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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.350 by root, Sat Sep 1 08:03:45 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
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	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
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
244		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
248		290
…		…
268	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
270	}	312	}
271	}	313	}
272		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
273	sub freeze_mainloop {	321	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
275		323
276	my $guard = Coro::guard {	324	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	326	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
282	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
283	}	385	}
284		386
285	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
286		388
287	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		394
293	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
294		396
295	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
296		398
297	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
300		403
301	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
304	fast or be very important.	407	fast or be very important.
…		…
307		410
308	sub sync_job(&) {	411	sub sync_job(&) {
309	my ($job) = @_;	412	my ($job) = @_;
310		413
311	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
312	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
314		419
315	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
327		432
328	while ($busy) {	433	while ($busy) {
329	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
330	}	435	}
331		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
332	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
333	} else {	445	} else {
334	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
335		447
336	$job->()	448	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
356		468
357	$coro	469	$coro
358	}	470	}
359		471
360	sub write_runtime {	472	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		473
363	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
364		478
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
366	or return;
367		480
368	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		483
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
373	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
374		487
375	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	489	reset_signals;
377	and return;	490	&$cb
		491	}, @args;
378		492
379	close $fh	493	wantarray ? @res : $res[-1]
380	or return;	494	}
381		495
382	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
383	and return;
384		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
385	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	621	}
387		622
388	=back	623	=back
389		624
390	=cut	625	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
399		634
400	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	637	Crossfire TRT).
403		638
404	=over 4	639	=over 4
405		640
406	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
407		642
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
571		806
572	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		811
577	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	813	my $pkg = shift @arg;
579		814
580	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
610	}	845	}
611		846
612	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
613	} else {	848	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	850	}
616		851
617	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
618	}	853	}
619		854
…		…
621	if (ref $_[0]) {	856	if (ref $_[0]) {
622	_object_attach @_;	857	_object_attach @_;
623	} else {	858	} else {
624	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
625	}	860	}
		861	_recalc_want;
626	};	862	};
627		863
628	# all those should be optimised	864	# all those should be optimised
629	sub cf::attachable::detach {	865	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
634	reattach ($obj);	870	reattach ($obj);
635	} else {	871	} else {
636	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
637	}	873	}
		874	_recalc_want;
638	};	875	};
639		876
640	sub cf::attachable::attached {	877	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
642		879
…		…
657	";	894	";
658	die if $@;	895	die if $@;
659	}	896	}
660		897
661	our $override;	898	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		900
664	sub override {	901	sub override {
665	$override = 1;	902	$override = 1;
666	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
667	}	904	}
668		905
669	sub do_invoke {	906	sub do_invoke {
670	my $event = shift;	907	my $event = shift;
671	my $callbacks = shift;	908	my $callbacks = shift;
672		909
673	@invoke_results = ();	910	@INVOKE_RESULTS = ();
674		911
675	local $override;	912	local $override;
676		913
677	for (@$callbacks) {	914	for (@$callbacks) {
678	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
695		932
696	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
697		934
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		938
702	=back	939	=back
703		940
704	=cut	941	=cut
705		942
706	#############################################################################	943	#############################################################################
707	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
708		956
709	sub reattach {	957	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	959	my ($obj) = @_;
712		960
…		…
789	}	1037	}
790	} else {	1038	} else {
791	aio_unlink $filename;	1039	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1040	aio_unlink "$filename.pst";
793	}	1041	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1042	}
801	}	1043	}
802		1044
803	sub object_freezer_as_string {	1045	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1046	my ($rdata, $objs) = @_;
…		…
810		1052
811	sub object_thawer_load {	1053	sub object_thawer_load {
812	my ($filename) = @_;	1054	my ($filename) = @_;
813		1055
814	my ($data, $av);	1056	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1057
819	(aio_load $filename, $data) >= 0	1058	(aio_load $filename, $data) >= 0
820	or return;	1059	or return;
821		1060
822	unless (aio_stat "$filename.pst") {	1061	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1063	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1065	}
827		1066
828	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1069	return ($data, $av);
831	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
832		1077
833	#############################################################################	1078	#############################################################################
834	# command handling &c	1079	# command handling &c
835		1080
836	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1095	}
851		1096
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1098
854	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
855		1104
856	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
857	called.	1106	called.
858		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
859	=cut	1119	=cut
860		1120
861	sub register_extcmd {	1121	sub register_extcmd {
862	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
863		1123
864	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
865	}	1131	}
866		1132
867	cf::player->attach (	1133	cf::player->attach (
868	on_command => sub {	1134	on_command => sub {
869	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1144	cf::override;
879	},	1145	},
880	on_extcmd => sub {	1146	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
882		1148
883	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1150
885	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
891	} else {	1166	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1168	}
894		1169
895	cf::override;	1170	cf::override;
896	},	1171	},
897	);	1172	);
898		1173
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
934	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1179	next unless -r $path;
936	eval {	1180
937	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
938	1	1238	}
939	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
940	}	1244	};
941	}	1245	}
942		1246
943	#############################################################################	1247	#############################################################################
944		1248
		1249	=back
		1250
945	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
946		1252
947	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
948		1254
949	=cut	1255	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
962		1268
963	=cut	1269	=cut
964		1270
965	sub playerdir($) {	1271	sub playerdir($) {
966	cf::localdir	1272	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1274	}
972		1275
973	sub path($) {	1276	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1278
976	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
977	}	1280	}
978		1281
979	sub find_active($) {	1282	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1297	my $login = $_[0];
995		1298
996	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
997		1300
998	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
999	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1000	or return;	1310	or return;
1001	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1002	}	1312	}
1003	}	1313	}
…		…
1015		1325
1016	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1018		1328
1019	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1020	Coro::cede;	1330	cf::cede_to_tick;
1021	}	1331	}
1022		1332
1023	sub new($) {	1333	sub new($) {
1024	my ($login) = @_;	1334	my ($login) = @_;
1025		1335
…		…
1031	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1032		1342
1033	$self	1343	$self
1034	}	1344	}
1035		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1036	=item $pl->quit_character	1356	=item $pl->quit_character
1037		1357
1038	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1040		1360
1041	=cut	1361	=cut
1042		1362
1043	sub quit_character {	1363	sub quit_character {
1044	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1045		1367
1046	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1370
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1059	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1060	}	1402	}
1061		1403
1062	=item cf::player::list_logins	1404	=item cf::player::list_logins
1063		1405
1064	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1066		1408
1067	=cut	1409	=cut
1068		1410
1069	sub list_logins {	1411	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1413	or return [];
1072		1414
1073	my @logins;	1415	my @logins;
1074		1416
1075	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1110	}	1452	}
1111		1453
1112	\@paths	1454	\@paths
1113	}	1455	}
1114		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1116		1508
1117	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1118		1510
1119	=cut	1511	=cut
1120		1512
1121	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1123		1515
1124	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1517	}
1128		1518
1129	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1130		1559
1131	=back	1560	=back
1132
1133		1561
1134	=head3 cf::map	1562	=head3 cf::map
1135		1563
1136	=over 4	1564	=over 4
1137		1565
…		…
1192	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1193		1621
1194	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1195	local $self->{path};	1623	local $self->{path};
1196	local $self->{load_path};	1624	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1625
1200	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1201	}	1627	}
1202		1628
1203	sub normalise {	1629	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1251	return $self;	1677	return $self;
1252	}	1678	}
1253	}	1679	}
1254		1680
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1682	()
1257	}	1683	}
1258		1684
1259	sub init {	1685	sub init {
1260	my ($self) = @_;	1686	my ($self) = @_;
…		…
1275		1701
1276	# the original (read-only) location	1702	# the original (read-only) location
1277	sub load_path {	1703	sub load_path {
1278	my ($self) = @_;	1704	my ($self) = @_;
1279		1705
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1281	}	1707	}
1282		1708
1283	# the temporary/swap location	1709	# the temporary/swap location
1284	sub save_path {	1710	sub save_path {
1285	my ($self) = @_;	1711	my ($self) = @_;
1286		1712
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1289	}	1715	}
1290		1716
1291	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1292	sub uniq_path {	1718	sub uniq_path {
1293	my ($self) = @_;	1719	my ($self) = @_;
1294		1720
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1297	}	1723	}
1298		1724
1299	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1300	# all maps in C++...	1726	# all maps in C++...
1301	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1303		1729
1304	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1306	}	1732	}
1307		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1308	sub unlink_save {	1742	sub unlink_save {
1309	my ($self) = @_;	1743	my ($self) = @_;
1310		1744
1311	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1748	}
1320		1749
1321	sub load_header_from($) {	1750	sub load_header_from($) {
1322	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1323		1752
…		…
1373	$self->load_header_orig	1802	$self->load_header_orig
1374	or return;	1803	or return;
1375	$self->prepare_orig;	1804	$self->prepare_orig;
1376	}	1805	}
1377		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1378	1	1813	1
1379	}	1814	}
1380		1815
1381	sub find;	1816	sub find;
1382	sub find {	1817	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1395		1830
1396	$map->load_header	1831	$map->load_header
1397	or return;	1832	or return;
1398		1833
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1837	$map->reset;
1403	undef $guard;	1838	undef $guard;
1404	return find $path;	1839	return find $path;
…		…
1415	my ($self) = @_;	1850	my ($self) = @_;
1416		1851
1417	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1418		1853
1419	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1420	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1421		1859
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1861
1424	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1425		1863
1426	$self->alloc;	1864	$self->alloc;
1427		1865
1428	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1429		1868
1430	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1431	or return;	1870	or return;
1432		1871
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1873	if delete $self->{load_original};
1435		1874
1436	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1876	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;	1878	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1441	}	1880	}
1442	}	1881	}
1443		1882
1444	Coro::cede;	1883	cf::cede_to_tick;
1445
1446	# now do the right thing for maps	1884	# now do the right thing for maps
1447	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1887	unless $self->difficulty;
1457	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1458	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1904	}
1460		1905
1461	$self->post_load;	1906	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1907	}
1465		1908
1466	sub customise_for {	1909	sub customise_for {
1467	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1468		1911
1469	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1913	if $self->per_player;
1471		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1472	$self	1918	$self
1473	}	1919	}
1474		1920
1475	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1922	sub load_neighbours {
1477	my ($map) = @_;	1923	my ($map) = @_;
1478		1924
1479	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1480		1926
1481	for (0 .. 3) {	1927	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1483	or next;	1929	or next;
1484	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1485	or next;	1931	or next;
1486	$neigh->load;	1932	$neigh->load;
1487		1933
		1934	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	1937	}
1491		1938
1492	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1494	or next;	1942	or next;
1495	$neigh->load;	1943	$neigh->load;
1496	}	1944	}
1497	}	1945	}
1498		1946
…		…
1503	}	1951	}
1504		1952
1505	sub do_load_sync {	1953	sub do_load_sync {
1506	my ($map) = @_;	1954	my ($map) = @_;
1507		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1508	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1509	}	1960	}
1510		1961
1511	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1513		1964
1514	sub find_async {	1965	sub find_async {
1515	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1516		1967
1517	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1518		1969
1519	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	1972	}
1522		1973
1523	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1524	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	1979	if (my $map = find $k) {
1528	or next;
1529	$map->load;	1980	$map->load if $v;
		1981	}
1530		1982
1531	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1532	}	1984	}
1533	}	1985	}
1534	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1535	};	1987	};
1536	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1539	}	1991	}
1540		1992
1541	sub save {	1993	sub save {
1542	my ($self) = @_;	1994	my ($self) = @_;
1543		1995
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		1997
1546	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1547		1999
1548	return unless $self->dirty;	2000	return unless $self->dirty;
1549		2001
…		…
1572	my ($self) = @_;	2024	my ($self) = @_;
1573		2025
1574	# save first because save cedes	2026	# save first because save cedes
1575	$self->save;	2027	$self->save;
1576		2028
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2030
1579	return if $self->players;	2031	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2033	return if $self->{deny_save};
1582		2034
…		…
1586		2038
1587	sub reset_at {	2039	sub reset_at {
1588	my ($self) = @_;	2040	my ($self) = @_;
1589		2041
1590	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1593		2044
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2047
…		…
1607	my ($self) = @_;	2058	my ($self) = @_;
1608		2059
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2061
1611	return if $self->players;	2062	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2063
1614	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1615		2065
1616	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1617		2067
1618	# need to save uniques path	2068	# need to save uniques path
1619	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1636	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1637		2087
1638	sub nuke {	2088	sub nuke {
1639	my ($self) = @_;	2089	my ($self) = @_;
1640		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1641	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1642		2095
1643	$self->unlink_save;
1644
1645	bless $self, "cf::map";	2096	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2101
		2102	$self->unlink_save;
		2103
1651	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1652		2106
1653	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1654	}	2144	}
1655		2145
1656	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1657		2147
1658	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2149	instantiated unique items. May block.
1660		2150
1661	=cut	2151	=cut
1662		2152
1663	sub unique_maps() {	2153	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1665	or return;	2155	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2156	utf8::decode $_;
1671	next if /\.pst$/;	2157	/\.map$/
1672	next unless /^$PATH_SEP/o;	2158	? normalise $_
1673		2159	: ()
1674	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2161	]
1676
1677	\@paths
1678	}	2162	}
1679		2163
1680	package cf;	2164	package cf;
1681		2165
1682	=back	2166	=back
…		…
1728		2212
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2214
1731	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1733	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1736	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1737	}	2240	}
1738		2241
1739	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1740		2243
1741	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1789		2292
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2294
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1794		2297
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2299	}
1797		2300
1798	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1800		2305
1801	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1802		2307
1803	unless ($map) {	2308	unless ($map) {
1804	# restore original map position	2309	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1821		2326
1822	$map->load;	2327	$map->load;
1823	$map->load_diag;	2328	$map->load_neighbours;
1824		2329
1825	return unless $self->contr->active;	2330	return unless $self->contr->active;
1826	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1828	}	2335	}
1829		2336
1830	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2338
1834	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1838	};	2343	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2344
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1865		2348
1866	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2354
1869	$self->enter_link;	2355	$self->enter_link;
1870		2356
1871	(async {	2357	(async {
1872	my $map = eval {	2358	my $map = eval {
1873	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1875	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2374	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1880	})->prio (1);	2382	})->prio (1);
1881	}	2383	}
1882		2384
1883	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1884		2386
…		…
1923		2425
1924	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1925		2427
1926	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1929		2431
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2434	undef $fh;
1933	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1942		2444
1943	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1944		2446
1945	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1948	}	2452	}
1949		2453
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1953		2457
1954	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1955		2463
1956	(async {	2464	(async {
1957	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2466	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1960		2468
1961	1;	2469	1;
1962	}) {	2470	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2475
1968	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2477	$self->leave_link;
1970	}	2478	}
1971	})->prio (1);	2479	})->prio (1);
…		…
1984		2492
1985	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1987		2495
1988	utf8::encode $text;	2496	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2498	}
1991		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1992		2608
1993	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1994		2610
1995	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2614
1999	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2616	become reliable at some point in the future.
2001		2617
2002	=cut	2618	=cut
2003		2619
2004	sub cf::client::query {	2620	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2629	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2631
2016	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
2018	}	2636	}
2019		2637
2020	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
2021	on_reply => sub {	2644	on_reply => sub {
2022	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
2023		2646
2024	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
2025	# get handled first	2648	# get handled first
…		…
2037	} else {	2660	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2662	}
2040	}	2663	}
2041	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2042	);	2691	);
2043		2692
2044	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2045		2694
2046	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2089		2738
2090	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2091		2740
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2093		2746
2094	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2095		2748
2096	=pod	2749	=pod
2097		2750
2098	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2099		2752
2100	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2101	cf::object::player player	2757	cf::object::player
2102	cf::player peaceful	2758	player
2103	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2104		2765
2105	=cut	2766	=cut
2106		2767
2107	for (	2768	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2112	) {	2775	) {
2113	no strict 'refs';	2776	no strict 'refs';
…		…
2184	=back	2847	=back
2185		2848
2186	=cut	2849	=cut
2187		2850
2188	#############################################################################	2851	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2852	# the server's init and main functions
2262		2853
2263	sub load_resources {	2854	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2855	my ($path) = @_;
		2856
		2857	# HACK to clear player env face cache, we need some signal framework
		2858	# for this (global event?)
		2859	%ext::player_env::MUSIC_FACE_CACHE = ();
		2860
		2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2862
		2863	warn "loading facedata from $path\n";
		2864
		2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
		2868
		2869	$facedata = Coro::Storable::thaw $facedata;
		2870
		2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2873
		2874	# patch in the exptable
		2875	$facedata->{resource}{"res/exp_table"} = {
		2876	type => FT_RSRC,
		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2878	};
		2879	cf::cede_to_tick;
		2880
		2881	{
		2882	my $faces = $facedata->{faceinfo};
		2883
		2884	while (my ($face, $info) = each %$faces) {
		2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2886	cf::face::set_visibility $idx, $info->{visibility};
		2887	cf::face::set_magicmap $idx, $info->{magicmap};
		2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2890
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	while (my ($face, $info) = each %$faces) {
		2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
		2904
		2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2986	or die "unable to load regions file\n";
2266	}
2267		2987
2268	sub cfg_load {	2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3032	or return;
2271		3033
2272	local $/;	3034	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2274		3036
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3044	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3045	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3046	};
2285	warn $@ if $@;	3047	warn $@ if $@;
2286	}	3048	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3049	}
2292		3050
2293	sub main {	3051	sub main {
2294	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
…		…
2297	(async {	3055	(async {
2298	Event::one_event;	3056	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3057	})->prio (Coro::PRIO_MAX);
2300	};	3058	};
2301		3059
2302	cfg_load;	3060	reload_config;
2303	db_init;	3061	db_init;
2304	load_extensions;	3062	load_extensions;
2305		3063
2306	$TICK_WATCHER->start;	3064	$TICK_WATCHER->start;
2307	Event::loop;	3065	Event::loop;
…		…
2323	},	3081	},
2324	);	3082	);
2325	}	3083	}
2326	}	3084	}
2327		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2328	sub emergency_save() {	3124	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2330		3126
2331	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2332		3128
…		…
2363		3159
2364	warn Carp::longmess "post_cleanup backtrace"	3160	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3161	if $make_core;
2366	}	3162	}
2367		3163
2368	sub reload() {	3164	sub do_reload_perl() {
2369	# can/must only be called in main	3165	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3167	warn "can only reload from main coroutine";
2372	return;	3168	return;
2373	}	3169	}
2374		3170
2375	warn "reloading...";	3171	warn "reloading...";
2376		3172
2377	warn "cancelling server ticker";	3173	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
2381		3179
2382	eval {	3180	warn "syncing database to disk";
		3181	BDB::db_env_txn_checkpoint $DB_ENV;
		3182
2383	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
2384		3184
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3185	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3188	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3189
2393	warn "flushing outstanding aio requests";	3190	warn "flushing outstanding aio requests";
2394	for (;;) {	3191	for (;;) {
2395	BDB::flush;	3192	BDB::flush;
2396	IO::AIO::flush;	3193	IO::AIO::flush;
2397	Coro::cede;	3194	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3195	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3196	warn "iterate...";
2400	}	3197	}
2401		3198
		3199	++$RELOAD;
		3200
2402	warn "cancelling all extension coros";	3201	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3203	%EXT_CORO = ();
2405		3204
2406	warn "removing commands";	3205	warn "removing commands";
2407	%COMMAND = ();	3206	%COMMAND = ();
2408		3207
2409	warn "removing ext commands";	3208	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2411		3211
2412	warn "unloading/nuking all extensions";	3212	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2415		3215
…		…
2445	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3247
2448	warn "unloading cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2450		3251
2451	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3253	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2454		3255
…		…
2457	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2458	require cf;	3259	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3261
2461	warn "loading config and database again";	3262	warn "loading config and database again";
2462	cf::cfg_load;	3263	cf::reload_config;
2463		3264
2464	warn "loading extensions";	3265	warn "loading extensions";
2465	cf::load_extensions;	3266	cf::load_extensions;
2466		3267
2467	warn "reattaching attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3269	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3270	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
		3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
2471		3274
2472	warn "loading reloadable resources";	3275	warn "leaving sync_job";
2473	load_resources;
2474		3276
2475	warn "restarting server ticker";	3277	1
2476		3278	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3279	warn $@;
2482	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
2483	exit 1;	3281	exit 1;
2484	}	3282	};
2485		3283
2486	warn "reloaded";	3284	warn "reloaded";
2487	};	3285	};
2488		3286
2489	our $RELOAD_WATCHER; # used only during reload	3287	our $RELOAD_WATCHER; # used only during reload
2490		3288
		3289	sub reload_perl() {
		3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
		3292
		3293	$RELOAD_WATCHER ||= Event->timer (
		3294	reentrant => 0,
		3295	after => 0,
		3296	data => WF_AUTOCANCEL,
		3297	cb => sub {
		3298	do_reload_perl;
		3299	undef $RELOAD_WATCHER;
		3300	},
		3301	);
		3302	}
		3303
2491	register_command "reload" => sub {	3304	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2493		3306
2494	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3308	$who->message ("reloading server.");
2496		3309	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3310	}
2510	};	3311	};
2511		3312
2512	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2513		3314
2514	my $bug_warning = 0;	3315	my $bug_warning = 0;
2515		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3341	reentrant => 0,
2518	parked => 1,	3342	parked => 1,
2519	prio => 0,	3343	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3349	unless ++$bug_warning > 10;
2526	return;	3350	return;
2527	}	3351	}
2528		3352
2529	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2530		3354
2531	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2532	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2534		3382
2535	$WAIT_FOR_TICK->broadcast;	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3385	Coro::async_pool {
2538	Event::sweep;	3386	write_runtime
2539	Coro::cede_notself;	3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
2540		3389	}
		3390
2541	# my $AFTER = Event::time;	3391	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3392	# warn $AFTER - $NOW;#d#
2543		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2544	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3405
2547	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2549	},	3415	},
2550	);	3416	);
2551		3417
2552	{	3418	{
2553	BDB::max_poll_time $TICK * 0.1;	3419	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3447
2582	cf::sync_job {	3448	cf::sync_job {
2583	eval {	3449	eval {
2584	BDB::db_env_open	3450	BDB::db_env_open
2585	$DB_ENV,	3451	$DB_ENV,
2586	$BDB_ENV_DIR,	3452	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3455	0666;
2590		3456
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3458
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3460	$DB_ENV->set_lk_detect;
2595	};	3461	};
2596		3462
…		…
2604		3470
2605	undef $Coro::AIO::WATCHER;	3471	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3472	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3473	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3474	reentrant => 0,
		3475	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3476	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3477	poll => 'r',
2611	prio => 6,	3478	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3479	cb => \&IO::AIO::poll_cb,
2614	);	3480	);
2615	}	3481	}
2616		3482
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3483	my $_log_backtrace;
2618	reentrant => 0,	3484
2619	data => WF_AUTOCANCEL,	3485	sub _log_backtrace {
2620	after => 1,	3486	my ($msg, @addr) = @_;
2621	interval => 10,	3487
2622	prio => 6, # keep it lowest so it acts like a watchdog	3488	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3489
2624	write_runtime	3490	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3518	}
2627	);	3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
2628		3523
2629	END { cf::emergency_save }	3524	END { cf::emergency_save }
2630		3525
2631	1	3526	1
2632		3527

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