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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
50		89
51	our %CFG;	90	our %CFG;
52		91
53	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	93	our $RUNTIME;
55		94
56	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	97	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		98
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	99	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
63		105
64	binmode STDOUT;	106	binmode STDOUT;
65	binmode STDERR;	107	binmode STDERR;
66		108
67	# read virtual server time, if available	109	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
72	}	114	}
73		115
74	mkdir cf::localdir;	116	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		118
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
83		122
84	#############################################################################	123	#############################################################################
85		124
86	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
87		126
…		…
94	=item $cf::RUNTIME	133	=item $cf::RUNTIME
95		134
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	136	every server tick.
98		137
99	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		141
101	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
103		146
104	=item $cf::NOW	147	=item $cf::NOW
105		148
106	The time of the last (current) server tick.	149	The time of the last (current) server tick.
107		150
108	=item $cf::TICK	151	=item $cf::TICK
109		152
110	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
111		164
112	=item %cf::CFG	165	=item %cf::CFG
113		166
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	168	from wherever your confdir points to.
116		169
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		171
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
123		181
124	=back	182	=back
125		183
126	=cut	184	=cut
127		185
128	BEGIN {	186	BEGIN {
129	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	188	my $msg = join "", @_;
131	utf8::encode $msg;
132		189
133	$msg .= "\n"	190	$msg .= "\n"
134	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
135		194
136	LOG llevError, $msg;	195	LOG llevError, $msg;
137	};	196	};
138	}	197	}
139		198
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		206
147	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	208	# within the Safe compartment.
149	for my $pkg (qw(	209	for my $pkg (qw(
150	cf::global cf::attachable	210	cf::global cf::attachable
…		…
158	}	218	}
159		219
160	$Event::DIED = sub {	220	$Event::DIED = sub {
161	warn "error in event callback: @_";	221	warn "error in event callback: @_";
162	};	222	};
		223
		224	#############################################################################
163		225
164	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
165		227
166	=over 4	228	=over 4
167		229
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	249	$d
188	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
189	}	251	}
190		252
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
194		254
195	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
196		256
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
205		258
206	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
207		260
208	=cut	261	=cut
209		262
210	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
212	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
214		267
215	=item cf::lock_wait $string	268	=item cf::lock_wait $string
216		269
217	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
218		271
…		…
221	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
224	returned.	277	returned.
225		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
226	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
228		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
229	=cut	289	=cut
230		290
231	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
232		293
233	sub lock_wait($) {	294	sub lock_wait($) {
234	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
235		301
236	# wait for lock, if any	302	# wait for lock, if any
237	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	305	Coro::schedule;
…		…
245		311
246	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
247	lock_wait $key;	313	lock_wait $key;
248		314
249	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
250		317
251	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
254	}	322	}
255	}	323	}
256		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
257	sub freeze_mainloop {	331	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
259		333
260	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
261	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
262	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
263	}	395	}
264		396
265	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
266		398
267	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		404
273	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
274		406
275	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
276		408
277	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
280		413
281	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
284	fast or be very important.	417	fast or be very important.
…		…
287		420
288	sub sync_job(&) {	421	sub sync_job(&) {
289	my ($job) = @_;	422	my ($job) = @_;
290		423
291	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
292	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
294		429
295	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
307		442
308	while ($busy) {	443	while ($busy) {
309	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
310	}	445	}
311		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
312	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
313	} else {	455	} else {
314	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
315		457
316	$job->()	458	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
336		478
337	$coro	479	$coro
338	}	480	}
339		481
340	sub write_runtime {	482	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		483
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
344	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
345		488
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	489	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		490
350	aio_fsync $fh	491	sub fork_call(&@) {
351	and return;	492	my ($cb, @args) = @_;
352		493
353	close $fh	494	# we seemingly have to make a local copy of the whole thing,
354	or return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
355		497
356	aio_rename "$runtime~", $runtime	498	my @res = Coro::Util::fork_eval {
357	and return;	499	reset_signals;
		500	&$cb
		501	}, @args;
358		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
359	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	642	}
361		643
362	=back	644	=back
363		645
364	=cut	646	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		647
493	#############################################################################	648	#############################################################################
494		649
495	=head2 ATTACHABLE OBJECTS	650	=head2 ATTACHABLE OBJECTS
496		651
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
500		655
501	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	658	Crossfire TRT).
504		659
505	=over 4	660	=over 4
506		661
507	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
508		663
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	777	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	778	our @CB_MAP = ();
624		779
625	my %attachment;	780	my %attachment;
626		781
		782	sub cf::attachable::thawer_merge {
		783	# simply override everything except _meta
		784	local $_[0]{_meta};
		785	%{$_[0]} = %{$_[1]};
		786	}
		787
627	sub _attach_cb($$$$) {	788	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	789	my ($registry, $event, $prio, $cb) = @_;
629		790
630	use sort 'stable';	791	use sort 'stable';
631		792
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
666		827
667	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		832
672	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	834	my $pkg = shift @arg;
674		835
675	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
705	}	866	}
706		867
707	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
708	} else {	869	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	871	}
711		872
712	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
713	}	874	}
714		875
…		…
716	if (ref $_[0]) {	877	if (ref $_[0]) {
717	_object_attach @_;	878	_object_attach @_;
718	} else {	879	} else {
719	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
720	}	881	}
		882	_recalc_want;
721	};	883	};
722		884
723	# all those should be optimised	885	# all those should be optimised
724	sub cf::attachable::detach {	886	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
729	reattach ($obj);	891	reattach ($obj);
730	} else {	892	} else {
731	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
732	}	894	}
		895	_recalc_want;
733	};	896	};
734		897
735	sub cf::attachable::attached {	898	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
737		900
…		…
752	";	915	";
753	die if $@;	916	die if $@;
754	}	917	}
755		918
756	our $override;	919	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		921
759	sub override {	922	sub override {
760	$override = 1;	923	$override = 1;
761	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
762	}	925	}
763		926
764	sub do_invoke {	927	sub do_invoke {
765	my $event = shift;	928	my $event = shift;
766	my $callbacks = shift;	929	my $callbacks = shift;
767		930
768	@invoke_results = ();	931	@INVOKE_RESULTS = ();
769		932
770	local $override;	933	local $override;
771		934
772	for (@$callbacks) {	935	for (@$callbacks) {
773	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
790		953
791	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
792		955
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		959
797	=back	960	=back
798		961
799	=cut	962	=cut
800		963
801	#############################################################################	964	#############################################################################
802	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
803		977
804	sub reattach {	978	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	980	my ($obj) = @_;
		981
		982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		983
808	my $registry = $obj->registry;	984	my $registry = $obj->registry;
809		985
810	@$registry = ();	986	@$registry = ();
811		987
…		…
852	sub object_freezer_save {	1028	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
854		1030
855	sync_job {	1031	sync_job {
856	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
859		1036
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1040	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1041	close $fh;
865		1042
866	if (@$objs) {	1043	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1044	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1045	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1046	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1047	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1048	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1049	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1050	aio_rename "$filename.pst~", "$filename.pst";
874	}	1051	}
875	} else {	1052	} else {
876	aio_unlink "$filename.pst";	1053	aio_unlink "$filename.pst";
…		…
882	}	1059	}
883	} else {	1060	} else {
884	aio_unlink $filename;	1061	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
886	}	1063	}
887	}	1064	};
888	}	1065	}
889		1066
890	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
892		1069
…		…
904	or return;	1081	or return;
905		1082
906	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
908	or return;	1085	or return;
		1086
909	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1088	}
911		1089
		1090	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
914	return ($data, $av);	1094	($data, $av)
915	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
916		1102
917	#############################################################################	1103	#############################################################################
918	# command handling &c	1104	# command handling &c
919		1105
920	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1120	}
935		1121
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1123
938	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
939		1129
940	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
941	called.	1131	called.
942		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
943	=cut	1144	=cut
944		1145
945	sub register_extcmd {	1146	sub register_extcmd {
946	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
947		1148
948	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
949	}	1156	}
950		1157
951	cf::player->attach (	1158	cf::player->attach (
952	on_command => sub {	1159	on_command => sub {
953	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1169	cf::override;
963	},	1170	},
964	on_extcmd => sub {	1171	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
966		1173
967	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1175
969	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
975	} else {	1191	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1193	}
978		1194
979	cf::override;	1195	cf::override;
980	},	1196	},
981	);	1197	);
982		1198
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
1011	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1204	next unless -r $path;
1013	eval {	1205
1014	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
1015	1	1263	}
1016	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
1017	}	1269	};
1018	}	1270	}
1019		1271
1020	#############################################################################	1272	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1273
1023	*cf::mapsupport::on_clean = sub {	1274	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1275
1036	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
1037		1277
1038	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
1039		1279
…		…
1045		1285
1046	=head3 cf::player	1286	=head3 cf::player
1047		1287
1048	=over 4	1288	=over 4
1049		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
1050	=item cf::player::find $login	1304	=item cf::player::find $login
1051		1305
1052	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
1053		1307
1054	=cut	1308	=cut
1055		1309
1056	sub playerdir($) {	1310	sub playerdir($) {
1057	cf::localdir	1311	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1313	}
1063		1314
1064	sub path($) {	1315	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1317
1067	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
1068	}	1319	}
1069		1320
1070	sub find_active($) {	1321	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
1075		1326
1076	sub exists($) {	1327	sub exists($) {
1077	my ($login) = @_;	1328	my ($login) = @_;
1078		1329
1079	$cf::PLAYER{$login}	1330	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1331	or cf::sync_job { !aio_stat path $login }
1081	}	1332	}
1082		1333
1083	sub find($) {	1334	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1335	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1336	my $login = $_[0];
1086		1337
1087	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
1088		1339
1089	$cf::PLAYER{$_[0]} || do {	1340	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1093	}	1356	}
1094	}	1357	}
1095	}	1358	}
1096		1359
…		…
1106		1369
1107	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1109		1372
1110	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1111	Coro::cede;	1374	cf::cede_to_tick;
1112	}	1375	}
1113		1376
1114	sub new($) {	1377	sub new($) {
1115	my ($login) = @_;	1378	my ($login) = @_;
1116		1379
…		…
1122	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1123		1386
1124	$self	1387	$self
1125	}	1388	}
1126		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
		1398	}
		1399
1127	=item $pl->quit_character	1400	=item $pl->quit_character
1128		1401
1129	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1403	be destroyed. May block for a long time.
1131		1404
1132	=cut	1405	=cut
1133		1406
1134	sub quit_character {	1407	sub quit_character {
1135	my ($pl) = @_;	1408	my ($pl) = @_;
		1409
		1410	my $name = $pl->ob->name;
1136		1411
1137	$pl->{deny_save} = 1;	1412	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1413	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1414
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1420	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1421	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1422	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1423	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1424	$pl->destroy;
		1425
		1426	my $prefix = qr<^~\Q$name\E/>;
		1427
		1428	# nuke player maps
		1429	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1430
1150	IO::AIO::aio_rmtree $temp;	1431	IO::AIO::aio_rmtree $temp;
		1432	}
		1433
		1434	=item $pl->kick
		1435
		1436	Kicks a player out of the game. This destroys the connection.
		1437
		1438	=cut
		1439
		1440	sub kick {
		1441	my ($pl, $kicker) = @_;
		1442
		1443	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1444	$pl->killer ("kicked");
		1445	$pl->ns->destroy;
1151	}	1446	}
1152		1447
1153	=item cf::player::list_logins	1448	=item cf::player::list_logins
1154		1449
1155	Returns am arrayref of all valid playernames in the system, can take a	1450	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1157		1452
1158	=cut	1453	=cut
1159		1454
1160	sub list_logins {	1455	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1457	or return [];
1163		1458
1164	my @logins;	1459	my @logins;
1165		1460
1166	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1170		1470
1171	utf8::decode $login;	1471	utf8::decode $login;
1172	push @logins, $login;	1472	push @logins, $login;
1173	}	1473	}
1174		1474
1175	\@logins	1475	\@logins
1176	}	1476	}
1177		1477
1178	=item $player->maps	1478	=item $player->maps
1179		1479
1180	Returns an arrayref of cf::path's of all maps that are private for this	1480	Returns an arrayref of map paths that are private for this
1181	player. May block.	1481	player. May block.
1182		1482
1183	=cut	1483	=cut
1184		1484
1185	sub maps($) {	1485	sub maps($) {
1186	my ($pl) = @_;	1486	my ($pl) = @_;
		1487
		1488	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1489
1188	my $files = aio_readdir playerdir $pl	1490	my $files = aio_readdir playerdir $pl
1189	or return;	1491	or return;
1190		1492
1191	my @paths;	1493	my @paths;
…		…
1193	for (@$files) {	1495	for (@$files) {
1194	utf8::decode $_;	1496	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1497	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1498	next unless /^$PATH_SEP/o;
1197		1499
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1500	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1501	}
1200		1502
1201	\@paths	1503	\@paths
1202	}	1504	}
1203		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1205		1558
1206	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1207		1560
1208	=cut	1561	=cut
1209		1562
1210	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1212		1565
1213	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1567	}
1217		1568
1218	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1219		1609
1220	=back	1610	=back
1221
1222		1611
1223	=head3 cf::map	1612	=head3 cf::map
1224		1613
1225	=over 4	1614	=over 4
1226		1615
…		…
1229	package cf::map;	1618	package cf::map;
1230		1619
1231	use Fcntl;	1620	use Fcntl;
1232	use Coro::AIO;	1621	use Coro::AIO;
1233		1622
		1623	use overload
		1624	'""' => \&as_string,
		1625	fallback => 1;
		1626
1234	our $MAX_RESET = 3600;	1627	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1628	our $DEFAULT_RESET = 3000;
1236		1629
1237	sub generate_random_map {	1630	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1631	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1632	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1633	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1637	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1638	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1639	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1640	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1641	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1642	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1643	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1644	(cf::region::find $rmp->{region}), $rmp->{custom}
		1645	)
		1646	}
		1647
		1648	=item cf::map->register ($regex, $prio)
		1649
		1650	Register a handler for the map path matching the given regex at the
		1651	givne priority (higher is better, built-in handlers have priority 0, the
		1652	default).
		1653
		1654	=cut
		1655
		1656	sub register {
		1657	my (undef, $regex, $prio) = @_;
		1658	my $pkg = caller;
		1659
		1660	no strict;
		1661	push @{"$pkg\::ISA"}, __PACKAGE__;
		1662
		1663	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1664	}
		1665
		1666	# also paths starting with '/'
		1667	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1668
		1669	sub thawer_merge {
		1670	my ($self, $merge) = @_;
		1671
		1672	# we have to keep some variables in memory intact
		1673	local $self->{path};
		1674	local $self->{load_path};
		1675
		1676	$self->SUPER::thawer_merge ($merge);
		1677	}
		1678
		1679	sub normalise {
		1680	my ($path, $base) = @_;
		1681
		1682	$path = "$path"; # make sure its a string
		1683
		1684	$path =~ s/\.map$//;
		1685
		1686	# map plan:
		1687	#
		1688	# /! non-realised random map exit (special hack!)
		1689	# {... are special paths that are not being touched
		1690	# ?xxx/... are special absolute paths
		1691	# ?random/... random maps
		1692	# /... normal maps
		1693	# ~user/... per-player map of a specific user
		1694
		1695	$path =~ s/$PATH_SEP/\//go;
		1696
		1697	# treat it as relative path if it starts with
		1698	# something that looks reasonable
		1699	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1700	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1701
		1702	$base =~ s{[^/]+/?$}{};
		1703	$path = "$base/$path";
		1704	}
		1705
		1706	for ($path) {
		1707	redo if s{//}{/};
		1708	redo if s{/\.?/}{/};
		1709	redo if s{/[^/]+/\.\./}{/};
		1710	}
		1711
		1712	$path
		1713	}
		1714
		1715	sub new_from_path {
		1716	my (undef, $path, $base) = @_;
		1717
		1718	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1719
		1720	$path = normalise $path, $base;
		1721
		1722	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1723	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1724	my $self = bless cf::map::new, $pkg;
		1725	$self->{path} = $path; $self->path ($path);
		1726	$self->init; # pass $1 etc.
		1727	return $self;
		1728	}
		1729	}
		1730
		1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1732	()
		1733	}
		1734
		1735	sub init {
		1736	my ($self) = @_;
		1737
		1738	$self
		1739	}
		1740
		1741	sub as_string {
		1742	my ($self) = @_;
		1743
		1744	"$self->{path}"
		1745	}
		1746
		1747	# the displayed name, this is a one way mapping
		1748	sub visible_name {
		1749	&as_string
		1750	}
		1751
		1752	# the original (read-only) location
		1753	sub load_path {
		1754	my ($self) = @_;
		1755
		1756	"$MAPDIR/$self->{path}.map"
		1757	}
		1758
		1759	# the temporary/swap location
		1760	sub save_path {
		1761	my ($self) = @_;
		1762
		1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1764	"$TMPDIR/$path.map"
		1765	}
		1766
		1767	# the unique path, undef == no special unique path
		1768	sub uniq_path {
		1769	my ($self) = @_;
		1770
		1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1772	"$UNIQUEDIR/$path"
1254	}	1773	}
1255		1774
1256	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1257	# all maps in C++...	1776	# all maps in C++...
1258	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1260		1779
1261	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1263	}	1782	}
1264		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
		1792	sub unlink_save {
		1793	my ($self) = @_;
		1794
		1795	utf8::encode (my $save = $self->save_path);
		1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1797	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1798	}
		1799
1265	sub try_load_header($) {	1800	sub load_header_from($) {
1266	my ($path) = @_;	1801	my ($self, $path) = @_;
1267		1802
1268	utf8::encode $path;	1803	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1270	or return;	1805	or return;
1271		1806
1272	my $map = cf::map::new	1807	$self->_load_header ($f)
1273	or return;	1808	or return;
1274		1809
1275	# for better error messages only, will be overwritten	1810	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1811	$f->resolve_delayed_derefs;
1277		1812
1278	$map->load_header ($path)	1813	$self->{load_path} = $path;
		1814
		1815	1
		1816	}
		1817
		1818	sub load_header_orig {
		1819	my ($self) = @_;
		1820
		1821	$self->load_header_from ($self->load_path)
		1822	}
		1823
		1824	sub load_header_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->load_header_from ($self->save_path)
		1828	}
		1829
		1830	sub prepare_temp {
		1831	my ($self) = @_;
		1832
		1833	$self->last_access ((delete $self->{last_access})
		1834	|| $cf::RUNTIME); #d#
		1835	# safety
		1836	$self->{instantiate_time} = $cf::RUNTIME
		1837	if $self->{instantiate_time} > $cf::RUNTIME;
		1838	}
		1839
		1840	sub prepare_orig {
		1841	my ($self) = @_;
		1842
		1843	$self->{load_original} = 1;
		1844	$self->{instantiate_time} = $cf::RUNTIME;
		1845	$self->last_access ($cf::RUNTIME);
		1846	$self->instantiate;
		1847	}
		1848
		1849	sub load_header {
		1850	my ($self) = @_;
		1851
		1852	if ($self->load_header_temp) {
		1853	$self->prepare_temp;
		1854	} else {
		1855	$self->load_header_orig
1279	or return;	1856	or return;
		1857	$self->prepare_orig;
		1858	}
1280		1859
1281	$map->{load_path} = $path;	1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
1282		1862
1283	$map	1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
		1865
		1866	1
1284	}	1867	}
1285		1868
1286	sub find;	1869	sub find;
1287	sub find {	1870	sub find {
1288	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1289		1872
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1876	cf::lock_wait "map_find:$path";
1296		1877
1297	$cf::MAP{$key} || do {	1878	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1881
1300	# do it the slow way	1882	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1883	or return;
1319		1884
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1332		1886
1333	Coro::cede;	1887	$map->load_header
		1888	or return;
1334		1889
1335	if ($map->should_reset) {	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1891	# doing this can freeze the server in a sync job, obviously
		1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1336	$map->reset;	1895	$map->reset;
1337	undef $guard;
1338	$map = find $path	1896	return find $path;
1339	or return;
1340	}	1897	}
1341		1898
1342	$cf::MAP{$key} = $map	1899	$cf::MAP{$path} = $map
1343	}	1900	}
1344	}	1901	}
		1902
		1903	sub pre_load { }
		1904	sub post_load { }
1345		1905
1346	sub load {	1906	sub load {
1347	my ($self) = @_;	1907	my ($self) = @_;
1348		1908
		1909	local $self->{deny_reset} = 1; # loading can take a long time
		1910
1349	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1914	my $guard = cf::lock_acquire "map_data:$path";
1351		1915
		1916	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		1918
1354	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1355		1920
1356	$self->alloc;	1921	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	1922
		1923	$self->pre_load;
		1924	cf::cede_to_tick;
		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1358	or return;	1929	or return;
1359		1930
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1932	if delete $self->{load_original};
1362		1933
1363	if (my $uniq = $path->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1935	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	1938	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1368	}	1942	}
1369	}	1943	}
1370		1944
1371	Coro::cede;	1945	$f->resolve_delayed_derefs;
1372		1946
		1947	cf::cede_to_tick;
1373	# now do the right thing for maps	1948	# now do the right thing for maps
1374	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1951	unless $self->difficulty;
		1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1386	$self->activate;	1961	$self->activate;
1387	}	1962	}
1388		1963
1389	Coro::cede;	1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
1390		1966
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
		1968	}
		1969
		1970	$self->post_load;
		1971	}
		1972
		1973	sub customise_for {
		1974	my ($self, $ob) = @_;
		1975
		1976	return find "~" . $ob->name . "/" . $self->{path}
		1977	if $self->per_player;
		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
		1982	$self
1392	}	1983	}
1393		1984
1394	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1986	sub load_neighbours {
1396	my ($map) = @_;	1987	my ($map) = @_;
1397		1988
1398	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1399		1990
1400	for (0 .. 3) {	1991	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1402	or next;	1993	or next;
1403	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1404	or next;	1995	or next;
1405	$neigh->load;	1996	$neigh->load;
1406		1997
		1998	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2001	}
1410		2002
1411	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1413	or next;	2006	or next;
1414	$neigh->load;	2007	$neigh->load;
1415	}	2008	}
1416	}	2009	}
1417		2010
…		…
1422	}	2015	}
1423		2016
1424	sub do_load_sync {	2017	sub do_load_sync {
1425	my ($map) = @_;	2018	my ($map) = @_;
1426		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1427	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1428	}	2024	}
1429		2025
1430	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
		2027	our $MAP_PREFETCHER = undef;
		2028
		2029	sub find_async {
		2030	my ($path, $origin, $load) = @_;
		2031
		2032	$path = normalise $path, $origin && $origin->{path};
		2033
		2034	if (my $map = $cf::MAP{$path}) {
		2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2036	}
		2037
		2038	$MAP_PREFETCH{$path} |= $load;
		2039
1431	our $MAP_PREFETCHER = Coro::async {	2040	$MAP_PREFETCHER ||= cf::async {
1432	while () {
1433	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2043	if (my $map = find $k) {
		2044	$map->load if $v;
		2045	}
		2046
1436	my $path = delete $MAP_PREFETCH{$key};	2047	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2048	}
1442	Coro::schedule;	2049	}
		2050	undef $MAP_PREFETCHER;
1443	}	2051	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2052	$MAP_PREFETCHER->prio (6);
1458		2053
1459	()	2054	()
1460	}	2055	}
1461		2056
1462	sub save {	2057	sub save {
1463	my ($self) = @_;	2058	my ($self) = @_;
1464		2059
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2061
1467	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1468		2063
1469	return unless $self->dirty;	2064	return unless $self->dirty;
1470		2065
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2066	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2068
1474	$self->{load_path} = $save;	2069	$self->{load_path} = $save;
1475		2070
1476	return if $self->{deny_save};	2071	return if $self->{deny_save};
1477		2072
…		…
1480	cf::async {	2075	cf::async {
1481	$_->contr->save for $self->players;	2076	$_->contr->save for $self->players;
1482	};	2077	};
1483		2078
1484	if ($uniq) {	2079	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2080	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2081	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2082	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2083	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2084	}
1490	}	2085	}
1491		2086
1492	sub swap_out {	2087	sub swap_out {
1493	my ($self) = @_;	2088	my ($self) = @_;
1494		2089
1495	# save first because save cedes	2090	# save first because save cedes
1496	$self->save;	2091	$self->save;
1497		2092
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2094
1500	return if $self->players;	2095	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2097	return if $self->{deny_save};
1503		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2103	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2104	}
1507		2105
1508	sub reset_at {	2106	sub reset_at {
1509	my ($self) = @_;	2107	my ($self) = @_;
1510		2108
1511	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1514		2111
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2114
…		…
1522	my ($self) = @_;	2119	my ($self) = @_;
1523		2120
1524	$self->reset_at <= $cf::RUNTIME	2121	$self->reset_at <= $cf::RUNTIME
1525	}	2122	}
1526		2123
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2124	sub reset {
1549	my ($self) = @_;	2125	my ($self) = @_;
1550		2126
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2128
1553	return if $self->players;	2129	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2130
1556	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
		2132
		2133	$self->in_memory (cf::MAP_SWAPPED);
		2134
		2135	# need to save uniques path
		2136	unless ($self->{deny_save}) {
		2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2138
		2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2140	if $uniq;
		2141	}
1557		2142
1558	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1559		2144
		2145	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2146	$_->clear_links_to ($self) for values %cf::MAP;
		2147	$self->clear;
1561		2148
1562	$self->unlink_save;	2149	$self->unlink_save;
1563	$self->destroy;	2150	$self->destroy;
1564	}	2151	}
1565		2152
1566	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1567		2154
1568	sub nuke {	2155	sub nuke {
1569	my ($self) = @_;	2156	my ($self) = @_;
1570		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
		2161	delete $cf::MAP{$self->path};
		2162
		2163	$self->unlink_save;
		2164
		2165	bless $self, "cf::map";
		2166	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2170
		2171	$cf::MAP{$self->path} = $self;
		2172	}
		2173
1574	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
1575	}	2175	}
1576		2176
1577	sub customise_for {	2177	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2178
1580	if ($map->per_player) {	2179	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
1582	}	2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
1583		2194
1584	$map	2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1585	}	2211	}
1586		2212
1587	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1588		2214
1589	Returns an arrayref of cf::path's of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2216	instantiated unique items. May block.
1591		2217
1592	=cut	2218	=cut
1593		2219
1594	sub unique_maps() {	2220	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1596	or return;	2222	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2223	utf8::decode $_;
1602	next if /\.pst$/;	2224	/\.map$/
1603	next unless /^$PATH_SEP/o;	2225	? normalise $_
1604		2226	: ()
1605	push @paths, new cf::path $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2228	]
1607
1608	\@paths
1609	}	2229	}
1610		2230
1611	package cf;	2231	package cf;
1612		2232
1613	=back	2233	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1632	}	2252	}
1633		2253
1634	sub inv_recursive {	2254	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1636	}	2287	}
1637		2288
1638	package cf;	2289	package cf;
1639		2290
1640	=back	2291	=back
…		…
1659		2310
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2312
1662	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1664	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1667	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1668	}	2338	}
1669		2339
1670	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1671		2341
1672	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1685		2355
1686	=item $player_object->enter_link	2356	=item $player_object->enter_link
1687		2357
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2358	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2359
1690	The player should be reaosnably safe there for short amounts of time. You	2360	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2361	I<MUST> call C<leave_link> as soon as possible, though.
1692		2362
		2363	Will never block.
		2364
1693	=item $player_object->leave_link ($map, $x, $y)	2365	=item $player_object->leave_link ($map, $x, $y)
1694		2366
1695	Moves the player out of the specila link map onto the given map. If the	2367	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2368	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2369	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2370	fails, to the emergency map position.
1699		2371
1700	Might block.	2372	Might block.
1701		2373
1702	=cut	2374	=cut
		2375
		2376	sub link_map {
		2377	unless ($LINK_MAP) {
		2378	$LINK_MAP = cf::map::find "{link}"
		2379	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2380	$LINK_MAP->load;
		2381	}
		2382
		2383	$LINK_MAP
		2384	}
1703		2385
1704	sub cf::object::player::enter_link {	2386	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2387	my ($self) = @_;
1706		2388
1707	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1708		2390
1709	return if $self->map == $LINK_MAP;	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2392
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1713		2395
1714	$self->enter_map ($LINK_MAP, 20, 20);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2397	}
1716		2398
1717	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1719		2403
1720	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1721		2405
1722	unless ($map) {	2406	unless ($map) {
1723	# restore original map position	2407	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1740		2424
1741	$map->load;	2425	$map->load;
1742	$map->load_diag;	2426	$map->load_neighbours;
1743		2427
1744	return unless $self->contr->active;	2428	return unless $self->contr->active;
1745	$self->activate_recursive;	2429	$self->activate_recursive;
		2430
		2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1747	}	2433	}
1748		2434
1749	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2436
1753	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1757	};	2441	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2442
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1784		2446
1785	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2449
1788	$path = new cf::path $path;	2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2452
1790	$self->enter_link;	2453	$self->enter_link;
1791		2454
1792	(async {	2455	(async {
1793	my $map = cf::map::find $path->as_string;	2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
		2475	my $map = eval {
		2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
1795		2480	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2481	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
1800		2484
		2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
		2491	}
		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1802	})->prio (1);	2499	})->prio (1);
1803	}	2500	}
1804		2501
1805	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1806		2503
…		…
1808		2505
1809	sub parse_random_map_params {	2506	sub parse_random_map_params {
1810	my ($spec) = @_;	2507	my ($spec) = @_;
1811		2508
1812	my $rmp = { # defaults	2509	my $rmp = { # defaults
1813	xsize => 10,	2510	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2511	ysize => (cf::rndm 15, 40),
		2512	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2513	#layout => string,
1815	};	2514	};
1816		2515
1817	for (split /\n/, $spec) {	2516	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2517	my ($k, $v) = split /\s+/, $_, 2;
1819		2518
…		…
1823	$rmp	2522	$rmp
1824	}	2523	}
1825		2524
1826	sub prepare_random_map {	2525	sub prepare_random_map {
1827	my ($exit) = @_;	2526	my ($exit) = @_;
		2527
		2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2529
1829	# all this does is basically replace the /! path by	2530	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2531	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2532	# that depends on the exit object
1832		2533
1833	my $rmp = parse_random_map_params $exit->msg;	2534	my $rmp = parse_random_map_params $exit->msg;
1834		2535
1835	if ($exit->map) {	2536	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2537	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2538	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2539	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2540	$rmp->{origin_y} = $exit->y;
1840	}	2541	}
1841		2542
1842	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1843		2544
1844	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
		2547	my $meta = "$RANDOMDIR/$md5.meta";
1846		2548
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
		2551	undef $fh;
		2552	aio_rename "$meta~", $meta;
1849		2553
1850	$exit->slaying ("?random/$md5");	2554	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2555	$exit->msg (undef);
1852	}	2556	}
1853	}	2557	}
…		…
1855	sub cf::object::player::enter_exit {	2559	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2560	my ($self, $exit) = @_;
1857		2561
1858	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1859		2563
		2564	if ($exit->slaying eq "/!") {
		2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
		2568	cf::sync_job { prepare_random_map $exit };
		2569	}
		2570
		2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2572	my $hp = $exit->stats->hp;
		2573	my $sp = $exit->stats->sp;
		2574
1860	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1861		2580
1862	(async {	2581	(async {
1863	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2583	unless (eval {
1865	prepare_random_map $exit	2584	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2585
1871	1;	2586	1;
1872	}) {	2587	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2592
1878	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2594	$self->leave_link;
1880	}	2595	}
1881	})->prio (1);	2596	})->prio (1);
…		…
1894		2609
1895	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1897		2612
1898	utf8::encode $text;	2613	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2615	}
1901		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1902		2732
1903	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1904		2734
1905	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2738
1909	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2740	become reliable at some point in the future.
1911		2741
1912	=cut	2742	=cut
1913		2743
1914	sub cf::client::query {	2744	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2753	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2755
1926	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
1928	}	2760	}
1929		2761
1930	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
1931	on_reply => sub {	2768	on_reply => sub {
1932	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
1933		2770
1934	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
1935	# get handled first	2772	# get handled first
1936	my $queue = delete $ns->{query_queue}	2773	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2774	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2775
1939	(shift @$queue)->[1]->($msg);	2776	(shift @$queue)->[1]->($msg);
		2777	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2778
1941	push @{ $ns->{query_queue} }, @$queue;	2779	push @{ $ns->{query_queue} }, @$queue;
1942		2780
1943	if (@{ $ns->{query_queue} } == @$queue) {	2781	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2782	if (@$queue) {
…		…
1946	} else {	2784	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2786	}
1949	}	2787	}
1950	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
1951	);	2815	);
1952		2816
1953	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
1954		2818
1955	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
1998		2862
1999	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2000		2864
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2002		2870
2003	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2004		2872
2005	=pod	2873	=pod
2006		2874
2007	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2008		2876
2009	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2010	cf::object::player player	2881	cf::object::player
2011	cf::player peaceful	2882	player
2012	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2013		2889
2014	=cut	2890	=cut
2015		2891
2016	for (	2892	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2018	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2021	) {	2899	) {
2022	no strict 'refs';	2900	no strict 'refs';
…		…
2093	=back	2971	=back
2094		2972
2095	=cut	2973	=cut
2096		2974
2097	#############################################################################	2975	#############################################################################
		2976	# the server's init and main functions
2098		2977
2099	=head2 EXTENSION DATABASE SUPPORT	2978	sub load_facedata($) {
		2979	my ($path) = @_;
2100		2980
2101	Crossfire maintains a very simple database for extension use. It can	2981	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	2982	# for this (global event?)
2103	excludes objects.	2983	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		2984
2105	The parameter C<$family> should best start with the name of the extension	2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		2986
2108	=over 4	2987	warn "loading facedata from $path\n";
2109		2988
2110	=item $hashref = cf::db_get $family	2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
2111		2992
2112	Return a hashref for use by the extension C<$family>, which can be	2993	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		2994
2116	=item $value = cf::db_get $family => $key	2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		2997
2118	Returns a single value from the database	2998	# patch in the exptable
2119		2999	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3000	type => FT_RSRC,
2121		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3002	};
		3003	cf::cede_to_tick;
2171		3004
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3005	{
		3006	my $faces = $facedata->{faceinfo};
2176		3007
2177	sub db_get($;$) {	3008	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	3010	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	3011	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		3014
2183	sub db_put($$;$) {	3015	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3016	}
2197	);
2198	}
2199		3017
2200	#############################################################################	3018	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
2202		3028
2203	sub cfg_load {	3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3156	or return;
2206		3157
2207	local $/;	3158	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2209		3160
…		…
2223		3174
2224	sub main {	3175	sub main {
2225	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3178	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3179	(async {
2228	async { Event::one_event };	3180	Event::one_event;
		3181	})->prio (Coro::PRIO_MAX);
2229	};	3182	};
2230		3183
2231	cfg_load;	3184	reload_config;
2232	db_load;	3185	db_init;
2233	load_extensions;	3186	load_extensions;
		3187
		3188	$TICK_WATCHER->start;
2234	Event::loop;	3189	Event::loop;
2235	}	3190	}
2236		3191
2237	#############################################################################	3192	#############################################################################
2238	# initialisation and cleanup	3193	# initialisation and cleanup
2239		3194
2240	# install some emergency cleanup handlers	3195	# install some emergency cleanup handlers
2241	BEGIN {	3196	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3197	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3198	Event->signal (
		3199	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3200	data => WF_AUTOCANCEL,
2245	signal => $signal,	3201	signal => $signal,
		3202	prio => 0,
2246	cb => sub {	3203	cb => sub {
2247	cf::cleanup "SIG$signal";	3204	cf::cleanup "SIG$signal";
2248	},	3205	},
2249	);	3206	);
2250	}	3207	}
2251	}	3208	}
2252		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2253	sub emergency_save() {	3248	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2255		3250
2256	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2257		3252
2258	cf::sync_job {	3253	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3254	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3255	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3256	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3257	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3258	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3259	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3260	$pl->valid or next;
2266	$pl->save;	3261	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3267	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3268	$map->valid or next;
2274	$map->save;	3269	$map->save;
2275	}	3270	}
2276	warn "end emergency map save\n";	3271	warn "end emergency map save\n";
		3272
		3273	warn "begin emergency database checkpoint\n";
		3274	BDB::db_env_txn_checkpoint $DB_ENV;
		3275	warn "end emergency database checkpoint\n";
2277	};	3276	};
2278		3277
2279	warn "leave emergency perl save\n";	3278	warn "leave emergency perl save\n";
2280	}	3279	}
2281		3280
		3281	sub post_cleanup {
		3282	my ($make_core) = @_;
		3283
		3284	warn Carp::longmess "post_cleanup backtrace"
		3285	if $make_core;
		3286	}
		3287
2282	sub reload() {	3288	sub do_reload_perl() {
2283	# can/must only be called in main	3289	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3291	warn "can only reload from main coroutine";
2286	return;	3292	return;
2287	}	3293	}
2288		3294
2289	warn "reloading...";	3295	warn "reloading...";
2290		3296
2291	warn "freezing server";	3297	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2294		3303
2295	warn "sync database to disk";	3304	warn "syncing database to disk";
2296	cf::db_sync;	3305	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3306
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3307	# if anything goes wrong in here, we should simply crash as we already saved
2301		3308
2302	warn "cancel all watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3312	}
2306		3313
		3314	warn "flushing outstanding aio requests";
		3315	for (;;) {
		3316	BDB::flush;
		3317	IO::AIO::flush;
		3318	Coro::cede;
		3319	last unless IO::AIO::nreqs || BDB::nreqs;
		3320	warn "iterate...";
		3321	}
		3322
		3323	++$RELOAD;
		3324
2307	warn "cancel all extension coros";	3325	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3327	%EXT_CORO = ();
2310		3328
2311	warn "remove commands";	3329	warn "removing commands";
2312	%COMMAND = ();	3330	%COMMAND = ();
2313		3331
2314	warn "remove ext commands";	3332	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2316		3335
2317	warn "unload/nuke all extensions";	3336	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2320		3339
2321	if (my $cb = $pkg->can ("unload")) {	3340	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3341	eval {
…		…
2327		3346
2328	warn "... nuking $pkg";	3347	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3348	Symbol::delete_package $pkg;
2330	}	3349	}
2331		3350
2332	warn "unload all perl modules loaded from $LIBDIR";	3351	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3352	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3353	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3354
2336	warn "removing <$k>";	3355	warn "... unloading $k";
2337	delete $INC{$k};	3356	delete $INC{$k};
2338		3357
2339	$k =~ s/\.pm$//;	3358	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3359	$k =~ s/\//::/g;
2341		3360
…		…
2344	}	3363	}
2345		3364
2346	Symbol::delete_package $k;	3365	Symbol::delete_package $k;
2347	}	3366	}
2348		3367
2349	warn "get rid of safe::, as good as possible";	3368	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3371
2353	warn "unload cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2355		3375
2356	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3377	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2359		3379
		3380	warn "unload completed, starting to reload now";
		3381
2360	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2361	require cf;	3383	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3385
2364	warn "load config and database again";	3386	warn "loading config and database again";
2365	cf::cfg_load;	3387	cf::reload_config;
2366	cf::db_load;
2367		3388
2368	warn "load extensions";	3389	warn "loading extensions";
2369	cf::load_extensions;	3390	cf::load_extensions;
2370		3391
2371	warn "reattach attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3393	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3394	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2375	};	3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2376		3398
2377	if ($@) {	3399	warn "leaving sync_job";
		3400
		3401	1
		3402	} or do {
2378	warn $@;	3403	warn $@;
2379	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2380	exit 1;	3405	exit 1;
2381	}	3406	};
2382		3407
2383	warn "reloaded";	3408	warn "reloaded";
2384	};	3409	};
2385		3410
2386	#############################################################################	3411	our $RELOAD_WATCHER; # used only during reload
2387		3412
2388	unless ($LINK_MAP) {	3413	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
2390		3416
2391	$LINK_MAP->width (41);	3417	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3418	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3419	after => 0,
		3420	data => WF_AUTOCANCEL,
2401	cb => sub {	3421	cb => sub {
2402	$_[0]->w->cancel;	3422	do_reload_perl;
2403		3423	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3424	},
2422		3425	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3426	}
2428		3427
2429	register_command "reload" => sub {	3428	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2431		3430
2432	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3432	$who->message ("reloading server.");
		3433	async { reload_perl };
2436	}	3434	}
2437	};	3435	};
2438		3436
2439	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
		3438
		3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2440		3461
2441	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3463	reentrant => 0,
		3464	parked => 1,
2443	prio => 0,	3465	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3466	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3467	data => WF_AUTOCANCEL,
2446	cb => sub {	3468	cb => sub {
		3469	if ($Coro::current != $Coro::main) {
		3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3471	unless ++$bug_warning > 10;
		3472	return;
		3473	}
		3474
		3475	$NOW = $tick_start = Event::time;
		3476
2447	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2448	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2450		3481
2451	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2453		3498
2454	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3501
2457	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2459	},	3509	},
2460	);	3510	);
2461		3511
		3512	{
		3513	BDB::min_parallel 8;
2462	IO::AIO::max_poll_time $TICK * 0.2;	3514	BDB::max_poll_time $TICK * 0.1;
2463		3515	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3516	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3517	fd => BDB::poll_fileno,
2466	poll => 'r',	3518	poll => 'r',
2467	prio => 5,	3519	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
		3521	cb => \&BDB::poll_cb,
		3522	);
		3523
		3524	BDB::set_sync_prepare {
		3525	my $status;
		3526	my $current = $Coro::current;
		3527	(
		3528	sub {
		3529	$status = $!;
		3530	$current->ready; undef $current;
		3531	},
		3532	sub {
		3533	Coro::schedule while defined $current;
		3534	$! = $status;
		3535	},
		3536	)
		3537	};
		3538
		3539	unless ($DB_ENV) {
		3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556	};
		3557
		3558	cf::cleanup "db_env_open(db): $@" if $@;
		3559	};
		3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
2474	after => 0,	3563	after => 3,
2475	interval => 10,	3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
2476	cb => sub {	3568	cb => sub {
2477	(Coro::unblock_sub {	3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2478	write_runtime	3570	},
2479	or warn "ERROR: unable to write runtime file: $!";	3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
		3592	}
		3593
		3594	{
		3595	IO::AIO::min_parallel 8;
		3596
		3597	undef $Coro::AIO::WATCHER;
		3598	IO::AIO::max_poll_time $TICK * 0.1;
		3599	$AIO_POLL_WATCHER = Event->io (
		3600	reentrant => 0,
		3601	data => WF_AUTOCANCEL,
		3602	fd => IO::AIO::poll_fileno,
		3603	poll => 'r',
		3604	prio => 6,
		3605	cb => \&IO::AIO::poll_cb,
		3606	);
		3607	}
		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
2480	})->();	3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
2481	},	3644	}
2482	);	3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
2483		3649
2484	END { cf::emergency_save }	3650	END { cf::emergency_save }
2485		3651
2486	1	3652	1
2487		3653

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