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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 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 3.4 ();	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 + 90 + 10;	486	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		487
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	488	sub fork_call(&@) {
359	and return;	489	my ($cb, @args) = @_;
360		490
361	aio_fsync $fh	491	# we seemingly have to make a local copy of the whole thing,
362	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
363		494
364	close $fh	495	my @res = Coro::Util::fork_eval {
365	or return;	496	reset_signals;
		497	&$cb
		498	}, @args;
366		499
367	aio_rename "$runtime~", $runtime	500	wantarray ? @res : $res[-1]
368	and return;	501	}
369		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	};
370	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 });
371	}	628	}
372		629
373	=back	630	=back
374		631
375	=cut	632	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
384		641
385	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>
386	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
387	crossfire+).	644	Crossfire TRT).
388		645
389	=over 4	646	=over 4
390		647
391	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
392		649
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
556		813
557	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		818
562	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	820	my $pkg = shift @arg;
564		821
565	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
595	}	852	}
596		853
597	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
598	} else {	855	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	857	}
601		858
602	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
603	}	860	}
604		861
…		…
606	if (ref $_[0]) {	863	if (ref $_[0]) {
607	_object_attach @_;	864	_object_attach @_;
608	} else {	865	} else {
609	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
610	}	867	}
		868	_recalc_want;
611	};	869	};
612		870
613	# all those should be optimised	871	# all those should be optimised
614	sub cf::attachable::detach {	872	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
619	reattach ($obj);	877	reattach ($obj);
620	} else {	878	} else {
621	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
622	}	880	}
		881	_recalc_want;
623	};	882	};
624		883
625	sub cf::attachable::attached {	884	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
627		886
…		…
642	";	901	";
643	die if $@;	902	die if $@;
644	}	903	}
645		904
646	our $override;	905	our $override;
647	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?
648		907
649	sub override {	908	sub override {
650	$override = 1;	909	$override = 1;
651	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
652	}	911	}
653		912
654	sub do_invoke {	913	sub do_invoke {
655	my $event = shift;	914	my $event = shift;
656	my $callbacks = shift;	915	my $callbacks = shift;
657		916
658	@invoke_results = ();	917	@INVOKE_RESULTS = ();
659		918
660	local $override;	919	local $override;
661		920
662	for (@$callbacks) {	921	for (@$callbacks) {
663	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
680		939
681	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
682		941
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		945
687	=back	946	=back
688		947
689	=cut	948	=cut
690		949
691	#############################################################################	950	#############################################################################
692	# 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	}
693		963
694	sub reattach {	964	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	966	my ($obj) = @_;
697		967
…		…
742	);	1012	);
743		1013
744	sub object_freezer_save {	1014	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
746		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
747	sync_job {	1019	sync_job {
748	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
751		1024
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1029	close $fh;
757		1030
758	if (@$objs) {	1031	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1037	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
766	}	1039	}
767	} else {	1040	} else {
768	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
774	}	1047	}
775	} else {	1048	} else {
776	aio_unlink $filename;	1049	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
778	}	1051	}
779	}	1052	};
		1053
		1054	undef $guard;
780	}	1055	}
781		1056
782	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
784		1059
…		…
789		1064
790	sub object_thawer_load {	1065	sub object_thawer_load {
791	my ($filename) = @_;	1066	my ($filename) = @_;
792		1067
793	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
794		1071
795	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
796	or return;	1073	or return;
797		1074
798	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
800	or return;	1077	or return;
		1078
		1079	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1081	}
803		1082
		1083	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
806	return ($data, $av);	1087	($data, $av)
807	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
808		1095
809	#############################################################################	1096	#############################################################################
810	# command handling &c	1097	# command handling &c
811		1098
812	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1113	}
827		1114
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1116
830	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.
831		1122
832	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
833	called.	1124	called.
834		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
835	=cut	1137	=cut
836		1138
837	sub register_extcmd {	1139	sub register_extcmd {
838	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
839		1141
840	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
841	}	1149	}
842		1150
843	cf::player->attach (	1151	cf::player->attach (
844	on_command => sub {	1152	on_command => sub {
845	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1162	cf::override;
855	},	1163	},
856	on_extcmd => sub {	1164	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
858		1166
859	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1168
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
867	} else {	1184	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1186	}
870		1187
871	cf::override;	1188	cf::override;
872	},	1189	},
873	);	1190	);
874		1191
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
910	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1197	next unless -r $path;
912	eval {	1198
913	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;
914	1	1256	}
915	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
916	}	1262	};
917	}	1263	}
918		1264
919	#############################################################################	1265	#############################################################################
920		1266
		1267	=back
		1268
921	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
922		1270
923	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
924		1272
925	=cut	1273	=cut
…		…
930		1278
931	=head3 cf::player	1279	=head3 cf::player
932		1280
933	=over 4	1281	=over 4
934		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
935	=item cf::player::find $login	1297	=item cf::player::find $login
936		1298
937	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
938		1300
939	=cut	1301	=cut
940		1302
941	sub playerdir($) {	1303	sub playerdir($) {
942	cf::localdir	1304	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1306	}
948		1307
949	sub path($) {	1308	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1310
952	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
953	}	1312	}
954		1313
955	sub find_active($) {	1314	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1329	my $login = $_[0];
971		1330
972	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
973		1332
974	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
978	}	1350	}
979	}	1351	}
980	}	1352	}
981		1353
…		…
991		1363
992	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
994		1366
995	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
996	Coro::cede;	1368	cf::cede_to_tick;
997	}	1369	}
998		1370
999	sub new($) {	1371	sub new($) {
1000	my ($login) = @_;	1372	my ($login) = @_;
1001		1373
…		…
1007	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1008		1380
1009	$self	1381	$self
1010	}	1382	}
1011		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
1012	=item $pl->quit_character	1394	=item $pl->quit_character
1013		1395
1014	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
1015	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1016		1398
1017	=cut	1399	=cut
1018		1400
1019	sub quit_character {	1401	sub quit_character {
1020	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1021		1405
1022	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1023	$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
1024		1408
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1440	}
1037		1441
1038	=item cf::player::list_logins	1442	=item cf::player::list_logins
1039		1443
1040	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
1041	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1042		1446
1043	=cut	1447	=cut
1044		1448
1045	sub list_logins {	1449	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1451	or return [];
1048		1452
1049	my @logins;	1453	my @logins;
1050		1454
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1055		1464
1056	utf8::decode $login;	1465	utf8::decode $login;
1057	push @logins, $login;	1466	push @logins, $login;
1058	}	1467	}
1059		1468
…		…
1067		1476
1068	=cut	1477	=cut
1069		1478
1070	sub maps($) {	1479	sub maps($) {
1071	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1483
1073	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1074	or return;	1485	or return;
1075		1486
1076	my @paths;	1487	my @paths;
…		…
1078	for (@$files) {	1489	for (@$files) {
1079	utf8::decode $_;	1490	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1492	next unless /^$PATH_SEP/o;
1082		1493
1083	s/\.map$//;	1494	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1495	}
1086		1496
1087	\@paths	1497	\@paths
1088	}	1498	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1091		1552
1092	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1093		1554
1094	=cut	1555	=cut
1095		1556
1096	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1098		1559
1099	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1561	}
1103		1562
1104	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		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	}
1105		1603
1106	=back	1604	=back
1107
1108		1605
1109	=head3 cf::map	1606	=head3 cf::map
1110		1607
1111	=over 4	1608	=over 4
1112		1609
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1639	)
1143	}	1640	}
1144		1641
		1642	=item cf::map->register ($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
1145	sub register {	1650	sub register {
1146	my (undef, $regex) = @_;	1651	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1652	my $pkg = caller;
1148		1653
1149	no strict;	1654	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1655	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1656
1152	$EXT_MAP{$pkg} = qr<$regex>;	1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1658	}
1154		1659
1155	# also paths starting with '/'	1660	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1662
1158	sub thawer_merge {	1663	sub thawer_merge {
1159	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1160		1665
1161	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1162	local $self->{path};	1667	local $self->{path};
1163	local $self->{load_path};	1668	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1669
1167	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1168	}	1671	}
1169		1672
1170	sub normalise {	1673	sub normalise {
1171	my ($path, $base) = @_;	1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
1172		1679
1173	# map plan:	1680	# map plan:
1174	#	1681	#
1175	# /! non-realised random map exit (special hack!)	1682	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1683	# {... are special paths that are not being touched
…		…
1204		1711
1205	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
1206		1713
1207	$path = normalise $path, $base;	1714	$path = normalise $path, $base;
1208		1715
1209	for my $pkg (keys %EXT_MAP) {	1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1718	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1719	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1214	return $self;	1721	return $self;
1215	}	1722	}
1216	}	1723	}
1217		1724
1218	Carp::carp "unable to resolve path '$path'.";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1726	()
1220	}	1727	}
1221		1728
1222	sub init {	1729	sub init {
1223	my ($self) = @_;	1730	my ($self) = @_;
…		…
1238		1745
1239	# the original (read-only) location	1746	# the original (read-only) location
1240	sub load_path {	1747	sub load_path {
1241	my ($self) = @_;	1748	my ($self) = @_;
1242		1749
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1244	}	1751	}
1245		1752
1246	# the temporary/swap location	1753	# the temporary/swap location
1247	sub save_path {	1754	sub save_path {
1248	my ($self) = @_;	1755	my ($self) = @_;
1249		1756
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1252	}	1759	}
1253		1760
1254	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1255	sub uniq_path {	1762	sub uniq_path {
1256	my ($self) = @_;	1763	my ($self) = @_;
1257		1764
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1260	}	1767	}
1261		1768
1262	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1263	# all maps in C++...	1770	# all maps in C++...
1264	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1266		1773
1267	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1269	}	1776	}
1270		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1271	sub unlink_save {	1786	sub unlink_save {
1272	my ($self) = @_;	1787	my ($self) = @_;
1273		1788
1274	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1793
1279	sub load_header_from($) {	1794	sub load_header_from($) {
1280	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1281		1796
1282	utf8::encode $path;	1797	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1284	or return;	1799	or return;
1285		1800
1286	$self->_load_header ($path)	1801	$self->_load_header ($f)
1287	or return;	1802	or return;
1288		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
		1806
1289	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1290		1808
1291	1	1809	1
1292	}	1810	}
1293		1811
1294	sub load_orig {	1812	sub load_header_orig {
1295	my ($self) = @_;	1813	my ($self) = @_;
1296		1814
1297	$self->load_header_from ($self->load_path)	1815	$self->load_header_from ($self->load_path)
1298	}	1816	}
1299		1817
1300	sub load_temp {	1818	sub load_header_temp {
1301	my ($self) = @_;	1819	my ($self) = @_;
1302		1820
1303	$self->load_header_from ($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	$self->instantiate;
1304	}	1841	}
1305		1842
1306	sub load_header {	1843	sub load_header {
1307	my ($self) = @_;	1844	my ($self) = @_;
1308		1845
1309	if ($self->load_temp) {	1846	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1847	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1848	} else {
1316	$self->load_orig	1849	$self->load_header_orig
1317	or return;	1850	or return;
1318		1851	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	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 $self->default_region;
1324		1859
1325	1	1860	1
1326	}	1861	}
1327		1862
1328	sub find;	1863	sub find;
1329	sub find {	1864	sub find {
1330	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1331		1866
1332	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1333		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1335		1871
1336	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1337	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
1338	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1339	or return;	1877	or return;
1340		1878
1341	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1342		1880
1343	$map->load_header	1881	$map->load_header
1344	or return;	1882	or return;
1345		1883
1346	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1349	$map->reset;	1889	$map->reset;
1350	undef $guard;
1351	$map = find $path	1890	return find $path;
1352	or return;
1353	}	1891	}
1354		1892
1355	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1356	}	1894	}
1357	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1358		1899
1359	sub load {	1900	sub load {
1360	my ($self) = @_;	1901	my ($self) = @_;
1361		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1362	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1364		1909
		1910	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		1912
1367	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1368		1914
1369	$self->alloc;	1915	$self->alloc;
1370	$self->_load_objects ($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)
1371	or return;	1923	or return;
1372		1924
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	1926	if delete $self->{load_original};
1375		1927
1376	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	1929	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	1932	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1381	}	1936	}
1382	}	1937	}
1383		1938
1384	Coro::cede;	1939	$f->resolve_delayed_derefs;
1385		1940
		1941	cf::cede_to_tick;
1386	# now do the right thing for maps	1942	# now do the right thing for maps
1387	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1945	unless $self->difficulty;
1397	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($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;
1398	$self->activate;	1955	$self->activate;
1399	}	1956	}
1400		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
1402	}	1965	}
1403		1966
1404	sub customise_for {	1967	sub customise_for {
1405	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1406		1969
1407	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1971	if $self->per_player;
1409		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1410	$self	1976	$self
1411	}	1977	}
1412		1978
1413	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1980	sub load_neighbours {
1415	my ($map) = @_;	1981	my ($map) = @_;
1416		1982
1417	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1418		1984
1419	for (0 .. 3) {	1985	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1421	or next;	1987	or next;
1422	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1423	or next;	1989	or next;
1424	$neigh->load;	1990	$neigh->load;
1425		1991
		1992	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	1995	}
1429		1996
1430	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1432	or next;	2000	or next;
1433	$neigh->load;	2001	$neigh->load;
1434	}	2002	}
1435	}	2003	}
1436		2004
…		…
1441	}	2009	}
1442		2010
1443	sub do_load_sync {	2011	sub do_load_sync {
1444	my ($map) = @_;	2012	my ($map) = @_;
1445		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1446	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1447	}	2018	}
1448		2019
1449	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1451		2022
1452	sub find_async {	2023	sub find_async {
1453	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1454		2025
1455	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1456		2027
1457	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2030	}
1460		2031
1461	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1462	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1463	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2037	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2038	$map->load if $v;
		2039	}
1468		2040
1469	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1470	}	2042	}
1471	}	2043	}
1472	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1473	};	2045	};
		2046	$MAP_PREFETCHER->prio (6);
1474		2047
1475	()	2048	()
1476	}	2049	}
1477		2050
1478	sub save {	2051	sub save {
1479	my ($self) = @_;	2052	my ($self) = @_;
1480		2053
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2055
1483	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1484		2057
1485	return unless $self->dirty;	2058	return unless $self->dirty;
1486		2059
…		…
1509	my ($self) = @_;	2082	my ($self) = @_;
1510		2083
1511	# save first because save cedes	2084	# save first because save cedes
1512	$self->save;	2085	$self->save;
1513		2086
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2088
1516	return if $self->players;	2089	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2091	return if $self->{deny_save};
1519		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2097	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2098	}
1523		2099
1524	sub reset_at {	2100	sub reset_at {
1525	my ($self) = @_;	2101	my ($self) = @_;
1526		2102
1527	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1530		2105
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2108
…		…
1544	my ($self) = @_;	2119	my ($self) = @_;
1545		2120
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2122
1548	return if $self->players;	2123	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2124
1551	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	}
1552		2136
1553	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1554		2138
1555	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2141	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2142
1560	$self->unlink_save;	2143	$self->unlink_save;
1561	$self->destroy;	2144	$self->destroy;
1562	}	2145	}
1563		2146
1564	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1565		2148
1566	sub nuke {	2149	sub nuke {
1567	my ($self) = @_;	2150	my ($self) = @_;
1568		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1569	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1570		2156
1571	$self->unlink_save;	2157	$self->unlink_save;
1572		2158
1573	bless $self, "cf::map";	2159	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2164
1579	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1580		2167
1581	$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	]
1582	}	2205	}
1583		2206
1584	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1585		2208
1586	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2210	instantiated unique items. May block.
1588		2211
1589	=cut	2212	=cut
1590		2213
1591	sub unique_maps() {	2214	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1593	or return;	2216	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2217	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2218	/\.map$/
1603	push @paths, $_;	2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2222	]
1605
1606	\@paths
1607	}	2223	}
1608		2224
1609	package cf;	2225	package cf;
1610		2226
1611	=back	2227	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1630	}	2246	}
1631		2247
1632	sub inv_recursive {	2248	sub inv_recursive {
1633	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	}
1634	}	2281	}
1635		2282
1636	package cf;	2283	package cf;
1637		2284
1638	=back	2285	=back
…		…
1657		2304
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2306
1660	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1662	} 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 {
1663	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1665	}	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 (@_);
1666	}	2332	}
1667		2333
1668	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1669		2335
1670	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2368	=cut
1703		2369
1704	sub link_map {	2370	sub link_map {
1705	unless ($LINK_MAP) {	2371	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2372	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2374	$LINK_MAP->load;
1709	}	2375	}
1710		2376
1711	$LINK_MAP	2377	$LINK_MAP
1712	}	2378	}
…		…
1717	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1718		2384
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2386
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1723		2389
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2391	}
1726		2392
1727	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1729		2397
1730	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1731		2399
1732	unless ($map) {	2400	unless ($map) {
1733	# restore original map position	2401	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1750		2418
1751	$map->load;	2419	$map->load;
1752	$map->load_diag;	2420	$map->load_neighbours;
1753		2421
1754	return unless $self->contr->active;	2422	return unless $self->contr->active;
1755	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1757	}	2427	}
1758		2428
1759	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2430
1763	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1767	};	2435	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2436
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1794		2440
1795	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1796	my ($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;
1797		2446
1798	$self->enter_link;	2447	$self->enter_link;
1799		2448
1800	(async {	2449	(async {
		2450	my $map = eval {
1801	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1803		2455	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1805	# if $map;
1806
1807	$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	}
1808		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};
1809	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1810	})->prio (1);	2474	})->prio (1);
1811	}	2475	}
1812		2476
1813	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1814		2478
…		…
1843	# that depends on the exit object	2507	# that depends on the exit object
1844		2508
1845	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1846		2510
1847	if ($exit->map) {	2511	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1852	}	2516	}
1853		2517
1854	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1855		2519
1856	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2522	my $meta = "$RANDOMDIR/$md5.meta";
1859		2523
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2526	undef $fh;
1863	aio_rename "$meta~", $meta;	2527	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1872		2536
1873	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1874		2538
		2539	if ($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
1875	$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);
1876		2555
1877	(async {	2556	(async {
1878	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2558	unless (eval {
1880	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2560
1886	1;	2561	1;
1887	}) {	2562	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "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. "
1890	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2567
1893	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2569	$self->leave_link;
1895	}	2570	}
1896	})->prio (1);	2571	})->prio (1);
…		…
1909		2584
1910	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1912		2587
1913	utf8::encode $text;	2588	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2590	}
1916		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	}
1917		2707
1918	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1919		2709
1920	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1921	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>,
1922	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>.
1923		2713
1924	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
1925	reliable at some point in the future.	2715	become reliable at some point in the future.
1926		2716
1927	=cut	2717	=cut
1928		2718
1929	sub cf::client::query {	2719	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2728	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2730
1941	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1943	}	2735	}
1944		2736
1945	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1946	on_reply => sub {	2743	on_reply => sub {
1947	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1948		2745
1949	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1950	# get handled first	2747	# get handled first
1951	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2750
1954	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2753
1956	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1957		2755
1958	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2757	if (@$queue) {
…		…
1961	} else {	2759	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2761	}
1964	}	2762	}
1965	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($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	},
1966	);	2790	);
1967		2791
1968	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
1969		2793
1970	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2013		2837
2014	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2015		2839
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2017		2845
2018	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2019		2847
2020	=pod	2848	=pod
2021		2849
2022	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2023		2851
2024	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2025	cf::object::player player	2856	cf::object::player
2026	cf::player peaceful	2857	player
2027	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2028		2864
2029	=cut	2865	=cut
2030		2866
2031	for (	2867	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2033	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2036	) {	2874	) {
2037	no strict 'refs';	2875	no strict 'refs';
…		…
2108	=back	2946	=back
2109		2947
2110	=cut	2948	=cut
2111		2949
2112	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2113		2952
2114	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2115		2955
2116	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2118	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		2959
2120	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		2961
2123	=over 4	2962	warn "loading facedata from $path\n";
2124		2963
2125	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2126		2967
2127	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		2969
2131	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		2972
2133	Returns a single value from the database	2973	# patch in the exptable
2134		2974	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2136		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	2977	};
		2978	cf::cede_to_tick;
2186		2979
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2191		2982
2192	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
2195	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
2196	}	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};
2197		2989
2198	sub db_put($$;$) {	2990	cf::cede_to_tick;
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2991	}
2212	);
2213	}
2214		2992
2215	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2216	# 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	}
2217		3003
2218	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 {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3131	or return;
2221		3132
2222	local $/;	3133	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2224		3135
…		…
2243	(async {	3154	(async {
2244	Event::one_event;	3155	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2246	};	3157	};
2247		3158
2248	cfg_load;	3159	reload_config;
2249	db_load;	3160	db_init;
2250	load_extensions;	3161	load_extensions;
2251		3162
2252	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2253	Event::loop;	3164	Event::loop;
2254	}	3165	}
…		…
2258		3169
2259	# install some emergency cleanup handlers	3170	# install some emergency cleanup handlers
2260	BEGIN {	3171	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3172	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3173	Event->signal (
		3174	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2264	signal => $signal,	3176	signal => $signal,
		3177	prio => 0,
2265	cb => sub {	3178	cb => sub {
2266	cf::cleanup "SIG$signal";	3179	cf::cleanup "SIG$signal";
2267	},	3180	},
2268	);	3181	);
2269	}	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
2270	}	3221	}
2271		3222
2272	sub emergency_save() {	3223	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2274		3225
…		…
2291	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3243	$map->valid or next;
2293	$map->save;	3244	$map->save;
2294	}	3245	}
2295	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";
2296	};	3251	};
2297		3252
2298	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2299	}	3254	}
2300		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2301	sub reload() {	3263	sub do_reload_perl() {
2302	# can/must only be called in main	3264	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3266	warn "can only reload from main coroutine";
2305	return;	3267	return;
2306	}	3268	}
2307		3269
2308	warn "reloading...";	3270	warn "reloading...";
2309		3271
2310	warn "cancelling server ticker";	3272	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2314		3278
2315	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2316	# 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
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3283
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3287	}
2325		3288
2326	warn "flushing outstanding aio requests";	3289	warn "flushing outstanding aio requests";
2327	for (;;) {	3290	for (;;) {
		3291	BDB::flush;
2328	IO::AIO::flush;	3292	IO::AIO::flush;
2329	Coro::cede;	3293	Coro::cede;
2330	last unless IO::AIO::nreqs;	3294	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3295	warn "iterate...";
2332	}	3296	}
		3297
		3298	++$RELOAD;
2333		3299
2334	warn "cancelling all extension coros";	3300	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3302	%EXT_CORO = ();
2337		3303
2338	warn "removing commands";	3304	warn "removing commands";
2339	%COMMAND = ();	3305	%COMMAND = ();
2340		3306
2341	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2343		3310
2344	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2347		3314
…		…
2377	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2378	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);
2379		3346
2380	warn "unloading cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2382		3350
2383	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3352	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2386		3354
…		…
2389	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2390	require cf;	3358	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3360
2393	warn "loading config and database again";	3361	warn "loading config and database again";
2394	cf::cfg_load;	3362	cf::reload_config;
2395	cf::db_load;
2396		3363
2397	warn "loading extensions";	3364	warn "loading extensions";
2398	cf::load_extensions;	3365	cf::load_extensions;
2399		3366
2400	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3368	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3369	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
		3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2404		3373
2405	warn "restarting server ticker";	3374	warn "leaving sync_job";
2406		3375
2407	$TICK_WATCHER->start;	3376	1
2408	};	3377	} or do {
2409
2410	if ($@) {
2411	warn $@;	3378	warn $@;
2412	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2413	exit 1;	3380	exit 1;
2414	}	3381	};
2415		3382
2416	warn "reloaded";	3383	warn "reloaded";
2417	};	3384	};
2418		3385
2419	our $RELOAD_WATCHER; # used only during reload	3386	our $RELOAD_WATCHER; # used only during reload
2420		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
2421	register_command "reload" => sub {	3403	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2423		3405
2424	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3407	$who->message ("reloading server.");
2426		3408	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3409	}
2435	};	3410	};
2436		3411
2437	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2438		3413
2439	my $bug_warning = 0;	3414	my $bug_warning = 0;
2440		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;
2441	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3440	reentrant => 0,
2443	parked => 1,	3441	parked => 1,
2444	prio => 0,	3442	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2451	return;	3449	return;
2452	}	3450	}
2453		3451
2454	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2455		3453
2456	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
2457	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2459		3481
2460	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$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;
2462		3501
2463	# 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
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3504
2466	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2467	$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
2468	},	3514	},
2469	);	3515	);
2470		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;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3571	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3572	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3573	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3574	data => WF_AUTOCANCEL,
2483	after => 1,	3575	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3576	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3577	prio => 6,
2486	cb => Coro::unblock_sub {	3578	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3579	);
2488	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;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3617	}
2490	);	3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2491		3622
2492	END { cf::emergency_save }	3623	END { cf::emergency_save }
2493		3624
2494	1	3625	1
2495		3626

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