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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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;
…		…
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
…		…
266		308
267	Coro::guard {	309	Coro::guard {
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	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
271	}	319	}
272		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
…		…
278	};	326	};
279	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
280	$guard	328	$guard
281	}	329	}
282		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;
		385	}
		386
283	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
284		388
285	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
290		394
291	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
292		396
293	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
294		398
295	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)
296	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
297	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.
298		403
299	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
300	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
301	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
302	fast or be very important.	407	fast or be very important.
…		…
305		410
306	sub sync_job(&) {	411	sub sync_job(&) {
307	my ($job) = @_;	412	my ($job) = @_;
308		413
309	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
310	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
312		419
313	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
325		432
326	while ($busy) {	433	while ($busy) {
327	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
328	}	435	}
329		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
330	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
331	} else {	445	} else {
332	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
333		447
334	$job->()	448	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
354		468
355	$coro	469	$coro
356	}	470	}
357		471
358	sub write_runtime {	472	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		473
361	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.
362		478
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
364	or return;
365		480
366	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		483
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
371	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
372		487
373	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	489	reset_signals;
375	and return;	490	&$cb
		491	}, @args;
376		492
377	close $fh	493	wantarray ? @res : $res[-1]
378	or return;	494	}
379		495
380	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
381	and return;
382		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	};
383	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 });
384	}	621	}
385		622
386	=back	623	=back
387		624
388	=cut	625	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
397		634
398	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>
399	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
400	crossfire+).	637	Crossfire TRT).
401		638
402	=over 4	639	=over 4
403		640
404	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
405		642
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
569		806
570	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		811
575	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	813	my $pkg = shift @arg;
577		814
578	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
608	}	845	}
609		846
610	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
611	} else {	848	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	850	}
614		851
615	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
616	}	853	}
617		854
…		…
619	if (ref $_[0]) {	856	if (ref $_[0]) {
620	_object_attach @_;	857	_object_attach @_;
621	} else {	858	} else {
622	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
623	}	860	}
		861	_recalc_want;
624	};	862	};
625		863
626	# all those should be optimised	864	# all those should be optimised
627	sub cf::attachable::detach {	865	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
632	reattach ($obj);	870	reattach ($obj);
633	} else {	871	} else {
634	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
635	}	873	}
		874	_recalc_want;
636	};	875	};
637		876
638	sub cf::attachable::attached {	877	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
640		879
…		…
655	";	894	";
656	die if $@;	895	die if $@;
657	}	896	}
658		897
659	our $override;	898	our $override;
660	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?
661		900
662	sub override {	901	sub override {
663	$override = 1;	902	$override = 1;
664	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
665	}	904	}
666		905
667	sub do_invoke {	906	sub do_invoke {
668	my $event = shift;	907	my $event = shift;
669	my $callbacks = shift;	908	my $callbacks = shift;
670		909
671	@invoke_results = ();	910	@INVOKE_RESULTS = ();
672		911
673	local $override;	912	local $override;
674		913
675	for (@$callbacks) {	914	for (@$callbacks) {
676	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
693		932
694	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
695		934
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		938
700	=back	939	=back
701		940
702	=cut	941	=cut
703		942
704	#############################################################################	943	#############################################################################
705	# 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	}
706		956
707	sub reattach {	957	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	959	my ($obj) = @_;
710		960
…		…
813	or return;	1063	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1065	}
816		1066
817	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1069	return ($data, $av);
820	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
821		1077
822	#############################################################################	1078	#############################################################################
823	# command handling &c	1079	# command handling &c
824		1080
825	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1095	}
840		1096
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1098
843	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.
844		1104
845	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
846	called.	1106	called.
847		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
848	=cut	1119	=cut
849		1120
850	sub register_extcmd {	1121	sub register_extcmd {
851	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
852		1123
853	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
854	}	1131	}
855		1132
856	cf::player->attach (	1133	cf::player->attach (
857	on_command => sub {	1134	on_command => sub {
858	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1144	cf::override;
868	},	1145	},
869	on_extcmd => sub {	1146	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
871		1148
872	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1150
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
880	} else {	1166	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1168	}
883		1169
884	cf::override;	1170	cf::override;
885	},	1171	},
886	);	1172	);
887		1173
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
923	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1179	next unless -r $path;
925	eval {	1180
926	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;
927	1	1238	}
928	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
929	}	1244	};
930	}	1245	}
931		1246
932	#############################################################################	1247	#############################################################################
933		1248
		1249	=back
		1250
934	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
935		1252
936	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
937		1254
938	=cut	1255	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
951		1268
952	=cut	1269	=cut
953		1270
954	sub playerdir($) {	1271	sub playerdir($) {
955	cf::localdir	1272	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1274	}
961		1275
962	sub path($) {	1276	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1278
965	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
966	}	1280	}
967		1281
968	sub find_active($) {	1282	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1297	my $login = $_[0];
984		1298
985	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
986		1300
987	$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
988	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
989	or return;	1310	or return;
990	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
991	}	1312	}
992	}	1313	}
…		…
1004		1325
1005	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1007		1328
1008	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1009	Coro::cede;	1330	cf::cede_to_tick;
1010	}	1331	}
1011		1332
1012	sub new($) {	1333	sub new($) {
1013	my ($login) = @_;	1334	my ($login) = @_;
1014		1335
…		…
1020	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1021		1342
1022	$self	1343	$self
1023	}	1344	}
1024		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
1025	=item $pl->quit_character	1356	=item $pl->quit_character
1026		1357
1027	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
1028	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1029		1360
1030	=cut	1361	=cut
1031		1362
1032	sub quit_character {	1363	sub quit_character {
1033	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1034		1367
1035	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1036	$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
1037		1370
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1402	}
1050		1403
1051	=item cf::player::list_logins	1404	=item cf::player::list_logins
1052		1405
1053	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
1054	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1055		1408
1056	=cut	1409	=cut
1057		1410
1058	sub list_logins {	1411	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1413	or return [];
1061		1414
1062	my @logins;	1415	my @logins;
1063		1416
1064	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1099	}	1452	}
1100		1453
1101	\@paths	1454	\@paths
1102	}	1455	}
1103		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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1105		1509
1106	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1107		1511
1108	=cut	1512	=cut
1109		1513
1110	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1112		1516
1113	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1518	}
1117		1519
1118	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1119		1560
1120	=back	1561	=back
1121
1122		1562
1123	=head3 cf::map	1563	=head3 cf::map
1124		1564
1125	=over 4	1565	=over 4
1126		1566
…		…
1181	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1182		1622
1183	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1184	local $self->{path};	1624	local $self->{path};
1185	local $self->{load_path};	1625	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1626
1189	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1190	}	1628	}
1191		1629
1192	sub normalise {	1630	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1240	return $self;	1678	return $self;
1241	}	1679	}
1242	}	1680	}
1243		1681
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1683	()
1246	}	1684	}
1247		1685
1248	sub init {	1686	sub init {
1249	my ($self) = @_;	1687	my ($self) = @_;
…		…
1264		1702
1265	# the original (read-only) location	1703	# the original (read-only) location
1266	sub load_path {	1704	sub load_path {
1267	my ($self) = @_;	1705	my ($self) = @_;
1268		1706
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1270	}	1708	}
1271		1709
1272	# the temporary/swap location	1710	# the temporary/swap location
1273	sub save_path {	1711	sub save_path {
1274	my ($self) = @_;	1712	my ($self) = @_;
1275		1713
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1278	}	1716	}
1279		1717
1280	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1281	sub uniq_path {	1719	sub uniq_path {
1282	my ($self) = @_;	1720	my ($self) = @_;
1283		1721
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1286	}	1724	}
1287		1725
1288	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1289	# all maps in C++...	1727	# all maps in C++...
1290	sub change_all_map_light {	1728	sub change_all_map_light {
1291	my ($change) = @_;	1729	my ($change) = @_;
1292		1730
1293	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1295	}	1741	}
1296		1742
1297	sub unlink_save {	1743	sub unlink_save {
1298	my ($self) = @_;	1744	my ($self) = @_;
1299		1745
…		…
1357	$self->load_header_orig	1803	$self->load_header_orig
1358	or return;	1804	or return;
1359	$self->prepare_orig;	1805	$self->prepare_orig;
1360	}	1806	}
1361		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1362	1	1814	1
1363	}	1815	}
1364		1816
1365	sub find;	1817	sub find;
1366	sub find {	1818	sub find {
…		…
1378	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1379		1831
1380	$map->load_header	1832	$map->load_header
1381	or return;	1833	or return;
1382		1834
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1838	$map->reset;
1387	undef $guard;	1839	undef $guard;
1388	return find $path;	1840	return find $path;
…		…
1399	my ($self) = @_;	1851	my ($self) = @_;
1400		1852
1401	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1402		1854
1403	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1404	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1405		1860
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1862
1408	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1409		1864
1410	$self->alloc;	1865	$self->alloc;
1411		1866
1412	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1413		1869
1414	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1415	or return;	1871	or return;
1416		1872
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	1874	if delete $self->{load_original};
1419		1875
1420	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	1877	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1423	$self->clear_unique_items;	1879	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1425	}	1881	}
1426	}	1882	}
1427		1883
1428	Coro::cede;	1884	cf::cede_to_tick;
1429
1430	# now do the right thing for maps	1885	# now do the right thing for maps
1431	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1888	unless $self->difficulty;
1441	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1442	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1905	}
1444		1906
1445	$self->post_load;	1907	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1908	}
1449		1909
1450	sub customise_for {	1910	sub customise_for {
1451	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1452		1912
1453	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1914	if $self->per_player;
1455		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1456	$self	1919	$self
1457	}	1920	}
1458		1921
1459	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	1923	sub load_neighbours {
1461	my ($map) = @_;	1924	my ($map) = @_;
1462		1925
1463	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1464		1927
1465	for (0 .. 3) {	1928	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1467	or next;	1930	or next;
1468	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1469	or next;	1932	or next;
1470	$neigh->load;	1933	$neigh->load;
1471		1934
		1935	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	1938	}
1475		1939
1476	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1478	or next;	1943	or next;
1479	$neigh->load;	1944	$neigh->load;
1480	}	1945	}
1481	}	1946	}
1482		1947
…		…
1487	}	1952	}
1488		1953
1489	sub do_load_sync {	1954	sub do_load_sync {
1490	my ($map) = @_;	1955	my ($map) = @_;
1491		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1492	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1493	}	1961	}
1494		1962
1495	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1497		1965
1498	sub find_async {	1966	sub find_async {
1499	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1500		1968
1501	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1502		1970
1503	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	1973	}
1506		1974
1507	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1508	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1509	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	1980	if (my $map = find $k) {
1512	or next;
1513	$map->load;	1981	$map->load if $v;
		1982	}
1514		1983
1515	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1516	}	1985	}
1517	}	1986	}
1518	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1519	};	1988	};
1520	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1523	}	1992	}
1524		1993
1525	sub save {	1994	sub save {
1526	my ($self) = @_;	1995	my ($self) = @_;
1527		1996
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		1998
1530	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1531		2000
1532	return unless $self->dirty;	2001	return unless $self->dirty;
1533		2002
…		…
1556	my ($self) = @_;	2025	my ($self) = @_;
1557		2026
1558	# save first because save cedes	2027	# save first because save cedes
1559	$self->save;	2028	$self->save;
1560		2029
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2031
1563	return if $self->players;	2032	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2034	return if $self->{deny_save};
1566		2035
…		…
1570		2039
1571	sub reset_at {	2040	sub reset_at {
1572	my ($self) = @_;	2041	my ($self) = @_;
1573		2042
1574	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1577		2045
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2048
…		…
1591	my ($self) = @_;	2059	my ($self) = @_;
1592		2060
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2062
1595	return if $self->players;	2063	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2064
1598	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1599		2066
1600	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1601		2068
1602	# need to save uniques path	2069	# need to save uniques path
1603	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1620	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1621		2088
1622	sub nuke {	2089	sub nuke {
1623	my ($self) = @_;	2090	my ($self) = @_;
1624		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1625	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1626		2096
1627	$self->unlink_save;	2097	$self->unlink_save;
1628		2098
1629	bless $self, "cf::map";	2099	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2104
1635	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1636		2107
1637	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1638	}	2145	}
1639		2146
1640	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1641		2148
1642	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2150	instantiated unique items. May block.
1644		2151
1645	=cut	2152	=cut
1646		2153
1647	sub unique_maps() {	2154	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1649	or return;	2156	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2157	utf8::decode $_;
1655	next if /\.pst$/;	2158	/\.map$/
1656	next unless /^$PATH_SEP/o;	2159	? normalise $_
1657		2160	: ()
1658	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2162	]
1660
1661	\@paths
1662	}	2163	}
1663		2164
1664	package cf;	2165	package cf;
1665		2166
1666	=back	2167	=back
…		…
1712		2213
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2215
1715	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1717	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1720	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1721	}	2241	}
1722		2242
1723	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1724		2244
1725	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1773		2293
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2295
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1778		2298
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2300	}
1781		2301
1782	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1784		2306
1785	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1786		2308
1787	unless ($map) {	2309	unless ($map) {
1788	# restore original map position	2310	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1805		2327
1806	$map->load;	2328	$map->load;
1807	$map->load_diag;	2329	$map->load_neighbours;
1808		2330
1809	return unless $self->contr->active;	2331	return unless $self->contr->active;
1810	$self->activate_recursive;	2332	$self->activate_recursive;
1811		2333
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1814	}	2336	}
1815		2337
1816	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2339
1820	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1824	};	2344	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2345
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1851		2349
1852	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2355
1855	$self->enter_link;	2356	$self->enter_link;
1856		2357
1857	(async {	2358	(async {
1858	my $map = eval {	2359	my $map = eval {
1859	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1861	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2375	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1866	})->prio (1);	2383	})->prio (1);
1867	}	2384	}
1868		2385
1869	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1870		2387
…		…
1909		2426
1910	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1911		2428
1912	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1915		2432
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2435	undef $fh;
1919	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1928		2445
1929	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1930		2447
1931	if ($exit->slaying eq "/!") {	2448	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2452	cf::sync_job { prepare_random_map $exit };
1934	}	2453	}
1935		2454
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
1939		2458
1940	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1941		2464
1942	(async {	2465	(async {
1943	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2467	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
1946		2469
1947	1;	2470	1;
1948	}) {	2471	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2476
1954	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2478	$self->leave_link;
1956	}	2479	}
1957	})->prio (1);	2480	})->prio (1);
…		…
1970		2493
1971	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1973		2496
1974	utf8::encode $text;	2497	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2499	}
1977		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
		2581	=item $client->ext_msg ($type, @msg)
		2582
		2583	Sends an ext event to the client.
		2584
		2585	=cut
		2586
		2587	sub cf::client::ext_msg($$@) {
		2588	my ($self, $type, @msg) = @_;
		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
		2593	push @msg, msgtype => "event_$type";
		2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
		2614	}
1978		2615
1979	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
1980		2617
1981	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2621
1985	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2623	become reliable at some point in the future.
1987		2624
1988	=cut	2625	=cut
1989		2626
1990	sub cf::client::query {	2627	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2636	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2638
2002	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
2004	}	2643	}
2005		2644
2006	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
2007	on_reply => sub {	2651	on_reply => sub {
2008	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
2009		2653
2010	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
2011	# get handled first	2655	# get handled first
…		…
2023	} else {	2667	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2669	}
2026	}	2670	}
2027	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
2028	);	2698	);
2029		2699
2030	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
2031		2701
2032	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2075		2745
2076	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2077		2747
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2079		2753
2080	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2081		2755
2082	=pod	2756	=pod
2083		2757
2084	The following fucntions and emthods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2085		2759
2086	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2087	cf::object::player player	2764	cf::object::player
2088	cf::player peaceful	2765	player
2089	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2090		2772
2091	=cut	2773	=cut
2092		2774
2093	for (	2775	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2098	) {	2782	) {
2099	no strict 'refs';	2783	no strict 'refs';
…		…
2170	=back	2854	=back
2171		2855
2172	=cut	2856	=cut
2173		2857
2174	#############################################################################	2858	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	2859	# the server's init and main functions
2248		2860
2249	sub init_resources {	2861	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2862	my ($path) = @_;
		2863
		2864	# HACK to clear player env face cache, we need some signal framework
		2865	# for this (global event?)
		2866	%ext::player_env::MUSIC_FACE_CACHE = ();
		2867
		2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2869
		2870	warn "loading facedata from $path\n";
		2871
		2872	my $facedata;
		2873	0 < aio_load $path, $facedata
		2874	or die "$path: $!";
		2875
		2876	$facedata = Coro::Storable::thaw $facedata;
		2877
		2878	$facedata->{version} == 2
		2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2880
		2881	# patch in the exptable
		2882	$facedata->{resource}{"res/exp_table"} = {
		2883	type => FT_RSRC,
		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2885	};
		2886	cf::cede_to_tick;
		2887
		2888	{
		2889	my $faces = $facedata->{faceinfo};
		2890
		2891	while (my ($face, $info) = each %$faces) {
		2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2893	cf::face::set_visibility $idx, $info->{visibility};
		2894	cf::face::set_magicmap $idx, $info->{magicmap};
		2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2897
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	while (my ($face, $info) = each %$faces) {
		2902	next unless $info->{smooth};
		2903	my $idx = cf::face::find $face
		2904	or next;
		2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
		2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2908	} else {
		2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2910	}
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914	}
		2915
		2916	{
		2917	my $anims = $facedata->{animinfo};
		2918
		2919	while (my ($anim, $info) = each %$anims) {
		2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2921	cf::cede_to_tick;
		2922	}
		2923
		2924	cf::anim::invalidate_all; # d'oh
		2925	}
		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
		2976	1
		2977	}
		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
		2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	2993	or die "unable to load regions file\n";
2252	}
2253		2994
2254	sub cfg_load {	2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
		2999	}
		3000
		3001	sub reload_facedata {
		3002	load_facedata "$DATADIR/facedata"
		3003	or die "unable to load facedata\n";
		3004	}
		3005
		3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
		3014	}
		3015
		3016	sub reload_treasures {
		3017	load_resource_file "$DATADIR/treasures"
		3018	or die "unable to load treasurelists\n";
		3019	}
		3020
		3021	sub reload_resources {
		3022	warn "reloading resource files...\n";
		3023
		3024	reload_regions;
		3025	reload_facedata;
		3026	#reload_archetypes;#d#
		3027	reload_archetypes;
		3028	reload_treasures;
		3029
		3030	warn "finished reloading resource files\n";
		3031	}
		3032
		3033	sub init {
		3034	reload_resources;
		3035	}
		3036
		3037	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3039	or return;
2257		3040
2258	local $/;	3041	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
2260		3043
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3051	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	3052	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	3053	};
2271	warn $@ if $@;	3054	warn $@ if $@;
2272	}	3055	}
2273	}
2274
2275	sub init {
2276	init_resources;
2277	}	3056	}
2278		3057
2279	sub main {	3058	sub main {
2280	# we must not ever block the main coroutine	3059	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3060	local $Coro::idle = sub {
…		…
2283	(async {	3062	(async {
2284	Event::one_event;	3063	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2286	};	3065	};
2287		3066
2288	cfg_load;	3067	reload_config;
2289	db_init;	3068	db_init;
2290	load_extensions;	3069	load_extensions;
2291		3070
2292	$TICK_WATCHER->start;	3071	$TICK_WATCHER->start;
2293	Event::loop;	3072	Event::loop;
…		…
2309	},	3088	},
2310	);	3089	);
2311	}	3090	}
2312	}	3091	}
2313		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
2314	sub emergency_save() {	3131	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2316		3133
2317	warn "enter emergency perl save\n";	3134	warn "enter emergency perl save\n";
2318		3135
…		…
2349		3166
2350	warn Carp::longmess "post_cleanup backtrace"	3167	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3168	if $make_core;
2352	}	3169	}
2353		3170
2354	sub reload() {	3171	sub do_reload_perl() {
2355	# can/must only be called in main	3172	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3173	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3174	warn "can only reload from main coroutine";
2358	return;	3175	return;
2359	}	3176	}
…		…
2384	Coro::cede;	3201	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3202	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3203	warn "iterate...";
2387	}	3204	}
2388		3205
		3206	++$RELOAD;
		3207
2389	warn "cancelling all extension coros";	3208	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3209	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3210	%EXT_CORO = ();
2392		3211
2393	warn "removing commands";	3212	warn "removing commands";
2394	%COMMAND = ();	3213	%COMMAND = ();
2395		3214
2396	warn "removing ext commands";	3215	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2398		3218
2399	warn "unloading/nuking all extensions";	3219	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2402		3222
…		…
2432	Symbol::delete_package "safe::$_"	3252	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3254
2435	warn "unloading cf.pm \"a bit\"";	3255	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3256	delete $INC{"cf.pm"};
		3257	delete $INC{"cf/pod.pm"};
2437		3258
2438	# don't, removes xs symbols, too,	3259	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3260	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3261	#Symbol::delete_package __PACKAGE__;
2441		3262
…		…
2444	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2445	require cf;	3266	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3268
2448	warn "loading config and database again";	3269	warn "loading config and database again";
2449	cf::cfg_load;	3270	cf::reload_config;
2450		3271
2451	warn "loading extensions";	3272	warn "loading extensions";
2452	cf::load_extensions;	3273	cf::load_extensions;
2453		3274
2454	warn "reattaching attachments to objects/players";	3275	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3276	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3277	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3278	reattach $_ for values %MAP;
2458		3279	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3280	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3281
2462	warn "leaving sync_job";	3282	warn "leaving sync_job";
2463		3283
2464	1	3284	1
2465	} or do {	3285	} or do {
…		…
2471	warn "reloaded";	3291	warn "reloaded";
2472	};	3292	};
2473		3293
2474	our $RELOAD_WATCHER; # used only during reload	3294	our $RELOAD_WATCHER; # used only during reload
2475		3295
		3296	sub reload_perl() {
		3297	# doing reload synchronously and two reloads happen back-to-back,
		3298	# coro crashes during coro_state_free->destroy here.
		3299
		3300	$RELOAD_WATCHER ||= Event->timer (
		3301	reentrant => 0,
		3302	after => 0,
		3303	data => WF_AUTOCANCEL,
		3304	cb => sub {
		3305	do_reload_perl;
		3306	undef $RELOAD_WATCHER;
		3307	},
		3308	);
		3309	}
		3310
2476	register_command "reload" => sub {	3311	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3312	my ($who, $arg) = @_;
2478		3313
2479	if ($who->flag (FLAG_WIZ)) {	3314	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3315	$who->message ("reloading server.");
2481		3316	async { reload_perl };
2482	# doing reload synchronously and two reloads happen back-to-back,
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);
2494	}	3317	}
2495	};	3318	};
2496		3319
2497	unshift @INC, $LIBDIR;	3320	unshift @INC, $LIBDIR;
2498		3321
2499	my $bug_warning = 0;	3322	my $bug_warning = 0;
2500		3323
		3324	our @WAIT_FOR_TICK;
		3325	our @WAIT_FOR_TICK_BEGIN;
		3326
		3327	sub wait_for_tick {
		3328	return unless $TICK_WATCHER->is_active;
		3329	return if $Coro::current == $Coro::main;
		3330
		3331	my $signal = new Coro::Signal;
		3332	push @WAIT_FOR_TICK, $signal;
		3333	$signal->wait;
		3334	}
		3335
		3336	sub wait_for_tick_begin {
		3337	return unless $TICK_WATCHER->is_active;
		3338	return if $Coro::current == $Coro::main;
		3339
		3340	my $signal = new Coro::Signal;
		3341	push @WAIT_FOR_TICK_BEGIN, $signal;
		3342	$signal->wait;
		3343	}
		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2501	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3348	reentrant => 0,
2503	parked => 1,	3349	parked => 1,
2504	prio => 0,	3350	prio => 0,
2505	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3356	unless ++$bug_warning > 10;
2511	return;	3357	return;
2512	}	3358	}
2513		3359
2514	$NOW = Event::time;	3360	$NOW = $tick_start = Event::time;
2515		3361
2516	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
		3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3385	};
		3386
2517	$RUNTIME += $TICK;	3387	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2519		3389
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2523	write_runtime	3393	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3394	or warn "ERROR: unable to write runtime file: $!";
2525	};	3395	};
2526	}	3396	}
2527		3397
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;	3398	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3399	# warn $AFTER - $NOW;#d#
2533		3400
		3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3402	$sig->send;
		3403	}
		3404	while (my $sig = shift @WAIT_FOR_TICK) {
		3405	$sig->send;
		3406	}
		3407
		3408	$NOW = Event::time;
		3409
2534	# if we are delayed by four ticks or more, skip them all	3410	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3412
2537	$TICK_WATCHER->at ($NEXT_TICK);	3413	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3414	$TICK_WATCHER->start;
		3415
		3416	$LOAD = ($NOW - $tick_start) / $TICK;
		3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3418
		3419	_post_tick;
		3420
		3421
2539	},	3422	},
2540	);	3423	);
2541		3424
2542	{	3425	{
2543	BDB::max_poll_time $TICK * 0.1;	3426	BDB::max_poll_time $TICK * 0.1;
…		…
2571		3454
2572	cf::sync_job {	3455	cf::sync_job {
2573	eval {	3456	eval {
2574	BDB::db_env_open	3457	BDB::db_env_open
2575	$DB_ENV,	3458	$DB_ENV,
2576	$BDB_ENV_DIR,	3459	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3462	0666;
2580		3463
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582		3465
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;	3467	$DB_ENV->set_lk_detect;
2585	};	3468	};
2586		3469
…		…
2602	prio => 6,	3485	prio => 6,
2603	cb => \&IO::AIO::poll_cb,	3486	cb => \&IO::AIO::poll_cb,
2604	);	3487	);
2605	}	3488	}
2606		3489
		3490	my $_log_backtrace;
		3491
		3492	sub _log_backtrace {
		3493	my ($msg, @addr) = @_;
		3494
		3495	$msg =~ s/\n//;
		3496
		3497	# limit the # of concurrent backtraces
		3498	if ($_log_backtrace < 2) {
		3499	++$_log_backtrace;
		3500	async {
		3501	my @bt = fork_call {
		3502	@addr = map { sprintf "%x", $_ } @addr;
		3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3505	or die "addr2line: $!";
		3506
		3507	my @funcs;
		3508	my @res = <$fh>;
		3509	chomp for @res;
		3510	while (@res) {
		3511	my ($func, $line) = splice @res, 0, 2, ();
		3512	push @funcs, "[$func] $line";
		3513	}
		3514
		3515	@funcs
		3516	};
		3517
		3518	LOG llevInfo, "[ABT] $msg\n";
		3519	LOG llevInfo, "[ABT] $_\n" for @bt;
		3520	--$_log_backtrace;
		3521	};
		3522	} else {
		3523	LOG llevInfo, "[ABT] $msg\n";
		3524	LOG llevInfo, "[ABT] [suppressed]\n";
		3525	}
		3526	}
		3527
		3528	# load additional modules
		3529	use cf::pod;
		3530
2607	END { cf::emergency_save }	3531	END { cf::emergency_save }
2608		3532
2609	1	3533	1
2610		3534

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