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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 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 3.5 ();	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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
…		…
63	our %CFG;	87	our %CFG;
64		88
65	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	90	our $RUNTIME;
67		91
68	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		95
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		102
80	binmode STDOUT;	103	binmode STDOUT;
81	binmode STDERR;	104	binmode STDERR;
82		105
83	# read virtual server time, if available	106	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
88	}	111	}
89		112
90	mkdir cf::localdir;	113	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		115
97	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
98		117
99	sub cf::map::normalise;	118	sub cf::map::normalise;
100		119
…		…
111	=item $cf::RUNTIME	130	=item $cf::RUNTIME
112		131
113	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
114	every server tick.	133	every server tick.
115		134
116	=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
117		138
118	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		143
121	=item $cf::NOW	144	=item $cf::NOW
122		145
123	The time of the last (current) server tick.	146	The time of the last (current) server tick.
124		147
125	=item $cf::TICK	148	=item $cf::TICK
126		149
127	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.
128		161
129	=item %cf::CFG	162	=item %cf::CFG
130		163
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	165	from wherever your confdir points to.
133		166
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		168
136	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
137	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
138	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.
139	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.
140		178
141	=back	179	=back
142		180
143	=cut	181	=cut
144		182
145	BEGIN {	183	BEGIN {
146	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	185	my $msg = join "", @_;
148	utf8::encode $msg;
149		186
150	$msg .= "\n"	187	$msg .= "\n"
151	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
152		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
153	LOG llevError, $msg;	193	LOG llevError, $msg;
154	};	194	};
155	}	195	}
156		196
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		204
164	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	206	# within the Safe compartment.
166	for my $pkg (qw(	207	for my $pkg (qw(
167	cf::global cf::attachable	208	cf::global cf::attachable
…		…
175	}	216	}
176		217
177	$Event::DIED = sub {	218	$Event::DIED = sub {
178	warn "error in event callback: @_";	219	warn "error in event callback: @_";
179	};	220	};
		221
		222	#############################################################################
180		223
181	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
182		225
183	=over 4	226	=over 4
184		227
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	247	$d
205	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
206	}	249	}
207		250
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
211		252
212	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
213		254
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
224		258
225	=cut	259	=cut
226		260
227	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
229	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
231		265
232	=item cf::lock_wait $string	266	=item cf::lock_wait $string
233		267
234	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
235		269
…		…
238	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
241	returned.	275	returned.
242		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
243	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
245		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
246	=cut	287	=cut
247		288
248	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
249		291
250	sub lock_wait($) {	292	sub lock_wait($) {
251	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
252		299
253	# wait for lock, if any	300	# wait for lock, if any
254	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	303	Coro::schedule;
…		…
262		309
263	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
264	lock_wait $key;	311	lock_wait $key;
265		312
266	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
267		315
268	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
271	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
272	}	327	}
273		328
274	sub freeze_mainloop {	329	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
276		331
…		…
279	};	334	};
280	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
281	$guard	336	$guard
282	}	337	}
283		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
284	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
285		396
286	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	399	thing you are allowed to do is call C<prio> on it.
…		…
291		402
292	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
293		404
294	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
295		406
296	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
299		411
300	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
303	fast or be very important.	415	fast or be very important.
…		…
306		418
307	sub sync_job(&) {	419	sub sync_job(&) {
308	my ($job) = @_;	420	my ($job) = @_;
309		421
310	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
311	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
313		427
314	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
326		440
327	while ($busy) {	441	while ($busy) {
328	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
329	}	443	}
330		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
331	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
332	} else {	453	} else {
333	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
334		455
335	$job->()	456	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
355		476
356	$coro	477	$coro
357	}	478	}
358		479
359	sub write_runtime {	480	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		481
362	my $runtime = cf::localdir . "/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
363		486
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
365	or return;
366		488
367	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		491
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
372	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
373		495
374	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	497	reset_signals;
376	and return;	498	&$cb
		499	}, @args;
377		500
378	close $fh	501	wantarray ? @res : $res[-1]
379	or return;	502	}
380		503
381	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
382	and return;
383		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
384	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	629	}
386		630
387	=back	631	=back
388		632
389	=cut	633	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
398		642
399	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	645	Crossfire TRT).
402		646
403	=over 4	647	=over 4
404		648
405	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
406		650
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
570		814
571	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		819
576	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	821	my $pkg = shift @arg;
578		822
579	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
609	}	853	}
610		854
611	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
612	} else {	856	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	858	}
615		859
616	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
617	}	861	}
618		862
…		…
620	if (ref $_[0]) {	864	if (ref $_[0]) {
621	_object_attach @_;	865	_object_attach @_;
622	} else {	866	} else {
623	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
624	}	868	}
		869	_recalc_want;
625	};	870	};
626		871
627	# all those should be optimised	872	# all those should be optimised
628	sub cf::attachable::detach {	873	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
633	reattach ($obj);	878	reattach ($obj);
634	} else {	879	} else {
635	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
636	}	881	}
		882	_recalc_want;
637	};	883	};
638		884
639	sub cf::attachable::attached {	885	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
641		887
…		…
656	";	902	";
657	die if $@;	903	die if $@;
658	}	904	}
659		905
660	our $override;	906	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		908
663	sub override {	909	sub override {
664	$override = 1;	910	$override = 1;
665	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
666	}	912	}
667		913
668	sub do_invoke {	914	sub do_invoke {
669	my $event = shift;	915	my $event = shift;
670	my $callbacks = shift;	916	my $callbacks = shift;
671		917
672	@invoke_results = ();	918	@INVOKE_RESULTS = ();
673		919
674	local $override;	920	local $override;
675		921
676	for (@$callbacks) {	922	for (@$callbacks) {
677	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
694		940
695	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
696		942
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		946
701	=back	947	=back
702		948
703	=cut	949	=cut
704		950
705	#############################################################################	951	#############################################################################
706	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
707		964
708	sub reattach {	965	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	967	my ($obj) = @_;
711		968
…		…
755	},	1012	},
756	);	1013	);
757		1014
758	sub object_freezer_save {	1015	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
760		1019
761	sync_job {	1020	sync_job {
762	if (length $$rdata) {	1021	if (length $$rdata) {
763	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
788	}	1047	}
789	} else {	1048	} else {
790	aio_unlink $filename;	1049	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
792	}	1051	}
793	}	1052	};
		1053
		1054	undef $guard;
794	}	1055	}
795		1056
796	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
798		1059
…		…
803		1064
804	sub object_thawer_load {	1065	sub object_thawer_load {
805	my ($filename) = @_;	1066	my ($filename) = @_;
806		1067
807	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
808		1071
809	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
810	or return;	1073	or return;
811		1074
812	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
814	or return;	1077	or return;
		1078
		1079	undef $guard;
815	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1081	}
817		1082
818	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
820	return ($data, $av);	1086	($data, $av)
821	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
822		1094
823	#############################################################################	1095	#############################################################################
824	# command handling &c	1096	# command handling &c
825		1097
826	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1112	}
841		1113
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1115
844	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
845		1121
846	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
847	called.	1123	called.
848		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
849	=cut	1136	=cut
850		1137
851	sub register_extcmd {	1138	sub register_extcmd {
852	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
853		1140
854	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
855	}	1148	}
856		1149
857	cf::player->attach (	1150	cf::player->attach (
858	on_command => sub {	1151	on_command => sub {
859	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1161	cf::override;
869	},	1162	},
870	on_extcmd => sub {	1163	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
872		1165
873	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1167
875	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
881	} else {	1183	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1185	}
884		1186
885	cf::override;	1187	cf::override;
886	},	1188	},
887	);	1189	);
888		1190
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
924	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1196	next unless -r $path;
926	eval {	1197
927	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
928	1	1255	}
929	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
930	}	1261	};
931	}	1262	}
932		1263
933	#############################################################################	1264	#############################################################################
934		1265
		1266	=back
		1267
935	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
936		1269
937	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
938		1271
939	=cut	1272	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
952		1285
953	=cut	1286	=cut
954		1287
955	sub playerdir($) {	1288	sub playerdir($) {
956	cf::localdir	1289	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1291	}
962		1292
963	sub path($) {	1293	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1295
966	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
967	}	1297	}
968		1298
969	sub find_active($) {	1299	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1314	my $login = $_[0];
985		1315
986	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
987		1317
988	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
990	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
992	}	1335	}
993	}	1336	}
994	}	1337	}
995		1338
…		…
1005		1348
1006	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1008		1351
1009	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1010	Coro::cede;	1353	cf::cede_to_tick;
1011	}	1354	}
1012		1355
1013	sub new($) {	1356	sub new($) {
1014	my ($login) = @_;	1357	my ($login) = @_;
1015		1358
…		…
1019	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1020		1363
1021	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1022		1365
1023	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1024	}	1377	}
1025		1378
1026	=item $pl->quit_character	1379	=item $pl->quit_character
1027		1380
1028	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1078		1431
1079	=cut	1432	=cut
1080		1433
1081	sub list_logins {	1434	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1436	or return [];
1084		1437
1085	my @logins;	1438	my @logins;
1086		1439
1087	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1091		1449
1092	utf8::decode $login;	1450	utf8::decode $login;
1093	push @logins, $login;	1451	push @logins, $login;
1094	}	1452	}
1095		1453
…		…
1122	}	1480	}
1123		1481
1124	\@paths	1482	\@paths
1125	}	1483	}
1126		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1128		1537
1129	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1130		1539
1131	=cut	1540	=cut
1132		1541
1133	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1135		1544
1136	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1546	}
1140		1547
1141	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1142		1588
1143	=back	1589	=back
1144
1145		1590
1146	=head3 cf::map	1591	=head3 cf::map
1147		1592
1148	=over 4	1593	=over 4
1149		1594
…		…
1204	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1205		1650
1206	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1207	local $self->{path};	1652	local $self->{path};
1208	local $self->{load_path};	1653	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1654
1212	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1213	}	1656	}
1214		1657
1215	sub normalise {	1658	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1263	return $self;	1706	return $self;
1264	}	1707	}
1265	}	1708	}
1266		1709
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1711	()
1269	}	1712	}
1270		1713
1271	sub init {	1714	sub init {
1272	my ($self) = @_;	1715	my ($self) = @_;
…		…
1287		1730
1288	# the original (read-only) location	1731	# the original (read-only) location
1289	sub load_path {	1732	sub load_path {
1290	my ($self) = @_;	1733	my ($self) = @_;
1291		1734
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1293	}	1736	}
1294		1737
1295	# the temporary/swap location	1738	# the temporary/swap location
1296	sub save_path {	1739	sub save_path {
1297	my ($self) = @_;	1740	my ($self) = @_;
1298		1741
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1301	}	1744	}
1302		1745
1303	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1304	sub uniq_path {	1747	sub uniq_path {
1305	my ($self) = @_;	1748	my ($self) = @_;
1306		1749
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1309	}	1752	}
1310		1753
1311	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1312	# all maps in C++...	1755	# all maps in C++...
1313	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1315		1758
1316	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1318	}	1761	}
1319		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1320	sub unlink_save {	1771	sub unlink_save {
1321	my ($self) = @_;	1772	my ($self) = @_;
1322		1773
1323	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1778
1328	sub load_header_from($) {	1779	sub load_header_from($) {
1329	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1330		1781
1331	utf8::encode $path;	1782	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1337		1791
1338	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1339		1793
1340	1	1794	1
1341	}	1795	}
…		…
1380	$self->load_header_orig	1834	$self->load_header_orig
1381	or return;	1835	or return;
1382	$self->prepare_orig;	1836	$self->prepare_orig;
1383	}	1837	}
1384		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1385	1	1845	1
1386	}	1846	}
1387		1847
1388	sub find;	1848	sub find;
1389	sub find {	1849	sub find {
1390	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1391		1851
1392	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1393		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1395		1856
1396	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1398	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1399	or return;	1862	or return;
1400		1863
1401	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1402		1865
1403	$map->load_header	1866	$map->load_header
1404	or return;	1867	or return;
1405		1868
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1409	$map->reset;	1874	$map->reset;
1410	undef $guard;
1411	return find $path;	1875	return find $path;
1412	}	1876	}
1413		1877
1414	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1415	}	1879	}
…		…
1422	my ($self) = @_;	1886	my ($self) = @_;
1423		1887
1424	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1425		1889
1426	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1428		1894
		1895	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1897
1431	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1432		1899
1433	$self->alloc;	1900	$self->alloc;
1434		1901
1435	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1436		1904
1437	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1438	or return;	1908	or return;
1439		1909
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1911	if delete $self->{load_original};
1442		1912
1443	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1914	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1917	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1448	}	1921	}
1449	}	1922	}
1450		1923
1451	Coro::cede;	1924	$f->resolve_delayed_derefs;
1452		1925
		1926	cf::cede_to_tick;
1453	# now do the right thing for maps	1927	# now do the right thing for maps
1454	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1930	unless $self->difficulty;
1464	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1465	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1947	}
1467		1948
1468	$self->post_load;	1949	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1950	}
1472		1951
1473	sub customise_for {	1952	sub customise_for {
1474	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1475		1954
1476	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1956	if $self->per_player;
1478		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1479	$self	1961	$self
1480	}	1962	}
1481		1963
1482	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1965	sub load_neighbours {
1484	my ($map) = @_;	1966	my ($map) = @_;
1485		1967
1486	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1487		1969
1488	for (0 .. 3) {	1970	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1490	or next;	1972	or next;
1491	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1492	or next;	1974	or next;
1493	$neigh->load;	1975	$neigh->load;
1494		1976
		1977	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	1980	}
1498		1981
1499	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1501	or next;	1985	or next;
1502	$neigh->load;	1986	$neigh->load;
1503	}	1987	}
1504	}	1988	}
1505		1989
…		…
1510	}	1994	}
1511		1995
1512	sub do_load_sync {	1996	sub do_load_sync {
1513	my ($map) = @_;	1997	my ($map) = @_;
1514		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1515	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1516	}	2003	}
1517		2004
1518	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1520		2007
1521	sub find_async {	2008	sub find_async {
1522	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1523		2010
1524	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1525		2012
1526	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2015	}
1529		2016
1530	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1531	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2022	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2023	$map->load if $v;
		2024	}
1537		2025
1538	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1539	}	2027	}
1540	}	2028	}
1541	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1542	};	2030	};
1543	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2034	}
1547		2035
1548	sub save {	2036	sub save {
1549	my ($self) = @_;	2037	my ($self) = @_;
1550		2038
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2040
1553	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1554		2042
1555	return unless $self->dirty;	2043	return unless $self->dirty;
1556		2044
…		…
1579	my ($self) = @_;	2067	my ($self) = @_;
1580		2068
1581	# save first because save cedes	2069	# save first because save cedes
1582	$self->save;	2070	$self->save;
1583		2071
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2073
1586	return if $self->players;	2074	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2076	return if $self->{deny_save};
1589		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2082	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2083	}
1593		2084
1594	sub reset_at {	2085	sub reset_at {
1595	my ($self) = @_;	2086	my ($self) = @_;
1596		2087
1597	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1600		2090
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2093
…		…
1614	my ($self) = @_;	2104	my ($self) = @_;
1615		2105
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2107
1618	return if $self->players;	2108	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2109
1621	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
1622		2111
1623	$self->in_memory (cf::MAP_SWAPPED);	2112	$self->in_memory (cf::MAP_SWAPPED);
1624		2113
1625	# need to save uniques path	2114	# need to save uniques path
1626	unless ($self->{deny_save}) {	2115	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2119	if $uniq;
1631	}	2120	}
1632		2121
1633	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1634		2123
		2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2126	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2127
1639	$self->unlink_save;	2128	$self->unlink_save;
1640	$self->destroy;	2129	$self->destroy;
1641	}	2130	}
1642		2131
1643	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1644		2133
1645	sub nuke {	2134	sub nuke {
1646	my ($self) = @_;	2135	my ($self) = @_;
1647		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1648	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1649		2141
1650	$self->unlink_save;	2142	$self->unlink_save;
1651		2143
1652	bless $self, "cf::map";	2144	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2149
1658	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1659		2152
1660	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1661	}	2190	}
1662		2191
1663	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1664		2193
1665	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2195	instantiated unique items. May block.
1667		2196
1668	=cut	2197	=cut
1669		2198
1670	sub unique_maps() {	2199	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1672	or return;	2201	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2202	utf8::decode $_;
1678	next if /\.pst$/;	2203	/\.map$/
1679	next unless /^$PATH_SEP/o;	2204	? normalise $_
1680		2205	: ()
1681	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2207	]
1683
1684	\@paths
1685	}	2208	}
1686		2209
1687	package cf;	2210	package cf;
1688		2211
1689	=back	2212	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1708	}	2231	}
1709		2232
1710	sub inv_recursive {	2233	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1712	}	2266	}
1713		2267
1714	package cf;	2268	package cf;
1715		2269
1716	=back	2270	=back
…		…
1735		2289
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2291
1738	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1740	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1743	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1744	}	2317	}
1745		2318
1746	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1747		2320
1748	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1796		2369
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2371
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1801		2374
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2376	}
1804		2377
1805	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1807		2382
1808	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1809		2384
1810	unless ($map) {	2385	unless ($map) {
1811	# restore original map position	2386	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1828		2403
1829	$map->load;	2404	$map->load;
1830	$map->load_diag;	2405	$map->load_neighbours;
1831		2406
1832	return unless $self->contr->active;	2407	return unless $self->contr->active;
1833	$self->activate_recursive;	2408	$self->activate_recursive;
1834		2409
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1837	}	2412	}
1838		2413
1839	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2415
1843	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1847	};	2420	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2421
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1874		2425
1875	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2431
1878	$self->enter_link;	2432	$self->enter_link;
1879		2433
1880	(async {	2434	(async {
1881	my $map = eval {	2435	my $map = eval {
1882	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1884	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2451	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1889	})->prio (1);	2459	})->prio (1);
1890	}	2460	}
1891		2461
1892	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1893		2463
…		…
1932		2502
1933	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1934		2504
1935	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2507	my $meta = "$RANDOMDIR/$md5.meta";
1938		2508
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2511	undef $fh;
1942	aio_rename "$meta~", $meta;	2512	aio_rename "$meta~", $meta;
…		…
1951		2521
1952	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1953		2523
1954	if ($exit->slaying eq "/!") {	2524	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2528	cf::sync_job { prepare_random_map $exit };
1957	}	2529	}
1958		2530
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
1962		2534
1963	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1964		2540
1965	(async {	2541	(async {
1966	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2543	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
1969		2545
1970	1;	2546	1;
1971	}) {	2547	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2552
1977	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2554	$self->leave_link;
1979	}	2555	}
1980	})->prio (1);	2556	})->prio (1);
…		…
1993		2569
1994	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1996		2572
1997	utf8::encode $text;	2573	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2575	}
2000		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
2001		2692
2002	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
2003		2694
2004	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2698
2008	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2700	become reliable at some point in the future.
2010		2701
2011	=cut	2702	=cut
2012		2703
2013	sub cf::client::query {	2704	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2713	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2715
2025	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2027	}	2720	}
2028		2721
2029	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2030	on_reply => sub {	2728	on_reply => sub {
2031	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2032		2730
2033	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2034	# get handled first	2732	# get handled first
…		…
2046	} else {	2744	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2746	}
2049	}	2747	}
2050	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2051	);	2775	);
2052		2776
2053	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2054		2778
2055	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2098		2822
2099	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2100		2824
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2102		2830
2103	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2104		2832
2105	=pod	2833	=pod
2106		2834
2107	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2108		2836
2109	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2110	cf::object::player player	2841	cf::object::player
2111	cf::player peaceful	2842	player
2112	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2113		2849
2114	=cut	2850	=cut
2115		2851
2116	for (	2852	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2121	) {	2859	) {
2122	no strict 'refs';	2860	no strict 'refs';
…		…
2193	=back	2931	=back
2194		2932
2195	=cut	2933	=cut
2196		2934
2197	#############################################################################	2935	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2936	# the server's init and main functions
2271		2937
2272	sub load_faces {	2938	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2939	my ($path) = @_;
2274		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2946
2275	warn "loading faces from $path\n";	2947	warn "loading facedata from $path\n";
2276		2948
2277	my $faces;	2949	my $facedata;
2278	0 < aio_load $path, $faces	2950	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2951	or die "$path: $!";
2280		2952
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2953	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2954
		2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
		2965	{
		2966	my $faces = $facedata->{faceinfo};
		2967
2285	while (my ($face, $info) = each %$faces) {	2968	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2974
		2975	cf::cede_to_tick;
		2976	}
		2977
		2978	while (my ($face, $info) = each %$faces) {
		2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
2290	}	3051	}
2291		3052
2292	1	3053	1
2293	}	3054	}
2294		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
2295	sub reload_resources {	3098	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3099	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3100
		3101	reload_regions;
2298	load_faces	3102	reload_facedata;
2299	or die "unable to load faces\n";#d#	3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
2300	}	3108	}
2301		3109
2302	sub init {	3110	sub init {
2303	reload_resources;	3111	reload_resources;
2304	}	3112	}
2305		3113
2306	sub cfg_load {	3114	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3116	or return;
2309		3117
2310	local $/;	3118	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2312		3120
…		…
2331	(async {	3139	(async {
2332	Event::one_event;	3140	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2334	};	3142	};
2335		3143
2336	cfg_load;	3144	reload_config;
2337	db_init;	3145	db_init;
2338	load_extensions;	3146	load_extensions;
2339		3147
2340	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2341	Event::loop;	3149	Event::loop;
…		…
2357	},	3165	},
2358	);	3166	);
2359	}	3167	}
2360	}	3168	}
2361		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2362	sub emergency_save() {	3208	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2364		3210
2365	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2366		3212
…		…
2397		3243
2398	warn Carp::longmess "post_cleanup backtrace"	3244	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3245	if $make_core;
2400	}	3246	}
2401		3247
2402	sub reload() {	3248	sub do_reload_perl() {
2403	# can/must only be called in main	3249	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3251	warn "can only reload from main coroutine";
2406	return;	3252	return;
2407	}	3253	}
…		…
2441	%EXT_CORO = ();	3287	%EXT_CORO = ();
2442		3288
2443	warn "removing commands";	3289	warn "removing commands";
2444	%COMMAND = ();	3290	%COMMAND = ();
2445		3291
2446	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2448		3295
2449	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2452		3299
…		…
2482	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3331
2485	warn "unloading cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2487		3335
2488	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3337	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2491		3339
…		…
2494	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2495	require cf;	3343	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3345
2498	warn "loading config and database again";	3346	warn "loading config and database again";
2499	cf::cfg_load;	3347	cf::reload_config;
2500		3348
2501	warn "loading extensions";	3349	warn "loading extensions";
2502	cf::load_extensions;	3350	cf::load_extensions;
2503		3351
2504	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3354	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3356	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3357	reattach $_ for values %PLAYER;
2510		3358
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3359	warn "leaving sync_job";
2515		3360
2516	1	3361	1
2517	} or do {	3362	} or do {
2518	warn $@;	3363	warn $@;
…		…
2523	warn "reloaded";	3368	warn "reloaded";
2524	};	3369	};
2525		3370
2526	our $RELOAD_WATCHER; # used only during reload	3371	our $RELOAD_WATCHER; # used only during reload
2527		3372
		3373	sub reload_perl() {
		3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
		3376
		3377	$RELOAD_WATCHER ||= Event->timer (
		3378	reentrant => 0,
		3379	after => 0,
		3380	data => WF_AUTOCANCEL,
		3381	cb => sub {
		3382	do_reload_perl;
		3383	undef $RELOAD_WATCHER;
		3384	},
		3385	);
		3386	}
		3387
2528	register_command "reload" => sub {	3388	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2530		3390
2531	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3392	$who->message ("reloading server.");
2533		3393	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3394	}
2547	};	3395	};
2548		3396
2549	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2550		3398
2551	my $bug_warning = 0;	3399	my $bug_warning = 0;
2552		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3425	reentrant => 0,
2555	parked => 1,	3426	parked => 1,
2556	prio => 0,	3427	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2563	return;	3434	return;
2564	}	3435	}
2565		3436
2566	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2567		3438
2568	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2569	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2571		3466
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3470	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3471	or warn "ERROR: unable to write runtime file: $!";
2577	};	3472	};
2578	}	3473	}
2579		3474
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2585		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2586	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3489
2589	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2591	},	3499	},
2592	);	3500	);
2593		3501
2594	{	3502	{
2595	BDB::max_poll_time $TICK * 0.1;	3503	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3531
2624	cf::sync_job {	3532	cf::sync_job {
2625	eval {	3533	eval {
2626	BDB::db_env_open	3534	BDB::db_env_open
2627	$DB_ENV,	3535	$DB_ENV,
2628	$BDB_ENV_DIR,	3536	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3539	0666;
2632		3540
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3542
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3544	$DB_ENV->set_lk_detect;
2637	};	3545	};
2638		3546
…		…
2654	prio => 6,	3562	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3563	cb => \&IO::AIO::poll_cb,
2656	);	3564	);
2657	}	3565	}
2658		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
		3607
2659	END { cf::emergency_save }	3608	END { cf::emergency_save }
2660		3609
2661	1	3610	1
2662		3611

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