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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.348 by root, Thu Aug 30 08:34:40 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
…		…
1018	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1019		1340
1020	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1021		1342
1022	$self	1343	$self
		1344	}
		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 (@_);
1023	}	1354	}
1024		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
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1386
1056	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
1057	}	1388	}
1058		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;
		1402	}
		1403
1059	=item cf::player::list_logins	1404	=item cf::player::list_logins
1060		1405
1061	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
1062	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1063		1408
1064	=cut	1409	=cut
1065		1410
1066	sub list_logins {	1411	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1413	or return [];
1069		1414
1070	my @logins;	1415	my @logins;
1071		1416
1072	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1107	}	1452	}
1108		1453
1109	\@paths	1454	\@paths
1110	}	1455	}
1111		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1113		1508
1114	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1115		1510
1116	=cut	1511	=cut
1117		1512
1118	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1120		1515
1121	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1517	}
1125		1518
1126	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1127		1559
1128	=back	1560	=back
1129
1130		1561
1131	=head3 cf::map	1562	=head3 cf::map
1132		1563
1133	=over 4	1564	=over 4
1134		1565
…		…
1189	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1190		1621
1191	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1192	local $self->{path};	1623	local $self->{path};
1193	local $self->{load_path};	1624	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1625
1197	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1198	}	1627	}
1199		1628
1200	sub normalise {	1629	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1248	return $self;	1677	return $self;
1249	}	1678	}
1250	}	1679	}
1251		1680
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1682	()
1254	}	1683	}
1255		1684
1256	sub init {	1685	sub init {
1257	my ($self) = @_;	1686	my ($self) = @_;
…		…
1272		1701
1273	# the original (read-only) location	1702	# the original (read-only) location
1274	sub load_path {	1703	sub load_path {
1275	my ($self) = @_;	1704	my ($self) = @_;
1276		1705
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1278	}	1707	}
1279		1708
1280	# the temporary/swap location	1709	# the temporary/swap location
1281	sub save_path {	1710	sub save_path {
1282	my ($self) = @_;	1711	my ($self) = @_;
1283		1712
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1286	}	1715	}
1287		1716
1288	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1289	sub uniq_path {	1718	sub uniq_path {
1290	my ($self) = @_;	1719	my ($self) = @_;
1291		1720
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1294	}	1723	}
1295		1724
1296	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1297	# all maps in C++...	1726	# all maps in C++...
1298	sub change_all_map_light {	1727	sub change_all_map_light {
1299	my ($change) = @_;	1728	my ($change) = @_;
1300		1729
1301	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1302	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1303	}	1740	}
1304		1741
1305	sub unlink_save {	1742	sub unlink_save {
1306	my ($self) = @_;	1743	my ($self) = @_;
1307		1744
…		…
1365	$self->load_header_orig	1802	$self->load_header_orig
1366	or return;	1803	or return;
1367	$self->prepare_orig;	1804	$self->prepare_orig;
1368	}	1805	}
1369		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1370	1	1813	1
1371	}	1814	}
1372		1815
1373	sub find;	1816	sub find;
1374	sub find {	1817	sub find {
…		…
1386	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1387		1830
1388	$map->load_header	1831	$map->load_header
1389	or return;	1832	or return;
1390		1833
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1394	$map->reset;	1837	$map->reset;
1395	undef $guard;	1838	undef $guard;
1396	return find $path;	1839	return find $path;
…		…
1407	my ($self) = @_;	1850	my ($self) = @_;
1408		1851
1409	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1410		1853
1411	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1412	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1413		1859
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1861
1416	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1417		1863
1418	$self->alloc;	1864	$self->alloc;
1419		1865
1420	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1421		1868
1422	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1423	or return;	1870	or return;
1424		1871
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426	if delete $self->{load_original};	1873	if delete $self->{load_original};
1427		1874
1428	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	1876	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1431	$self->clear_unique_items;	1878	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1433	}	1880	}
1434	}	1881	}
1435		1882
1436	Coro::cede;	1883	cf::cede_to_tick;
1437
1438	# now do the right thing for maps	1884	# now do the right thing for maps
1439	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	1887	unless $self->difficulty;
1449	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1450	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1904	}
1452		1905
1453	$self->post_load;	1906	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	1907	}
1457		1908
1458	sub customise_for {	1909	sub customise_for {
1459	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1460		1911
1461	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	1913	if $self->per_player;
1463		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1464	$self	1918	$self
1465	}	1919	}
1466		1920
1467	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	1922	sub load_neighbours {
1469	my ($map) = @_;	1923	my ($map) = @_;
1470		1924
1471	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1472		1926
1473	for (0 .. 3) {	1927	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1475	or next;	1929	or next;
1476	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1477	or next;	1931	or next;
1478	$neigh->load;	1932	$neigh->load;
1479		1933
		1934	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	1937	}
1483		1938
1484	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1486	or next;	1942	or next;
1487	$neigh->load;	1943	$neigh->load;
1488	}	1944	}
1489	}	1945	}
1490		1946
…		…
1495	}	1951	}
1496		1952
1497	sub do_load_sync {	1953	sub do_load_sync {
1498	my ($map) = @_;	1954	my ($map) = @_;
1499		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1500	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1501	}	1960	}
1502		1961
1503	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1505		1964
1506	sub find_async {	1965	sub find_async {
1507	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1508		1967
1509	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1510		1969
1511	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1513	}	1972	}
1514		1973
1515	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1516	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1517	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	1979	if (my $map = find $k) {
1520	or next;
1521	$map->load;	1980	$map->load if $v;
		1981	}
1522		1982
1523	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1524	}	1984	}
1525	}	1985	}
1526	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1527	};	1987	};
1528	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1531	}	1991	}
1532		1992
1533	sub save {	1993	sub save {
1534	my ($self) = @_;	1994	my ($self) = @_;
1535		1995
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1537		1997
1538	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1539		1999
1540	return unless $self->dirty;	2000	return unless $self->dirty;
1541		2001
…		…
1564	my ($self) = @_;	2024	my ($self) = @_;
1565		2025
1566	# save first because save cedes	2026	# save first because save cedes
1567	$self->save;	2027	$self->save;
1568		2028
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2030
1571	return if $self->players;	2031	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1573	return if $self->{deny_save};	2033	return if $self->{deny_save};
1574		2034
…		…
1578		2038
1579	sub reset_at {	2039	sub reset_at {
1580	my ($self) = @_;	2040	my ($self) = @_;
1581		2041
1582	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1585		2044
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2047
…		…
1599	my ($self) = @_;	2058	my ($self) = @_;
1600		2059
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2061
1603	return if $self->players;	2062	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2063
1606	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1607		2065
1608	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1609		2067
1610	# need to save uniques path	2068	# need to save uniques path
1611	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1643	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1644		2102
1645	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1646	}	2104	}
1647		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1648	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1649		2143
1650	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2145	instantiated unique items. May block.
1652		2146
1653	=cut	2147	=cut
1654		2148
1655	sub unique_maps() {	2149	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1657	or return;	2151	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2152	utf8::decode $_;
1663	next if /\.pst$/;	2153	/\.map$/
1664	next unless /^$PATH_SEP/o;	2154	? normalise $_
1665		2155	: ()
1666	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2157	]
1668
1669	\@paths
1670	}	2158	}
1671		2159
1672	package cf;	2160	package cf;
1673		2161
1674	=back	2162	=back
…		…
1720		2208
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2210
1723	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1725	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1728	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1729	}	2236	}
1730		2237
1731	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1732		2239
1733	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1780	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1781		2288
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2290
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1786		2293
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2295	}
1789		2296
1790	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1792		2301
1793	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1794		2303
1795	unless ($map) {	2304	unless ($map) {
1796	# restore original map position	2305	# restore original map position
…		…
1810	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1813		2322
1814	$map->load;	2323	$map->load;
1815	$map->load_diag;	2324	$map->load_neighbours;
1816		2325
1817	return unless $self->contr->active;	2326	return unless $self->contr->active;
1818	$self->activate_recursive;	2327	$self->activate_recursive;
1819		2328
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1822	}	2331	}
1823		2332
1824	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825	on_logout => sub {
1826	my ($pl) = @_;
1827		2334
1828	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1829	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1830	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1832	};	2339	be called at the end of this process.
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2340
1838	# try to abort aborted map switching on player login :)
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855
1856	=item $player_object->goto ($path, $x, $y)
1857
1858	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1859		2344
1860	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2350
1863	$self->enter_link;	2351	$self->enter_link;
1864		2352
1865	(async {	2353	(async {
1866	my $map = eval {	2354	my $map = eval {
1867	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
		2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
		2363
1869	$map	2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2370	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1874	})->prio (1);	2378	})->prio (1);
1875	}	2379	}
1876		2380
1877	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1878		2382
…		…
1917		2421
1918	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1919		2423
1920	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1921	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2426	my $meta = "$RANDOMDIR/$md5.meta";
1923		2427
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2430	undef $fh;
1927	aio_rename "$meta~", $meta;	2431	aio_rename "$meta~", $meta;
…		…
1936		2440
1937	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1938		2442
1939	if ($exit->slaying eq "/!") {	2443	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job	2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
1941	cf::sync_job { prepare_random_map $exit };	2447	cf::sync_job { prepare_random_map $exit };
1942	}	2448	}
1943		2449
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
1947		2453
1948	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1949		2459
1950	(async {	2460	(async {
1951	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1952	unless (eval {	2462	unless (eval {
1953	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
1954		2464
1955	1;	2465	1;
1956	}) {	2466	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1958	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2471
1962	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2473	$self->leave_link;
1964	}	2474	}
1965	})->prio (1);	2475	})->prio (1);
…		…
1978		2488
1979	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1981		2491
1982	utf8::encode $text;	2492	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2494	}
1985		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1986		2592
1987	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1988		2594
1989	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2598
1993	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2600	become reliable at some point in the future.
1995		2601
1996	=cut	2602	=cut
1997		2603
1998	sub cf::client::query {	2604	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2613	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2615
2010	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
2012	}	2620	}
2013		2621
2014	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
2015	on_reply => sub {	2628	on_reply => sub {
2016	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
2017		2630
2018	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2019	# get handled first	2632	# get handled first
…		…
2031	} else {	2644	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	2646	}
2034	}	2647	}
2035	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2036	);	2675	);
2037		2676
2038	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2039		2678
2040	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2083		2722
2084	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2085		2724
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2087		2730
2088	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2089		2732
2090	=pod	2733	=pod
2091		2734
2092	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2093		2736
2094	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2095	cf::object::player player	2741	cf::object::player
2096	cf::player peaceful	2742	player
2097	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2098		2749
2099	=cut	2750	=cut
2100		2751
2101	for (	2752	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2103	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2105	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2106	) {	2759	) {
2107	no strict 'refs';	2760	no strict 'refs';
…		…
2178	=back	2831	=back
2179		2832
2180	=cut	2833	=cut
2181		2834
2182	#############################################################################	2835	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	2836	# the server's init and main functions
2256		2837
2257	sub init_resources {	2838	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2839	my ($path) = @_;
		2840
		2841	# HACK to clear player env face cache, we need some signal framework
		2842	# for this (global event?)
		2843	%ext::player_env::MUSIC_FACE_CACHE = ();
		2844
		2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2846
		2847	warn "loading facedata from $path\n";
		2848
		2849	my $facedata;
		2850	0 < aio_load $path, $facedata
		2851	or die "$path: $!";
		2852
		2853	$facedata = Coro::Storable::thaw $facedata;
		2854
		2855	$facedata->{version} == 2
		2856	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2857
		2858	# patch in the exptable
		2859	$facedata->{resource}{"res/exp_table"} = {
		2860	type => FT_RSRC,
		2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2862	};
		2863	cf::cede_to_tick;
		2864
		2865	{
		2866	my $faces = $facedata->{faceinfo};
		2867
		2868	while (my ($face, $info) = each %$faces) {
		2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2870	cf::face::set_visibility $idx, $info->{visibility};
		2871	cf::face::set_magicmap $idx, $info->{magicmap};
		2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877
		2878	while (my ($face, $info) = each %$faces) {
		2879	next unless $info->{smooth};
		2880	my $idx = cf::face::find $face
		2881	or next;
		2882	if (my $smooth = cf::face::find $info->{smooth}) {
		2883	cf::face::set_smooth $idx, $smooth;
		2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2885	} else {
		2886	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2887	}
		2888
		2889	cf::cede_to_tick;
		2890	}
		2891	}
		2892
		2893	{
		2894	my $anims = $facedata->{animinfo};
		2895
		2896	while (my ($anim, $info) = each %$anims) {
		2897	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	cf::anim::invalidate_all; # d'oh
		2902	}
		2903
		2904	{
		2905	# TODO: for gcfclient pleasure, we should give resources
		2906	# that gcfclient doesn't grok a >10000 face index.
		2907	my $res = $facedata->{resource};
		2908
		2909	my $soundconf = delete $res->{"res/sound.conf"};
		2910
		2911	while (my ($name, $info) = each %$res) {
		2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2913	my $data;
		2914
		2915	if ($info->{type} & 1) {
		2916	# prepend meta info
		2917
		2918	my $meta = $enc->encode ({
		2919	name => $name,
		2920	%{ $info->{meta} || {} },
		2921	});
		2922
		2923	$data = pack "(w/a*)*", $meta, $info->{data};
		2924	} else {
		2925	$data = $info->{data};
		2926	}
		2927
		2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2929	cf::face::set_type $idx, $info->{type};
		2930
		2931	cf::cede_to_tick;
		2932	}
		2933
		2934	if ($soundconf) {
		2935	$soundconf = $enc->decode (delete $soundconf->{data});
		2936
		2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2938	my $sound = $soundconf->{compat}[$_]
		2939	or next;
		2940
		2941	my $face = cf::face::find "sound/$sound->[1]";
		2942	cf::sound::set $sound->[0] => $face;
		2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2944	}
		2945
		2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2947	my $face = cf::face::find "sound/$v";
		2948	cf::sound::set $k => $face;
		2949	}
		2950	}
		2951	}
		2952
		2953	1
		2954	}
		2955
		2956	register_exticmd fx_want => sub {
		2957	my ($ns, $want) = @_;
		2958
		2959	while (my ($k, $v) = each %$want) {
		2960	$ns->fx_want ($k, $v);
		2961	}
		2962	};
		2963
		2964	sub reload_regions {
		2965	# HACK to clear player env face cache, we need some signal framework
		2966	# for this (global event?)
		2967	%ext::player_env::MUSIC_FACE_CACHE = ();
		2968
		2969	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	2970	or die "unable to load regions file\n";
2260	}
2261		2971
2262	sub cfg_load {	2972	for (cf::region::list) {
		2973	$_->{match} = qr/$_->{match}/
		2974	if exists $_->{match};
		2975	}
		2976	}
		2977
		2978	sub reload_facedata {
		2979	load_facedata "$DATADIR/facedata"
		2980	or die "unable to load facedata\n";
		2981	}
		2982
		2983	sub reload_archetypes {
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	#d# NEED to laod twice to resolve forward references
		2987	# this really needs to be done in an extra post-pass
		2988	# (which needs to be synchronous, so solve it differently)
		2989	load_resource_file "$DATADIR/archetypes"
		2990	or die "unable to load archetypes\n";
		2991	}
		2992
		2993	sub reload_treasures {
		2994	load_resource_file "$DATADIR/treasures"
		2995	or die "unable to load treasurelists\n";
		2996	}
		2997
		2998	sub reload_resources {
		2999	warn "reloading resource files...\n";
		3000
		3001	reload_regions;
		3002	reload_facedata;
		3003	#reload_archetypes;#d#
		3004	reload_archetypes;
		3005	reload_treasures;
		3006
		3007	warn "finished reloading resource files\n";
		3008	}
		3009
		3010	sub init {
		3011	reload_resources;
		3012	}
		3013
		3014	sub reload_config {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3015	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3016	or return;
2265		3017
2266	local $/;	3018	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3019	*CFG = YAML::Syck::Load <$fh>;
2268		3020
…		…
2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3028	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277	and die "WARNING: m(un)lockall failed: $!\n";	3029	and die "WARNING: m(un)lockall failed: $!\n";
2278	};	3030	};
2279	warn $@ if $@;	3031	warn $@ if $@;
2280	}	3032	}
2281	}
2282
2283	sub init {
2284	init_resources;
2285	}	3033	}
2286		3034
2287	sub main {	3035	sub main {
2288	# we must not ever block the main coroutine	3036	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3037	local $Coro::idle = sub {
…		…
2291	(async {	3039	(async {
2292	Event::one_event;	3040	Event::one_event;
2293	})->prio (Coro::PRIO_MAX);	3041	})->prio (Coro::PRIO_MAX);
2294	};	3042	};
2295		3043
2296	cfg_load;	3044	reload_config;
2297	db_init;	3045	db_init;
2298	load_extensions;	3046	load_extensions;
2299		3047
2300	$TICK_WATCHER->start;	3048	$TICK_WATCHER->start;
2301	Event::loop;	3049	Event::loop;
…		…
2317	},	3065	},
2318	);	3066	);
2319	}	3067	}
2320	}	3068	}
2321		3069
		3070	sub write_runtime {
		3071	my $runtime = "$LOCALDIR/runtime";
		3072
		3073	# first touch the runtime file to show we are still running:
		3074	# the fsync below can take a very very long time.
		3075
		3076	IO::AIO::aio_utime $runtime, undef, undef;
		3077
		3078	my $guard = cf::lock_acquire "write_runtime";
		3079
		3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3081	or return;
		3082
		3083	my $value = $cf::RUNTIME + 90 + 10;
		3084	# 10 is the runtime save interval, for a monotonic clock
		3085	# 60 allows for the watchdog to kill the server.
		3086
		3087	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3088	and return;
		3089
		3090	# always fsync - this file is important
		3091	aio_fsync $fh
		3092	and return;
		3093
		3094	# touch it again to show we are up-to-date
		3095	aio_utime $fh, undef, undef;
		3096
		3097	close $fh
		3098	or return;
		3099
		3100	aio_rename "$runtime~", $runtime
		3101	and return;
		3102
		3103	warn "runtime file written.\n";
		3104
		3105	1
		3106	}
		3107
2322	sub emergency_save() {	3108	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3109	my $freeze_guard = cf::freeze_mainloop;
2324		3110
2325	warn "enter emergency perl save\n";	3111	warn "enter emergency perl save\n";
2326		3112
…		…
2357		3143
2358	warn Carp::longmess "post_cleanup backtrace"	3144	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3145	if $make_core;
2360	}	3146	}
2361		3147
2362	sub reload() {	3148	sub do_reload_perl() {
2363	# can/must only be called in main	3149	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3150	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3151	warn "can only reload from main coroutine";
2366	return;	3152	return;
2367	}	3153	}
…		…
2392	Coro::cede;	3178	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3179	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";	3180	warn "iterate...";
2395	}	3181	}
2396		3182
		3183	++$RELOAD;
		3184
2397	warn "cancelling all extension coros";	3185	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3186	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3187	%EXT_CORO = ();
2400		3188
2401	warn "removing commands";	3189	warn "removing commands";
2402	%COMMAND = ();	3190	%COMMAND = ();
2403		3191
2404	warn "removing ext commands";	3192	warn "removing ext/exti commands";
2405	%EXTCMD = ();	3193	%EXTCMD = ();
		3194	%EXTICMD = ();
2406		3195
2407	warn "unloading/nuking all extensions";	3196	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	3197	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	3198	warn "... unloading $pkg";
2410		3199
…		…
2440	Symbol::delete_package "safe::$_"	3229	Symbol::delete_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3231
2443	warn "unloading cf.pm \"a bit\"";	3232	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3233	delete $INC{"cf.pm"};
		3234	delete $INC{"cf/pod.pm"};
2445		3235
2446	# don't, removes xs symbols, too,	3236	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3237	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3238	#Symbol::delete_package __PACKAGE__;
2449		3239
…		…
2452	warn "reloading cf.pm";	3242	warn "reloading cf.pm";
2453	require cf;	3243	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2455		3245
2456	warn "loading config and database again";	3246	warn "loading config and database again";
2457	cf::cfg_load;	3247	cf::reload_config;
2458		3248
2459	warn "loading extensions";	3249	warn "loading extensions";
2460	cf::load_extensions;	3250	cf::load_extensions;
2461		3251
2462	warn "reattaching attachments to objects/players";	3252	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3253	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3254	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3255	reattach $_ for values %MAP;
2466		3256	warn "reattaching attachments to players";
2467	warn "loading reloadable resources";	3257	reattach $_ for values %PLAYER;
2468	init_resources;
2469		3258
2470	warn "leaving sync_job";	3259	warn "leaving sync_job";
2471		3260
2472	1	3261	1
2473	} or do {	3262	} or do {
…		…
2479	warn "reloaded";	3268	warn "reloaded";
2480	};	3269	};
2481		3270
2482	our $RELOAD_WATCHER; # used only during reload	3271	our $RELOAD_WATCHER; # used only during reload
2483		3272
		3273	sub reload_perl() {
		3274	# doing reload synchronously and two reloads happen back-to-back,
		3275	# coro crashes during coro_state_free->destroy here.
		3276
		3277	$RELOAD_WATCHER ||= Event->timer (
		3278	reentrant => 0,
		3279	after => 0,
		3280	data => WF_AUTOCANCEL,
		3281	cb => sub {
		3282	do_reload_perl;
		3283	undef $RELOAD_WATCHER;
		3284	},
		3285	);
		3286	}
		3287
2484	register_command "reload" => sub {	3288	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3289	my ($who, $arg) = @_;
2486		3290
2487	if ($who->flag (FLAG_WIZ)) {	3291	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3292	$who->message ("reloading server.");
2489		3293	async { reload_perl };
2490	# doing reload synchronously and two reloads happen back-to-back,
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);
2502	}	3294	}
2503	};	3295	};
2504		3296
2505	unshift @INC, $LIBDIR;	3297	unshift @INC, $LIBDIR;
2506		3298
2507	my $bug_warning = 0;	3299	my $bug_warning = 0;
2508		3300
		3301	our @WAIT_FOR_TICK;
		3302	our @WAIT_FOR_TICK_BEGIN;
		3303
		3304	sub wait_for_tick {
		3305	return unless $TICK_WATCHER->is_active;
		3306	return if $Coro::current == $Coro::main;
		3307
		3308	my $signal = new Coro::Signal;
		3309	push @WAIT_FOR_TICK, $signal;
		3310	$signal->wait;
		3311	}
		3312
		3313	sub wait_for_tick_begin {
		3314	return unless $TICK_WATCHER->is_active;
		3315	return if $Coro::current == $Coro::main;
		3316
		3317	my $signal = new Coro::Signal;
		3318	push @WAIT_FOR_TICK_BEGIN, $signal;
		3319	$signal->wait;
		3320	}
		3321
		3322	my $min = 1e6;#d#
		3323	my $avg = 10;
2509	$TICK_WATCHER = Event->timer (	3324	$TICK_WATCHER = Event->timer (
2510	reentrant => 0,	3325	reentrant => 0,
2511	parked => 1,	3326	parked => 1,
2512	prio => 0,	3327	prio => 0,
2513	at => $NEXT_TICK || $TICK,	3328	at => $NEXT_TICK || $TICK,
…		…
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3333	unless ++$bug_warning > 10;
2519	return;	3334	return;
2520	}	3335	}
2521		3336
2522	$NOW = Event::time;	3337	$NOW = $tick_start = Event::time;
2523		3338
2524	cf::server_tick; # one server iteration	3339	cf::server_tick; # one server iteration
		3340
		3341	0 && sync_job {#d#
		3342	for(1..10) {
		3343	my $t = Event::time;
		3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3345	or die;
		3346
		3347	$map->width (50);
		3348	$map->height (50);
		3349	$map->alloc;
		3350	$map->_load_objects ("/tmp/x.map", 1);
		3351	my $t = Event::time - $t;
		3352
		3353	#next unless $t < 0.0013;#d#
		3354	if ($t < $min) {
		3355	$min = $t;
		3356	}
		3357	$avg = $avg * 0.99 + $t * 0.01;
		3358	}
		3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3360	exit 0;
		3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3362	};
		3363
2525	$RUNTIME += $TICK;	3364	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;	3365	$NEXT_TICK += $TICK;
2527		3366
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2531	write_runtime	3370	write_runtime
2532	or warn "ERROR: unable to write runtime file: $!";	3371	or warn "ERROR: unable to write runtime file: $!";
2533	};	3372	};
2534	}	3373	}
2535		3374
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;	3375	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#	3376	# warn $AFTER - $NOW;#d#
2541		3377
		3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3379	$sig->send;
		3380	}
		3381	while (my $sig = shift @WAIT_FOR_TICK) {
		3382	$sig->send;
		3383	}
		3384
		3385	$NOW = Event::time;
		3386
2542	# if we are delayed by four ticks or more, skip them all	3387	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2544		3389
2545	$TICK_WATCHER->at ($NEXT_TICK);	3390	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;	3391	$TICK_WATCHER->start;
		3392
		3393	$LOAD = ($NOW - $tick_start) / $TICK;
		3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3395
		3396	_post_tick;
		3397
		3398
2547	},	3399	},
2548	);	3400	);
2549		3401
2550	{	3402	{
2551	BDB::max_poll_time $TICK * 0.1;	3403	BDB::max_poll_time $TICK * 0.1;
…		…
2579		3431
2580	cf::sync_job {	3432	cf::sync_job {
2581	eval {	3433	eval {
2582	BDB::db_env_open	3434	BDB::db_env_open
2583	$DB_ENV,	3435	$DB_ENV,
2584	$BDB_ENV_DIR,	3436	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3439	0666;
2588		3440
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590		3442
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;	3444	$DB_ENV->set_lk_detect;
2593	};	3445	};
2594		3446
…		…
2610	prio => 6,	3462	prio => 6,
2611	cb => \&IO::AIO::poll_cb,	3463	cb => \&IO::AIO::poll_cb,
2612	);	3464	);
2613	}	3465	}
2614		3466
		3467	my $_log_backtrace;
		3468
		3469	sub _log_backtrace {
		3470	my ($msg, @addr) = @_;
		3471
		3472	$msg =~ s/\n//;
		3473
		3474	# limit the # of concurrent backtraces
		3475	if ($_log_backtrace < 2) {
		3476	++$_log_backtrace;
		3477	async {
		3478	my @bt = fork_call {
		3479	@addr = map { sprintf "%x", $_ } @addr;
		3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3482	or die "addr2line: $!";
		3483
		3484	my @funcs;
		3485	my @res = <$fh>;
		3486	chomp for @res;
		3487	while (@res) {
		3488	my ($func, $line) = splice @res, 0, 2, ();
		3489	push @funcs, "[$func] $line";
		3490	}
		3491
		3492	@funcs
		3493	};
		3494
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] $_\n" for @bt;
		3497	--$_log_backtrace;
		3498	};
		3499	} else {
		3500	LOG llevInfo, "[ABT] $msg\n";
		3501	LOG llevInfo, "[ABT] [suppressed]\n";
		3502	}
		3503	}
		3504
		3505	# load additional modules
		3506	use cf::pod;
		3507
2615	END { cf::emergency_save }	3508	END { cf::emergency_save }
2616		3509
2617	1	3510	1
2618		3511

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