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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 1.358 by root, Fri Sep 7 18:10:52 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 if $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->deactivate;
1590	$self->clear;	2079	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2081	}
1593		2082
1594	sub reset_at {	2083	sub reset_at {
1595	my ($self) = @_;	2084	my ($self) = @_;
1596		2085
1597	# TODO: safety, remove and allow resettable per-player maps	2086	# 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};	2087	return 1e99 if $self->{deny_reset};
1600		2088
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2091
…		…
1614	my ($self) = @_;	2102	my ($self) = @_;
1615		2103
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2105
1618	return if $self->players;	2106	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2107
1621	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1622		2109
1623	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1624		2111
1625	# need to save uniques path	2112	# need to save uniques path
1626	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2117	if $uniq;
1631	}	2118	}
1632		2119
1633	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1634		2121
		2122	$self->deactivate;
1635	$self->clear;	2123	$self->clear;
1636		2124
1637	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1638		2126
1639	$self->unlink_save;	2127	$self->unlink_save;
…		…
1643	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1644		2132
1645	sub nuke {	2133	sub nuke {
1646	my ($self) = @_;	2134	my ($self) = @_;
1647		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1648	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1649		2140
1650	$self->unlink_save;	2141	$self->unlink_save;
1651		2142
1652	bless $self, "cf::map";	2143	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2148
1658	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1659		2151
1660	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1661	}	2189	}
1662		2190
1663	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1664		2192
1665	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2194	instantiated unique items. May block.
1667		2195
1668	=cut	2196	=cut
1669		2197
1670	sub unique_maps() {	2198	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1672	or return;	2200	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2201	utf8::decode $_;
1678	next if /\.pst$/;	2202	/\.map$/
1679	next unless /^$PATH_SEP/o;	2203	? normalise $_
1680		2204	: ()
1681	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2206	]
1683
1684	\@paths
1685	}	2207	}
1686		2208
1687	package cf;	2209	package cf;
1688		2210
1689	=back	2211	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1708	}	2230	}
1709		2231
1710	sub inv_recursive {	2232	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1712	}	2265	}
1713		2266
1714	package cf;	2267	package cf;
1715		2268
1716	=back	2269	=back
…		…
1735		2288
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2290
1738	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1740	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1743	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1744	}	2316	}
1745		2317
1746	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1747		2319
1748	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1796		2368
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2370
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1801		2373
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2375	}
1804		2376
1805	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1807		2381
1808	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1809		2383
1810	unless ($map) {	2384	unless ($map) {
1811	# restore original map position	2385	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1828		2402
1829	$map->load;	2403	$map->load;
1830	$map->load_diag;	2404	$map->load_neighbours;
1831		2405
1832	return unless $self->contr->active;	2406	return unless $self->contr->active;
1833	$self->activate_recursive;	2407	$self->activate_recursive;
1834		2408
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1837	}	2411	}
1838		2412
1839	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2414
1843	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1847	};	2419	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2420
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	2421	=cut
		2422
		2423	our $GOTOGEN;
1874		2424
1875	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2430
1878	$self->enter_link;	2431	$self->enter_link;
1879		2432
1880	(async {	2433	(async {
1881	my $map = eval {	2434	my $map = eval {
1882	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1884	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2450	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1889	})->prio (1);	2458	})->prio (1);
1890	}	2459	}
1891		2460
1892	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1893		2462
…		…
1932		2501
1933	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1934		2503
1935	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1938		2507
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2510	undef $fh;
1942	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1951		2520
1952	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1953		2522
1954	if ($exit->slaying eq "/!") {	2523	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2527	cf::sync_job { prepare_random_map $exit };
1957	}	2528	}
1958		2529
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
1962		2533
1963	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1964		2539
1965	(async {	2540	(async {
1966	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2542	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
1969		2544
1970	1;	2545	1;
1971	}) {	2546	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2551
1977	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2553	$self->leave_link;
1979	}	2554	}
1980	})->prio (1);	2555	})->prio (1);
…		…
1993		2568
1994	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1996		2571
1997	utf8::encode $text;	2572	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2574	}
2000		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
2001		2691
2002	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2003		2693
2004	Queues a query to the client, calling the given callback with	2694	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>,	2695	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>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2697
2008	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2699	become reliable at some point in the future.
2010		2700
2011	=cut	2701	=cut
2012		2702
2013	sub cf::client::query {	2703	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2712	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2714
2025	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2027	}	2719	}
2028		2720
2029	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2030	on_reply => sub {	2727	on_reply => sub {
2031	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2032		2729
2033	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2034	# get handled first	2731	# get handled first
…		…
2046	} else {	2743	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2745	}
2049	}	2746	}
2050	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2051	);	2774	);
2052		2775
2053	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2054		2777
2055	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2098		2821
2099	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2100		2823
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2102		2829
2103	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2104		2831
2105	=pod	2832	=pod
2106		2833
2107	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2108		2835
2109	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2110	cf::object::player player	2840	cf::object::player
2111	cf::player peaceful	2841	player
2112	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2113		2848
2114	=cut	2849	=cut
2115		2850
2116	for (	2851	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2121	) {	2858	) {
2122	no strict 'refs';	2859	no strict 'refs';
…		…
2193	=back	2930	=back
2194		2931
2195	=cut	2932	=cut
2196		2933
2197	#############################################################################	2934	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2935	# the server's init and main functions
2271		2936
2272	sub load_faces {	2937	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2938	my ($path) = @_;
2274		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2945
2275	warn "loading faces from $path\n";	2946	warn "loading facedata from $path\n";
2276		2947
2277	my $faces;	2948	my $facedata;
2278	0 < aio_load $path, $faces	2949	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2950	or die "$path: $!";
2280		2951
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2952	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2953
		2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
		2964	{
		2965	my $faces = $facedata->{faceinfo};
		2966
2285	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2973
		2974	cf::cede_to_tick;
		2975	}
		2976
		2977	while (my ($face, $info) = each %$faces) {
		2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
		2987
		2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
2290	}	3050	}
2291		3051
2292	1	3052	1
2293	}	3053	}
2294		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
2295	sub reload_resources {	3097	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3098	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3099
		3100	reload_regions;
2298	load_faces	3101	reload_facedata;
2299	or die "unable to load faces\n";#d#	3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
2300	}	3107	}
2301		3108
2302	sub init {	3109	sub init {
2303	reload_resources;	3110	reload_resources;
2304	}	3111	}
2305		3112
2306	sub cfg_load {	3113	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3115	or return;
2309		3116
2310	local $/;	3117	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2312		3119
…		…
2331	(async {	3138	(async {
2332	Event::one_event;	3139	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2334	};	3141	};
2335		3142
2336	cfg_load;	3143	reload_config;
2337	db_init;	3144	db_init;
2338	load_extensions;	3145	load_extensions;
2339		3146
2340	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2341	Event::loop;	3148	Event::loop;
…		…
2357	},	3164	},
2358	);	3165	);
2359	}	3166	}
2360	}	3167	}
2361		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2362	sub emergency_save() {	3207	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2364		3209
2365	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2366		3211
…		…
2397		3242
2398	warn Carp::longmess "post_cleanup backtrace"	3243	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3244	if $make_core;
2400	}	3245	}
2401		3246
2402	sub reload() {	3247	sub do_reload_perl() {
2403	# can/must only be called in main	3248	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2406	return;	3251	return;
2407	}	3252	}
…		…
2441	%EXT_CORO = ();	3286	%EXT_CORO = ();
2442		3287
2443	warn "removing commands";	3288	warn "removing commands";
2444	%COMMAND = ();	3289	%COMMAND = ();
2445		3290
2446	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2448		3294
2449	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2452		3298
…		…
2482	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3330
2485	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2487		3334
2488	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3336	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2491		3338
…		…
2494	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2495	require cf;	3342	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3344
2498	warn "loading config and database again";	3345	warn "loading config and database again";
2499	cf::cfg_load;	3346	cf::reload_config;
2500		3347
2501	warn "loading extensions";	3348	warn "loading extensions";
2502	cf::load_extensions;	3349	cf::load_extensions;
2503		3350
2504	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3355	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3356	reattach $_ for values %PLAYER;
2510		3357
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3358	warn "leaving sync_job";
2515		3359
2516	1	3360	1
2517	} or do {	3361	} or do {
2518	warn $@;	3362	warn $@;
…		…
2523	warn "reloaded";	3367	warn "reloaded";
2524	};	3368	};
2525		3369
2526	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2527		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2528	register_command "reload" => sub {	3387	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2530		3389
2531	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2533		3392	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	}	3393	}
2547	};	3394	};
2548		3395
2549	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2550		3397
2551	my $bug_warning = 0;	3398	my $bug_warning = 0;
2552		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3424	reentrant => 0,
2555	parked => 1,	3425	parked => 1,
2556	prio => 0,	3426	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2563	return;	3433	return;
2564	}	3434	}
2565		3435
2566	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2567		3437
2568	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2569	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2571		3465
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3469	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3470	or warn "ERROR: unable to write runtime file: $!";
2577	};	3471	};
2578	}	3472	}
2579		3473
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2585		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2586	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3488
2589	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2591	},	3498	},
2592	);	3499	);
2593		3500
2594	{	3501	{
2595	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3530
2624	cf::sync_job {	3531	cf::sync_job {
2625	eval {	3532	eval {
2626	BDB::db_env_open	3533	BDB::db_env_open
2627	$DB_ENV,	3534	$DB_ENV,
2628	$BDB_ENV_DIR,	3535	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3538	0666;
2632		3539
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3541
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3543	$DB_ENV->set_lk_detect;
2637	};	3544	};
2638		3545
…		…
2654	prio => 6,	3561	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2656	);	3563	);
2657	}	3564	}
2658		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
		3606
2659	END { cf::emergency_save }	3607	END { cf::emergency_save }
2660		3608
2661	1	3609	1
2662		3610

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