return a hashref for use by the extension C<$family>, which can be	3192	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3193
2100	=item $value = cf::db_get $family => $key	3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3196
2102	Returns a single value from the database	3197	# patch in the exptable
2103		3198	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3199	type => FT_RSRC,
2105		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3201	};
		3202	cf::cede_to_tick;
2155		3203
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3204	{
		3205	my $faces = $facedata->{faceinfo};
2160		3206
2161	sub db_get($;$) {	3207	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3209
2167	sub db_put($$;$) {	3210	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3214
2176	cf::global->attach (	3215	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3216	}
2181	);
2182	}
2183		3217
2184	#############################################################################	3218	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3219	next unless $info->{smooth};
2186		3220
2187	sub cfg_load {	3221	my $idx = cf::face::find $face
		3222	or next;
		3223
		3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
		3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3227	} else {
		3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3229	}
		3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
		3235	{
		3236	my $anims = $facedata->{animinfo};
		3237
		3238	while (my ($anim, $info) = each %$anims) {
		3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
		3242
		3243	cf::anim::invalidate_all; # d'oh
		3244	}
		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
		3281	1
		3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
		3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_facedata;
		3355	reload_archetypes;
		3356	reload_regions;
		3357	reload_treasures;
		3358
		3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3364	or return;
2190		3365
2191	local $/;	3366	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2193		3368
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3370
2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2203	};	3378	};
2204	warn $@ if $@;	3379	warn $@ if $@;
2205	}	3380	}
2206	}	3381	}
2207		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2208	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2209	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2212	async { Event::one_event };	3421	(async {
		3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
		3424	})->prio (Coro::PRIO_MAX);
2213	};	3425	};
2214		3426
2215	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
2216	db_load;	3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
		3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2217	load_extensions;	3445	load_extensions;
		3446
		3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2218	Event::loop;	3455	EV::loop;
2219	}	3456	}
2220		3457
2221	#############################################################################	3458	#############################################################################
2222	# initialisation and cleanup	3459	# initialisation and cleanup
2223		3460
2224	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2225	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2232	},
2233	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2234	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid value!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2235	}	3555	}
2236		3556
2237	sub emergency_save() {	3557	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2239		3559
…		…
2245	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3571	$pl->save;
2251	}	3572	}
2252	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2253		3574
2254	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3577	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3578	$map->valid or next;
2258	$map->save;	3579	$map->save;
2259	}	3580	}
2260	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
		3582
		3583	warn "begin emergency database checkpoint\n";
		3584	BDB::db_env_txn_checkpoint $DB_ENV;
		3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2261	};	3590	};
2262		3591
2263	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2264	}	3593	}
2265		3594
		3595	sub post_cleanup {
		3596	my ($make_core) = @_;
		3597
		3598	warn Carp::longmess "post_cleanup backtrace"
		3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2266	sub reload() {	3631	sub do_reload_perl() {
2267	# can/must only be called in main	3632	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3634	warn "can only reload from main coroutine";
2270	return;	3635	return;
2271	}	3636	}
2272		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2273	warn "reloading...";	3641	warn "reloading...";
2274		3642
2275	warn "freezing server";	3643	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3644
		3645	cf::sync_job {
		3646	cf::write_runtime_sync; # external watchdog should not bark
2277	cf::emergency_save;	3647	cf::emergency_save;
		3648	cf::write_runtime_sync; # external watchdog should not bark
2278		3649
2279	warn "sync database to disk";	3650	warn "syncing database to disk";
2280	cf::db_sync;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3652
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2285		3654
2286	warn "cancel all watchers";	3655	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2289	}
2290
2291	warn "cancel all extension coros";
2292	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();
2294
2295	warn "remove commands";
2296	%COMMAND = ();
2297
2298	warn "remove ext commands";
2299	%EXTCMD = ();
2300
2301	warn "unload/nuke all extensions";
2302	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";
2304
2305	if (my $cb = $pkg->can ("unload")) {
2306	eval {
2307	$cb->($pkg);
2308	1
2309	} or warn "$pkg unloaded, but with errors: $@";
2310	}	3658	}
2311		3659
		3660	warn "cancelling all extension coros";
		3661	$_->cancel for values %EXT_CORO;
		3662	%EXT_CORO = ();
		3663
		3664	warn "removing commands";
		3665	%COMMAND = ();
		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2312	warn "... nuking $pkg";	3673	warn "... unloading $pkg";
2313	Symbol::delete_package $pkg;
2314	}
2315		3674
2316	warn "unload all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319
2320	warn "removing <$k>";
2321	delete $INC{$k};
2322
2323	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;
2325
2326	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2327	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2328	}	3684	}
2329		3685
2330	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2331	}	3701	}
2332		3702
2333	warn "get rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3706
2337	warn "unload cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2339		3710
2340	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3712	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2343		3714
		3715	warn "unload completed, starting to reload now";
		3716
2344	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2345	require cf;	3718	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3720
2348	warn "load config and database again";	3721	warn "loading config and database again";
2349	cf::cfg_load;	3722	cf::reload_config;
2350	cf::db_load;
2351		3723
2352	warn "load extensions";	3724	warn "loading extensions";
2353	cf::load_extensions;	3725	cf::load_extensions;
2354		3726
2355	warn "reattach attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3728	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3729	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
		3731	warn "reattaching attachments to players";
		3732	reattach $_ for values %PLAYER;
		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
		3737	warn "leaving sync_job";
		3738
		3739	1
		3740	} or do {
		3741	warn $@;
		3742	cf::cleanup "error while reloading, exiting.";
		3743	};
		3744
		3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
		3748	};
		3749
		3750	our $RELOAD_WATCHER; # used only during reload
		3751
		3752	sub reload_perl() {
		3753	# doing reload synchronously and two reloads happen back-to-back,
		3754	# coro crashes during coro_state_free->destroy here.
		3755
		3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3757	do_reload_perl;
		3758	undef $RELOAD_WATCHER;
2359	};	3759	};
2360		3760	}
2361	if ($@) {
2362	warn $@;
2363	warn "error while reloading, exiting.";
2364	exit 1;
2365	}
2366
2367	warn "reloaded";
2368	};
2369		3761
2370	register_command "reload" => sub {	3762	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2372		3764
2373	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
		3769	reload_perl;
		3770	};
2377	}	3771	}
2378	};	3772	};
2379		3773
2380	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2381		3775
2382	$TICK_WATCHER = Event->timer (	3776	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		3777
		3778	our @WAIT_FOR_TICK;
		3779	our @WAIT_FOR_TICK_BEGIN;
		3780
		3781	sub wait_for_tick {
		3782	return if tick_inhibit || $Coro::current == $Coro::main;
		3783
		3784	my $signal = new Coro::Signal;
		3785	push @WAIT_FOR_TICK, $signal;
		3786	$signal->wait;
		3787	}
		3788
		3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
		3792	my $signal = new Coro::Signal;
		3793	push @WAIT_FOR_TICK_BEGIN, $signal;
		3794	$signal->wait;
		3795	}
		3796
		3797	sub tick {
		3798	if ($Coro::current != $Coro::main) {
		3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3800	unless ++$bug_warning > 10;
		3801	return;
		3802	}
		3803
2390	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2391	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;
2393		3805
2394	$WAIT_FOR_TICK->broadcast;	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3808	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3809	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3810	write_runtime_sync
2422	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3812	};
2424	},	3813	}
2425	);	3814
		3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3816	$sig->send;
		3817	}
		3818	while (my $sig = shift @WAIT_FOR_TICK) {
		3819	$sig->send;
		3820	}
		3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
		3831	}
		3832	}
		3833
		3834	{
		3835	# configure BDB
		3836
		3837	BDB::min_parallel 8;
		3838	BDB::max_poll_reqs $TICK * 0.1;
		3839	$AnyEvent::BDB::WATCHER->priority (1);
		3840
		3841	unless ($DB_ENV) {
		3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3848
		3849	cf::sync_job {
		3850	eval {
		3851	BDB::db_env_open
		3852	$DB_ENV,
		3853	$BDBDIR,
		3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3856	0666;
		3857
		3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3859	};
		3860
		3861	cf::cleanup "db_env_open(db): $@" if $@;
		3862	};
		3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
		3874	}
		3875
		3876	{
		3877	# configure IO::AIO
		3878
		3879	IO::AIO::min_parallel 8;
		3880	IO::AIO::max_poll_time $TICK * 0.1;
		3881	undef $AnyEvent::AIO::WATCHER;
		3882	}
		3883
		3884	my $_log_backtrace;
		3885
		3886	sub _log_backtrace {
		3887	my ($msg, @addr) = @_;
		3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
		3923	}
		3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2426		3928
2427	END { cf::emergency_save }	3929	END { cf::emergency_save }
2428		3930
2429	1	3931	1
2430		3932

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