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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
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;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	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 $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
225	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
228	returned.	274	returned.
229		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
230	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
232		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
233	=cut	286	=cut
234		287
235	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
236		290
237	sub lock_wait($) {	291	sub lock_wait($) {
238	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
239		298
240	# wait for lock, if any	299	# wait for lock, if any
241	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	302	Coro::schedule;
…		…
249		308
250	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
251	lock_wait $key;	310	lock_wait $key;
252		311
253	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
254		314
255	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
258	}	319	}
259	}	320	}
260		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
261	sub freeze_mainloop {	328	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
263		330
264	my $guard = Coro::guard {	331	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	332	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	333	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
270	$guard	335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
271	}	392	}
272		393
273	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
274		395
275	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		401
281	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
282		403
283	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
284		405
285	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
288		410
289	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
292	fast or be very important.	414	fast or be very important.
…		…
295		417
296	sub sync_job(&) {	418	sub sync_job(&) {
297	my ($job) = @_;	419	my ($job) = @_;
298		420
299	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
300	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
302		426
303	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
315		439
316	while ($busy) {	440	while ($busy) {
317	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
318	}	442	}
319		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
320	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
321	} else {	452	} else {
322	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
323		454
324	$job->()	455	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
344		475
345	$coro	476	$coro
346	}	477	}
347		478
348	sub write_runtime {	479	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		480
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
352	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
353		485
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	486	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		487
358	aio_fsync $fh	488	sub fork_call(&@) {
359	and return;	489	my ($cb, @args) = @_;
360		490
361	close $fh	491	# we seemingly have to make a local copy of the whole thing,
362	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
363		494
364	aio_rename "$runtime~", $runtime	495	my @res = Coro::Util::fork_eval {
365	and return;	496	reset_signals;
		497	&$cb
		498	}, @args;
366		499
		500	wantarray ? @res : $res[-1]
		501	}
		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
367	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	628	}
369		629
370	=back	630	=back
371		631
372	=cut	632	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
381		641
382	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	644	Crossfire TRT).
385		645
386	=over 4	646	=over 4
387		647
388	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
389		649
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	764	our @CB_MAP = ();
505		765
506	my %attachment;	766	my %attachment;
507		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
508	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
510		776
511	use sort 'stable';	777	use sort 'stable';
512		778
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
547		813
548	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		818
553	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	820	my $pkg = shift @arg;
555		821
556	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
586	}	852	}
587		853
588	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
589	} else {	855	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	857	}
592		858
593	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
594	}	860	}
595		861
…		…
597	if (ref $_[0]) {	863	if (ref $_[0]) {
598	_object_attach @_;	864	_object_attach @_;
599	} else {	865	} else {
600	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
601	}	867	}
		868	_recalc_want;
602	};	869	};
603		870
604	# all those should be optimised	871	# all those should be optimised
605	sub cf::attachable::detach {	872	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
610	reattach ($obj);	877	reattach ($obj);
611	} else {	878	} else {
612	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
613	}	880	}
		881	_recalc_want;
614	};	882	};
615		883
616	sub cf::attachable::attached {	884	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
618		886
…		…
633	";	901	";
634	die if $@;	902	die if $@;
635	}	903	}
636		904
637	our $override;	905	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		907
640	sub override {	908	sub override {
641	$override = 1;	909	$override = 1;
642	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
643	}	911	}
644		912
645	sub do_invoke {	913	sub do_invoke {
646	my $event = shift;	914	my $event = shift;
647	my $callbacks = shift;	915	my $callbacks = shift;
648		916
649	@invoke_results = ();	917	@INVOKE_RESULTS = ();
650		918
651	local $override;	919	local $override;
652		920
653	for (@$callbacks) {	921	for (@$callbacks) {
654	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
671		939
672	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
673		941
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		945
678	=back	946	=back
679		947
680	=cut	948	=cut
681		949
682	#############################################################################	950	#############################################################################
683	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
684		963
685	sub reattach {	964	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		969
689	my $registry = $obj->registry;	970	my $registry = $obj->registry;
690		971
691	@$registry = ();	972	@$registry = ();
692		973
…		…
731	);	1012	);
732		1013
733	sub object_freezer_save {	1014	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
735		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
736	sync_job {	1019	sync_job {
737	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
740		1024
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1029	close $fh;
746		1030
747	if (@$objs) {	1031	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1037	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
755	}	1039	}
756	} else {	1040	} else {
757	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
763	}	1047	}
764	} else {	1048	} else {
765	aio_unlink $filename;	1049	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
767	}	1051	}
768	}	1052	};
		1053
		1054	undef $guard;
769	}	1055	}
770		1056
771	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
773		1059
…		…
778		1064
779	sub object_thawer_load {	1065	sub object_thawer_load {
780	my ($filename) = @_;	1066	my ($filename) = @_;
781		1067
782	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
783		1071
784	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
785	or return;	1073	or return;
786		1074
787	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
789	or return;	1077	or return;
		1078
		1079	undef $guard;
790	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1081	}
792		1082
		1083	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
795	return ($data, $av);	1087	($data, $av)
796	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
797		1095
798	#############################################################################	1096	#############################################################################
799	# command handling &c	1097	# command handling &c
800		1098
801	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1113	}
816		1114
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1116
819	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
820		1122
821	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
822	called.	1124	called.
823		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
824	=cut	1137	=cut
825		1138
826	sub register_extcmd {	1139	sub register_extcmd {
827	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
828		1141
829	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
830	}	1149	}
831		1150
832	cf::player->attach (	1151	cf::player->attach (
833	on_command => sub {	1152	on_command => sub {
834	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1162	cf::override;
844	},	1163	},
845	on_extcmd => sub {	1164	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
847		1166
848	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1168
850	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
856	} else {	1184	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1186	}
859		1187
860	cf::override;	1188	cf::override;
861	},	1189	},
862	);	1190	);
863		1191
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
899	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1197	next unless -r $path;
901	eval {	1198
902	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
903	1	1256	}
904	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
905	}	1262	};
906	}	1263	}
907		1264
908	#############################################################################	1265	#############################################################################
909		1266
		1267	=back
		1268
910	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
911		1270
912	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
913		1272
914	=cut	1273	=cut
…		…
919		1278
920	=head3 cf::player	1279	=head3 cf::player
921		1280
922	=over 4	1281	=over 4
923		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
924	=item cf::player::find $login	1297	=item cf::player::find $login
925		1298
926	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
927		1300
928	=cut	1301	=cut
929		1302
930	sub playerdir($) {	1303	sub playerdir($) {
931	cf::localdir	1304	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1306	}
937		1307
938	sub path($) {	1308	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1310
941	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
942	}	1312	}
943		1313
944	sub find_active($) {	1314	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
949		1319
950	sub exists($) {	1320	sub exists($) {
951	my ($login) = @_;	1321	my ($login) = @_;
952		1322
953	$cf::PLAYER{$login}	1323	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1324	or cf::sync_job { !aio_stat path $login }
955	}	1325	}
956		1326
957	sub find($) {	1327	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1328	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1329	my $login = $_[0];
960		1330
961	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
962		1332
963	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
965	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
967	}	1350	}
968	}	1351	}
969	}	1352	}
970		1353
…		…
980		1363
981	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
983		1366
984	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
985	Coro::cede;	1368	cf::cede_to_tick;
986	}	1369	}
987		1370
988	sub new($) {	1371	sub new($) {
989	my ($login) = @_;	1372	my ($login) = @_;
990		1373
…		…
996	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
997		1380
998	$self	1381	$self
999	}	1382	}
1000		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
1001	=item $pl->quit_character	1394	=item $pl->quit_character
1002		1395
1003	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1005		1398
1006	=cut	1399	=cut
1007		1400
1008	sub quit_character {	1401	sub quit_character {
1009	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1010		1405
1011	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1408
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
1024	IO::AIO::aio_rmtree $temp;	1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
1025	}	1440	}
1026		1441
1027	=item cf::player::list_logins	1442	=item cf::player::list_logins
1028		1443
1029	Returns am arrayref of all valid playernames in the system, can take a	1444	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1031		1446
1032	=cut	1447	=cut
1033		1448
1034	sub list_logins {	1449	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1451	or return [];
1037		1452
1038	my @logins;	1453	my @logins;
1039		1454
1040	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1044		1464
1045	utf8::decode $login;	1465	utf8::decode $login;
1046	push @logins, $login;	1466	push @logins, $login;
1047	}	1467	}
1048		1468
…		…
1056		1476
1057	=cut	1477	=cut
1058		1478
1059	sub maps($) {	1479	sub maps($) {
1060	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1483
1062	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1063	or return;	1485	or return;
1064		1486
1065	my @paths;	1487	my @paths;
…		…
1067	for (@$files) {	1489	for (@$files) {
1068	utf8::decode $_;	1490	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1492	next unless /^$PATH_SEP/o;
1071		1493
1072	s/\.map$//;	1494	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1495	}
1075		1496
1076	\@paths	1497	\@paths
1077	}	1498	}
1078		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1080		1552
1081	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1082		1554
1083	=cut	1555	=cut
1084		1556
1085	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1087		1559
1088	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1561	}
1092		1562
1093	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1094		1603
1095	=back	1604	=back
1096
1097		1605
1098	=head3 cf::map	1606	=head3 cf::map
1099		1607
1100	=over 4	1608	=over 4
1101		1609
…		…
1105		1613
1106	use Fcntl;	1614	use Fcntl;
1107	use Coro::AIO;	1615	use Coro::AIO;
1108		1616
1109	use overload	1617	use overload
1110	'""' => \&as_string;	1618	'""' => \&as_string,
		1619	fallback => 1;
1111		1620
1112	our $MAX_RESET = 3600;	1621	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1622	our $DEFAULT_RESET = 3000;
1114		1623
1115	sub generate_random_map {	1624	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1627	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1639	)
1132	}	1640	}
1133		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
1134	sub register {	1650	sub register {
1135	my (undef, $regex) = @_;	1651	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1652	my $pkg = caller;
1137		1653
1138	no strict;	1654	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1655	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1656
1141	$EXT_MAP{$pkg} = qr<$regex>;	1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1658	}
1143		1659
1144	# also paths starting with '/'	1660	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
1146		1672
1147	sub normalise {	1673	sub normalise {
1148	my ($path, $base) = @_;	1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
1149		1679
1150	# map plan:	1680	# map plan:
1151	#	1681	#
1152	# /! non-realised random map exit (special hack!)	1682	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1683	# {... are special paths that are not being touched
…		…
1181		1711
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1713
1184	$path = normalise $path, $base;	1714	$path = normalise $path, $base;
1185		1715
1186	for my $pkg (keys %EXT_MAP) {	1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1718	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1719	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1191	return $self;	1721	return $self;
1192	}	1722	}
1193	}	1723	}
1194		1724
1195	Carp::carp "unable to resolve path '$path'.";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1726	()
1197	}	1727	}
1198		1728
1199	sub init {	1729	sub init {
1200	my ($self) = @_;	1730	my ($self) = @_;
…		…
1215		1745
1216	# the original (read-only) location	1746	# the original (read-only) location
1217	sub load_path {	1747	sub load_path {
1218	my ($self) = @_;	1748	my ($self) = @_;
1219		1749
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1221	}	1751	}
1222		1752
1223	# the temporary/swap location	1753	# the temporary/swap location
1224	sub save_path {	1754	sub save_path {
1225	my ($self) = @_;	1755	my ($self) = @_;
1226		1756
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1229	}	1759	}
1230		1760
1231	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1232	sub uniq_path {	1762	sub uniq_path {
1233	my ($self) = @_;	1763	my ($self) = @_;
1234		1764
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1237	}	1767	}
1238		1768
1239	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1240	# all maps in C++...	1770	# all maps in C++...
1241	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1243		1773
1244	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1246	}	1776	}
1247		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1248	sub unlink_save {	1786	sub unlink_save {
1249	my ($self) = @_;	1787	my ($self) = @_;
1250		1788
1251	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1792	}
1255		1793
1256	sub load_header_from($) {	1794	sub load_header_from($) {
1257	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1258		1796
1259	utf8::encode $path;	1797	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1261	or return;	1799	or return;
1262		1800
1263	$self->_load_header ($path)	1801	$self->_load_header ($f)
1264	or return;	1802	or return;
1265		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
		1806
1266	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1267		1808
1268	1	1809	1
1269	}	1810	}
1270		1811
1271	sub load_orig {	1812	sub load_header_orig {
1272	my ($self) = @_;	1813	my ($self) = @_;
1273		1814
1274	$self->load_header_from ($self->load_path)	1815	$self->load_header_from ($self->load_path)
1275	}	1816	}
1276		1817
1277	sub load_temp {	1818	sub load_header_temp {
1278	my ($self) = @_;	1819	my ($self) = @_;
1279		1820
1280	$self->load_header_from ($self->save_path)	1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
1281	}	1841	}
1282		1842
1283	sub load_header {	1843	sub load_header {
1284	my ($self) = @_;	1844	my ($self) = @_;
1285		1845
1286	if ($self->load_temp) {	1846	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1847	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1848	} else {
1293	$self->load_orig	1849	$self->load_header_orig
1294	or return;	1850	or return;
1295		1851	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1852	}
		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
1301		1859
1302	1	1860	1
1303	}	1861	}
1304		1862
1305	sub find;	1863	sub find;
1306	sub find {	1864	sub find {
1307	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1308		1866
1309	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1310		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1312		1871
1313	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1315	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1316	or return;	1877	or return;
1317		1878
1318	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1319		1880
1320	$map->load_header	1881	$map->load_header
1321	or return;	1882	or return;
1322		1883
1323	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1324	$map->reset;	1889	$map->reset;
1325	undef $guard;
1326	$map = find $path	1890	return find $path;
1327	or return;
1328	}	1891	}
1329		1892
1330	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1331	}	1894	}
1332	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1333		1899
1334	sub load {	1900	sub load {
1335	my ($self) = @_;	1901	my ($self) = @_;
1336		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1337	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1339		1909
		1910	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		1912
1342	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1343		1914
1344	$self->alloc;	1915	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1346	or return;	1923	or return;
1347		1924
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1926	if delete $self->{load_original};
1350		1927
1351	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1929	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1932	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1356	}	1936	}
1357	}	1937	}
1358		1938
1359	Coro::cede;	1939	$f->resolve_delayed_derefs;
1360		1940
		1941	cf::cede_to_tick;
1361	# now do the right thing for maps	1942	# now do the right thing for maps
1362	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1945	unless $self->difficulty;
1372	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1373	$self->activate;	1955	$self->activate;
1374	}	1956	}
1375		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
1377	}	1965	}
1378		1966
1379	sub customise_for {	1967	sub customise_for {
1380	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1381		1969
1382	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1971	if $self->per_player;
1384		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1385	$self	1976	$self
1386	}	1977	}
1387		1978
1388	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	1980	sub load_neighbours {
1390	my ($map) = @_;	1981	my ($map) = @_;
1391		1982
1392	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1393		1984
1394	for (0 .. 3) {	1985	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1396	or next;	1987	or next;
1397	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1398	or next;	1989	or next;
1399	$neigh->load;	1990	$neigh->load;
1400		1991
		1992	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	1995	}
1404		1996
1405	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1407	or next;	2000	or next;
1408	$neigh->load;	2001	$neigh->load;
1409	}	2002	}
1410	}	2003	}
1411		2004
…		…
1416	}	2009	}
1417		2010
1418	sub do_load_sync {	2011	sub do_load_sync {
1419	my ($map) = @_;	2012	my ($map) = @_;
1420		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1421	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1422	}	2018	}
1423		2019
1424	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2021	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2022
1438	sub find_async {	2023	sub find_async {
1439	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1440		2025
1441	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1442		2027
1443	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
		2034	$MAP_PREFETCHER ||= cf::async {
		2035	while (%MAP_PREFETCH) {
		2036	while (my ($k, $v) = each %MAP_PREFETCH) {
		2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
		2041	delete $MAP_PREFETCH{$k};
		2042	}
		2043	}
		2044	undef $MAP_PREFETCHER;
1445	}	2045	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2046	$MAP_PREFETCHER->prio (6);
1449		2047
1450	()	2048	()
1451	}	2049	}
1452		2050
1453	sub save {	2051	sub save {
1454	my ($self) = @_;	2052	my ($self) = @_;
1455		2053
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2055
1458	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1459		2057
1460	return unless $self->dirty;	2058	return unless $self->dirty;
1461		2059
…		…
1484	my ($self) = @_;	2082	my ($self) = @_;
1485		2083
1486	# save first because save cedes	2084	# save first because save cedes
1487	$self->save;	2085	$self->save;
1488		2086
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2088
1491	return if $self->players;	2089	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2091	return if $self->{deny_save};
1494		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2097	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2098	}
1498		2099
1499	sub reset_at {	2100	sub reset_at {
1500	my ($self) = @_;	2101	my ($self) = @_;
1501		2102
1502	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1505		2105
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2108
…		…
1513	my ($self) = @_;	2113	my ($self) = @_;
1514		2114
1515	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1516	}	2116	}
1517		2117
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2118	sub reset {
1533	my ($self) = @_;	2119	my ($self) = @_;
1534		2120
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2122
1537	return if $self->players;	2123	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2124
1540	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1541		2136
1542	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1543		2138
1544	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2141	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2142
1549	$self->unlink_save;	2143	$self->unlink_save;
1550	$self->destroy;	2144	$self->destroy;
1551	}	2145	}
1552		2146
1553	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1554		2148
1555	sub nuke {	2149	sub nuke {
1556	my ($self) = @_;	2150	my ($self) = @_;
1557		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1561	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1562	}	2205	}
1563		2206
1564	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1565		2208
1566	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2210	instantiated unique items. May block.
1568		2211
1569	=cut	2212	=cut
1570		2213
1571	sub unique_maps() {	2214	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1573	or return;	2216	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2217	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2218	/\.map$/
1583	push @paths, $_;	2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2222	]
1585
1586	\@paths
1587	}	2223	}
1588		2224
1589	package cf;	2225	package cf;
1590		2226
1591	=back	2227	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1610	}	2246	}
1611		2247
1612	sub inv_recursive {	2248	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1614	}	2281	}
1615		2282
1616	package cf;	2283	package cf;
1617		2284
1618	=back	2285	=back
…		…
1637		2304
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2306
1640	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1642	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1645	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1646	}	2332	}
1647		2333
1648	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1649		2335
1650	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2368	=cut
1683		2369
1684	sub link_map {	2370	sub link_map {
1685	unless ($LINK_MAP) {	2371	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2372	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2374	$LINK_MAP->load;
1689	}	2375	}
1690		2376
1691	$LINK_MAP	2377	$LINK_MAP
1692	}	2378	}
…		…
1697	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1698		2384
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2386
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1703		2389
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2391	}
1706		2392
1707	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1709		2397
1710	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1711		2399
1712	unless ($map) {	2400	unless ($map) {
1713	# restore original map position	2401	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1730		2418
1731	$map->load;	2419	$map->load;
1732	$map->load_diag;	2420	$map->load_neighbours;
1733		2421
1734	return unless $self->contr->active;	2422	return unless $self->contr->active;
1735	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1737	}	2427	}
1738		2428
1739	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2430
1743	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1747	};	2435	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2436
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1774		2440
1775	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2446
1778	$self->enter_link;	2447	$self->enter_link;
1779		2448
1780	(async {	2449	(async {
		2450	my $map = eval {
1781	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1783		2455	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1788		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1790	})->prio (1);	2474	})->prio (1);
1791	}	2475	}
1792		2476
1793	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1794		2478
…		…
1796		2480
1797	sub parse_random_map_params {	2481	sub parse_random_map_params {
1798	my ($spec) = @_;	2482	my ($spec) = @_;
1799		2483
1800	my $rmp = { # defaults	2484	my $rmp = { # defaults
1801	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1803	};	2489	};
1804		2490
1805	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1807		2493
…		…
1811	$rmp	2497	$rmp
1812	}	2498	}
1813		2499
1814	sub prepare_random_map {	2500	sub prepare_random_map {
1815	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2504
1817	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2507	# that depends on the exit object
1820		2508
1821	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1822		2510
1823	if ($exit->map) {	2511	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1828	}	2516	}
1829		2517
1830	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1831		2519
1832	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1834		2523
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1837		2528
1838	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2530	$exit->msg (undef);
1840	}	2531	}
1841	}	2532	}
…		…
1843	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1845		2536
1846	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1847		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1848	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1849		2555
1850	(async {	2556	(async {
1851	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2558	unless (eval {
1853	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2560
1859	1;	2561	1;
1860	}) {	2562	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2567
1866	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2569	$self->leave_link;
1868	}	2570	}
1869	})->prio (1);	2571	})->prio (1);
…		…
1882		2584
1883	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1885		2587
1886	utf8::encode $text;	2588	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2590	}
1889		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1890		2707
1891	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1892		2709
1893	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2713
1897	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2715	become reliable at some point in the future.
1899		2716
1900	=cut	2717	=cut
1901		2718
1902	sub cf::client::query {	2719	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2728	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2730
1914	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1916	}	2735	}
1917		2736
1918	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1919	on_reply => sub {	2743	on_reply => sub {
1920	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1921		2745
1922	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1923	# get handled first	2747	# get handled first
1924	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2750
1927	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2753
1929	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1930		2755
1931	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2757	if (@$queue) {
…		…
1934	} else {	2759	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2761	}
1937	}	2762	}
1938	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1939	);	2790	);
1940		2791
1941	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
1942		2793
1943	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
1986		2837
1987	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
1988		2839
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
1990		2845
1991	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
1992		2847
1993	=pod	2848	=pod
1994		2849
1995	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
1996		2851
1997	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
1998	cf::object::player player	2856	cf::object::player
1999	cf::player peaceful	2857	player
2000	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2001		2864
2002	=cut	2865	=cut
2003		2866
2004	for (	2867	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2006	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2009	) {	2874	) {
2010	no strict 'refs';	2875	no strict 'refs';
…		…
2081	=back	2946	=back
2082		2947
2083	=cut	2948	=cut
2084		2949
2085	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2086		2952
2087	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2088		2955
2089	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2091	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		2959
2093	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		2961
2096	=over 4	2962	warn "loading facedata from $path\n";
2097		2963
2098	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2099		2967
2100	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		2969
2104	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		2972
2106	Returns a single value from the database	2973	# patch in the exptable
2107		2974	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2109		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2977	};
		2978	cf::cede_to_tick;
2159		2979
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2164		2982
2165	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		2989
2171	sub db_put($$;$) {	2990	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2991	}
2185	);
2186	}
2187		2992
2188	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
2190		3003
2191	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3131	or return;
2194		3132
2195	local $/;	3133	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2197		3135
…		…
2211		3149
2212	sub main {	3150	sub main {
2213	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3154	(async {
2216	async { Event::one_event };	3155	Event::one_event;
		3156	})->prio (Coro::PRIO_MAX);
2217	};	3157	};
2218		3158
2219	cfg_load;	3159	reload_config;
2220	db_load;	3160	db_init;
2221	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
2222	Event::loop;	3164	Event::loop;
2223	}	3165	}
2224		3166
2225	#############################################################################	3167	#############################################################################
2226	# initialisation and cleanup	3168	# initialisation and cleanup
2227		3169
2228	# install some emergency cleanup handlers	3170	# install some emergency cleanup handlers
2229	BEGIN {	3171	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3172	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3173	Event->signal (
		3174	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2233	signal => $signal,	3176	signal => $signal,
		3177	prio => 0,
2234	cb => sub {	3178	cb => sub {
2235	cf::cleanup "SIG$signal";	3179	cf::cleanup "SIG$signal";
2236	},	3180	},
2237	);	3181	);
2238	}	3182	}
		3183	}
		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
2239	}	3221	}
2240		3222
2241	sub emergency_save() {	3223	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2243		3225
…		…
2260	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3243	$map->valid or next;
2262	$map->save;	3244	$map->save;
2263	}	3245	}
2264	warn "end emergency map save\n";	3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
2265	};	3251	};
2266		3252
2267	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2268	}	3254	}
2269		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2270	sub reload() {	3263	sub do_reload_perl() {
2271	# can/must only be called in main	3264	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2274	return;	3267	return;
2275	}	3268	}
2276		3269
2277	warn "reloading...";	3270	warn "reloading...";
2278		3271
2279	warn "freezing server";	3272	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2282		3278
2283	warn "sync database to disk";	3279	warn "syncing database to disk";
2284	cf::db_sync;	3280	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3281
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2289		3283
2290	warn "cancel all watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3287	}
2294		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2295	warn "cancel all extension coros";	3300	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3302	%EXT_CORO = ();
2298		3303
2299	warn "remove commands";	3304	warn "removing commands";
2300	%COMMAND = ();	3305	%COMMAND = ();
2301		3306
2302	warn "remove ext commands";	3307	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2304		3310
2305	warn "unload/nuke all extensions";	3311	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2308		3314
2309	if (my $cb = $pkg->can ("unload")) {	3315	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3316	eval {
…		…
2315		3321
2316	warn "... nuking $pkg";	3322	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3323	Symbol::delete_package $pkg;
2318	}	3324	}
2319		3325
2320	warn "unload all perl modules loaded from $LIBDIR";	3326	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3329
2324	warn "removing <$k>";	3330	warn "... unloading $k";
2325	delete $INC{$k};	3331	delete $INC{$k};
2326		3332
2327	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2329		3335
…		…
2332	}	3338	}
2333		3339
2334	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2335	}	3341	}
2336		3342
2337	warn "get rid of safe::, as good as possible";	3343	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3346
2341	warn "unload cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2343		3350
2344	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3352	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2347		3354
		3355	warn "unload completed, starting to reload now";
		3356
2348	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2349	require cf;	3358	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3360
2352	warn "load config and database again";	3361	warn "loading config and database again";
2353	cf::cfg_load;	3362	cf::reload_config;
2354	cf::db_load;
2355		3363
2356	warn "load extensions";	3364	warn "loading extensions";
2357	cf::load_extensions;	3365	cf::load_extensions;
2358		3366
2359	warn "reattach attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3368	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3369	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2363	};	3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2364		3373
2365	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2366	warn $@;	3378	warn $@;
2367	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2368	exit 1;	3380	exit 1;
2369	}	3381	};
2370		3382
2371	warn "reloaded";	3383	warn "reloaded";
2372	};	3384	};
2373		3385
		3386	our $RELOAD_WATCHER; # used only during reload
		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2374	register_command "reload" => sub {	3403	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2376		3405
2377	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2381	}	3409	}
2382	};	3410	};
2383		3411
2384	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2385		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2386	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2388	prio => 0,	3442	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2391	cb => sub {	3445	cb => sub {
		3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
2392	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2393		3453
2394	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2395	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2397		3481
2398	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
2400		3501
2401	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3504
2404	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2406	},	3514	},
2407	);	3515	);
2408		3516
		3517	{
		3518	BDB::max_poll_time $TICK * 0.1;
		3519	$BDB_POLL_WATCHER = Event->io (
		3520	reentrant => 0,
		3521	fd => BDB::poll_fileno,
		3522	poll => 'r',
		3523	prio => 0,
		3524	data => WF_AUTOCANCEL,
		3525	cb => \&BDB::poll_cb,
		3526	);
		3527	BDB::min_parallel 8;
		3528
		3529	BDB::set_sync_prepare {
		3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
		3563	};
		3564	}
		3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3571	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3572	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3573	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3574	data => WF_AUTOCANCEL,
2421	after => 0,	3575	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3576	poll => 'r',
2423	cb => sub {	3577	prio => 6,
2424	(Coro::unblock_sub {	3578	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3579	);
2426	or warn "ERROR: unable to write runtime file: $!";	3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
2427	})->();	3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3617	}
2429	);	3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2430		3622
2431	END { cf::emergency_save }	3623	END { cf::emergency_save }
2432		3624
2433	1	3625	1
2434		3626

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