ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	90
		91	our $CONFDIR = confdir;
		92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		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;
60		106
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	109	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
71		118
72	our %CFG;	119	our %CFG;
73		120
74	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
76		124
77	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		128
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
86	binmode STDOUT;	141	binmode STDOUT;
87	binmode STDERR;	142	binmode STDERR;
88		143
89	# read virtual server time, if available	144	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
94	}	149	}
95		150
96	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	152
98	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		155
103	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
104		157
105	sub cf::map::normalise;	158	sub cf::map::normalise;
106		159
…		…
117	=item $cf::RUNTIME	170	=item $cf::RUNTIME
118		171
119	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
120	every server tick.	173	every server tick.
121		174
122	=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
123		178
124	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		183
127	=item $cf::NOW	184	=item $cf::NOW
128		185
129	The time of the last (current) server tick.	186	The time of the last (current) server tick.
130		187
131	=item $cf::TICK	188	=item $cf::TICK
132		189
133	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	202	=item %cf::CFG
136		203
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	205	from wherever your confdir points to.
139		206
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		208
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		218
146	=back	219	=back
147		220
148	=cut	221	=cut
149		222
150	BEGIN {	223	BEGIN {
…		…
152	my $msg = join "", @_;	225	my $msg = join "", @_;
153		226
154	$msg .= "\n"	227	$msg .= "\n"
155	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
156		229
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		231
159	utf8::encode $msg;
160	LOG llevError, $msg;	232	LOG llevError, $msg;
161	};	233	};
162	}	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#?
163		250
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		258
171	# 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
172	# within the Safe compartment.	260	# within the Safe compartment.
173	for my $pkg (qw(	261	for my $pkg (qw(
174	cf::global cf::attachable	262	cf::global cf::attachable
175	cf::object cf::object::player	263	cf::object cf::object::player
176	cf::client cf::player	264	cf::client cf::player
177	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
178	cf::map cf::party cf::region	267	cf::party cf::region
179	)) {	268	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	270	}
183		271
184	$Event::DIED = sub {	272	$EV::DIED = sub {
185	warn "error in event callback: @_";	273	warn "error in event callback: @_";
186	};	274	};
		275
		276	#############################################################################
187		277
188	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
189		279
190	=over 4	280	=over 4
191		281
…		…
210	$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;
211	$d	301	$d
212	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
213	}	303	}
214		304
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
218		306
219	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
220		308
221	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
222		310
223	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
224		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[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;
		332	}
		333
225	=item cf::lock_wait $string	334	=item cf::lock_wait $string
226		335
227	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
228		337
229	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
230		339
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
234	returned.	343	returned.
235		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
236	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
237	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
238		350
239	=cut	351	=item $locked = cf::lock_active $string
240		352
241	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
242		358
243	sub lock_wait($) {	359	sub lock_wait($) {
244	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	361	}
252		362
253	sub lock_acquire($) {	363	sub lock_acquire($) {
254	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
255		366
256	# wait, to be sure we are not locked	367	sub lock_active($) {
257	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	369	}
266		370
267	sub freeze_mainloop {	371	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
269		373
270	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	375	}
		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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
272	};	435	}
273	$TICK_WATCHER->stop;	436	};
274	$guard	437
		438	sub get_slot($;$$) {
		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	$sig->wait;
275	}	450	}
276		451
277	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
278		453
279	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		459
285	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
286		461
287	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
288		463
289	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
292		468
293	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
296	fast or be very important.	472	fast or be very important.
…		…
299		475
300	sub sync_job(&) {	476	sub sync_job(&) {
301	my ($job) = @_;	477	my ($job) = @_;
302		478
303	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
304	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
306		484
307	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	486
309	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
310		488
311	my $busy = 1;	489	my $busy = 1;
312	my @res;	490	my @res;
313		491
314	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	494	@res = eval { $job->() };
316	warn $@ if $@;	495	warn $@ if $@;
317	undef $busy;	496	undef $busy;
318	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
319		498
320	while ($busy) {	499	while ($busy) {
321	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
322	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
323		510
324	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
325	} else {	512	} else {
326	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
327		514
…		…
347	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
348		535
349	$coro	536	$coro
350	}	537	}
351		538
352	sub write_runtime {	539	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		540
355	my $runtime = cf::localdir . "/runtime";	541	Executes the given code block with the given arguments in a seperate
		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.
356		545
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
358	or return;
359		547
360	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		550
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
365	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
366		554
367	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	556	reset_signals;
369	and return;	557	&$cb
		558	}, @args;
370		559
371	close $fh	560	wantarray ? @res : $res[-1]
372	or return;	561	}
373		562
374	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
375	and return;
376		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		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($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
377	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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"
378	}	715	}
379		716
380	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
381		718
382	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		731
395	#############################################################################	732	#############################################################################
396		733
397	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
398		735
399	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
400	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")
401	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
402		739
403	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>
404	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
405	crossfire+).	742	Deliantra).
406		743
407	=over 4	744	=over 4
408		745
409	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
410		747
…		…
454	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
455		792
456	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
458		795
459	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		798
462	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
463		800
464	=over 4	801	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
574		911
575	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		916
580	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	918	my $pkg = shift @arg;
582		919
583	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
613	}	950	}
614		951
615	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
616	} else {	953	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	955	}
619		956
620	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
621	}	958	}
622		959
…		…
624	if (ref $_[0]) {	961	if (ref $_[0]) {
625	_object_attach @_;	962	_object_attach @_;
626	} else {	963	} else {
627	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
628	}	965	}
		966	_recalc_want;
629	};	967	};
630		968
631	# all those should be optimised	969	# all those should be optimised
632	sub cf::attachable::detach {	970	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
637	reattach ($obj);	975	reattach ($obj);
638	} else {	976	} else {
639	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
640	}	978	}
		979	_recalc_want;
641	};	980	};
642		981
643	sub cf::attachable::attached {	982	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
645		984
…		…
660	";	999	";
661	die if $@;	1000	die if $@;
662	}	1001	}
663		1002
664	our $override;	1003	our $override;
665	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?
666		1005
667	sub override {	1006	sub override {
668	$override = 1;	1007	$override = 1;
669	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
670	}	1009	}
671		1010
672	sub do_invoke {	1011	sub do_invoke {
673	my $event = shift;	1012	my $event = shift;
674	my $callbacks = shift;	1013	my $callbacks = shift;
675		1014
676	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
677		1016
678	local $override;	1017	local $override;
679		1018
680	for (@$callbacks) {	1019	for (@$callbacks) {
681	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
690	}	1029	}
691		1030
692	0	1031	0
693	}	1032	}
694		1033
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1035
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1037
699	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
700		1039
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1043
705	=back	1044	=back
706		1045
707	=cut	1046	=cut
708		1047
709	#############################################################################	1048	#############################################################################
710	# 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, $ob2
		1091	}
711		1092
712	sub reattach {	1093	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1095	my ($obj) = @_;
715		1096
		1097	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1099
718	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
719		1101
720	@$registry = ();	1102	@$registry = ();
721		1103
…		…
736	cf::attachable->attach (	1118	cf::attachable->attach (
737	prio => -1000000,	1119	prio => -1000000,
738	on_instantiate => sub {	1120	on_instantiate => sub {
739	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
740		1122
741	$data = from_json $data;	1123	$data = decode_json $data;
742		1124
743	for (@$data) {	1125	for (@$data) {
744	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
745		1127
746	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1144	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
764		1146
765	sync_job {	1147	sync_job {
766	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
769		1152
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($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;
		1158	aio_fsync $fh;
		1159	}
774	close $fh;	1160	aio_close $fh;
775		1161
776	if (@$objs) {	1162	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($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;
		1169	aio_fsync $fh;
		1170	}
782	close $fh;	1171	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
784	}	1173	}
785	} else {	1174	} else {
786	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
787	}	1176	}
788		1177
789	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1182	} else {
791	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
792	}	1184	}
793	} else {	1185	} else {
794	aio_unlink $filename;	1186	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
796	}	1188	}
797	}	1189	};
798	}	1190	}
799		1191
800	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
802		1194
…		…
814	or return;	1206	or return;
815		1207
816	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
818	or return;	1210	or return;
		1211
819	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
820	}	1214	}
821		1215
		1216	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
824	return ($data, $av);	1220	($data, $av)
825	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
826		1228
827	#############################################################################	1229	#############################################################################
828	# command handling &c	1230	# command handling &c
829		1231
830	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1246	}
845		1247
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1249
848	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.
849		1255
850	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
851	called.	1257	called.
852		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
853	=cut	1270	=cut
854		1271
855	sub register_extcmd {	1272	sub register_extcmd {
856	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
857		1274
858	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
859	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
860		1285
861	cf::player->attach (	1286	cf::player->attach (
862	on_command => sub {	1287	on_command => sub {
863	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
864		1289
…		…
872	cf::override;	1297	cf::override;
873	},	1298	},
874	on_extcmd => sub {	1299	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
876		1301
877	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1303
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
885	} else {	1319	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1321	}
888		1322
889	cf::override;	1323	cf::override;
890	},	1324	},
891	);	1325	);
892		1326
		1327	# "readahead" all extensions
893	sub load_extension {	1328	sub cache_extensions {
894	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
895		1330
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1334	}
921	die $@;
922	}	1335	};
923		1336
924	push @EXTS, $pkg;	1337	$grp
925	}	1338	}
926		1339
927	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
928	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1345	next unless -r $path;
930	eval {	1346
931	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	$progress = 1;
932	1	1403	}
933	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
934	}	1409	};
935	}	1410	}
936		1411
937	#############################################################################	1412	#############################################################################
938		1413
		1414	=back
		1415
939	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
940		1417
941	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
942		1419
943	=cut	1420	=cut
944		1421
945	package cf::player;	1422	package cf::player;
946		1423
…		…
948		1425
949	=head3 cf::player	1426	=head3 cf::player
950		1427
951	=over 4	1428	=over 4
952		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
953	=item cf::player::find $login	1444	=item cf::player::find $login
954		1445
955	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
956		1447
957	=cut	1448	=cut
958		1449
959	sub playerdir($) {	1450	sub playerdir($) {
960	cf::localdir	1451	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1453	}
966		1454
967	sub path($) {	1455	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1466
979	sub exists($) {	1467	sub exists($) {
980	my ($login) = @_;	1468	my ($login) = @_;
981		1469
982	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
984	}	1472	}
985		1473
986	sub find($) {	1474	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1476	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
999		1487
1000	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1003	}	1497	}
1004	}	1498	}
1005	}	1499	}
1006		1500
…		…
1015	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1016		1510
1017	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1019		1513
		1514	cf::get_slot 0.01;
		1515
1020	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1021	Coro::cede;	1517	cf::cede_to_tick;
1022	}	1518	}
1023		1519
1024	sub new($) {	1520	sub new($) {
1025	my ($login) = @_;	1521	my ($login) = @_;
1026		1522
…		…
1032	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1033		1529
1034	$self	1530	$self
1035	}	1531	}
1036		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
1037	=item $pl->quit_character	1543	=item $pl->quit_character
1038		1544
1039	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1041		1547
…		…
1045	my ($pl) = @_;	1551	my ($pl) = @_;
1046		1552
1047	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1048		1554
1049	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1050	$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
1051		1557
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1056		1564
1057	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1089		1597
1090	=cut	1598	=cut
1091		1599
1092	sub list_logins {	1600	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1602	or return [];
1095		1603
1096	my @logins;	1604	my @logins;
1097		1605
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1102		1616
1103	utf8::decode $login;	1617	utf8::decode $login;
1104	push @logins, $login;	1618	push @logins, $login;
1105	}	1619	}
1106		1620
…		…
1133	}	1647	}
1134		1648
1135	\@paths	1649	\@paths
1136	}	1650	}
1137		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1138	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1139		1657
1140	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1141		1659
1142	=cut	1660	=cut
1143		1661
1144	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1146		1664
1147	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1666	}
1151		1667
1152	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1153		1669
1154	Sends an ext event to the client.	1670	Sends an ext event to the client.
1155		1671
1156	=cut	1672	=cut
1157		1673
1158	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1160		1676
1161	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1162	}	1678	}
1163		1679
1164	=head3 cf::region	1680	=head3 cf::region
1165		1681
1166	=over 4	1682	=over 4
…		…
1169		1685
1170	package cf::region;	1686	package cf::region;
1171		1687
1172	=item cf::region::find_by_path $path	1688	=item cf::region::find_by_path $path
1173		1689
1174	Tries to decuce the probable region for a map knowing only its path.	1690	Tries to decuce the likely region for a map knowing only its path.
1175		1691
1176	=cut	1692	=cut
1177		1693
1178	sub find_by_path($) {	1694	sub find_by_path($) {
1179	my ($path) = @_;	1695	my ($path) = @_;
1180		1696
1181	my ($match, $specificity);	1697	my ($match, $specificity);
1182		1698
1183	for my $region (list) {	1699	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1187	}	1703	}
1188	}	1704	}
1189		1705
…		…
1210	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1212		1728
1213	sub generate_random_map {	1729	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1215	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1735	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1254		1773
1255	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1256	local $self->{path};	1775	local $self->{path};
1257	local $self->{load_path};	1776	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1777
1261	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1262	}	1779	}
1263		1780
1264	sub normalise {	1781	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1312	return $self;	1829	return $self;
1313	}	1830	}
1314	}	1831	}
1315		1832
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1834	()
1318	}	1835	}
1319		1836
1320	sub init {	1837	sub init {
1321	my ($self) = @_;	1838	my ($self) = @_;
…		…
1336		1853
1337	# the original (read-only) location	1854	# the original (read-only) location
1338	sub load_path {	1855	sub load_path {
1339	my ($self) = @_;	1856	my ($self) = @_;
1340		1857
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1342	}	1859	}
1343		1860
1344	# the temporary/swap location	1861	# the temporary/swap location
1345	sub save_path {	1862	sub save_path {
1346	my ($self) = @_;	1863	my ($self) = @_;
1347		1864
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1350	}	1867	}
1351		1868
1352	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1353	sub uniq_path {	1870	sub uniq_path {
1354	my ($self) = @_;	1871	my ($self) = @_;
1355		1872
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1358	}	1875	}
1359		1876
1360	# and all this just because we cannot iterate over	1877	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1878	my ($self) = @_;
1364		1879
1365	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1367	}	1883	}
1368		1884
1369	sub unlink_save {	1885	sub unlink_save {
1370	my ($self) = @_;	1886	my ($self) = @_;
1371		1887
…		…
1376		1892
1377	sub load_header_from($) {	1893	sub load_header_from($) {
1378	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1379		1895
1380	utf8::encode $path;	1896	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1386		1905
1387	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1388		1907
1389	1	1908	1
1390	}	1909	}
…		…
1429	$self->load_header_orig	1948	$self->load_header_orig
1430	or return;	1949	or return;
1431	$self->prepare_orig;	1950	$self->prepare_orig;
1432	}	1951	}
1433		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1434	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1957	unless $self->default_region;
1436		1958
1437	1	1959	1
1438	}	1960	}
…		…
1441	sub find {	1963	sub find {
1442	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1443		1965
1444	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1445		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1447		1970
1448	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1451	or return;	1973	or return;
1452		1974
1453	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1454		1976
1455	$map->load_header	1977	$map->load_header
1456	or return;	1978	or return;
1457		1979
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1461	$map->reset;	1985	$map->reset;
1462	undef $guard;
1463	return find $path;	1986	return find $path;
1464	}	1987	}
1465		1988
1466	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1467	}	1990	}
…		…
1474	my ($self) = @_;	1997	my ($self) = @_;
1475		1998
1476	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1477		2000
1478	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1480		2005
		2006	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2008
1483	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1484		2010
1485	$self->alloc;	2011	$self->alloc;
1486		2012
1487	$self->pre_load;	2013	$self->pre_load;
1488	Coro::cede;	2014	cf::cede_to_tick;
1489		2015
1490	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1491	or return;	2019	or return;
1492		2020
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1494	if delete $self->{load_original};	2022	if delete $self->{load_original};
1495		2023
1496	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2025	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2028	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1501	}	2032	}
1502	}	2033	}
1503		2034
1504	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1505	# now do the right thing for maps	2038	# now do the right thing for maps
1506	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2041	unless $self->difficulty;
1517	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1518	$self->activate;	2049	$self->activate;
1519	Coro::cede;	2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2056	}
1521		2057
1522	$self->post_load;	2058	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2059	}
1527		2060
1528	sub customise_for {	2061	sub customise_for {
1529	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1530		2063
1531	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2065	if $self->per_player;
1533		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1534	$self	2070	$self
1535	}	2071	}
1536		2072
1537	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2074	sub load_neighbours {
1539	my ($map) = @_;	2075	my ($map) = @_;
1540		2076
1541	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1542		2078
1543	for (0 .. 3) {	2079	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1545	or next;	2081	or next;
1546	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1547	or next;	2083	or next;
1548	$neigh->load;	2084	$neigh->load;
1549		2085
		2086	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2089	}
1553		2090
1554	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1556	or next;	2094	or next;
1557	$neigh->load;	2095	$neigh->load;
1558	}	2096	}
1559	}	2097	}
1560		2098
…		…
1565	}	2103	}
1566		2104
1567	sub do_load_sync {	2105	sub do_load_sync {
1568	my ($map) = @_;	2106	my ($map) = @_;
1569		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1570	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1571	}	2112	}
1572		2113
1573	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1575		2116
1576	sub find_async {	2117	sub find_async {
1577	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1578		2119
1579	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1580		2121
1581	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2124	}
1584		2125
1585	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1586	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1587	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2133	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2134	$map->load if $v;
		2135	}
1592		2136
1593	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1594	}	2138	}
1595	}	2139	}
1596	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1597	};	2141	};
1598	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2145	}
1602		2146
1603	sub save {	2147	sub save {
1604	my ($self) = @_;	2148	my ($self) = @_;
1605		2149
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2151
1608	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1609		2153
1610	return unless $self->dirty;	2154	return unless $self->dirty;
1611		2155
…		…
1617	return if $self->{deny_save};	2161	return if $self->{deny_save};
1618		2162
1619	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1620		2164
1621	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1623	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1624		2171
1625	if ($uniq) {	2172	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2175	} else {
…		…
1634	my ($self) = @_;	2181	my ($self) = @_;
1635		2182
1636	# save first because save cedes	2183	# save first because save cedes
1637	$self->save;	2184	$self->save;
1638		2185
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2187
1641	return if $self->players;	2188	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2190	return if $self->{deny_save};
1644		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2196	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2197	}
1648		2198
1649	sub reset_at {	2199	sub reset_at {
1650	my ($self) = @_;	2200	my ($self) = @_;
1651		2201
1652	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1655		2204
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2207
…		…
1669	my ($self) = @_;	2218	my ($self) = @_;
1670		2219
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2221
1673	return if $self->players;	2222	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2223
1676	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1677		2225
1678	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1679		2227
1680	# need to save uniques path	2228	# need to save uniques path
1681	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2233	if $uniq;
1686	}	2234	}
1687		2235
1688	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1689		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2240	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2241
1694	$self->unlink_save;	2242	$self->unlink_save;
1695	$self->destroy;	2243	$self->destroy;
1696	}	2244	}
1697		2245
1698	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1699		2247
1700	sub nuke {	2248	sub nuke {
1701	my ($self) = @_;	2249	my ($self) = @_;
1702		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1703	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1704		2255
1705	$self->unlink_save;	2256	$self->unlink_save;
1706		2257
1707	bless $self, "cf::map";	2258	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2263
1713	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1714		2266
1715	$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	]
1716	}	2304	}
1717		2305
1718	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1719		2307
1720	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2309	instantiated unique items. May block.
1722		2310
1723	=cut	2311	=cut
1724		2312
1725	sub unique_maps() {	2313	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1727	or return;	2315	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2316	utf8::decode $_;
1733	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2319	? ()
1736	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2322	]
1738
1739	\@paths
1740	}	2323	}
1741
1742	package cf;
1743		2324
1744	=back	2325	=back
1745		2326
1746	=head3 cf::object	2327	=head3 cf::object
1747		2328
…		…
1751		2332
1752	=over 4	2333	=over 4
1753		2334
1754	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1755		2336
1756	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.
1757		2339
1758	=cut	2340	=cut
1759		2341
1760	sub inv_recursive_;	2342	sub inv_recursive_;
1761	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1764		2346
1765	sub inv_recursive {	2347	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1767	}	2349	}
1768		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
1769	package cf;	2379	package cf;
1770		2380
1771	=back	2381	=back
1772		2382
1773	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1782		2392
1783	=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	};
1784		2408
1785	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2410	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1790		2414
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2416
1793	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1798	}	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 (@_);
1799	}	2442	}
1800		2443
1801	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1802		2445
1803	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1816		2459
1817	=item $player_object->enter_link	2460	=item $player_object->enter_link
1818		2461
1819	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}>).
1820		2463
1821	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.
1822	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.
1823		2468
1824	Will never block.	2469	Will never block.
1825		2470
1826	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1827		2472
…		…
1850	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1851		2496
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2498
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1856		2501
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2503	}
1859		2504
1860	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1862		2509
1863	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1864		2511
1865	unless ($map) {	2512	unless ($map) {
1866	# restore original map position	2513	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1883		2530
1884	$map->load;	2531	$map->load;
1885	$map->load_diag;	2532	$map->load_neighbours;
1886		2533
1887	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2536	$self->activate_recursive;
1889		2537
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1892	}	2540	}
1893		2541
1894	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2543
1898	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1902	};	2548	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2549
1908	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2552
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1929		2556
1930	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1931	my ($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;
1932		2562
1933	$self->enter_link;	2563	$self->enter_link;
1934		2564
1935	(async {	2565	(async {
		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
1936	my $map = eval {	2587	my $map = eval {
1937	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1939	$map	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 $@;
1940	} or	2603	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1944	})->prio (1);	2611	})->prio (1);
1945	}	2612	}
1946		2613
1947	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1948		2615
…		…
1968	}	2635	}
1969		2636
1970	sub prepare_random_map {	2637	sub prepare_random_map {
1971	my ($exit) = @_;	2638	my ($exit) = @_;
1972		2639
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2642	# that depends on the exit object
1978		2643
1979	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2646	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1986	}	2653	}
1987		2654
1988	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1989		2656
1990	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1993		2660
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2663	undef $fh;
1997	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
1998		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2001	}	2672	}
2002	}	2673	}
2003		2674
2004	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2006		2677
2007	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2008		2679
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2680	$self->enter_link;
2021		2681
2022	(async {	2682	(async {
2023	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2024	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
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2025	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2026		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
2027	1;	2706	1
2028	}) {	2707	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2712
2034	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2053		2732
2054	utf8::encode $text;	2733	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2735	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2059		2898
2060	Sends an exti event to the client.	2899	Sends an ext event to the client.
2061		2900
2062	=cut	2901	=cut
2063		2902
2064	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2066		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2930	}
2070		2931
2071	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2072		2933
2073	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2937
2077	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
2078	reliable at some point in the future.	2939	become reliable at some point in the future.
2079		2940
2080	=cut	2941	=cut
2081		2942
2082	sub cf::client::query {	2943	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2952	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2954
2094	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2096	}	2959	}
2097		2960
2098	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	},
2099	on_reply => sub {	2967	on_reply => sub {
2100	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2101		2969
2102	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2103	# get handled first	2971	# get handled first
…		…
2115	} else {	2983	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2985	}
2118	}	2986	}
2119	},	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	},
2120	);	3014	);
2121		3015
2122	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2123		3017
2124	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2167		3061
2168	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2169		3063
2170	$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	));
2171		3069
2172	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2173		3071
2174	=pod	3072	=pod
2175		3073
2176	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2177		3075
2178	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
2179	cf::object::player player	3081	cf::object::player
2180	cf::player peaceful	3082	player
2181	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2182		3089
2183	=cut	3090	=cut
2184		3091
2185	for (	3092	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2190	) {	3099	) {
2191	no strict 'refs';	3100	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2210	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2211		3120
2212	my $qcode = $code;	3121	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2215		3126
2216	local $_;	3127	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2218		3129
2219	my $eval =	3130	my $eval =
…		…
2262	=back	3173	=back
2263		3174
2264	=cut	3175	=cut
2265		3176
2266	#############################################################################	3177	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3178	# the server's init and main functions
2437		3179
2438	sub load_facedata($) {	3180	sub load_facedata($) {
2439	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3188
2441	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2442		3190
2443	my $facedata;	3191	my $facedata;
2444	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2448		3196
2449	$facedata->{version} == 2	3197	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2452	{	3207	{
2453	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2454		3209
2455	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3217
		3218	cf::cede_to_tick;
2461	}	3219	}
2462		3220
2463	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2465	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2466	or next;	3225	or next;
		3226
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3230	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3232	}
2472	Coro::cede;	3233
		3234	cf::cede_to_tick;
2473	}	3235	}
2474	}	3236	}
2475		3237
2476	{	3238	{
2477	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2478		3240
2479	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3243	cf::cede_to_tick;
2482	}	3244	}
2483		3245
2484	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2485	}	3247	}
2486		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
2487	1	3284	1
2488	}	3285	}
2489		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 $_->{match};
		3336	}
		3337	}
		3338
2490	sub reload_facedata {	3339	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3340	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
2493	}	3342	}
2494		3343
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3344	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3345	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2503	}	3347	}
2504		3348
2505	sub reload_treasures {	3349	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3350	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2508	}	3352	}
2509		3353
2510	sub reload_resources {	3354	sub reload_resources {
2511	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2512		3356
2513	reload_regions;
2514	reload_facedata;	3357	reload_facedata;
2515	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2516	reload_treasures;	3360	reload_treasures;
2517		3361
2518	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2519	}	3363	}
2520		3364
2521	sub init {	3365	sub reload_config {
2522	reload_resources;
2523	}
2524
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3367	or return;
2528		3368
2529	local $/;	3369	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2531		3371
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3373
2534	$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};
2535	$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};
…		…
2541	};	3381	};
2542	warn $@ if $@;	3382	warn $@ if $@;
2543	}	3383	}
2544	}	3384	}
2545		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
2546	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
2547	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2549	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#
2550	(async {	3423	(async {
2551	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2553	};	3427	};
2554		3428
2555	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2556	db_init;	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
2557	load_extensions;	3447	load_extensions;
2558		3448
2559	$TICK_WATCHER->start;	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
2560	Event::loop;	3457	EV::loop;
2561	}	3458	}
2562		3459
2563	#############################################################################	3460	#############################################################################
2564	# initialisation and cleanup	3461	# initialisation and cleanup
2565		3462
2566	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2567	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	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 };
2579	}	3557	}
2580		3558
2581	sub emergency_save() {	3559	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2583		3561
2584	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2585		3563
2586	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
2587	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3578	$pl->save;
2595	}	3579	}
2596	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2597		3581
2598	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3585	$map->valid or next;
2602	$map->save;	3586	$map->save;
2603	}	3587	}
2604	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2605		3589
2606	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2609	};	3597	};
2610		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2611	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2612	}	3605	}
2613		3606
2614	sub post_cleanup {	3607	sub post_cleanup {
2615	my ($make_core) = @_;	3608	my ($make_core) = @_;
2616		3609
2617	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	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#
2619	}	3641	}
2620		3642
2621	sub do_reload_perl() {	3643	sub do_reload_perl() {
2622	# can/must only be called in main	3644	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2625	return;	3647	return;
2626	}	3648	}
2627		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2628	warn "reloading...";	3655	warn "reloading...";
2629		3656
2630	warn "entering sync_job";	3657	warn "entering sync_job";
2631		3658
2632	cf::sync_job {	3659	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3661	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2636		3663
2637	warn "syncing database to disk";	3664	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3666
2640	# 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
2641		3668
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3672	}
2678		3673
2679	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2681	}	3676	%EXT_CORO = ();
2682		3677
2683	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3687	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3688
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2694	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2695	}	3698	}
2696		3699
2697	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;
2698	}	3715	}
2699		3716
2700	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2702	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);
2703		3720
2704	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		3724
2707	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3726	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2710		3728
2711	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2712		3730
2713	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2714	require cf;	3732	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3734
2717	warn "loading config and database again";	3735	warn "loading config and database again";
2718	cf::cfg_load;	3736	cf::reload_config;
2719		3737
2720	warn "loading extensions";	3738	warn "loading extensions";
2721	cf::load_extensions;	3739	cf::load_extensions;
2722		3740
		3741	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2729		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
2730	warn "leaving sync_job";	3753	warn "leaving sync_job";
2731		3754
2732	1	3755	1
2733	} or do {	3756	} or do {
2734	warn $@;	3757	warn $@;
2735	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3759	};
2738		3760
2739	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
2740	};	3767	};
2741		3768
2742	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
2743		3770
2744	sub reload_perl() {	3771	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
2747		3774
2748	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	3777
2751	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	3779	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
2755	},	3781	};
2756	);	3782	};
2757	}	3783	}
2758		3784
2759	register_command "reload" => sub {	3785	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2761		3787
2762	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3792	reload_perl;
		3793	};
2765	}	3794	}
2766	};	3795	};
2767		3796
2768	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2769		3798
…		…
2771		3800
2772	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
2774		3803
2775	sub wait_for_tick {	3804	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2778		3806
2779	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3809	$signal->wait;
2782	}	3810	}
2783		3811
2784	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
2787		3814
2788	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3817	$signal->wait;
2791	}	3818	}
2792		3819
2793	$TICK_WATCHER = Event->timer (	3820	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2803	return;	3824	return;
2804	}	3825	}
2805		3826
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2809		3828
2810	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;
2812
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3831	Coro::async_pool {
		3832	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3833	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3835	};
		3836	}
2820		3837
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3839	$sig->send;
2832	}	3840	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3842	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	3843	}
2839	);	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	}
2840		3856
2841	{	3857	{
2842	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3859
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2852		3861	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3863
2868	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	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);
2870		3871
2871	cf::sync_job {	3872	cf::sync_job {
2872	eval {	3873	eval {
2873	BDB::db_env_open	3874	BDB::db_env_open
2874	$DB_ENV,	3875	$DB_ENV,
2875	$BDB_ENV_DIR,	3876	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3879	0666;
2879		3880
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3882	};
2885		3883
2886	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3885	};
2888	}	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	};
2889	}	3897	}
2890		3898
2891	{	3899	{
		3900	# configure IO::AIO
		3901
2892	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	3905	}
2898	data => WF_AUTOCANCEL,	3906
2899	fd => IO::AIO::poll_fileno,	3907	my $_log_backtrace;
2900	poll => 'r',	3908
2901	prio => 6,	3909	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	3910	my ($msg, @addr) = @_;
2903	);	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] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
2904	}	3947	}
2905		3948
2906	# load additional modules	3949	# load additional modules
2907	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
2908		3951
2909	END { cf::emergency_save }	3952	END { cf::emergency_save }
2910		3953
2911	1	3954	1
2912		3955

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines