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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.369 by root, Thu Sep 13 08:35:25 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
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
51		88
52	our %CFG;	89	our %CFG;
53		90
54	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	92	our $RUNTIME;
56		93
57	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		97
65	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
68	binmode STDOUT;	105	binmode STDOUT;
69	binmode STDERR;	106	binmode STDERR;
70		107
71	# read virtual server time, if available	108	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
76	}	113	}
77		114
78	mkdir cf::localdir;	115	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		117
84	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
85		121
86	#############################################################################	122	#############################################################################
87		123
88	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
89		125
…		…
96	=item $cf::RUNTIME	132	=item $cf::RUNTIME
97		133
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	135	every server tick.
100		136
101	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		140
103	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
105		145
106	=item $cf::NOW	146	=item $cf::NOW
107		147
108	The time of the last (current) server tick.	148	The time of the last (current) server tick.
109		149
110	=item $cf::TICK	150	=item $cf::TICK
111		151
112	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
113		163
114	=item %cf::CFG	164	=item %cf::CFG
115		165
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	167	from wherever your confdir points to.
118		168
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		170
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
125		180
126	=back	181	=back
127		182
128	=cut	183	=cut
129		184
130	BEGIN {	185	BEGIN {
131	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	187	my $msg = join "", @_;
133	utf8::encode $msg;
134		188
135	$msg .= "\n"	189	$msg .= "\n"
136	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		193
138	LOG llevError, $msg;	194	LOG llevError, $msg;
139	};	195	};
140	}	196	}
141		197
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		205
149	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	207	# within the Safe compartment.
151	for my $pkg (qw(	208	for my $pkg (qw(
152	cf::global cf::attachable	209	cf::global cf::attachable
…		…
160	}	217	}
161		218
162	$Event::DIED = sub {	219	$Event::DIED = sub {
163	warn "error in event callback: @_";	220	warn "error in event callback: @_";
164	};	221	};
		222
		223	#############################################################################
165		224
166	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
167		226
168	=over 4	227	=over 4
169		228
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	248	$d
190	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
191	}	250	}
192		251
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
196		253
197	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
198		255
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
207		257
208	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
209		259
210	=cut	260	=cut
211		261
212	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
214	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
216		266
217	=item cf::lock_wait $string	267	=item cf::lock_wait $string
218		268
219	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
220		270
…		…
223	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
226	returned.	276	returned.
227		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
228	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
230		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
231	=cut	288	=cut
232		289
233	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
234		292
235	sub lock_wait($) {	293	sub lock_wait($) {
236	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
237		300
238	# wait for lock, if any	301	# wait for lock, if any
239	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	304	Coro::schedule;
…		…
247		310
248	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
249	lock_wait $key;	312	lock_wait $key;
250		313
251	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
252		316
253	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
256	}	321	}
257	}	322	}
258		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
259	sub freeze_mainloop {	330	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
261		332
262	my $guard = Coro::guard { $TICK_WATCHER->start };	333	my $guard = Coro::guard {
		334	$TICK_WATCHER->start;
		335	};
263	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
264	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
265	}	394	}
266		395
267	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
268		397
269	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		403
275	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
276		405
277	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
278		407
279	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
282		412
283	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
286	fast or be very important.	416	fast or be very important.
…		…
289		419
290	sub sync_job(&) {	420	sub sync_job(&) {
291	my ($job) = @_;	421	my ($job) = @_;
292		422
293	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
294	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
296		428
297	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
309		441
310	while ($busy) {	442	while ($busy) {
311	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
312	}	444	}
313		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
314	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
315	} else {	454	} else {
316	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
317		456
318	$job->()	457	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
338		477
339	$coro	478	$coro
340	}	479	}
341		480
342	sub write_runtime {	481	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		482
345	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
346		487
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
348	or return;
349		489
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	490	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	my ($cb, @args) = @_;
352	and return;
353		492
354	aio_fsync $fh	493	# we seemingly have to make a local copy of the whole thing,
355	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
356		496
357	close $fh	497	my @res = Coro::Util::fork_eval {
358	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
359		501
360	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
361	and return;	503	}
362		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
363	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	641	}
365		642
366	=back	643	=back
367		644
368	=cut	645	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
377		654
378	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	657	Crossfire TRT).
381		658
382	=over 4	659	=over 4
383		660
384	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
385		662
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	776	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	777	our @CB_MAP = ();
501		778
502	my %attachment;	779	my %attachment;
503		780
		781	sub cf::attachable::thawer_merge {
		782	# simply override everything except _meta
		783	local $_[0]{_meta};
		784	%{$_[0]} = %{$_[1]};
		785	}
		786
504	sub _attach_cb($$$$) {	787	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	788	my ($registry, $event, $prio, $cb) = @_;
506		789
507	use sort 'stable';	790	use sort 'stable';
508		791
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
543		826
544	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		831
549	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	833	my $pkg = shift @arg;
551		834
552	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
582	}	865	}
583		866
584	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
585	} else {	868	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	870	}
588		871
589	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
590	}	873	}
591		874
…		…
593	if (ref $_[0]) {	876	if (ref $_[0]) {
594	_object_attach @_;	877	_object_attach @_;
595	} else {	878	} else {
596	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
597	}	880	}
		881	_recalc_want;
598	};	882	};
599		883
600	# all those should be optimised	884	# all those should be optimised
601	sub cf::attachable::detach {	885	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
606	reattach ($obj);	890	reattach ($obj);
607	} else {	891	} else {
608	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
609	}	893	}
		894	_recalc_want;
610	};	895	};
611		896
612	sub cf::attachable::attached {	897	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
614		899
…		…
629	";	914	";
630	die if $@;	915	die if $@;
631	}	916	}
632		917
633	our $override;	918	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		920
636	sub override {	921	sub override {
637	$override = 1;	922	$override = 1;
638	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
639	}	924	}
640		925
641	sub do_invoke {	926	sub do_invoke {
642	my $event = shift;	927	my $event = shift;
643	my $callbacks = shift;	928	my $callbacks = shift;
644		929
645	@invoke_results = ();	930	@INVOKE_RESULTS = ();
646		931
647	local $override;	932	local $override;
648		933
649	for (@$callbacks) {	934	for (@$callbacks) {
650	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
667		952
668	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
669		954
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		958
674	=back	959	=back
675		960
676	=cut	961	=cut
677		962
678	#############################################################################	963	#############################################################################
679	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
680		976
681	sub reattach {	977	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	979	my ($obj) = @_;
		980
		981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		982
685	my $registry = $obj->registry;	983	my $registry = $obj->registry;
686		984
687	@$registry = ();	985	@$registry = ();
688		986
…		…
727	);	1025	);
728		1026
729	sub object_freezer_save {	1027	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
731		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
732	sync_job {	1032	sync_job {
733	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
736		1037
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1042	close $fh;
742		1043
743	if (@$objs) {	1044	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1050	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
751	}	1052	}
752	} else {	1053	} else {
753	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
759	}	1060	}
760	} else {	1061	} else {
761	aio_unlink $filename;	1062	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
763	}	1064	}
764	}	1065	};
		1066
		1067	undef $guard;
765	}	1068	}
766		1069
767	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
769		1072
…		…
774		1077
775	sub object_thawer_load {	1078	sub object_thawer_load {
776	my ($filename) = @_;	1079	my ($filename) = @_;
777		1080
778	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
779		1084
780	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
781	or return;	1086	or return;
782		1087
783	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
785	or return;	1090	or return;
		1091
		1092	undef $guard;
786	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1094	}
788		1095
		1096	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
791	return ($data, $av);	1100	($data, $av)
792	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
793		1108
794	#############################################################################	1109	#############################################################################
795	# command handling &c	1110	# command handling &c
796		1111
797	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1126	}
812		1127
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1129
815	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
816		1135
817	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
818	called.	1137	called.
819		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
820	=cut	1150	=cut
821		1151
822	sub register_extcmd {	1152	sub register_extcmd {
823	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
824		1154
825	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
826	}	1162	}
827		1163
828	cf::player->attach (	1164	cf::player->attach (
829	on_command => sub {	1165	on_command => sub {
830	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1175	cf::override;
840	},	1176	},
841	on_extcmd => sub {	1177	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
843		1179
844	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1181
846	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
852	} else {	1197	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1199	}
855		1200
856	cf::override;	1201	cf::override;
857	},	1202	},
858	);	1203	);
859		1204
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
895	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1210	next unless -r $path;
897	eval {	1211
898	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
899	1	1269	}
900	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
901	}	1275	};
902	}	1276	}
903		1277
904	#############################################################################	1278	#############################################################################
905		1279
		1280	=back
		1281
906	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
907		1283
908	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
909		1285
910	=cut	1286	=cut
…		…
915		1291
916	=head3 cf::player	1292	=head3 cf::player
917		1293
918	=over 4	1294	=over 4
919		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
920	=item cf::player::find $login	1310	=item cf::player::find $login
921		1311
922	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
923		1313
924	=cut	1314	=cut
925		1315
926	sub playerdir($) {	1316	sub playerdir($) {
927	cf::localdir	1317	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1319	}
933		1320
934	sub path($) {	1321	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1323
937	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
938	}	1325	}
939		1326
940	sub find_active($) {	1327	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
945		1332
946	sub exists($) {	1333	sub exists($) {
947	my ($login) = @_;	1334	my ($login) = @_;
948		1335
949	$cf::PLAYER{$login}	1336	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1337	or cf::sync_job { !aio_stat path $login }
951	}	1338	}
952		1339
953	sub find($) {	1340	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1341	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1342	my $login = $_[0];
956		1343
957	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
958		1345
959	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
961	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
963	}	1363	}
964	}	1364	}
965	}	1365	}
966		1366
…		…
976		1376
977	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
979		1379
980	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
981	Coro::cede;	1381	cf::cede_to_tick;
982	}	1382	}
983		1383
984	sub new($) {	1384	sub new($) {
985	my ($login) = @_;	1385	my ($login) = @_;
986		1386
…		…
992	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
993		1393
994	$self	1394	$self
995	}	1395	}
996		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
997	=item $pl->quit_character	1407	=item $pl->quit_character
998		1408
999	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1001		1411
1002	=cut	1412	=cut
1003		1413
1004	sub quit_character {	1414	sub quit_character {
1005	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1006		1418
1007	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1421
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1020	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1021	}	1453	}
1022		1454
1023	=item cf::player::list_logins	1455	=item cf::player::list_logins
1024		1456
1025	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1027		1459
1028	=cut	1460	=cut
1029		1461
1030	sub list_logins {	1462	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1464	or return [];
1033		1465
1034	my @logins;	1466	my @logins;
1035		1467
1036	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1040		1477
1041	utf8::decode $login;	1478	utf8::decode $login;
1042	push @logins, $login;	1479	push @logins, $login;
1043	}	1480	}
1044		1481
…		…
1052		1489
1053	=cut	1490	=cut
1054		1491
1055	sub maps($) {	1492	sub maps($) {
1056	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1496
1058	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1059	or return;	1498	or return;
1060		1499
1061	my @paths;	1500	my @paths;
…		…
1063	for (@$files) {	1502	for (@$files) {
1064	utf8::decode $_;	1503	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1067		1506
1068	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1508	}
1071		1509
1072	\@paths	1510	\@paths
1073	}	1511	}
1074		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1076		1565
1077	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1078		1567
1079	=cut	1568	=cut
1080		1569
1081	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1083		1572
1084	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1574	}
1088		1575
1089	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1090		1616
1091	=back	1617	=back
1092
1093		1618
1094	=head3 cf::map	1619	=head3 cf::map
1095		1620
1096	=over 4	1621	=over 4
1097		1622
…		…
1101		1626
1102	use Fcntl;	1627	use Fcntl;
1103	use Coro::AIO;	1628	use Coro::AIO;
1104		1629
1105	use overload	1630	use overload
1106	'""' => \&as_string;	1631	'""' => \&as_string,
		1632	fallback => 1;
1107		1633
1108	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1110		1636
1111	sub generate_random_map {	1637	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1640	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1652	)
1128	}	1653	}
1129		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
1130	sub register {	1663	sub register {
1131	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1665	my $pkg = caller;
1133		1666
1134	no strict;	1667	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1669
1137	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1671	}
1139		1672
1140	# also paths starting with '/'	1673	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
1142		1685
1143	sub normalise {	1686	sub normalise {
1144	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1145		1692
1146	# map plan:	1693	# map plan:
1147	#	1694	#
1148	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1177		1724
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1726
1180	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1181		1728
1182	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1187	return $self;	1734	return $self;
1188	}	1735	}
1189	}	1736	}
1190		1737
1191	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1739	()
1193	}	1740	}
1194		1741
1195	sub init {	1742	sub init {
1196	my ($self) = @_;	1743	my ($self) = @_;
…		…
1211		1758
1212	# the original (read-only) location	1759	# the original (read-only) location
1213	sub load_path {	1760	sub load_path {
1214	my ($self) = @_;	1761	my ($self) = @_;
1215		1762
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1217	}	1764	}
1218		1765
1219	# the temporary/swap location	1766	# the temporary/swap location
1220	sub save_path {	1767	sub save_path {
1221	my ($self) = @_;	1768	my ($self) = @_;
1222		1769
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1225	}	1772	}
1226		1773
1227	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1228	sub uniq_path {	1775	sub uniq_path {
1229	my ($self) = @_;	1776	my ($self) = @_;
1230		1777
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1233	}	1780	}
1234		1781
1235	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1236	# all maps in C++...	1783	# all maps in C++...
1237	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1239		1786
1240	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1242	}	1789	}
1243		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1244	sub unlink_save {	1799	sub unlink_save {
1245	my ($self) = @_;	1800	my ($self) = @_;
1246		1801
1247	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1805	}
1251		1806
1252	sub load_header_from($) {	1807	sub load_header_from($) {
1253	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1254		1809
1255	utf8::encode $path;	1810	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1257	or return;	1812	or return;
1258		1813
1259	$self->_load_header ($path)	1814	$self->_load_header ($f)
1260	or return;	1815	or return;
1261		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1262	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1263		1821
1264	1	1822	1
1265	}	1823	}
1266		1824
1267	sub load_orig {	1825	sub load_header_orig {
1268	my ($self) = @_;	1826	my ($self) = @_;
1269		1827
1270	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1271	}	1829	}
1272		1830
1273	sub load_temp {	1831	sub load_header_temp {
1274	my ($self) = @_;	1832	my ($self) = @_;
1275		1833
1276	$self->load_header_from ($self->save_path)	1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
1277	}	1854	}
1278		1855
1279	sub load_header {	1856	sub load_header {
1280	my ($self) = @_;	1857	my ($self) = @_;
1281		1858
1282	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1861	} else {
1289	$self->load_orig	1862	$self->load_header_orig
1290	or return;	1863	or return;
1291		1864	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1865	}
		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
1297		1872
1298	1	1873	1
1299	}	1874	}
1300		1875
1301	sub find;	1876	sub find;
1302	sub find {	1877	sub find {
1303	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1304		1879
1305	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1306		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1308		1884
1309	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1311	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1312	or return;	1890	or return;
1313		1891
1314	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1315		1893
1316	$map->load_header	1894	$map->load_header
1317	or return;	1895	or return;
1318		1896
1319	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1320	$map->reset;	1902	$map->reset;
1321	undef $guard;
1322	$map = find $path	1903	return find $path;
1323	or return;
1324	}	1904	}
1325		1905
1326	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1327	}	1907	}
1328	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1329		1912
1330	sub load {	1913	sub load {
1331	my ($self) = @_;	1914	my ($self) = @_;
1332		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1333	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1335		1922
		1923	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1925
1338	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1339		1927
1340	$self->alloc;	1928	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1342	or return;	1936	or return;
1343		1937
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1939	if delete $self->{load_original};
1346		1940
1347	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1942	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1945	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1352	}	1949	}
1353	}	1950	}
1354		1951
1355	Coro::cede;	1952	$f->resolve_delayed_derefs;
1356		1953
		1954	cf::cede_to_tick;
1357	# now do the right thing for maps	1955	# now do the right thing for maps
1358	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1958	unless $self->difficulty;
1368	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1369	$self->activate;	1968	$self->activate;
1370	}	1969	}
1371		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1373	}	1978	}
1374		1979
1375	sub customise_for {	1980	sub customise_for {
1376	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1377		1982
1378	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1984	if $self->per_player;
1380		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1381	$self	1989	$self
1382	}	1990	}
1383		1991
1384	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1993	sub load_neighbours {
1386	my ($map) = @_;	1994	my ($map) = @_;
1387		1995
1388	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1389		1997
1390	for (0 .. 3) {	1998	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1392	or next;	2000	or next;
1393	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1394	or next;	2002	or next;
1395	$neigh->load;	2003	$neigh->load;
1396		2004
		2005	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2008	}
1400		2009
1401	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1403	or next;	2013	or next;
1404	$neigh->load;	2014	$neigh->load;
1405	}	2015	}
1406	}	2016	}
1407		2017
…		…
1412	}	2022	}
1413		2023
1414	sub do_load_sync {	2024	sub do_load_sync {
1415	my ($map) = @_;	2025	my ($map) = @_;
1416		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1417	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1418	}	2031	}
1419		2032
1420	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2035
1434	sub find_async {	2036	sub find_async {
1435	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1436		2038
1437	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1438		2040
1439	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1441	}	2058	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1445		2060
1446	()	2061	()
1447	}	2062	}
1448		2063
1449	sub save {	2064	sub save {
1450	my ($self) = @_;	2065	my ($self) = @_;
1451		2066
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2068
1454	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1455		2070
1456	return unless $self->dirty;	2071	return unless $self->dirty;
1457		2072
…		…
1480	my ($self) = @_;	2095	my ($self) = @_;
1481		2096
1482	# save first because save cedes	2097	# save first because save cedes
1483	$self->save;	2098	$self->save;
1484		2099
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2101
1487	return if $self->players;	2102	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2104	return if $self->{deny_save};
1490		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2110	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2111	}
1494		2112
1495	sub reset_at {	2113	sub reset_at {
1496	my ($self) = @_;	2114	my ($self) = @_;
1497		2115
1498	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1501		2118
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2121
…		…
1509	my ($self) = @_;	2126	my ($self) = @_;
1510		2127
1511	$self->reset_at <= $cf::RUNTIME	2128	$self->reset_at <= $cf::RUNTIME
1512	}	2129	}
1513		2130
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2131	sub reset {
1529	my ($self) = @_;	2132	my ($self) = @_;
1530		2133
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2135
1533	return if $self->players;	2136	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2137
1536	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1537		2149
1538	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1539		2151
1540	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2154	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2155
1545	$self->unlink_save;	2156	$self->unlink_save;
1546	$self->destroy;	2157	$self->destroy;
1547	}	2158	}
1548		2159
1549	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1550		2161
1551	sub nuke {	2162	sub nuke {
1552	my ($self) = @_;	2163	my ($self) = @_;
1553		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
		2168	delete $cf::MAP{$self->path};
		2169
		2170	$self->unlink_save;
		2171
		2172	bless $self, "cf::map";
		2173	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2177
		2178	$cf::MAP{$self->path} = $self;
		2179	}
		2180
1557	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1558	}	2218	}
1559		2219
1560	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1561		2221
1562	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2223	instantiated unique items. May block.
1564		2224
1565	=cut	2225	=cut
1566		2226
1567	sub unique_maps() {	2227	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1569	or return;	2229	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2230	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2231	/\.map$/
1579	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2235	]
1581
1582	\@paths
1583	}	2236	}
1584		2237
1585	package cf;	2238	package cf;
1586		2239
1587	=back	2240	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1606	}	2259	}
1607		2260
1608	sub inv_recursive {	2261	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1610	}	2294	}
1611		2295
1612	package cf;	2296	package cf;
1613		2297
1614	=back	2298	=back
…		…
1633		2317
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2319
1636	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1638	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1641	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1642	}	2345	}
1643		2346
1644	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1645		2348
1646	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2381	=cut
1679		2382
1680	sub link_map {	2383	sub link_map {
1681	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2387	$LINK_MAP->load;
1685	}	2388	}
1686		2389
1687	$LINK_MAP	2390	$LINK_MAP
1688	}	2391	}
…		…
1693	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1694		2397
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2399
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1699		2402
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2404	}
1702		2405
1703	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1705		2410
1706	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1707		2412
1708	unless ($map) {	2413	unless ($map) {
1709	# restore original map position	2414	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1726		2431
1727	$map->load;	2432	$map->load;
1728	$map->load_diag;	2433	$map->load_neighbours;
1729		2434
1730	return unless $self->contr->active;	2435	return unless $self->contr->active;
1731	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1733	}	2440	}
1734		2441
1735	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2443
1739	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1743	};	2448	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2449
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1770		2453
1771	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2459
1774	$self->enter_link;	2460	$self->enter_link;
1775		2461
1776	(async {	2462	(async {
1777	my $map = cf::map::find $path;	2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1779		2487	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1784		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1786	})->prio (1);	2506	})->prio (1);
1787	}	2507	}
1788		2508
1789	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1790		2510
…		…
1792		2512
1793	sub parse_random_map_params {	2513	sub parse_random_map_params {
1794	my ($spec) = @_;	2514	my ($spec) = @_;
1795		2515
1796	my $rmp = { # defaults	2516	my $rmp = { # defaults
1797	xsize => 10,	2517	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1799	};	2521	};
1800		2522
1801	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1803		2525
…		…
1807	$rmp	2529	$rmp
1808	}	2530	}
1809		2531
1810	sub prepare_random_map {	2532	sub prepare_random_map {
1811	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2536
1813	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2539	# that depends on the exit object
1816		2540
1817	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1818		2542
1819	if ($exit->map) {	2543	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1824	}	2548	}
1825		2549
1826	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1827		2551
1828	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
		2554	my $meta = "$RANDOMDIR/$md5.meta";
1830		2555
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
		2558	undef $fh;
		2559	aio_rename "$meta~", $meta;
1833		2560
1834	$exit->slaying ("?random/$md5");	2561	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2562	$exit->msg (undef);
1836	}	2563	}
1837	}	2564	}
…		…
1839	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1841		2568
1842	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1843		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1844	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1845		2587
1846	(async {	2588	(async {
1847	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2590	unless (eval {
1849	prepare_random_map $exit	2591	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2592
1855	1;	2593	1;
1856	}) {	2594	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2599
1862	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2601	$self->leave_link;
1864	}	2602	}
1865	})->prio (1);	2603	})->prio (1);
…		…
1878		2616
1879	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1881		2619
1882	utf8::encode $text;	2620	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2622	}
1885		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1886		2739
1887	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1888		2741
1889	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2745
1893	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2747	become reliable at some point in the future.
1895		2748
1896	=cut	2749	=cut
1897		2750
1898	sub cf::client::query {	2751	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2760	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2762
1910	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
1912	}	2767	}
1913		2768
1914	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
1915	on_reply => sub {	2775	on_reply => sub {
1916	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
1917		2777
1918	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
1919	# get handled first	2779	# get handled first
1920	my $queue = delete $ns->{query_queue}	2780	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2781	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2782
1923	(shift @$queue)->[1]->($msg);	2783	(shift @$queue)->[1]->($msg);
		2784	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2785
1925	push @{ $ns->{query_queue} }, @$queue;	2786	push @{ $ns->{query_queue} }, @$queue;
1926		2787
1927	if (@{ $ns->{query_queue} } == @$queue) {	2788	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2789	if (@$queue) {
…		…
1930	} else {	2791	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2793	}
1933	}	2794	}
1934	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
1935	);	2822	);
1936		2823
1937	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
1938		2825
1939	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
1982		2869
1983	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
1984		2871
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
1986		2877
1987	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
1988		2879
1989	=pod	2880	=pod
1990		2881
1991	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
1992		2883
1993	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
1994	cf::object::player player	2888	cf::object::player
1995	cf::player peaceful	2889	player
1996	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
1997		2896
1998	=cut	2897	=cut
1999		2898
2000	for (	2899	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2005	) {	2906	) {
2006	no strict 'refs';	2907	no strict 'refs';
…		…
2077	=back	2978	=back
2078		2979
2079	=cut	2980	=cut
2080		2981
2081	#############################################################################	2982	#############################################################################
		2983	# the server's init and main functions
2082		2984
2083	=head2 EXTENSION DATABASE SUPPORT	2985	sub load_facedata($) {
		2986	my ($path) = @_;
2084		2987
2085	Crossfire maintains a very simple database for extension use. It can	2988	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2989	# for this (global event?)
2087	excludes objects.	2990	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2991
2089	The parameter C<$family> should best start with the name of the extension	2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2993
2092	=over 4	2994	warn "loading facedata from $path\n";
2093		2995
2094	=item $hashref = cf::db_get $family	2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
2095		2999
2096	Return a hashref for use by the extension C<$family>, which can be	3000	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3001
2100	=item $value = cf::db_get $family => $key	3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3004
2102	Returns a single value from the database	3005	# patch in the exptable
2103		3006	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3007	type => FT_RSRC,
2105		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3009	};
		3010	cf::cede_to_tick;
2155		3011
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3012	{
		3013	my $faces = $facedata->{faceinfo};
2160		3014
2161	sub db_get($;$) {	3015	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	3017	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	3018	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		3021
2167	sub db_put($$;$) {	3022	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3023	}
2181	);
2182	}
2183		3024
2184	#############################################################################	3025	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
2186		3035
2187	sub cfg_load {	3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3163	or return;
2190		3164
2191	local $/;	3165	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2193		3167
…		…
2207		3181
2208	sub main {	3182	sub main {
2209	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3186	(async {
2212	async { Event::one_event };	3187	Event::one_event;
		3188	})->prio (Coro::PRIO_MAX);
2213	};	3189	};
2214		3190
2215	cfg_load;	3191	reload_config;
2216	db_load;	3192	db_init;
2217	load_extensions;	3193	load_extensions;
		3194
		3195	$TICK_WATCHER->start;
2218	Event::loop;	3196	Event::loop;
2219	}	3197	}
2220		3198
2221	#############################################################################	3199	#############################################################################
2222	# initialisation and cleanup	3200	# initialisation and cleanup
2223		3201
2224	# install some emergency cleanup handlers	3202	# install some emergency cleanup handlers
2225	BEGIN {	3203	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3204	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3205	Event->signal (
		3206	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3207	data => WF_AUTOCANCEL,
2229	signal => $signal,	3208	signal => $signal,
		3209	prio => 0,
2230	cb => sub {	3210	cb => sub {
2231	cf::cleanup "SIG$signal";	3211	cf::cleanup "SIG$signal";
2232	},	3212	},
2233	);	3213	);
2234	}	3214	}
		3215	}
		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
2235	}	3253	}
2236		3254
2237	sub emergency_save() {	3255	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2239		3257
…		…
2256	my $map = $cf::MAP{$path} or next;	3274	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3275	$map->valid or next;
2258	$map->save;	3276	$map->save;
2259	}	3277	}
2260	warn "end emergency map save\n";	3278	warn "end emergency map save\n";
		3279
		3280	warn "begin emergency database checkpoint\n";
		3281	BDB::db_env_txn_checkpoint $DB_ENV;
		3282	warn "end emergency database checkpoint\n";
2261	};	3283	};
2262		3284
2263	warn "leave emergency perl save\n";	3285	warn "leave emergency perl save\n";
2264	}	3286	}
2265		3287
		3288	sub post_cleanup {
		3289	my ($make_core) = @_;
		3290
		3291	warn Carp::longmess "post_cleanup backtrace"
		3292	if $make_core;
		3293	}
		3294
2266	sub reload() {	3295	sub do_reload_perl() {
2267	# can/must only be called in main	3296	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3298	warn "can only reload from main coroutine";
2270	return;	3299	return;
2271	}	3300	}
2272		3301
2273	warn "reloading...";	3302	warn "reloading...";
2274		3303
2275	warn "freezing server";	3304	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3305
		3306	cf::sync_job {
		3307	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3308	cf::emergency_save;
		3309	cf::write_runtime; # external watchdog should not bark
2278		3310
2279	warn "sync database to disk";	3311	warn "syncing database to disk";
2280	cf::db_sync;	3312	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3313
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3314	# if anything goes wrong in here, we should simply crash as we already saved
2285		3315
2286	warn "cancel all watchers";	3316	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3317	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3318	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3319	}
2290		3320
		3321	warn "flushing outstanding aio requests";
		3322	for (;;) {
		3323	BDB::flush;
		3324	IO::AIO::flush;
		3325	Coro::cede;
		3326	last unless IO::AIO::nreqs || BDB::nreqs;
		3327	warn "iterate...";
		3328	}
		3329
		3330	++$RELOAD;
		3331
2291	warn "cancel all extension coros";	3332	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3334	%EXT_CORO = ();
2294		3335
2295	warn "remove commands";	3336	warn "removing commands";
2296	%COMMAND = ();	3337	%COMMAND = ();
2297		3338
2298	warn "remove ext commands";	3339	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2300		3342
2301	warn "unload/nuke all extensions";	3343	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2304		3346
2305	if (my $cb = $pkg->can ("unload")) {	3347	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3348	eval {
…		…
2311		3353
2312	warn "... nuking $pkg";	3354	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3355	Symbol::delete_package $pkg;
2314	}	3356	}
2315		3357
2316	warn "unload all perl modules loaded from $LIBDIR";	3358	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3359	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3361
2320	warn "removing <$k>";	3362	warn "... unloading $k";
2321	delete $INC{$k};	3363	delete $INC{$k};
2322		3364
2323	$k =~ s/\.pm$//;	3365	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3366	$k =~ s/\//::/g;
2325		3367
…		…
2328	}	3370	}
2329		3371
2330	Symbol::delete_package $k;	3372	Symbol::delete_package $k;
2331	}	3373	}
2332		3374
2333	warn "get rid of safe::, as good as possible";	3375	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3378
2337	warn "unload cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2339		3382
2340	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3384	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2343		3386
		3387	warn "unload completed, starting to reload now";
		3388
2344	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2345	require cf;	3390	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3392
2348	warn "load config and database again";	3393	warn "loading config and database again";
2349	cf::cfg_load;	3394	cf::reload_config;
2350	cf::db_load;
2351		3395
2352	warn "load extensions";	3396	warn "loading extensions";
2353	cf::load_extensions;	3397	cf::load_extensions;
2354		3398
2355	warn "reattach attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3400	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3401	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2359	};	3403	warn "reattaching attachments to players";
		3404	reattach $_ for values %PLAYER;
2360		3405
2361	if ($@) {	3406	warn "leaving sync_job";
		3407
		3408	1
		3409	} or do {
2362	warn $@;	3410	warn $@;
2363	warn "error while reloading, exiting.";	3411	warn "error while reloading, exiting.";
2364	exit 1;	3412	exit 1;
2365	}	3413	};
2366		3414
2367	warn "reloaded";	3415	warn "reloaded";
2368	};	3416	};
2369		3417
		3418	our $RELOAD_WATCHER; # used only during reload
		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2370	register_command "reload" => sub {	3435	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2372		3437
2373	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3439	$who->message ("reloading server.");
		3440	async { reload_perl };
2377	}	3441	}
2378	};	3442	};
2379		3443
2380	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
		3445
		3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
		3468
		3469	our $stat_fh;
		3470	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2381		3471
2382	$TICK_WATCHER = Event->timer (	3472	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3473	reentrant => 0,
		3474	parked => 1,
2384	prio => 0,	3475	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3476	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3477	data => WF_AUTOCANCEL,
2387	cb => sub {	3478	cb => sub {
		3479	if ($Coro::current != $Coro::main) {
		3480	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3481	unless ++$bug_warning > 10;
		3482	return;
		3483	}
		3484
		3485	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3486
2388	$NOW = Event::time;	3487	$NOW = $tick_start = Event::time;
2389		3488
2390	cf::server_tick; # one server iteration	3489	cf::server_tick; # one server iteration
		3490
2391	$RUNTIME += $TICK;	3491	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3492	$NEXT_TICK += $TICK;
2393		3493
2394	$WAIT_FOR_TICK->broadcast;	3494	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3495	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3496	Coro::async_pool {
		3497	write_runtime
		3498	or warn "ERROR: unable to write runtime file: $!";
		3499	};
		3500	}
		3501
		3502	# my $AFTER = Event::time;
		3503	# warn $AFTER - $NOW;#d#
		3504
		3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
2396		3513
2397	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3516
2400	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
		3524
		3525	# gather some statistics#d#
		3526	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3527	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2402	},	3528	},
2403	);	3529	);
2404		3530
		3531	{
		3532	BDB::min_parallel 8;
2405	IO::AIO::max_poll_time $TICK * 0.2;	3533	BDB::max_poll_time $TICK * 0.1;
2406		3534	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3535	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3536	fd => BDB::poll_fileno,
2409	poll => 'r',	3537	poll => 'r',
2410	prio => 5,	3538	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3539	data => WF_AUTOCANCEL,
		3540	cb => \&BDB::poll_cb,
		3541	);
		3542
		3543	BDB::set_sync_prepare {
		3544	my $status;
		3545	my $current = $Coro::current;
		3546	(
		3547	sub {
		3548	$status = $!;
		3549	$current->ready; undef $current;
		3550	},
		3551	sub {
		3552	Coro::schedule while defined $current;
		3553	$! = $status;
		3554	},
		3555	)
		3556	};
		3557
		3558	unless ($DB_ENV) {
		3559	$DB_ENV = BDB::db_env_create;
		3560
		3561	cf::sync_job {
		3562	eval {
		3563	BDB::db_env_open
		3564	$DB_ENV,
		3565	$BDBDIR,
		3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3568	0666;
		3569
		3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3571
		3572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3573	| BDB::LOG_AUTOREMOVE, 1);
		3574	$DB_ENV->set_lk_detect;
		3575	};
		3576
		3577	cf::cleanup "db_env_open(db): $@" if $@;
		3578	};
		3579	}
		3580
		3581	$BDB_CHECKPOINT_WATCHER = Event->timer (
2417	after => 0,	3582	after => 11,
2418	interval => 10,	3583	interval => 60,
		3584	hard => 1,
		3585	prio => 0,
		3586	data => WF_AUTOCANCEL,
2419	cb => sub {	3587	cb => sub {
2420	(Coro::unblock_sub {	3588	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2421	write_runtime	3589	},
2422	or warn "ERROR: unable to write runtime file: $!";	3590	);
		3591	$BDB_TRICKLE_WATCHER = Event->timer (
		3592	after => 5,
		3593	interval => 10,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3599	},
		3600	);
		3601	}
		3602
		3603	{
		3604	IO::AIO::min_parallel 8;
		3605
		3606	undef $Coro::AIO::WATCHER;
		3607	IO::AIO::max_poll_time $TICK * 0.1;
		3608	$AIO_POLL_WATCHER = Event->io (
		3609	reentrant => 0,
		3610	data => WF_AUTOCANCEL,
		3611	fd => IO::AIO::poll_fileno,
		3612	poll => 'r',
		3613	prio => 6,
		3614	cb => \&IO::AIO::poll_cb,
		3615	);
		3616	}
		3617
		3618	my $_log_backtrace;
		3619
		3620	sub _log_backtrace {
		3621	my ($msg, @addr) = @_;
		3622
		3623	$msg =~ s/\n//;
		3624
		3625	# limit the # of concurrent backtraces
		3626	if ($_log_backtrace < 2) {
		3627	++$_log_backtrace;
		3628	async {
		3629	my @bt = fork_call {
		3630	@addr = map { sprintf "%x", $_ } @addr;
		3631	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3632	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3633	or die "addr2line: $!";
		3634
		3635	my @funcs;
		3636	my @res = <$fh>;
		3637	chomp for @res;
		3638	while (@res) {
		3639	my ($func, $line) = splice @res, 0, 2, ();
		3640	push @funcs, "[$func] $line";
		3641	}
		3642
		3643	@funcs
		3644	};
		3645
		3646	LOG llevInfo, "[ABT] $msg\n";
		3647	LOG llevInfo, "[ABT] $_\n" for @bt;
		3648	--$_log_backtrace;
2423	})->();	3649	};
		3650	} else {
		3651	LOG llevInfo, "[ABT] $msg\n";
		3652	LOG llevInfo, "[ABT] [suppressed]\n";
2424	},	3653	}
2425	);	3654	}
		3655
		3656	# load additional modules
		3657	use cf::pod;
2426		3658
2427	END { cf::emergency_save }	3659	END { cf::emergency_save }
2428		3660
2429	1	3661	1
2430		3662

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