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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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	}
755		1190
756	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
757	} else {	1195	} else {
758	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
759	}	1197	}
760	} else {	1198	} else {
761	aio_unlink $filename;	1199	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
763	}	1201	}
764	}	1202	};
765	}	1203	}
766		1204
767	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
769		1207
…		…
781	or return;	1219	or return;
782		1220
783	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
785	or return;	1223	or return;
		1224
786	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
787	}	1227	}
788		1228
		1229	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
791	return ($data, $av);	1233	($data, $av)
792	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
793		1241
794	#############################################################################	1242	#############################################################################
795	# command handling &c	1243	# command handling &c
796		1244
797	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1259	}
812		1260
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1262
815	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
816		1268
817	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
818	called.	1270	called.
819		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
820	=cut	1283	=cut
821		1284
822	sub register_extcmd {	1285	sub register_extcmd {
823	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
824		1287
825	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
826	}	1295	}
827		1296
828	cf::player->attach (	1297	cf::player->attach (
829	on_command => sub {	1298	on_command => sub {
830	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1308	cf::override;
840	},	1309	},
841	on_extcmd => sub {	1310	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
843		1312
844	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1314
846	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
852	} else {	1330	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1332	}
855		1333
856	cf::override;	1334	cf::override;
857	},	1335	},
858	);	1336	);
859		1337
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 {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
895	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1343	next unless -r $path;
897	eval {	1344
898	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
899	1	1401	}
900	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
901	}	1407	};
902	}	1408	}
903		1409
904	#############################################################################	1410	#############################################################################
905	# load/save/clean perl data associated with a map
906		1411
907	*cf::mapsupport::on_clean = sub {	1412	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1413
920	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
921		1415
922	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
923		1417
924	=cut	1418	=cut
925		1419
926	package cf::player;	1420	package cf::player;
927		1421
…		…
929		1423
930	=head3 cf::player	1424	=head3 cf::player
931		1425
932	=over 4	1426	=over 4
933		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
934	=item cf::player::find $login	1442	=item cf::player::find $login
935		1443
936	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
937		1445
938	=cut	1446	=cut
939		1447
940	sub playerdir($) {	1448	sub playerdir($) {
941	cf::localdir	1449	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1451	}
947		1452
948	sub path($) {	1453	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1455
951	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
952	}	1457	}
953		1458
954	sub find_active($) {	1459	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
959		1464
960	sub exists($) {	1465	sub exists($) {
961	my ($login) = @_;	1466	my ($login) = @_;
962		1467
963	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1469	or !aio_stat path $login
965	}	1470	}
966		1471
967	sub find($) {	1472	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1474	my $login = $_[0];
970		1475
971	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
972		1477
973	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
975	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
977	}	1495	}
978	}	1496	}
979	}	1497	}
980		1498
…		…
989	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
990		1508
991	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
993		1511
		1512	cf::get_slot 0.01;
		1513
994	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
995	Coro::cede;	1515	cf::cede_to_tick;
996	}	1516	}
997		1517
998	sub new($) {	1518	sub new($) {
999	my ($login) = @_;	1519	my ($login) = @_;
1000		1520
…		…
1006	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1007		1527
1008	$self	1528	$self
1009	}	1529	}
1010		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1011	=item $pl->quit_character	1541	=item $pl->quit_character
1012		1542
1013	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1015		1545
1016	=cut	1546	=cut
1017		1547
1018	sub quit_character {	1548	sub quit_character {
1019	my ($pl) = @_;	1549	my ($pl) = @_;
1020		1550
		1551	my $name = $pl->ob->name;
		1552
1021	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1555
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1028		1562
1029	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1565	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1566	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1567	$pl->destroy;
		1568
		1569	my $prefix = qr<^~\Q$name\E/>;
		1570
		1571	# nuke player maps
		1572	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1573
1034	IO::AIO::aio_rmtree $temp;	1574	IO::AIO::aio_rmtree $temp;
		1575	}
		1576
		1577	=item $pl->kick
		1578
		1579	Kicks a player out of the game. This destroys the connection.
		1580
		1581	=cut
		1582
		1583	sub kick {
		1584	my ($pl, $kicker) = @_;
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1587	$pl->killer ("kicked");
		1588	$pl->ns->destroy;
1035	}	1589	}
1036		1590
1037	=item cf::player::list_logins	1591	=item cf::player::list_logins
1038		1592
1039	Returns am arrayref of all valid playernames in the system, can take a	1593	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1041		1595
1042	=cut	1596	=cut
1043		1597
1044	sub list_logins {	1598	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1600	or return [];
1047		1601
1048	my @logins;	1602	my @logins;
1049		1603
1050	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1054		1614
1055	utf8::decode $login;	1615	utf8::decode $login;
1056	push @logins, $login;	1616	push @logins, $login;
1057	}	1617	}
1058		1618
…		…
1066		1626
1067	=cut	1627	=cut
1068		1628
1069	sub maps($) {	1629	sub maps($) {
1070	my ($pl) = @_;	1630	my ($pl) = @_;
		1631
		1632	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1633
1072	my $files = aio_readdir playerdir $pl	1634	my $files = aio_readdir playerdir $pl
1073	or return;	1635	or return;
1074		1636
1075	my @paths;	1637	my @paths;
…		…
1077	for (@$files) {	1639	for (@$files) {
1078	utf8::decode $_;	1640	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1641	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1642	next unless /^$PATH_SEP/o;
1081		1643
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1644	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1645	}
1084		1646
1085	\@paths	1647	\@paths
1086	}	1648	}
1087		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1089		1655
1090	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1091		1657
1092	=cut	1658	=cut
1093		1659
1094	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1096		1662
1097	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1664	}
1101		1665
1102	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1103		1706
1104	=back	1707	=back
1105
1106		1708
1107	=head3 cf::map	1709	=head3 cf::map
1108		1710
1109	=over 4	1711	=over 4
1110		1712
…		…
1114		1716
1115	use Fcntl;	1717	use Fcntl;
1116	use Coro::AIO;	1718	use Coro::AIO;
1117		1719
1118	use overload	1720	use overload
1119	'""' => \&as_string;	1721	'""' => \&as_string,
		1722	fallback => 1;
1120		1723
1121	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1123		1726
1124	sub generate_random_map {	1727	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1731
1127	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1733	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1745	)
1141	}	1746	}
1142		1747
		1748	=item cf::map->register ($regex, $prio)
		1749
		1750	Register a handler for the map path matching the given regex at the
		1751	givne priority (higher is better, built-in handlers have priority 0, the
		1752	default).
		1753
		1754	=cut
		1755
1143	sub register {	1756	sub register {
1144	my (undef, $regex) = @_;	1757	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1758	my $pkg = caller;
1146		1759
1147	no strict;	1760	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1761	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1762
1150	$EXT_MAP{$pkg} = qr<$regex>;	1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1764	}
1152		1765
1153	# also paths starting with '/'	1766	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1768
		1769	sub thawer_merge {
		1770	my ($self, $merge) = @_;
		1771
		1772	# we have to keep some variables in memory intact
		1773	local $self->{path};
		1774	local $self->{load_path};
		1775
		1776	$self->SUPER::thawer_merge ($merge);
		1777	}
1155		1778
1156	sub normalise {	1779	sub normalise {
1157	my ($path, $base) = @_;	1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
1158		1785
1159	# map plan:	1786	# map plan:
1160	#	1787	#
1161	# /! non-realised random map exit (special hack!)	1788	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1789	# {... are special paths that are not being touched
…		…
1190		1817
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1818	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1819
1193	$path = normalise $path, $base;	1820	$path = normalise $path, $base;
1194		1821
1195	for my $pkg (keys %EXT_MAP) {	1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1824	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1825	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1200	return $self;	1827	return $self;
1201	}	1828	}
1202	}	1829	}
1203		1830
1204	Carp::carp "unable to resolve path '$path'.";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1832	()
1206	}	1833	}
1207		1834
1208	sub init {	1835	sub init {
1209	my ($self) = @_;	1836	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1847	# the displayed name, this is a one way mapping
1221	sub visible_name {	1848	sub visible_name {
1222	&as_string	1849	&as_string
1223	}	1850	}
1224		1851
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1852	# the original (read-only) location
1233	sub load_path {	1853	sub load_path {
1234	my ($self) = @_;	1854	my ($self) = @_;
1235		1855
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1237	}	1857	}
1238		1858
1239	# the temporary/swap location	1859	# the temporary/swap location
1240	sub save_path {	1860	sub save_path {
1241	my ($self) = @_;	1861	my ($self) = @_;
1242		1862
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1864	"$TMPDIR/$path.map"
1244	}	1865	}
1245		1866
1246	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1247	sub uniq_path {	1868	sub uniq_path {
1248	my ($self) = @_;	1869	my ($self) = @_;
1249		1870
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1872	"$UNIQUEDIR/$path"
1251	}	1873	}
1252		1874
1253	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1254	# all maps in C++...	1876	# all maps in C++...
1255	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1257		1879
1258	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1260	}	1882	}
1261		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1262	sub unlink_save {	1892	sub unlink_save {
1263	my ($self) = @_;	1893	my ($self) = @_;
1264		1894
1265	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1898	}
1269		1899
1270	sub load_header_from($) {	1900	sub load_header_from($) {
1271	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1272		1902
1273	utf8::encode $path;	1903	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1275	or return;	1905	or return;
1276		1906
1277	$self->_load_header ($path)	1907	$self->_load_header ($f)
1278	or return;	1908	or return;
1279		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
		1912
1280	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1281		1914
1282	1	1915	1
1283	}	1916	}
1284		1917
1285	sub load_orig {	1918	sub load_header_orig {
1286	my ($self) = @_;	1919	my ($self) = @_;
1287		1920
1288	$self->load_header_from ($self->load_path)	1921	$self->load_header_from ($self->load_path)
1289	}	1922	}
1290		1923
1291	sub load_temp {	1924	sub load_header_temp {
1292	my ($self) = @_;	1925	my ($self) = @_;
1293		1926
1294	$self->load_header_from ($self->save_path)	1927	$self->load_header_from ($self->save_path)
		1928	}
		1929
		1930	sub prepare_temp {
		1931	my ($self) = @_;
		1932
		1933	$self->last_access ((delete $self->{last_access})
		1934	|| $cf::RUNTIME); #d#
		1935	# safety
		1936	$self->{instantiate_time} = $cf::RUNTIME
		1937	if $self->{instantiate_time} > $cf::RUNTIME;
		1938	}
		1939
		1940	sub prepare_orig {
		1941	my ($self) = @_;
		1942
		1943	$self->{load_original} = 1;
		1944	$self->{instantiate_time} = $cf::RUNTIME;
		1945	$self->last_access ($cf::RUNTIME);
		1946	$self->instantiate;
1295	}	1947	}
1296		1948
1297	sub load_header {	1949	sub load_header {
1298	my ($self) = @_;	1950	my ($self) = @_;
1299		1951
1300	if ($self->load_temp) {	1952	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1953	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1954	} else {
1307	$self->load_orig	1955	$self->load_header_orig
1308	or return;	1956	or return;
1309		1957	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1958	}
		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
1315		1965
1316	1	1966	1
1317	}	1967	}
1318		1968
1319	sub find;	1969	sub find;
1320	sub find {	1970	sub find {
1321	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1322		1972
1323	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1324		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1326		1977
1327	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1329	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1330	or return;	1983	or return;
1331		1984
1332	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1333		1986
1334	$map->load_header	1987	$map->load_header
1335	or return;	1988	or return;
1336		1989
1337	if ($map->should_reset) {	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1991	# doing this can freeze the server in a sync job, obviously
		1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1338	$map->reset;	1995	$map->reset;
1339	undef $guard;
1340	$map = find $path	1996	return find $path;
1341	or return;
1342	}	1997	}
1343		1998
1344	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1345	}	2000	}
1346	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1347		2005
1348	sub load {	2006	sub load {
1349	my ($self) = @_;	2007	my ($self) = @_;
1350		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1351	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1353		2015
		2016	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2018
1356	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1357		2020
1358	$self->alloc;	2021	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2022
		2023	$self->pre_load;
		2024	cf::cede_to_tick;
		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1360	or return;	2029	or return;
1361		2030
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1363	if delete $self->{load_original};	2032	if delete $self->{load_original};
1364		2033
1365	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2035	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2038	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1370	}	2042	}
1371	}	2043	}
1372		2044
1373	Coro::cede;	2045	$f->resolve_delayed_derefs;
1374		2046
		2047	cf::cede_to_tick;
1375	# now do the right thing for maps	2048	# now do the right thing for maps
1376	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2051	unless $self->difficulty;
1386	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1387	$self->activate;	2061	$self->activate;
1388	}	2062	}
1389		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
		2068	}
		2069
		2070	$self->post_load;
1391	}	2071	}
1392		2072
1393	sub customise_for {	2073	sub customise_for {
1394	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1395		2075
1396	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2077	if $self->per_player;
1398		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1399	$self	2082	$self
1400	}	2083	}
1401		2084
1402	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2086	sub load_neighbours {
1404	my ($map) = @_;	2087	my ($map) = @_;
1405		2088
1406	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1407		2090
1408	for (0 .. 3) {	2091	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1410	or next;	2093	or next;
1411	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1412	or next;	2095	or next;
1413	$neigh->load;	2096	$neigh->load;
1414		2097
		2098	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2101	}
1418		2102
1419	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1421	or next;	2106	or next;
1422	$neigh->load;	2107	$neigh->load;
1423	}	2108	}
1424	}	2109	}
1425		2110
…		…
1430	}	2115	}
1431		2116
1432	sub do_load_sync {	2117	sub do_load_sync {
1433	my ($map) = @_;	2118	my ($map) = @_;
1434		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1435	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1436	}	2124	}
1437		2125
1438	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2127	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2128
1452	sub find_async {	2129	sub find_async {
1453	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1454		2131
1455	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1456		2133
1457	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2136	}
		2137
		2138	$MAP_PREFETCH{$path} |= $load;
		2139
		2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
		2143	while (%MAP_PREFETCH) {
		2144	while (my ($k, $v) = each %MAP_PREFETCH) {
		2145	if (my $map = find $k) {
		2146	$map->load if $v;
		2147	}
		2148
		2149	delete $MAP_PREFETCH{$k};
		2150	}
		2151	}
		2152	undef $MAP_PREFETCHER;
1459	}	2153	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1463		2155
1464	()	2156	()
1465	}	2157	}
1466		2158
1467	sub save {	2159	sub save {
1468	my ($self) = @_;	2160	my ($self) = @_;
1469		2161
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2163
1472	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1473		2165
1474	return unless $self->dirty;	2166	return unless $self->dirty;
1475		2167
…		…
1481	return if $self->{deny_save};	2173	return if $self->{deny_save};
1482		2174
1483	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1484		2176
1485	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1487	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1488		2183
1489	if ($uniq) {	2184	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2187	} else {
…		…
1498	my ($self) = @_;	2193	my ($self) = @_;
1499		2194
1500	# save first because save cedes	2195	# save first because save cedes
1501	$self->save;	2196	$self->save;
1502		2197
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2199
1505	return if $self->players;	2200	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2202	return if $self->{deny_save};
1508		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2208	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2209	}
1512		2210
1513	sub reset_at {	2211	sub reset_at {
1514	my ($self) = @_;	2212	my ($self) = @_;
1515		2213
1516	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1519		2216
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2219
…		…
1527	my ($self) = @_;	2224	my ($self) = @_;
1528		2225
1529	$self->reset_at <= $cf::RUNTIME	2226	$self->reset_at <= $cf::RUNTIME
1530	}	2227	}
1531		2228
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2229	sub reset {
1547	my ($self) = @_;	2230	my ($self) = @_;
1548		2231
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2233
1551	return if $self->players;	2234	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2235
1554	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
		2237
		2238	$self->in_memory (cf::MAP_SWAPPED);
		2239
		2240	# need to save uniques path
		2241	unless ($self->{deny_save}) {
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2245	if $uniq;
		2246	}
1555		2247
1556	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1557		2249
		2250	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2251	$_->clear_links_to ($self) for values %cf::MAP;
		2252	$self->clear;
1559		2253
1560	$self->unlink_save;	2254	$self->unlink_save;
1561	$self->destroy;	2255	$self->destroy;
1562	}	2256	}
1563		2257
1564	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1565		2259
1566	sub nuke {	2260	sub nuke {
1567	my ($self) = @_;	2261	my ($self) = @_;
1568		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
		2266	delete $cf::MAP{$self->path};
		2267
		2268	$self->unlink_save;
		2269
		2270	bless $self, "cf::map";
		2271	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2275
		2276	$cf::MAP{$self->path} = $self;
		2277	}
		2278
1572	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1573	}	2316	}
1574		2317
1575	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1576		2319
1577	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2321	instantiated unique items. May block.
1579		2322
1580	=cut	2323	=cut
1581		2324
1582	sub unique_maps() {	2325	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1584	or return;	2327	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2328	utf8::decode $_;
1590	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2331	? ()
1593	push @paths, $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2334	]
1595
1596	\@paths
1597	}	2335	}
1598
1599	package cf;
1600		2336
1601	=back	2337	=back
1602		2338
1603	=head3 cf::object	2339	=head3 cf::object
1604		2340
…		…
1608		2344
1609	=over 4	2345	=over 4
1610		2346
1611	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1612		2348
1613	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1614		2351
1615	=cut	2352	=cut
1616		2353
1617	sub inv_recursive_;	2354	sub inv_recursive_;
1618	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1621		2358
1622	sub inv_recursive {	2359	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1624	}	2361	}
1625		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1626	package cf;	2391	package cf;
1627		2392
1628	=back	2393	=back
1629		2394
1630	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1639		2404
1640	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1641		2420
1642	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2422	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1647		2426
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2428
1650	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1652	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1655	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1656	}	2454	}
1657		2455
1658	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1659		2457
1660	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1673		2471
1674	=item $player_object->enter_link	2472	=item $player_object->enter_link
1675		2473
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2475
1678	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1680		2480
1681	Will never block.	2481	Will never block.
1682		2482
1683	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1684		2484
…		…
1692	=cut	2492	=cut
1693		2493
1694	sub link_map {	2494	sub link_map {
1695	unless ($LINK_MAP) {	2495	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2496	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2497	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2498	$LINK_MAP->load;
1699	}	2499	}
1700		2500
1701	$LINK_MAP	2501	$LINK_MAP
1702	}	2502	}
…		…
1707	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1708		2508
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2510
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1713		2513
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2515	}
1716		2516
1717	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1719		2521
1720	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1721		2523
1722	unless ($map) {	2524	unless ($map) {
1723	# restore original map position	2525	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1740		2542
1741	$map->load;	2543	$map->load;
1742	$map->load_diag;	2544	$map->load_neighbours;
1743		2545
1744	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1745	$self->activate_recursive;	2548	$self->activate_recursive;
		2549
		2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1747	}	2552	}
1748		2553
1749	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2555
1753	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1757	};	2560	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2561
1763	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2564
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1784		2568
1785	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2574
1788	$self->enter_link;	2575	$self->enter_link;
1789		2576
1790	(async {	2577	(async {
1791	my $map = cf::map::find $path;	2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
		2599	my $map = eval {
		2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
1793		2604	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2605	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
1798		2608
		2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
		2615	}
		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1800	})->prio (1);	2623	})->prio (1);
1801	}	2624	}
1802		2625
1803	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1804		2627
…		…
1806		2629
1807	sub parse_random_map_params {	2630	sub parse_random_map_params {
1808	my ($spec) = @_;	2631	my ($spec) = @_;
1809		2632
1810	my $rmp = { # defaults	2633	my $rmp = { # defaults
1811	xsize => 10,	2634	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2635	ysize => (cf::rndm 15, 40),
		2636	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2637	#layout => string,
1813	};	2638	};
1814		2639
1815	for (split /\n/, $spec) {	2640	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2641	my ($k, $v) = split /\s+/, $_, 2;
1817		2642
…		…
1829	# that depends on the exit object	2654	# that depends on the exit object
1830		2655
1831	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
1832		2657
1833	if ($exit->map) {	2658	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2659	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1838	}	2665	}
1839		2666
1840	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1841		2668
1842	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
		2671	my $meta = "$RANDOMDIR/$md5.meta";
1844		2672
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
		2675	undef $fh;
		2676	aio_rename "$meta~", $meta;
1847		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1850	}	2684	}
1851	}	2685	}
1852		2686
1853	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1857		2691
1858	$self->enter_link;	2692	$self->enter_link;
1859		2693
1860	(async {	2694	(async {
1861	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1862	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
1863	prepare_random_map $exit	2704	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2705	if $exit->slaying eq "/!";
		2706	}
1865		2707
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
1868		2711
		2712	$self->goto ($map, $x, $y);
		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1869	1;	2718	1
1870	}) {	2719	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2724
1876	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2726	$self->leave_link;
1878	}	2727	}
1879	})->prio (1);	2728	})->prio (1);
…		…
1892		2741
1893	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1895		2744
1896	utf8::encode $text;	2745	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2747	}
1899		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
1900		2934
1901	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1902		2936
1903	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2940
1907	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2942	become reliable at some point in the future.
1909		2943
1910	=cut	2944	=cut
1911		2945
1912	sub cf::client::query {	2946	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2955	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2957
1924	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
1926	}	2962	}
1927		2963
1928	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
1929	on_reply => sub {	2970	on_reply => sub {
1930	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
1931		2972
1932	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
1933	# get handled first	2974	# get handled first
1934	my $queue = delete $ns->{query_queue}	2975	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2976	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2977
1937	(shift @$queue)->[1]->($msg);	2978	(shift @$queue)->[1]->($msg);
		2979	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2980
1939	push @{ $ns->{query_queue} }, @$queue;	2981	push @{ $ns->{query_queue} }, @$queue;
1940		2982
1941	if (@{ $ns->{query_queue} } == @$queue) {	2983	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2984	if (@$queue) {
…		…
1944	} else {	2986	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2988	}
1947	}	2989	}
1948	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
1949	);	3017	);
1950		3018
1951	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
1952		3020
1953	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
1996		3064
1997	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
1998		3066
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2000		3072
2001	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2002		3074
2003	=pod	3075	=pod
2004		3076
2005	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2006		3078
2007	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2008	cf::object::player player	3083	cf::object::player
2009	cf::player peaceful	3084	player
2010	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2011		3091
2012	=cut	3092	=cut
2013		3093
2014	for (	3094	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2019	) {	3101	) {
2020	no strict 'refs';	3102	no strict 'refs';
…		…
2091	=back	3173	=back
2092		3174
2093	=cut	3175	=cut
2094		3176
2095	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2096		3179
2097	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2098		3182
2099	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2101	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3186
2103	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3188
2106	=over 4	3189	warn "loading facedata from $path\n";
2107		3190
2108	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2109		3194
2110	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3196
2114	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3199
2116	Returns a single value from the database	3200	# patch in the exptable
2117		3201	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2119		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3204	};
		3205	cf::cede_to_tick;
2169		3206
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2174		3209
2175	sub db_get($;$) {	3210	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3212
2181	sub db_put($$;$) {	3213	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3217
2190	cf::global->attach (	3218	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3219	}
2195	);
2196	}
2197		3220
2198	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3222	next unless $info->{smooth};
2200		3223
2201	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3367	or return;
2204		3368
2205	local $/;	3369	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2207		3371
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3373
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	};	3381	};
2218	warn $@ if $@;	3382	warn $@ if $@;
2219	}	3383	}
2220	}	3384	}
2221		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2222	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2223	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3424	(async {
		3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
		3427	})->prio (Coro::PRIO_MAX);
2227	};	3428	};
2228		3429
2229	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
		3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2231	load_extensions;	3448	load_extensions;
		3449
		3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2232	Event::loop;	3458	EV::loop;
2233	}	3459	}
2234		3460
2235	#############################################################################	3461	#############################################################################
2236	# initialisation and cleanup	3462	# initialisation and cleanup
2237		3463
2238	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2239	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2246	},
2247	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2248	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2249	}	3558	}
2250		3559
2251	sub emergency_save() {	3560	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2253		3562
2254	warn "enter emergency perl save\n";	3563	warn "enter emergency perl save\n";
2255		3564
2256	cf::sync_job {	3565	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3566	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3567	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3574	$pl->save;
2265	}	3575	}
2266	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2267		3577
2268	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3580	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3581	$map->valid or next;
2272	$map->save;	3582	$map->save;
2273	}	3583	}
2274	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
		3585
		3586	warn "begin emergency database checkpoint\n";
		3587	BDB::db_env_txn_checkpoint $DB_ENV;
		3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2275	};	3593	};
2276		3594
2277	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2278	}	3596	}
2279		3597
		3598	sub post_cleanup {
		3599	my ($make_core) = @_;
		3600
		3601	warn Carp::longmess "post_cleanup backtrace"
		3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2280	sub reload() {	3634	sub do_reload_perl() {
2281	# can/must only be called in main	3635	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3637	warn "can only reload from main coroutine";
2284	return;	3638	return;
2285	}	3639	}
2286		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2287	warn "reloading...";	3644	warn "reloading...";
2288		3645
2289	warn "freezing server";	3646	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2292		3652
2293	warn "sync database to disk";	3653	warn "syncing database to disk";
2294	cf::db_sync;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3655
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2299		3657
2300	warn "cancel all watchers";	3658	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3661	}
2325		3662
		3663	warn "cancelling all extension coros";
		3664	$_->cancel for values %EXT_CORO;
		3665	%EXT_CORO = ();
		3666
		3667	warn "removing commands";
		3668	%COMMAND = ();
		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3676	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3677
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2341	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2342	}	3687	}
2343		3688
2344	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2345	}	3704	}
2346		3705
2347	warn "get rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3709
2351	warn "unload cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2353		3713
2354	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3715	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2357		3717
		3718	warn "unload completed, starting to reload now";
		3719
2358	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2359	require cf;	3721	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3723
2362	warn "load config and database again";	3724	warn "loading config and database again";
2363	cf::cfg_load;	3725	cf::reload_config;
2364	cf::db_load;
2365		3726
2366	warn "load extensions";	3727	warn "loading extensions";
2367	cf::load_extensions;	3728	cf::load_extensions;
2368		3729
2369	warn "reattach attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3731	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3732	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
		3740	warn "leaving sync_job";
		3741
		3742	1
		3743	} or do {
		3744	warn $@;
		3745	cf::cleanup "error while reloading, exiting.";
		3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2373	};	3762	};
2374		3763	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3764
2384	register_command "reload" => sub {	3765	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2386		3767
2387	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
		3772	reload_perl;
		3773	};
2391	}	3774	}
2392	};	3775	};
2393		3776
2394	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2395		3778
2396	$TICK_WATCHER = Event->timer (	3779	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3780
		3781	our @WAIT_FOR_TICK;
		3782	our @WAIT_FOR_TICK_BEGIN;
		3783
		3784	sub wait_for_tick {
		3785	return if tick_inhibit || $Coro::current == $Coro::main;
		3786
		3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
		3801	if ($Coro::current != $Coro::main) {
		3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3803	unless ++$bug_warning > 10;
		3804	return;
		3805	}
		3806
2404	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3808
2408	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3811	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3812	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3813	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3815	};
2438	},	3816	}
2439	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
		3836
		3837	{
		3838	# configure BDB
		3839
		3840	BDB::min_parallel 8;
		3841	BDB::max_poll_reqs $TICK * 0.1;
		3842	$AnyEvent::BDB::WATCHER->priority (1);
		3843
		3844	unless ($DB_ENV) {
		3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3851
		3852	cf::sync_job {
		3853	eval {
		3854	BDB::db_env_open
		3855	$DB_ENV,
		3856	$BDBDIR,
		3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3859	0666;
		3860
		3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3862	};
		3863
		3864	cf::cleanup "db_env_open(db): $@" if $@;
		3865	};
		3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
		3877	}
		3878
		3879	{
		3880	# configure IO::AIO
		3881
		3882	IO::AIO::min_parallel 8;
		3883	IO::AIO::max_poll_time $TICK * 0.1;
		3884	undef $AnyEvent::AIO::WATCHER;
		3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2440		3931
2441	END { cf::emergency_save }	3932	END { cf::emergency_save }
2442		3933
2443	1	3934	1
2444		3935

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