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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 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 qw(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
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	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		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
53		118
54	our %CFG;	119	our %CFG;
55		120
56	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
58		124
59	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		128
67	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
70	binmode STDOUT;	141	binmode STDOUT;
71	binmode STDERR;	142	binmode STDERR;
72		143
73	# read virtual server time, if available	144	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
78	}	149	}
79		150
80	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	152
82	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		155
86	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
		157
		158	sub cf::map::normalise;
87		159
88	#############################################################################	160	#############################################################################
89		161
90	=head2 GLOBAL VARIABLES	162	=head2 GLOBAL VARIABLES
91		163
…		…
98	=item $cf::RUNTIME	170	=item $cf::RUNTIME
99		171
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	173	every server tick.
102		174
103	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		178
105	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
107		183
108	=item $cf::NOW	184	=item $cf::NOW
109		185
110	The time of the last (current) server tick.	186	The time of the last (current) server tick.
111		187
112	=item $cf::TICK	188	=item $cf::TICK
113		189
114	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
115		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
116	=item %cf::CFG	202	=item %cf::CFG
117		203
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	205	from wherever your confdir points to.
120		206
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		208
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	210	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
127		218
128	=back	219	=back
129		220
130	=cut	221	=cut
131		222
132	BEGIN {	223	BEGIN {
133	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	225	my $msg = join "", @_;
135	utf8::encode $msg;
136		226
137	$msg .= "\n"	227	$msg .= "\n"
138	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
139		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
140	LOG llevError, $msg;	232	LOG llevError, $msg;
141	};	233	};
142	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
143		250
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		258
151	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	260	# within the Safe compartment.
153	for my $pkg (qw(	261	for my $pkg (qw(
154	cf::global cf::attachable	262	cf::global cf::attachable
155	cf::object cf::object::player	263	cf::object cf::object::player
156	cf::client cf::player	264	cf::client cf::player
157	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
158	cf::map cf::party cf::region	267	cf::party cf::region
159	)) {	268	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	270	}
163		271
164	$Event::DIED = sub {	272	$EV::DIED = sub {
165	warn "error in event callback: @_";	273	warn "error in event callback: @_";
166	};	274	};
		275
		276	#############################################################################
167		277
168	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
169		279
170	=over 4	280	=over 4
171		281
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	301	$d
192	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
193	}	303	}
194		304
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
198		306
199	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
200		308
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
209		310
210	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
211		312
212	=cut	313	=cut
213		314
214	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
216	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
217	}	332	}
218		333
219	=item cf::lock_wait $string	334	=item cf::lock_wait $string
220		335
221	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
222		337
223	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
224		339
225	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
228	returned.	343	returned.
229		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
230	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
232		350
233	=cut	351	=item $locked = cf::lock_active $string
234		352
235	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
236		358
237	sub lock_wait($) {	359	sub lock_wait($) {
238	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	361	}
246		362
247	sub lock_acquire($) {	363	sub lock_acquire($) {
248	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
249		366
250	# wait, to be sure we are not locked	367	sub lock_active($) {
251	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	369	}
260		370
261	sub freeze_mainloop {	371	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
263		373
264	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	375	}
266	$WRITE_RUNTIME_WATCHER->start;	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
267	};	435	}
268	$WRITE_RUNTIME_WATCHER->stop;	436	};
269	$TICK_WATCHER->stop;	437
270	$guard	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
271	}	450	}
272		451
273	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
274		453
275	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		459
281	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
282		461
283	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
284		463
285	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
288		468
289	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
292	fast or be very important.	472	fast or be very important.
…		…
295		475
296	sub sync_job(&) {	476	sub sync_job(&) {
297	my ($job) = @_;	477	my ($job) = @_;
298		478
299	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
300	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
302		484
303	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	486
305	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
306		488
307	my $busy = 1;	489	my $busy = 1;
308	my @res;	490	my @res;
309		491
310	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	494	@res = eval { $job->() };
312	warn $@ if $@;	495	warn $@ if $@;
313	undef $busy;	496	undef $busy;
314	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
315		498
316	while ($busy) {	499	while ($busy) {
317	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
318	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
319		510
320	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
321	} else {	512	} else {
322	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
323		514
…		…
343	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
344		535
345	$coro	536	$coro
346	}	537	}
347		538
348	sub write_runtime {	539	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		540
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
352	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
353		545
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	546	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		547
358	aio_fsync $fh	548	sub fork_call(&@) {
359	and return;	549	my ($cb, @args) = @_;
360		550
361	close $fh	551	# we seemingly have to make a local copy of the whole thing,
362	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
363		554
364	aio_rename "$runtime~", $runtime	555	my @res = Coro::Util::fork_eval {
365	and return;	556	reset_signals;
		557	&$cb
		558	}, @args;
366		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
367	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	726	}
369		727
370	=back	728	=back
371		729
372	=cut	730	=cut
373		731
374	#############################################################################	732	#############################################################################
375		733
376	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
377		735
378	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
381		739
382	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	742	Deliantra).
385		743
386	=over 4	744	=over 4
387		745
388	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
389		747
…		…
433	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
434		792
435	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
437		795
438	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
440		798
441	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
442		800
443	=over 4	801	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	861	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	862	our @CB_MAP = ();
505		863
506	my %attachment;	864	my %attachment;
507		865
		866	sub cf::attachable::thawer_merge {
		867	# simply override everything except _meta
		868	local $_[0]{_meta};
		869	%{$_[0]} = %{$_[1]};
		870	}
		871
508	sub _attach_cb($$$$) {	872	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	873	my ($registry, $event, $prio, $cb) = @_;
510		874
511	use sort 'stable';	875	use sort 'stable';
512		876
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
547		911
548	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		916
553	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	918	my $pkg = shift @arg;
555		919
556	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
586	}	950	}
587		951
588	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
589	} else {	953	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	955	}
592		956
593	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
594	}	958	}
595		959
…		…
597	if (ref $_[0]) {	961	if (ref $_[0]) {
598	_object_attach @_;	962	_object_attach @_;
599	} else {	963	} else {
600	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
601	}	965	}
		966	_recalc_want;
602	};	967	};
603		968
604	# all those should be optimised	969	# all those should be optimised
605	sub cf::attachable::detach {	970	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
610	reattach ($obj);	975	reattach ($obj);
611	} else {	976	} else {
612	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
613	}	978	}
		979	_recalc_want;
614	};	980	};
615		981
616	sub cf::attachable::attached {	982	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
618		984
…		…
633	";	999	";
634	die if $@;	1000	die if $@;
635	}	1001	}
636		1002
637	our $override;	1003	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1005
640	sub override {	1006	sub override {
641	$override = 1;	1007	$override = 1;
642	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
643	}	1009	}
644		1010
645	sub do_invoke {	1011	sub do_invoke {
646	my $event = shift;	1012	my $event = shift;
647	my $callbacks = shift;	1013	my $callbacks = shift;
648		1014
649	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
650		1016
651	local $override;	1017	local $override;
652		1018
653	for (@$callbacks) {	1019	for (@$callbacks) {
654	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
663	}	1029	}
664		1030
665	0	1031	0
666	}	1032	}
667		1033
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1035
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1037
672	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
673		1039
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1043
678	=back	1044	=back
679		1045
680	=cut	1046	=cut
681		1047
682	#############################################################################	1048	#############################################################################
683	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
684		1092
685	sub reattach {	1093	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1095	my ($obj) = @_;
		1096
		1097	# no longer needed after getting rid of delete_package?
		1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1099
689	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
690		1101
691	@$registry = ();	1102	@$registry = ();
692		1103
…		…
707	cf::attachable->attach (	1118	cf::attachable->attach (
708	prio => -1000000,	1119	prio => -1000000,
709	on_instantiate => sub {	1120	on_instantiate => sub {
710	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
711		1122
712	$data = from_json $data;	1123	$data = decode_json $data;
713		1124
714	for (@$data) {	1125	for (@$data) {
715	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
716		1127
717	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1144	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
735		1146
736	sync_job {	1147	sync_job {
737	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
740		1152
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
744	aio_fsync $fh;	1158	aio_fsync $fh;
		1159	}
745	close $fh;	1160	aio_close $fh;
746		1161
747	if (@$objs) {	1162	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
		1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1169	aio_fsync $fh;
		1170	}
753	close $fh;	1171	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
755	}	1173	}
756	} else {	1174	} else {
757	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
758	}	1176	}
759		1177
760	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1182	} else {
762	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
763	}	1184	}
764	} else {	1185	} else {
765	aio_unlink $filename;	1186	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
767	}	1188	}
768	}	1189	};
769	}	1190	}
770		1191
771	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
773		1194
…		…
785	or return;	1206	or return;
786		1207
787	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
789	or return;	1210	or return;
		1211
790	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
791	}	1214	}
792		1215
		1216	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
795	return ($data, $av);	1220	($data, $av)
796	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
797		1228
798	#############################################################################	1229	#############################################################################
799	# command handling &c	1230	# command handling &c
800		1231
801	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1246	}
816		1247
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1249
819	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
820		1255
821	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
822	called.	1257	called.
823		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
824	=cut	1270	=cut
825		1271
826	sub register_extcmd {	1272	sub register_extcmd {
827	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
828		1274
829	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
830	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
831		1285
832	cf::player->attach (	1286	cf::player->attach (
833	on_command => sub {	1287	on_command => sub {
834	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
835		1289
…		…
843	cf::override;	1297	cf::override;
844	},	1298	},
845	on_extcmd => sub {	1299	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
847		1301
848	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1303
850	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
856	} else {	1319	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1321	}
859		1322
860	cf::override;	1323	cf::override;
861	},	1324	},
862	);	1325	);
863		1326
		1327	# "readahead" all extensions
864	sub load_extension {	1328	sub cache_extensions {
865	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
866		1330
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1334	}
892	die $@;
893	}	1335	};
894		1336
895	push @EXTS, $pkg;	1337	$grp
896	}	1338	}
897		1339
898	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
899	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1345	next unless -r $path;
901	eval {	1346
902	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
903	1	1403	}
904	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
905	}	1409	};
906	}	1410	}
907		1411
908	#############################################################################	1412	#############################################################################
909		1413
		1414	=back
		1415
910	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
911		1417
912	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
913		1419
914	=cut	1420	=cut
915		1421
916	package cf::player;	1422	package cf::player;
917		1423
…		…
919		1425
920	=head3 cf::player	1426	=head3 cf::player
921		1427
922	=over 4	1428	=over 4
923		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
924	=item cf::player::find $login	1444	=item cf::player::find $login
925		1445
926	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
927		1447
928	=cut	1448	=cut
929		1449
930	sub playerdir($) {	1450	sub playerdir($) {
931	cf::localdir	1451	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1453	}
937		1454
938	sub path($) {	1455	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1457
941	(playerdir $login) . "/$login.pl"	1458	(playerdir $login) . "/playerdata"
942	}	1459	}
943		1460
944	sub find_active($) {	1461	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1462	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1463	and $cf::PLAYER{$_[0]}->active
…		…
949		1466
950	sub exists($) {	1467	sub exists($) {
951	my ($login) = @_;	1468	my ($login) = @_;
952		1469
953	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1471	or !aio_stat path $login
955	}	1472	}
956		1473
957	sub find($) {	1474	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1476	my $login = $_[0];
960		1477
961	my $guard = cf::lock_acquire "user_find:$login";	1478	my $guard = cf::lock_acquire "user_find:$login";
962		1479
963	$cf::PLAYER{$_[0]} || do {	1480	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1481	# rename old playerfiles to new ones
		1482	#TODO: remove when no longer required
		1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1486	aio_unlink +(playerdir $login) . "/$login.pl";
		1487
		1488	my $f = new_from_file cf::object::thawer path $login
965	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
967	}	1497	}
968	}	1498	}
969	}	1499	}
970		1500
…		…
979	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
980		1510
981	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
983		1513
		1514	cf::get_slot 0.01;
		1515
984	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
985	Coro::cede;	1517	cf::cede_to_tick;
986	}	1518	}
987		1519
988	sub new($) {	1520	sub new($) {
989	my ($login) = @_;	1521	my ($login) = @_;
990		1522
…		…
996	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
997		1529
998	$self	1530	$self
999	}	1531	}
1000		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1001	=item $pl->quit_character	1543	=item $pl->quit_character
1002		1544
1003	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1005		1547
1006	=cut	1548	=cut
1007		1549
1008	sub quit_character {	1550	sub quit_character {
1009	my ($pl) = @_;	1551	my ($pl) = @_;
1010		1552
		1553	my $name = $pl->ob->name;
		1554
1011	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1557
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1018		1564
1019	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1567	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1568	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1569	$pl->destroy;
		1570
		1571	my $prefix = qr<^~\Q$name\E/>;
		1572
		1573	# nuke player maps
		1574	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1575
1024	IO::AIO::aio_rmtree $temp;	1576	IO::AIO::aio_rmtree $temp;
		1577	}
		1578
		1579	=item $pl->kick
		1580
		1581	Kicks a player out of the game. This destroys the connection.
		1582
		1583	=cut
		1584
		1585	sub kick {
		1586	my ($pl, $kicker) = @_;
		1587
		1588	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1589	$pl->killer ("kicked");
		1590	$pl->ns->destroy;
1025	}	1591	}
1026		1592
1027	=item cf::player::list_logins	1593	=item cf::player::list_logins
1028		1594
1029	Returns am arrayref of all valid playernames in the system, can take a	1595	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1031		1597
1032	=cut	1598	=cut
1033		1599
1034	sub list_logins {	1600	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1602	or return [];
1037		1603
1038	my @logins;	1604	my @logins;
1039		1605
1040	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1044		1616
1045	utf8::decode $login;	1617	utf8::decode $login;
1046	push @logins, $login;	1618	push @logins, $login;
1047	}	1619	}
1048		1620
…		…
1056		1628
1057	=cut	1629	=cut
1058		1630
1059	sub maps($) {	1631	sub maps($) {
1060	my ($pl) = @_;	1632	my ($pl) = @_;
		1633
		1634	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1635
1062	my $files = aio_readdir playerdir $pl	1636	my $files = aio_readdir playerdir $pl
1063	or return;	1637	or return;
1064		1638
1065	my @paths;	1639	my @paths;
…		…
1067	for (@$files) {	1641	for (@$files) {
1068	utf8::decode $_;	1642	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1643	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1644	next unless /^$PATH_SEP/o;
1071		1645
1072	s/\.map$//;	1646	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1647	}
1075		1648
1076	\@paths	1649	\@paths
1077	}	1650	}
1078		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1080		1657
1081	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1082		1659
1083	=cut	1660	=cut
1084		1661
1085	sub ext_reply($$$%) {	1662	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1087		1664
1088	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1666	}
1092		1667
1093	package cf;	1668	=item $player->ext_msg ($type, @msg)
		1669
		1670	Sends an ext event to the client.
		1671
		1672	=cut
		1673
		1674	sub ext_msg($$@) {
		1675	my ($self, $type, @msg) = @_;
		1676
		1677	$self->ns->ext_msg ($type, @msg);
		1678	}
		1679
		1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1094		1708
1095	=back	1709	=back
1096
1097		1710
1098	=head3 cf::map	1711	=head3 cf::map
1099		1712
1100	=over 4	1713	=over 4
1101		1714
…		…
1105		1718
1106	use Fcntl;	1719	use Fcntl;
1107	use Coro::AIO;	1720	use Coro::AIO;
1108		1721
1109	use overload	1722	use overload
1110	'""' => \&as_string;	1723	'""' => \&as_string,
		1724	fallback => 1;
1111		1725
1112	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1114		1728
1115	sub generate_random_map {	1729	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1733
1118	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1735	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1745	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1746	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1747	)
1132	}	1748	}
1133		1749
		1750	=item cf::map->register ($regex, $prio)
		1751
		1752	Register a handler for the map path matching the given regex at the
		1753	givne priority (higher is better, built-in handlers have priority 0, the
		1754	default).
		1755
		1756	=cut
		1757
1134	sub register {	1758	sub register {
1135	my (undef, $regex) = @_;	1759	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1760	my $pkg = caller;
1137		1761
1138	no strict;	1762	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1763	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1764
1141	$EXT_MAP{$pkg} = qr<$regex>;	1765	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1766	}
1143		1767
1144	# also paths starting with '/'	1768	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1769	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1770
		1771	sub thawer_merge {
		1772	my ($self, $merge) = @_;
		1773
		1774	# we have to keep some variables in memory intact
		1775	local $self->{path};
		1776	local $self->{load_path};
		1777
		1778	$self->SUPER::thawer_merge ($merge);
		1779	}
1146		1780
1147	sub normalise {	1781	sub normalise {
1148	my ($path, $base) = @_;	1782	my ($path, $base) = @_;
		1783
		1784	$path = "$path"; # make sure its a string
		1785
		1786	$path =~ s/\.map$//;
1149		1787
1150	# map plan:	1788	# map plan:
1151	#	1789	#
1152	# /! non-realised random map exit (special hack!)	1790	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1791	# {... are special paths that are not being touched
…		…
1181		1819
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1820	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1821
1184	$path = normalise $path, $base;	1822	$path = normalise $path, $base;
1185		1823
1186	for my $pkg (keys %EXT_MAP) {	1824	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1825	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1826	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1827	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1191	return $self;	1829	return $self;
1192	}	1830	}
1193	}	1831	}
1194		1832
1195	Carp::carp "unable to resolve path '$path'.";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1834	()
1197	}	1835	}
1198		1836
1199	sub init {	1837	sub init {
1200	my ($self) = @_;	1838	my ($self) = @_;
…		…
1215		1853
1216	# the original (read-only) location	1854	# the original (read-only) location
1217	sub load_path {	1855	sub load_path {
1218	my ($self) = @_;	1856	my ($self) = @_;
1219		1857
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1221	}	1859	}
1222		1860
1223	# the temporary/swap location	1861	# the temporary/swap location
1224	sub save_path {	1862	sub save_path {
1225	my ($self) = @_;	1863	my ($self) = @_;
1226		1864
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1229	}	1867	}
1230		1868
1231	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1232	sub uniq_path {	1870	sub uniq_path {
1233	my ($self) = @_;	1871	my ($self) = @_;
1234		1872
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1237	}	1875	}
1238		1876
1239	# and all this just because we cannot iterate over	1877	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1878	my ($self) = @_;
1243		1879
1244	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1246	}	1883	}
1247		1884
1248	sub unlink_save {	1885	sub unlink_save {
1249	my ($self) = @_;	1886	my ($self) = @_;
1250		1887
1251	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1891	}
1255		1892
1256	sub load_header_from($) {	1893	sub load_header_from($) {
1257	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1258		1895
1259	utf8::encode $path;	1896	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1261	or return;	1898	or return;
1262		1899
1263	$self->_load_header ($path)	1900	$self->_load_header ($f)
1264	or return;	1901	or return;
1265		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
		1905
1266	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1267		1907
1268	1	1908	1
1269	}	1909	}
1270		1910
1271	sub load_orig {	1911	sub load_header_orig {
1272	my ($self) = @_;	1912	my ($self) = @_;
1273		1913
1274	$self->load_header_from ($self->load_path)	1914	$self->load_header_from ($self->load_path)
1275	}	1915	}
1276		1916
1277	sub load_temp {	1917	sub load_header_temp {
1278	my ($self) = @_;	1918	my ($self) = @_;
1279		1919
1280	$self->load_header_from ($self->save_path)	1920	$self->load_header_from ($self->save_path)
		1921	}
		1922
		1923	sub prepare_temp {
		1924	my ($self) = @_;
		1925
		1926	$self->last_access ((delete $self->{last_access})
		1927	|| $cf::RUNTIME); #d#
		1928	# safety
		1929	$self->{instantiate_time} = $cf::RUNTIME
		1930	if $self->{instantiate_time} > $cf::RUNTIME;
		1931	}
		1932
		1933	sub prepare_orig {
		1934	my ($self) = @_;
		1935
		1936	$self->{load_original} = 1;
		1937	$self->{instantiate_time} = $cf::RUNTIME;
		1938	$self->last_access ($cf::RUNTIME);
		1939	$self->instantiate;
1281	}	1940	}
1282		1941
1283	sub load_header {	1942	sub load_header {
1284	my ($self) = @_;	1943	my ($self) = @_;
1285		1944
1286	if ($self->load_temp) {	1945	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1946	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1947	} else {
1293	$self->load_orig	1948	$self->load_header_orig
1294	or return;	1949	or return;
1295		1950	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1951	}
		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
1301		1958
1302	1	1959	1
1303	}	1960	}
1304		1961
1305	sub find;	1962	sub find;
1306	sub find {	1963	sub find {
1307	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1308		1965
1309	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1310		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1312		1970
1313	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1316	or return;	1973	or return;
1317		1974
1318	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1319		1976
1320	$map->load_header	1977	$map->load_header
1321	or return;	1978	or return;
1322		1979
1323	if ($map->should_reset) {	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1981	# doing this can freeze the server in a sync job, obviously
		1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1324	$map->reset;	1985	$map->reset;
1325	undef $guard;
1326	$map = find $path	1986	return find $path;
1327	or return;
1328	}	1987	}
1329		1988
1330	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1331	}	1990	}
1332	}	1991	}
		1992
		1993	sub pre_load { }
		1994	sub post_load { }
1333		1995
1334	sub load {	1996	sub load {
1335	my ($self) = @_;	1997	my ($self) = @_;
1336		1998
		1999	local $self->{deny_reset} = 1; # loading can take a long time
		2000
1337	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1339		2005
		2006	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2008
1342	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1343		2010
1344	$self->alloc;	2011	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2012
		2013	$self->pre_load;
		2014	cf::cede_to_tick;
		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1346	or return;	2019	or return;
1347		2020
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1349	if delete $self->{load_original};	2022	if delete $self->{load_original};
1350		2023
1351	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2025	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2028	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1356	}	2032	}
1357	}	2033	}
1358		2034
1359	Coro::cede;	2035	$f->resolve_delayed_derefs;
1360		2036
		2037	cf::cede_to_tick;
1361	# now do the right thing for maps	2038	# now do the right thing for maps
1362	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2041	unless $self->difficulty;
1372	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1373	$self->activate;	2049	$self->activate;
1374	}	2050	}
1375		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
		2056	}
		2057
		2058	$self->post_load;
1377	}	2059	}
1378		2060
1379	sub customise_for {	2061	sub customise_for {
1380	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1381		2063
1382	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2065	if $self->per_player;
1384		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1385	$self	2070	$self
1386	}	2071	}
1387		2072
1388	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2074	sub load_neighbours {
1390	my ($map) = @_;	2075	my ($map) = @_;
1391		2076
1392	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1393		2078
1394	for (0 .. 3) {	2079	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1396	or next;	2081	or next;
1397	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1398	or next;	2083	or next;
1399	$neigh->load;	2084	$neigh->load;
1400		2085
		2086	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2089	}
1404		2090
1405	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1407	or next;	2094	or next;
1408	$neigh->load;	2095	$neigh->load;
1409	}	2096	}
1410	}	2097	}
1411		2098
…		…
1416	}	2103	}
1417		2104
1418	sub do_load_sync {	2105	sub do_load_sync {
1419	my ($map) = @_;	2106	my ($map) = @_;
1420		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1421	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1422	}	2112	}
1423		2113
1424	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2115	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2116
1438	sub find_async {	2117	sub find_async {
1439	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1440		2119
1441	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1442		2121
1443	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2124	}
		2125
		2126	$MAP_PREFETCH{$path} |= $load;
		2127
		2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
		2131	while (%MAP_PREFETCH) {
		2132	while (my ($k, $v) = each %MAP_PREFETCH) {
		2133	if (my $map = find $k) {
		2134	$map->load if $v;
		2135	}
		2136
		2137	delete $MAP_PREFETCH{$k};
		2138	}
		2139	}
		2140	undef $MAP_PREFETCHER;
1445	}	2141	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2142	$MAP_PREFETCHER->prio (6);
1449		2143
1450	()	2144	()
1451	}	2145	}
1452		2146
1453	sub save {	2147	sub save {
1454	my ($self) = @_;	2148	my ($self) = @_;
1455		2149
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2151
1458	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1459		2153
1460	return unless $self->dirty;	2154	return unless $self->dirty;
1461		2155
…		…
1467	return if $self->{deny_save};	2161	return if $self->{deny_save};
1468		2162
1469	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1470		2164
1471	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1473	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1474		2171
1475	if ($uniq) {	2172	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2175	} else {
…		…
1484	my ($self) = @_;	2181	my ($self) = @_;
1485		2182
1486	# save first because save cedes	2183	# save first because save cedes
1487	$self->save;	2184	$self->save;
1488		2185
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2187
1491	return if $self->players;	2188	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2190	return if $self->{deny_save};
1494		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2196	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2197	}
1498		2198
1499	sub reset_at {	2199	sub reset_at {
1500	my ($self) = @_;	2200	my ($self) = @_;
1501		2201
1502	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1505		2204
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2207
…		…
1513	my ($self) = @_;	2212	my ($self) = @_;
1514		2213
1515	$self->reset_at <= $cf::RUNTIME	2214	$self->reset_at <= $cf::RUNTIME
1516	}	2215	}
1517		2216
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2217	sub reset {
1533	my ($self) = @_;	2218	my ($self) = @_;
1534		2219
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2221
1537	return if $self->players;	2222	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2223
1540	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
		2225
		2226	$self->in_memory (cf::MAP_SWAPPED);
		2227
		2228	# need to save uniques path
		2229	unless ($self->{deny_save}) {
		2230	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2231
		2232	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2233	if $uniq;
		2234	}
1541		2235
1542	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1543		2237
1544	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2240	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2241
1549	$self->unlink_save;	2242	$self->unlink_save;
1550	$self->destroy;	2243	$self->destroy;
1551	}	2244	}
1552		2245
1553	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1554		2247
1555	sub nuke {	2248	sub nuke {
1556	my ($self) = @_;	2249	my ($self) = @_;
1557		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	delete $cf::MAP{$self->path};
		2255
		2256	$self->unlink_save;
		2257
		2258	bless $self, "cf::map";
		2259	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2263
		2264	$cf::MAP{$self->path} = $self;
		2265	}
		2266
1561	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1562	}	2304	}
1563		2305
1564	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1565		2307
1566	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2309	instantiated unique items. May block.
1568		2310
1569	=cut	2311	=cut
1570		2312
1571	sub unique_maps() {	2313	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1573	or return;	2315	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2316	utf8::decode $_;
1579	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581		2319	? ()
1582	s/\.map$//;	2320	: normalise $_
1583	push @paths, $_;	2321	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2322	]
1585
1586	\@paths
1587	}	2323	}
1588
1589	package cf;
1590		2324
1591	=back	2325	=back
1592		2326
1593	=head3 cf::object	2327	=head3 cf::object
1594		2328
…		…
1598		2332
1599	=over 4	2333	=over 4
1600		2334
1601	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1602		2336
1603	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1604		2339
1605	=cut	2340	=cut
1606		2341
1607	sub inv_recursive_;	2342	sub inv_recursive_;
1608	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1611		2346
1612	sub inv_recursive {	2347	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1614	}	2349	}
1615		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1616	package cf;	2379	package cf;
1617		2380
1618	=back	2381	=back
1619		2382
1620	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1629		2392
1630	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1631		2408
1632	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2410	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1637		2414
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2416
1640	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1642	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1645	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1646	}	2442	}
1647		2443
1648	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1649		2445
1650	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1663		2459
1664	=item $player_object->enter_link	2460	=item $player_object->enter_link
1665		2461
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2463
1668	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1670		2468
1671	Will never block.	2469	Will never block.
1672		2470
1673	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1674		2472
…		…
1682	=cut	2480	=cut
1683		2481
1684	sub link_map {	2482	sub link_map {
1685	unless ($LINK_MAP) {	2483	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2484	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2485	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2486	$LINK_MAP->load;
1689	}	2487	}
1690		2488
1691	$LINK_MAP	2489	$LINK_MAP
1692	}	2490	}
…		…
1697	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1698		2496
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2498
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1703		2501
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2503	}
1706		2504
1707	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1709		2509
1710	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1711		2511
1712	unless ($map) {	2512	unless ($map) {
1713	# restore original map position	2513	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1730		2530
1731	$map->load;	2531	$map->load;
1732	$map->load_diag;	2532	$map->load_neighbours;
1733		2533
1734	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1735	$self->activate_recursive;	2536	$self->activate_recursive;
		2537
		2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1737	}	2540	}
1738		2541
1739	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2543
1743	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1747	};	2548	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2549
1753	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1754	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2552
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1774		2556
1775	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2562
1778	$self->enter_link;	2563	$self->enter_link;
1779		2564
1780	(async {	2565	(async {
1781	my $map = cf::map::find $path;	2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
		2587	my $map = eval {
		2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1783		2592	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
1788		2596
		2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
		2603	}
		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1790	})->prio (1);	2611	})->prio (1);
1791	}	2612	}
1792		2613
1793	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1794		2615
…		…
1796		2617
1797	sub parse_random_map_params {	2618	sub parse_random_map_params {
1798	my ($spec) = @_;	2619	my ($spec) = @_;
1799		2620
1800	my $rmp = { # defaults	2621	my $rmp = { # defaults
1801	xsize => 10,	2622	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1803	};	2626	};
1804		2627
1805	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1807		2630
…		…
1819	# that depends on the exit object	2642	# that depends on the exit object
1820		2643
1821	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
1822		2645
1823	if ($exit->map) {	2646	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2647	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1828	}	2653	}
1829		2654
1830	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1831		2656
1832	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
		2659	my $meta = "$RANDOMDIR/$md5.meta";
1834		2660
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
		2663	undef $fh;
		2664	aio_rename "$meta~", $meta;
1837		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1840	}	2672	}
1841	}	2673	}
1842		2674
1843	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1847		2679
1848	$self->enter_link;	2680	$self->enter_link;
1849		2681
1850	(async {	2682	(async {
1851	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1852	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
1853	prepare_random_map $exit	2692	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2693	if $exit->slaying eq "/!";
		2694	}
1855		2695
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
1858		2699
		2700	$self->goto ($map, $x, $y);
		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1859	1;	2706	1
1860	}) {	2707	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2712
1866	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2714	$self->leave_link;
1868	}	2715	}
1869	})->prio (1);	2716	})->prio (1);
…		…
1882		2729
1883	sub cf::client::send_drawinfo {	2730	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2731	my ($self, $text, $flags) = @_;
1885		2732
1886	utf8::encode $text;	2733	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2735	}
1889		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1890		2931
1891	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1892		2933
1893	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2937
1897	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2939	become reliable at some point in the future.
1899		2940
1900	=cut	2941	=cut
1901		2942
1902	sub cf::client::query {	2943	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2952	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2954
1914	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1916	}	2959	}
1917		2960
1918	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1919	on_reply => sub {	2967	on_reply => sub {
1920	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
1921		2969
1922	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
1923	# get handled first	2971	# get handled first
1924	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2974
1927	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2977
1929	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
1930		2979
1931	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2981	if (@$queue) {
…		…
1934	} else {	2983	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2985	}
1937	}	2986	}
1938	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
1939	);	3014	);
1940		3015
1941	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
1942		3017
1943	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
1986		3061
1987	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
1988		3063
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
1990		3069
1991	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
1992		3071
1993	=pod	3072	=pod
1994		3073
1995	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
1996		3075
1997	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
1998	cf::object::player player	3081	cf::object::player
1999	cf::player peaceful	3082	player
2000	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2001		3089
2002	=cut	3090	=cut
2003		3091
2004	for (	3092	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2009	) {	3099	) {
2010	no strict 'refs';	3100	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2029	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2030		3120
2031	my $qcode = $code;	3121	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2034		3126
2035	local $_;	3127	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2037		3129
2038	my $eval =	3130	my $eval =
…		…
2081	=back	3173	=back
2082		3174
2083	=cut	3175	=cut
2084		3176
2085	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2086		3179
2087	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2088		3182
2089	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2091	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3186
2093	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3188
2096	=over 4	3189	warn "loading facedata from $path\n";
2097		3190
2098	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2099		3194
2100	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3196
2104	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3199
2106	Returns a single value from the database	3200	# patch in the exptable
2107		3201	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2109		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3204	};
		3205	cf::cede_to_tick;
2159		3206
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2164		3209
2165	sub db_get($;$) {	3210	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3212
2171	sub db_put($$;$) {	3213	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174	} else {	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3217
2180	cf::global->attach (	3218	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3219	}
2185	);
2186	}
2187		3220
2188	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3222	next unless $info->{smooth};
2190		3223
2191	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 {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3367	or return;
2194		3368
2195	local $/;	3369	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2197		3371
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3373
2200	$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};
2201	$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};
…		…
2207	};	3381	};
2208	warn $@ if $@;	3382	warn $@ if $@;
2209	}	3383	}
2210	}	3384	}
2211		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
2212	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
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2213	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3423	(async {
		3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
		3426	})->prio (Coro::PRIO_MAX);
2217	};	3427	};
2218		3428
2219	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
		3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2221	load_extensions;	3447	load_extensions;
		3448
		3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2222	Event::loop;	3457	EV::loop;
2223	}	3458	}
2224		3459
2225	#############################################################################	3460	#############################################################################
2226	# initialisation and cleanup	3461	# initialisation and cleanup
2227		3462
2228	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2229	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2236	},
2237	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2238	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2239	}	3557	}
2240		3558
2241	sub emergency_save() {	3559	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2243		3561
2244	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2245		3563
2246	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2247	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3578	$pl->save;
2255	}	3579	}
2256	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2257		3581
2258	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3585	$map->valid or next;
2262	$map->save;	3586	$map->save;
2263	}	3587	}
2264	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
		3589
		3590	warn "emergency_perl_save: begin database checkpoint\n";
		3591	BDB::db_env_txn_checkpoint $DB_ENV;
		3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2265	};	3597	};
2266		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2267	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2268	}	3605	}
2269		3606
		3607	sub post_cleanup {
		3608	my ($make_core) = @_;
		3609
		3610	warn Carp::longmess "post_cleanup backtrace"
		3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2270	sub reload() {	3643	sub do_reload_perl() {
2271	# can/must only be called in main	3644	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3646	warn "can only reload from main coroutine";
2274	return;	3647	return;
2275	}	3648	}
2276		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2277	warn "reloading...";	3655	warn "reloading...";
2278		3656
2279	warn "freezing server";	3657	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3658
		3659	cf::sync_job {
		3660	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3661	cf::emergency_save;
		3662	cf::write_runtime_sync; # external watchdog should not bark
2282		3663
2283	warn "sync database to disk";	3664	warn "syncing database to disk";
2284	cf::db_sync;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3666
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2289		3668
2290	warn "cancel all watchers";	3669	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3672	}
2315		3673
		3674	warn "cancelling all extension coros";
		3675	$_->cancel for values %EXT_CORO;
		3676	%EXT_CORO = ();
		3677
		3678	warn "removing commands";
		3679	%COMMAND = ();
		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3687	warn "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3688
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2331	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2332	}	3698	}
2333		3699
2334	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2335	}	3715	}
2336		3716
2337	warn "get rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3720
2341	warn "unload cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3724
2344	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3726	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2347		3728
		3729	warn "unload completed, starting to reload now";
		3730
2348	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2349	require cf;	3732	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3734
2352	warn "load config and database again";	3735	warn "loading config and database again";
2353	cf::cfg_load;	3736	cf::reload_config;
2354	cf::db_load;
2355		3737
2356	warn "load extensions";	3738	warn "loading extensions";
2357	cf::load_extensions;	3739	cf::load_extensions;
2358		3740
		3741	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3743	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3744	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
		3746	warn "reattaching attachments to players";
		3747	reattach $_ for values %PLAYER;
		3748	}
		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
		3753	warn "leaving sync_job";
		3754
		3755	1
		3756	} or do {
		3757	warn $@;
		3758	cf::cleanup "error while reloading, exiting.";
		3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2363	};	3782	};
2364		3783	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3784
2374	register_command "reload" => sub {	3785	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2376		3787
2377	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
		3792	reload_perl;
		3793	};
2381	}	3794	}
2382	};	3795	};
2383		3796
2384	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2385		3798
2386	$TICK_WATCHER = Event->timer (	3799	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3800
		3801	our @WAIT_FOR_TICK;
		3802	our @WAIT_FOR_TICK_BEGIN;
		3803
		3804	sub wait_for_tick {
		3805	return if tick_inhibit || $Coro::current == $Coro::main;
		3806
		3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
		3821	if ($Coro::current != $Coro::main) {
		3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3823	unless ++$bug_warning > 10;
		3824	return;
		3825	}
		3826
2394	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3828
2398	$WAIT_FOR_TICK->broadcast;	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400		3831	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3832	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3833	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3835	};
2428	},	3836	}
2429	);	3837
		3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
		3856
		3857	{
		3858	# configure BDB
		3859
		3860	BDB::min_parallel 8;
		3861	BDB::max_poll_reqs $TICK * 0.1;
		3862	$AnyEvent::BDB::WATCHER->priority (1);
		3863
		3864	unless ($DB_ENV) {
		3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3871
		3872	cf::sync_job {
		3873	eval {
		3874	BDB::db_env_open
		3875	$DB_ENV,
		3876	$BDBDIR,
		3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3879	0666;
		3880
		3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3882	};
		3883
		3884	cf::cleanup "db_env_open(db): $@" if $@;
		3885	};
		3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
		3897	}
		3898
		3899	{
		3900	# configure IO::AIO
		3901
		3902	IO::AIO::min_parallel 8;
		3903	IO::AIO::max_poll_time $TICK * 0.1;
		3904	undef $AnyEvent::AIO::WATCHER;
		3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2430		3951
2431	END { cf::emergency_save }	3952	END { cf::emergency_save }
2432		3953
2433	1	3954	1
2434		3955

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