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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		42
36	$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
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
…		…
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our %PLAYER; # all users
74	our %MAP; # all maps	93	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	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
119	every server tick.	133	every server tick.
120		134
121	=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
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	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.
133		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	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
142	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
143	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.
144	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.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
158	LOG llevError, $msg;	193	LOG llevError, $msg;
159	};	194	};
160	}	195	}
161		196
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		204
169	# 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
170	# within the Safe compartment.	206	# within the Safe compartment.
171	for my $pkg (qw(	207	for my $pkg (qw(
172	cf::global cf::attachable	208	cf::global cf::attachable
…		…
180	}	216	}
181		217
182	$Event::DIED = sub {	218	$Event::DIED = sub {
183	warn "error in event callback: @_";	219	warn "error in event callback: @_";
184	};	220	};
		221
		222	#############################################################################
185		223
186	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
187		225
188	=over 4	226	=over 4
189		227
…		…
208	$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;
209	$d	247	$d
210	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
211	}	249	}
212		250
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
216		252
217	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
218		254
219	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
220		256
221	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
222		265
223	=item cf::lock_wait $string	266	=item cf::lock_wait $string
224		267
225	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
226		269
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
232	returned.	275	returned.
233		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
234	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
235	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.
236		286
237	=cut	287	=cut
238		288
239	our %LOCK;	289	our %LOCK;
240		290
…		…
258		308
259	Coro::guard {	309	Coro::guard {
260	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
262	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
263	}	319	}
264		320
265	sub freeze_mainloop {	321	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
267		323
…		…
270	};	326	};
271	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
272	$guard	328	$guard
273	}	329	}
274		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
275	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
276		388
277	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
278	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
279	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.
…		…
282		394
283	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
284		396
285	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
286		398
287	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)
288	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
289	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.
290		403
291	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
292	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
293	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
294	fast or be very important.	407	fast or be very important.
…		…
297		410
298	sub sync_job(&) {	411	sub sync_job(&) {
299	my ($job) = @_;	412	my ($job) = @_;
300		413
301	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
302	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
304		419
305	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
317		432
318	while ($busy) {	433	while ($busy) {
319	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
320	}	435	}
321		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
322	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
323	} else {	445	} else {
324	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
325		447
326	$job->()	448	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
346		468
347	$coro	469	$coro
348	}	470	}
349		471
350	sub write_runtime {	472	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		473
353	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.
354		478
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
356	or return;
357		480
358	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		483
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
363	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
364		487
365	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	489	reset_signals;
367	and return;	490	&$cb
		491	}, @args;
368		492
369	close $fh	493	wantarray ? @res : $res[-1]
370	or return;	494	}
371		495
372	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
373	and return;
374		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	};
375	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"
376	}	610	}
377		611
378	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
379		613
380	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
400		634
401	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>
402	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
403	crossfire+).	637	Crossfire TRT).
404		638
405	=over 4	639	=over 4
406		640
407	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
408		642
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
572		806
573	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		811
578	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	813	my $pkg = shift @arg;
580		814
581	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
611	}	845	}
612		846
613	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
614	} else {	848	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	850	}
617		851
618	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
619	}	853	}
620		854
…		…
622	if (ref $_[0]) {	856	if (ref $_[0]) {
623	_object_attach @_;	857	_object_attach @_;
624	} else {	858	} else {
625	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
626	}	860	}
		861	_recalc_want;
627	};	862	};
628		863
629	# all those should be optimised	864	# all those should be optimised
630	sub cf::attachable::detach {	865	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
635	reattach ($obj);	870	reattach ($obj);
636	} else {	871	} else {
637	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
638	}	873	}
		874	_recalc_want;
639	};	875	};
640		876
641	sub cf::attachable::attached {	877	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
643		879
…		…
658	";	894	";
659	die if $@;	895	die if $@;
660	}	896	}
661		897
662	our $override;	898	our $override;
663	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?
664		900
665	sub override {	901	sub override {
666	$override = 1;	902	$override = 1;
667	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
668	}	904	}
669		905
670	sub do_invoke {	906	sub do_invoke {
671	my $event = shift;	907	my $event = shift;
672	my $callbacks = shift;	908	my $callbacks = shift;
673		909
674	@invoke_results = ();	910	@INVOKE_RESULTS = ();
675		911
676	local $override;	912	local $override;
677		913
678	for (@$callbacks) {	914	for (@$callbacks) {
679	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
696		932
697	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
698		934
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		938
703	=back	939	=back
704		940
705	=cut	941	=cut
706		942
707	#############################################################################	943	#############################################################################
708	# 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	}
709		956
710	sub reattach {	957	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	959	my ($obj) = @_;
713		960
…		…
816	or return;	1063	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1065	}
819		1066
820	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1069	return ($data, $av);
823	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
824		1077
825	#############################################################################	1078	#############################################################################
826	# command handling &c	1079	# command handling &c
827		1080
828	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1095	}
843		1096
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1098
846	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.
847		1104
848	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
849	called.	1106	called.
850		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
851	=cut	1119	=cut
852		1120
853	sub register_extcmd {	1121	sub register_extcmd {
854	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
855		1123
856	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
857	}	1131	}
858		1132
859	cf::player->attach (	1133	cf::player->attach (
860	on_command => sub {	1134	on_command => sub {
861	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1144	cf::override;
871	},	1145	},
872	on_extcmd => sub {	1146	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
874		1148
875	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1150
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
883	} else {	1166	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1168	}
886		1169
887	cf::override;	1170	cf::override;
888	},	1171	},
889	);	1172	);
890		1173
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
926	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1179	next unless -r $path;
928	eval {	1180
929	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;
930	1	1238	}
931	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
932	}	1244	};
933	}	1245	}
934		1246
935	#############################################################################	1247	#############################################################################
936		1248
		1249	=back
		1250
937	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
938		1252
939	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
940		1254
941	=cut	1255	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
954		1268
955	=cut	1269	=cut
956		1270
957	sub playerdir($) {	1271	sub playerdir($) {
958	cf::localdir	1272	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1274	}
964		1275
965	sub path($) {	1276	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1278
968	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
969	}	1280	}
970		1281
971	sub find_active($) {	1282	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1297	my $login = $_[0];
987		1298
988	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
989		1300
990	$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
991	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
992	or return;	1310	or return;
993	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
994	}	1312	}
995	}	1313	}
…		…
1007		1325
1008	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1010		1328
1011	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1012	Coro::cede;	1330	cf::cede_to_tick;
1013	}	1331	}
1014		1332
1015	sub new($) {	1333	sub new($) {
1016	my ($login) = @_;	1334	my ($login) = @_;
1017		1335
…		…
1021	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1022		1340
1023	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1024		1342
1025	$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 (@_);
1026	}	1354	}
1027		1355
1028	=item $pl->quit_character	1356	=item $pl->quit_character
1029		1357
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1080		1408
1081	=cut	1409	=cut
1082		1410
1083	sub list_logins {	1411	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1413	or return [];
1086		1414
1087	my @logins;	1415	my @logins;
1088		1416
1089	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1124	}	1452	}
1125		1453
1126	\@paths	1454	\@paths
1127	}	1455	}
1128		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
1129	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1130		1508
1131	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1132		1510
1133	=cut	1511	=cut
1134		1512
1135	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1137		1515
1138	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1517	}
1142		1518
1143	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1144		1520
1145	Sends an ext event to the client.	1521	Sends an ext event to the client.
1146		1522
1147	=cut	1523	=cut
1148		1524
1149	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1151		1527
1152	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1153	}	1529	}
1154		1530
1155	package cf;	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	$match
		1558	}
1156		1559
1157	=back	1560	=back
1158
1159		1561
1160	=head3 cf::map	1562	=head3 cf::map
1161		1563
1162	=over 4	1564	=over 4
1163		1565
…		…
1218	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1219		1621
1220	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1221	local $self->{path};	1623	local $self->{path};
1222	local $self->{load_path};	1624	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1625
1226	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1227	}	1627	}
1228		1628
1229	sub normalise {	1629	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1277	return $self;	1677	return $self;
1278	}	1678	}
1279	}	1679	}
1280		1680
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1682	()
1283	}	1683	}
1284		1684
1285	sub init {	1685	sub init {
1286	my ($self) = @_;	1686	my ($self) = @_;
…		…
1301		1701
1302	# the original (read-only) location	1702	# the original (read-only) location
1303	sub load_path {	1703	sub load_path {
1304	my ($self) = @_;	1704	my ($self) = @_;
1305		1705
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1307	}	1707	}
1308		1708
1309	# the temporary/swap location	1709	# the temporary/swap location
1310	sub save_path {	1710	sub save_path {
1311	my ($self) = @_;	1711	my ($self) = @_;
1312		1712
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1315	}	1715	}
1316		1716
1317	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1318	sub uniq_path {	1718	sub uniq_path {
1319	my ($self) = @_;	1719	my ($self) = @_;
1320		1720
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1323	}	1723	}
1324		1724
1325	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1326	# all maps in C++...	1726	# all maps in C++...
1327	sub change_all_map_light {	1727	sub change_all_map_light {
1328	my ($change) = @_;	1728	my ($change) = @_;
1329		1729
1330	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1331	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	$self->do_decay_objects;
1332	}	1740	}
1333		1741
1334	sub unlink_save {	1742	sub unlink_save {
1335	my ($self) = @_;	1743	my ($self) = @_;
1336		1744
…		…
1394	$self->load_header_orig	1802	$self->load_header_orig
1395	or return;	1803	or return;
1396	$self->prepare_orig;	1804	$self->prepare_orig;
1397	}	1805	}
1398		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
1399	1	1813	1
1400	}	1814	}
1401		1815
1402	sub find;	1816	sub find;
1403	sub find {	1817	sub find {
…		…
1415	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1416		1830
1417	$map->load_header	1831	$map->load_header
1418	or return;	1832	or return;
1419		1833
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1423	$map->reset;	1837	$map->reset;
1424	undef $guard;	1838	undef $guard;
1425	return find $path;	1839	return find $path;
…		…
1436	my ($self) = @_;	1850	my ($self) = @_;
1437		1851
1438	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1439		1853
1440	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1441	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1442		1859
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1444		1861
1445	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1446		1863
1447	$self->alloc;	1864	$self->alloc;
1448		1865
1449	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1450		1868
1451	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1452	or return;	1870	or return;
1453		1871
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1873	if delete $self->{load_original};
1456		1874
1457	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1876	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1460	$self->clear_unique_items;	1878	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1462	}	1880	}
1463	}	1881	}
1464		1882
1465	Coro::cede;	1883	cf::cede_to_tick;
1466
1467	# now do the right thing for maps	1884	# now do the right thing for maps
1468	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1887	unless $self->difficulty;
1478	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($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;
1479	$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);
1480	}	1904	}
1481		1905
1482	$self->post_load;	1906	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1907	}
1486		1908
1487	sub customise_for {	1909	sub customise_for {
1488	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1489		1911
1490	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1913	if $self->per_player;
1492		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1493	$self	1918	$self
1494	}	1919	}
1495		1920
1496	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	1922	sub load_neighbours {
1498	my ($map) = @_;	1923	my ($map) = @_;
1499		1924
1500	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1501		1926
1502	for (0 .. 3) {	1927	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1504	or next;	1929	or next;
1505	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1506	or next;	1931	or next;
1507	$neigh->load;	1932	$neigh->load;
1508		1933
		1934	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	1937	}
1512		1938
1513	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1515	or next;	1942	or next;
1516	$neigh->load;	1943	$neigh->load;
1517	}	1944	}
1518	}	1945	}
1519		1946
…		…
1524	}	1951	}
1525		1952
1526	sub do_load_sync {	1953	sub do_load_sync {
1527	my ($map) = @_;	1954	my ($map) = @_;
1528		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1529	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1530	}	1960	}
1531		1961
1532	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1534		1964
1535	sub find_async {	1965	sub find_async {
1536	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1537		1967
1538	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1539		1969
1540	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	1972	}
1543		1973
1544	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1545	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1546	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	1979	if (my $map = find $k) {
1549	or next;
1550	$map->load;	1980	$map->load if $v;
		1981	}
1551		1982
1552	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1553	}	1984	}
1554	}	1985	}
1555	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1556	};	1987	};
1557	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1560	}	1991	}
1561		1992
1562	sub save {	1993	sub save {
1563	my ($self) = @_;	1994	my ($self) = @_;
1564		1995
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		1997
1567	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1568		1999
1569	return unless $self->dirty;	2000	return unless $self->dirty;
1570		2001
…		…
1593	my ($self) = @_;	2024	my ($self) = @_;
1594		2025
1595	# save first because save cedes	2026	# save first because save cedes
1596	$self->save;	2027	$self->save;
1597		2028
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2030
1600	return if $self->players;	2031	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2033	return if $self->{deny_save};
1603		2034
…		…
1607		2038
1608	sub reset_at {	2039	sub reset_at {
1609	my ($self) = @_;	2040	my ($self) = @_;
1610		2041
1611	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1614		2044
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2047
…		…
1628	my ($self) = @_;	2058	my ($self) = @_;
1629		2059
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2061
1632	return if $self->players;	2062	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2063
1635	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1636		2065
1637	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1638		2067
1639	# need to save uniques path	2068	# need to save uniques path
1640	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1657	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1658		2087
1659	sub nuke {	2088	sub nuke {
1660	my ($self) = @_;	2089	my ($self) = @_;
1661		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1662	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1663		2095
1664	$self->unlink_save;	2096	$self->unlink_save;
1665		2097
1666	bless $self, "cf::map";	2098	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2099	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2103
1672	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1673		2106
1674	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1675	}	2144	}
1676		2145
1677	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1678		2147
1679	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2149	instantiated unique items. May block.
1681		2150
1682	=cut	2151	=cut
1683		2152
1684	sub unique_maps() {	2153	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1686	or return;	2155	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2156	utf8::decode $_;
1692	next if /\.pst$/;	2157	/\.map$/
1693	next unless /^$PATH_SEP/o;	2158	? normalise $_
1694		2159	: ()
1695	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2161	]
1697
1698	\@paths
1699	}	2162	}
1700		2163
1701	package cf;	2164	package cf;
1702		2165
1703	=back	2166	=back
…		…
1749		2212
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2214
1752	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1754	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1757	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1758	}	2240	}
1759		2241
1760	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1761		2243
1762	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1810		2292
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2294
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1815		2297
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2299	}
1818		2300
1819	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1821		2305
1822	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1823		2307
1824	unless ($map) {	2308	unless ($map) {
1825	# restore original map position	2309	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1842		2326
1843	$map->load;	2327	$map->load;
1844	$map->load_diag;	2328	$map->load_neighbours;
1845		2329
1846	return unless $self->contr->active;	2330	return unless $self->contr->active;
1847	$self->activate_recursive;	2331	$self->activate_recursive;
1848		2332
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1851	}	2335	}
1852		2336
1853	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2338
1857	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1861	};	2343	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2344
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1888		2348
1889	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2354
1892	$self->enter_link;	2355	$self->enter_link;
1893		2356
1894	(async {	2357	(async {
1895	my $map = eval {	2358	my $map = eval {
1896	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1898	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2374	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1903	})->prio (1);	2382	})->prio (1);
1904	}	2383	}
1905		2384
1906	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1907		2386
…		…
1946		2425
1947	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1948		2427
1949	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1952		2431
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2434	undef $fh;
1956	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1965		2444
1966	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1967		2446
1968	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1971	}	2452	}
1972		2453
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1976		2457
1977	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1978		2463
1979	(async {	2464	(async {
1980	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2466	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1983		2468
1984	1;	2469	1;
1985	}) {	2470	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2475
1991	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2477	$self->leave_link;
1993	}	2478	}
1994	})->prio (1);	2479	})->prio (1);
…		…
2010		2495
2011	utf8::encode $text;	2496	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2498	}
2014		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
2015	=item $client->ext_event ($type, %msg)	2574	=item $client->ext_msg ($type, @msg)
2016		2575
2017	Sends an exti event to the client.	2576	Sends an ext event to the client.
2018		2577
2019	=cut	2578	=cut
2020		2579
2021	sub cf::client::ext_event($$%) {	2580	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2581	my ($self, $type, @msg) = @_;
2023		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2586	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
2026	}	2607	}
2027		2608
2028	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
2029		2610
2030	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2614
2034	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2616	become reliable at some point in the future.
2036		2617
2037	=cut	2618	=cut
2038		2619
2039	sub cf::client::query {	2620	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2629	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2631
2051	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
2053	}	2636	}
2054		2637
2055	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
2056	on_reply => sub {	2644	on_reply => sub {
2057	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
2058		2646
2059	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
2060	# get handled first	2648	# get handled first
…		…
2072	} else {	2660	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2662	}
2075	}	2663	}
2076	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2077	);	2691	);
2078		2692
2079	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2080		2694
2081	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2124		2738
2125	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2126		2740
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2128		2746
2129	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2130		2748
2131	=pod	2749	=pod
2132		2750
2133	The following functions and methods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2134		2752
2135	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2136	cf::object::player player	2757	cf::object::player
2137	cf::player peaceful	2758	player
2138	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2139		2765
2140	=cut	2766	=cut
2141		2767
2142	for (	2768	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2144	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2147	) {	2775	) {
2148	no strict 'refs';	2776	no strict 'refs';
…		…
2219	=back	2847	=back
2220		2848
2221	=cut	2849	=cut
2222		2850
2223	#############################################################################	2851	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	2852	# the server's init and main functions
2297		2853
2298	sub load_facedata {	2854	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	2855	my ($path) = @_;
		2856
		2857	# HACK to clear player env face cache, we need some signal framework
		2858	# for this (global event?)
		2859	%ext::player_env::MUSIC_FACE_CACHE = ();
		2860
		2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		2862
2301	warn "loading facedata from $path\n";	2863	warn "loading facedata from $path\n";
2302		2864
2303	my $faces;	2865	my $facedata;
2304	0 < aio_load $path, $faces	2866	0 < aio_load $path, $facedata
2305	or die "$path: $!";	2867	or die "$path: $!";
2306		2868
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	2869	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		2870
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	2871	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		2873
		2874	# patch in the exptable
		2875	$facedata->{resource}{"res/exp_table"} = {
		2876	type => FT_RSRC,
		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2878	};
		2879	cf::cede_to_tick;
		2880
		2881	{
		2882	my $faces = $facedata->{faceinfo};
		2883
2315	while (my ($face, $info) = each %$faces) {	2884	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2886	cf::face::set_visibility $idx, $info->{visibility};
		2887	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		2890
		2891	cf::cede_to_tick;
		2892	}
		2893
2323	while (my ($face, $info) = each %$faces) {	2894	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	2895	next unless $info->{smooth};
2325	my $idx = cf::face::find $face	2896	my $idx = cf::face::find $face
2326	or next;	2897	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {	2898	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	2901	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	2903	}
2332	Coro::cede;	2904
		2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
2333	}	2967	}
2334		2968
2335	1	2969	1
2336	}	2970	}
2337		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
2338	sub reload_resources {	3014	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3015	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3016
		3017	reload_regions;
2341	load_facedata	3018	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
2343	}	3024	}
2344		3025
2345	sub init {	3026	sub init {
2346	reload_resources;	3027	reload_resources;
2347	}	3028	}
2348		3029
2349	sub cfg_load {	3030	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3032	or return;
2352		3033
2353	local $/;	3034	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2355		3036
…		…
2374	(async {	3055	(async {
2375	Event::one_event;	3056	Event::one_event;
2376	})->prio (Coro::PRIO_MAX);	3057	})->prio (Coro::PRIO_MAX);
2377	};	3058	};
2378		3059
2379	cfg_load;	3060	reload_config;
2380	db_init;	3061	db_init;
2381	load_extensions;	3062	load_extensions;
2382		3063
2383	$TICK_WATCHER->start;	3064	$TICK_WATCHER->start;
2384	Event::loop;	3065	Event::loop;
…		…
2400	},	3081	},
2401	);	3082	);
2402	}	3083	}
2403	}	3084	}
2404		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2405	sub emergency_save() {	3124	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2407		3126
2408	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2409		3128
…		…
2440		3159
2441	warn Carp::longmess "post_cleanup backtrace"	3160	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3161	if $make_core;
2443	}	3162	}
2444		3163
2445	sub reload() {	3164	sub do_reload_perl() {
2446	# can/must only be called in main	3165	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3167	warn "can only reload from main coroutine";
2449	return;	3168	return;
2450	}	3169	}
…		…
2484	%EXT_CORO = ();	3203	%EXT_CORO = ();
2485		3204
2486	warn "removing commands";	3205	warn "removing commands";
2487	%COMMAND = ();	3206	%COMMAND = ();
2488		3207
2489	warn "removing ext commands";	3208	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2491		3211
2492	warn "unloading/nuking all extensions";	3212	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2495		3215
…		…
2525	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3247
2528	warn "unloading cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2530		3251
2531	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3253	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2534		3255
…		…
2537	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2538	require cf;	3259	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3261
2541	warn "loading config and database again";	3262	warn "loading config and database again";
2542	cf::cfg_load;	3263	cf::reload_config;
2543		3264
2544	warn "loading extensions";	3265	warn "loading extensions";
2545	cf::load_extensions;	3266	cf::load_extensions;
2546		3267
2547	warn "reattaching attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
…		…
2549	warn "reattaching attachments to maps";	3270	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3272	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3273	reattach $_ for values %PLAYER;
2553		3274
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3275	warn "leaving sync_job";
2558		3276
2559	1	3277	1
2560	} or do {	3278	} or do {
2561	warn $@;	3279	warn $@;
…		…
2566	warn "reloaded";	3284	warn "reloaded";
2567	};	3285	};
2568		3286
2569	our $RELOAD_WATCHER; # used only during reload	3287	our $RELOAD_WATCHER; # used only during reload
2570		3288
		3289	sub reload_perl() {
		3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
		3292
		3293	$RELOAD_WATCHER ||= Event->timer (
		3294	reentrant => 0,
		3295	after => 0,
		3296	data => WF_AUTOCANCEL,
		3297	cb => sub {
		3298	do_reload_perl;
		3299	undef $RELOAD_WATCHER;
		3300	},
		3301	);
		3302	}
		3303
2571	register_command "reload" => sub {	3304	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2573		3306
2574	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3308	$who->message ("reloading server.");
2576		3309	async { reload_perl };
2577	# doing reload synchronously and two reloads happen back-to-back,
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);
2589	}	3310	}
2590	};	3311	};
2591		3312
2592	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2593		3314
2594	my $bug_warning = 0;	3315	my $bug_warning = 0;
2595		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2596	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2597	reentrant => 0,	3341	reentrant => 0,
2598	parked => 1,	3342	parked => 1,
2599	prio => 0,	3343	prio => 0,
2600	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
…		…
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3349	unless ++$bug_warning > 10;
2606	return;	3350	return;
2607	}	3351	}
2608		3352
2609	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2610		3354
2611	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2612	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2614		3382
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2618	write_runtime	3386	write_runtime
2619	or warn "ERROR: unable to write runtime file: $!";	3387	or warn "ERROR: unable to write runtime file: $!";
2620	};	3388	};
2621	}	3389	}
2622		3390
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;	3391	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#	3392	# warn $AFTER - $NOW;#d#
2628		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2629	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2631		3405
2632	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2634	},	3415	},
2635	);	3416	);
2636		3417
2637	{	3418	{
2638	BDB::max_poll_time $TICK * 0.1;	3419	BDB::max_poll_time $TICK * 0.1;
…		…
2666		3447
2667	cf::sync_job {	3448	cf::sync_job {
2668	eval {	3449	eval {
2669	BDB::db_env_open	3450	BDB::db_env_open
2670	$DB_ENV,	3451	$DB_ENV,
2671	$BDB_ENV_DIR,	3452	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3455	0666;
2675		3456
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677		3458
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;	3460	$DB_ENV->set_lk_detect;
2680	};	3461	};
2681		3462
…		…
2697	prio => 6,	3478	prio => 6,
2698	cb => \&IO::AIO::poll_cb,	3479	cb => \&IO::AIO::poll_cb,
2699	);	3480	);
2700	}	3481	}
2701		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
		3523
2702	END { cf::emergency_save }	3524	END { cf::emergency_save }
2703		3525
2704	1	3526	1
2705		3527

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