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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.242 by root, Mon Apr 16 12:37:08 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		95
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	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
118	every server tick.	133	every server tick.
119		134
120	=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
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	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.
132		161
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
139		168
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		178
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
156	LOG llevError, $msg;	193	LOG llevError, $msg;
157	};	194	};
158	}	195	}
159		196
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		204
167	# 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
168	# within the Safe compartment.	206	# within the Safe compartment.
169	for my $pkg (qw(	207	for my $pkg (qw(
170	cf::global cf::attachable	208	cf::global cf::attachable
…		…
178	}	216	}
179		217
180	$Event::DIED = sub {	218	$Event::DIED = sub {
181	warn "error in event callback: @_";	219	warn "error in event callback: @_";
182	};	220	};
		221
		222	#############################################################################
183		223
184	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
185		225
186	=over 4	226	=over 4
187		227
…		…
206	$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;
207	$d	247	$d
208	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
209	}	249	}
210		250
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
214		252
215	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
216		254
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	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]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	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
233	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.
234		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
238		290
…		…
256		308
257	Coro::guard {	309	Coro::guard {
258	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
260	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
261	}	319	}
262		320
263	sub freeze_mainloop {	321	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
265		323
…		…
268	};	326	};
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
271	}	329	}
272		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
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	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)
286	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
287	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.
288		403
289	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
290	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
291	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
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		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
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		473
351	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.
352		478
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
354	or return;
355		480
356	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		483
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
361	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
362		487
363	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	489	reset_signals;
365	and return;	490	&$cb
		491	}, @args;
366		492
367	close $fh	493	wantarray ? @res : $res[-1]
368	or return;	494	}
369		495
370	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
371	and return;
372		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	};
373	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"
374	}	610	}
375		611
376	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
377		613
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
398		634
399	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>
400	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
401	crossfire+).	637	Crossfire TRT).
402		638
403	=over 4	639	=over 4
404		640
405	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
406		642
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
570		806
571	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		811
576	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	813	my $pkg = shift @arg;
578		814
579	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
609	}	845	}
610		846
611	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
612	} else {	848	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	850	}
615		851
616	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
617	}	853	}
618		854
…		…
620	if (ref $_[0]) {	856	if (ref $_[0]) {
621	_object_attach @_;	857	_object_attach @_;
622	} else {	858	} else {
623	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
624	}	860	}
		861	_recalc_want;
625	};	862	};
626		863
627	# all those should be optimised	864	# all those should be optimised
628	sub cf::attachable::detach {	865	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
633	reattach ($obj);	870	reattach ($obj);
634	} else {	871	} else {
635	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
636	}	873	}
		874	_recalc_want;
637	};	875	};
638		876
639	sub cf::attachable::attached {	877	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
641		879
…		…
656	";	894	";
657	die if $@;	895	die if $@;
658	}	896	}
659		897
660	our $override;	898	our $override;
661	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?
662		900
663	sub override {	901	sub override {
664	$override = 1;	902	$override = 1;
665	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
666	}	904	}
667		905
668	sub do_invoke {	906	sub do_invoke {
669	my $event = shift;	907	my $event = shift;
670	my $callbacks = shift;	908	my $callbacks = shift;
671		909
672	@invoke_results = ();	910	@INVOKE_RESULTS = ();
673		911
674	local $override;	912	local $override;
675		913
676	for (@$callbacks) {	914	for (@$callbacks) {
677	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
694		932
695	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
696		934
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		938
701	=back	939	=back
702		940
703	=cut	941	=cut
704		942
705	#############################################################################	943	#############################################################################
706	# 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	}
707		956
708	sub reattach {	957	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	959	my ($obj) = @_;
711		960
…		…
814	or return;	1063	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1065	}
817		1066
818	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1069	return ($data, $av);
821	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
822		1077
823	#############################################################################	1078	#############################################################################
824	# command handling &c	1079	# command handling &c
825		1080
826	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1095	}
841		1096
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1098
844	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.
845		1104
846	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
847	called.	1106	called.
848		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
849	=cut	1119	=cut
850		1120
851	sub register_extcmd {	1121	sub register_extcmd {
852	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
853		1123
854	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
855	}	1131	}
856		1132
857	cf::player->attach (	1133	cf::player->attach (
858	on_command => sub {	1134	on_command => sub {
859	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1144	cf::override;
869	},	1145	},
870	on_extcmd => sub {	1146	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
872		1148
873	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1150
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
881	} else {	1166	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1168	}
884		1169
885	cf::override;	1170	cf::override;
886	},	1171	},
887	);	1172	);
888		1173
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
924	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1179	next unless -r $path;
926	eval {	1180
927	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;
928	1	1238	}
929	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
930	}	1244	};
931	}	1245	}
932		1246
933	#############################################################################	1247	#############################################################################
934		1248
		1249	=back
		1250
935	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
936		1252
937	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
938		1254
939	=cut	1255	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
952		1268
953	=cut	1269	=cut
954		1270
955	sub playerdir($) {	1271	sub playerdir($) {
956	cf::localdir	1272	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1274	}
962		1275
963	sub path($) {	1276	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1012		1325
1013	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1015		1328
1016	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1017	Coro::cede;	1330	cf::cede_to_tick;
1018	}	1331	}
1019		1332
1020	sub new($) {	1333	sub new($) {
1021	my ($login) = @_;	1334	my ($login) = @_;
1022		1335
…		…
1026	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1027		1340
1028	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1029		1342
1030	$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 (@_);
1031	}	1354	}
1032		1355
1033	=item $pl->quit_character	1356	=item $pl->quit_character
1034		1357
1035	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
…		…
1084	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1085		1408
1086	=cut	1409	=cut
1087		1410
1088	sub list_logins {	1411	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1413	or return [];
1091		1414
1092	my @logins;	1415	my @logins;
1093		1416
1094	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1129	}	1452	}
1130		1453
1131	\@paths	1454	\@paths
1132	}	1455	}
1133		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1134	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1135		1509
1136	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1137		1511
1138	=cut	1512	=cut
1139		1513
1140	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1142		1516
1143	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1518	}
1147		1519
1148	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1149		1521
1150	Sends an ext event to the client.	1522	Sends an ext event to the client.
1151		1523
1152	=cut	1524	=cut
1153		1525
1154	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1156		1528
1157	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1158	}	1530	}
1159		1531
1160	=head3 cf::region	1532	=head3 cf::region
1161		1533
1162	=over 4	1534	=over 4
…		…
1165		1537
1166	package cf::region;	1538	package cf::region;
1167		1539
1168	=item cf::region::find_by_path $path	1540	=item cf::region::find_by_path $path
1169		1541
1170	Tries to decuce the probable region for a map knowing only its path.	1542	Tries to decuce the likely region for a map knowing only its path.
1171		1543
1172	=cut	1544	=cut
1173		1545
1174	sub find_by_path($) {	1546	sub find_by_path($) {
1175	my ($path) = @_;	1547	my ($path) = @_;
1176		1548
1177	my ($match, $specificity);	1549	my ($match, $specificity);
1178		1550
1179	for my $region (list) {	1551	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1552	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1553	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1554	if $region->specificity > $specificity;
1183	}	1555	}
1184	}	1556	}
1185		1557
…		…
1249	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1250		1622
1251	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1252	local $self->{path};	1624	local $self->{path};
1253	local $self->{load_path};	1625	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1626
1257	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1258	}	1628	}
1259		1629
1260	sub normalise {	1630	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1308	return $self;	1678	return $self;
1309	}	1679	}
1310	}	1680	}
1311		1681
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1683	()
1314	}	1684	}
1315		1685
1316	sub init {	1686	sub init {
1317	my ($self) = @_;	1687	my ($self) = @_;
…		…
1332		1702
1333	# the original (read-only) location	1703	# the original (read-only) location
1334	sub load_path {	1704	sub load_path {
1335	my ($self) = @_;	1705	my ($self) = @_;
1336		1706
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1338	}	1708	}
1339		1709
1340	# the temporary/swap location	1710	# the temporary/swap location
1341	sub save_path {	1711	sub save_path {
1342	my ($self) = @_;	1712	my ($self) = @_;
1343		1713
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1346	}	1716	}
1347		1717
1348	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1349	sub uniq_path {	1719	sub uniq_path {
1350	my ($self) = @_;	1720	my ($self) = @_;
1351		1721
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1354	}	1724	}
1355		1725
1356	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1357	# all maps in C++...	1727	# all maps in C++...
1358	sub change_all_map_light {	1728	sub change_all_map_light {
1359	my ($change) = @_;	1729	my ($change) = @_;
1360		1730
1361	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1363	}	1741	}
1364		1742
1365	sub unlink_save {	1743	sub unlink_save {
1366	my ($self) = @_;	1744	my ($self) = @_;
1367		1745
…		…
1425	$self->load_header_orig	1803	$self->load_header_orig
1426	or return;	1804	or return;
1427	$self->prepare_orig;	1805	$self->prepare_orig;
1428	}	1806	}
1429		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
1430	$self->default_region (cf::region::find_by_path $self->{path})	1811	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1812	unless $self->default_region;
1432		1813
1433	1	1814	1
1434	}	1815	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1450		1831
1451	$map->load_header	1832	$map->load_header
1452	or return;	1833	or return;
1453		1834
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1838	$map->reset;
1458	undef $guard;	1839	undef $guard;
1459	return find $path;	1840	return find $path;
…		…
1470	my ($self) = @_;	1851	my ($self) = @_;
1471		1852
1472	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1473		1854
1474	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1475	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1476		1860
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1862
1479	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1480		1864
1481	$self->alloc;	1865	$self->alloc;
1482		1866
1483	$self->pre_load;	1867	$self->pre_load;
1484	Coro::cede;	1868	cf::cede_to_tick;
1485		1869
1486	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1487	or return;	1871	or return;
1488		1872
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1874	if delete $self->{load_original};
1491		1875
1492	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1877	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;	1879	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1497	}	1881	}
1498	}	1882	}
1499		1883
1500	Coro::cede;	1884	cf::cede_to_tick;
1501	# now do the right thing for maps	1885	# now do the right thing for maps
1502	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1888	unless $self->difficulty;
1513	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1514	$self->activate;	1898	$self->activate;
1515	Coro::cede;	1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1905	}
1517		1906
1518	$self->post_load;	1907	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1908	}
1523		1909
1524	sub customise_for {	1910	sub customise_for {
1525	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1526		1912
1527	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1914	if $self->per_player;
1529		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1530	$self	1919	$self
1531	}	1920	}
1532		1921
1533	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1923	sub load_neighbours {
1535	my ($map) = @_;	1924	my ($map) = @_;
1536		1925
1537	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1538		1927
1539	for (0 .. 3) {	1928	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1541	or next;	1930	or next;
1542	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1543	or next;	1932	or next;
1544	$neigh->load;	1933	$neigh->load;
1545		1934
		1935	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	1938	}
1549		1939
1550	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1552	or next;	1943	or next;
1553	$neigh->load;	1944	$neigh->load;
1554	}	1945	}
1555	}	1946	}
1556		1947
…		…
1561	}	1952	}
1562		1953
1563	sub do_load_sync {	1954	sub do_load_sync {
1564	my ($map) = @_;	1955	my ($map) = @_;
1565		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1566	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1567	}	1961	}
1568		1962
1569	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1571		1965
1572	sub find_async {	1966	sub find_async {
1573	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1574		1968
1575	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1576		1970
1577	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	1973	}
1580		1974
1581	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1582	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	1980	if (my $map = find $k) {
1586	or next;
1587	$map->load;	1981	$map->load if $v;
		1982	}
1588		1983
1589	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1590	}	1985	}
1591	}	1986	}
1592	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1593	};	1988	};
1594	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1597	}	1992	}
1598		1993
1599	sub save {	1994	sub save {
1600	my ($self) = @_;	1995	my ($self) = @_;
1601		1996
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		1998
1604	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1605		2000
1606	return unless $self->dirty;	2001	return unless $self->dirty;
1607		2002
…		…
1630	my ($self) = @_;	2025	my ($self) = @_;
1631		2026
1632	# save first because save cedes	2027	# save first because save cedes
1633	$self->save;	2028	$self->save;
1634		2029
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2031
1637	return if $self->players;	2032	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2034	return if $self->{deny_save};
1640		2035
…		…
1644		2039
1645	sub reset_at {	2040	sub reset_at {
1646	my ($self) = @_;	2041	my ($self) = @_;
1647		2042
1648	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1651		2045
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2048
…		…
1665	my ($self) = @_;	2059	my ($self) = @_;
1666		2060
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2062
1669	return if $self->players;	2063	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2064
1672	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1673		2066
1674	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1675		2068
1676	# need to save uniques path	2069	# need to save uniques path
1677	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1694	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1695		2088
1696	sub nuke {	2089	sub nuke {
1697	my ($self) = @_;	2090	my ($self) = @_;
1698		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1699	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1700		2096
1701	$self->unlink_save;	2097	$self->unlink_save;
1702		2098
1703	bless $self, "cf::map";	2099	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2104
1709	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1710		2107
1711	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1712	}	2145	}
1713		2146
1714	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1715		2148
1716	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2150	instantiated unique items. May block.
1718		2151
1719	=cut	2152	=cut
1720		2153
1721	sub unique_maps() {	2154	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1723	or return;	2156	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2157	utf8::decode $_;
1729	next if /\.pst$/;	2158	/\.map$/
1730	next unless /^$PATH_SEP/o;	2159	? normalise $_
1731		2160	: ()
1732	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2162	]
1734
1735	\@paths
1736	}	2163	}
1737		2164
1738	package cf;	2165	package cf;
1739		2166
1740	=back	2167	=back
…		…
1786		2213
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2215
1789	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1791	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1794	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1795	}	2241	}
1796		2242
1797	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1798		2244
1799	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1847		2293
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2295
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1852		2298
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2300	}
1855		2301
1856	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1858		2306
1859	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1860		2308
1861	unless ($map) {	2309	unless ($map) {
1862	# restore original map position	2310	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1879		2327
1880	$map->load;	2328	$map->load;
1881	$map->load_diag;	2329	$map->load_neighbours;
1882		2330
1883	return unless $self->contr->active;	2331	return unless $self->contr->active;
1884	$self->activate_recursive;	2332	$self->activate_recursive;
1885		2333
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1888	}	2336	}
1889		2337
1890	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2339
1894	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1898	};	2344	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2345
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1925		2349
1926	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2355
1929	$self->enter_link;	2356	$self->enter_link;
1930		2357
1931	(async {	2358	(async {
1932	my $map = eval {	2359	my $map = eval {
1933	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1935	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2375	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1940	})->prio (1);	2383	})->prio (1);
1941	}	2384	}
1942		2385
1943	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1944		2387
…		…
1983		2426
1984	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1985		2428
1986	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1989		2432
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2435	undef $fh;
1993	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
2015		2458
2016	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
2017		2464
2018	(async {	2465	(async {
2019	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2467	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
…		…
2049		2496
2050	utf8::encode $text;	2497	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2499	}
2053		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
2054	=item $client->ext_event ($type, %msg)	2582	=item $client->ext_msg ($type, @msg)
2055		2583
2056	Sends an exti event to the client.	2584	Sends an ext event to the client.
2057		2585
2058	=cut	2586	=cut
2059		2587
2060	sub cf::client::ext_event($$%) {	2588	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2589	my ($self, $type, @msg) = @_;
2062		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2594	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
2065	}	2615	}
2066		2616
2067	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
2068		2618
2069	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2622
2073	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2624	become reliable at some point in the future.
2075		2625
2076	=cut	2626	=cut
2077		2627
2078	sub cf::client::query {	2628	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2637	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2639
2090	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
2092	}	2644	}
2093		2645
2094	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
2095	on_reply => sub {	2652	on_reply => sub {
2096	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
2097		2654
2098	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
2099	# get handled first	2656	# get handled first
…		…
2111	} else {	2668	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2670	}
2114	}	2671	}
2115	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
2116	);	2699	);
2117		2700
2118	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
2119		2702
2120	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2163		2746
2164	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2165		2748
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2167		2754
2168	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2169		2756
2170	=pod	2757	=pod
2171		2758
2172	The following functions and methods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2173		2760
2174	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2175	cf::object::player player	2765	cf::object::player
2176	cf::player peaceful	2766	player
2177	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2178		2773
2179	=cut	2774	=cut
2180		2775
2181	for (	2776	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2183	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2186	) {	2783	) {
2187	no strict 'refs';	2784	no strict 'refs';
…		…
2258	=back	2855	=back
2259		2856
2260	=cut	2857	=cut
2261		2858
2262	#############################################################################	2859	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2860	# the server's init and main functions
2336		2861
2337	sub load_facedata {	2862	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2863	my ($path) = @_;
		2864
		2865	# HACK to clear player env face cache, we need some signal framework
		2866	# for this (global event?)
		2867	%ext::player_env::MUSIC_FACE_CACHE = ();
		2868
		2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		2870
2340	warn "loading facedata from $path\n";	2871	warn "loading facedata from $path\n";
2341		2872
2342	my $facedata;	2873	my $facedata;
2343	0 < aio_load $path, $facedata	2874	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	2877	$facedata = Coro::Storable::thaw $facedata;
2347		2878
2348	$facedata->{version} == 2	2879	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		2881
		2882	# patch in the exptable
		2883	$facedata->{resource}{"res/exp_table"} = {
		2884	type => FT_RSRC,
		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2886	};
		2887	cf::cede_to_tick;
		2888
2351	{	2889	{
2352	my $faces = $facedata->{faceinfo};	2890	my $faces = $facedata->{faceinfo};
2353		2891
2354	while (my ($face, $info) = each %$faces) {	2892	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	2898
		2899	cf::cede_to_tick;
2360	}	2900	}
2361		2901
2362	while (my ($face, $info) = each %$faces) {	2902	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2903	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2904	my $idx = cf::face::find $face
2365	or next;	2905	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2909	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2911	}
2371	Coro::cede;	2912
		2913	cf::cede_to_tick;
2372	}	2914	}
2373	}	2915	}
2374		2916
2375	{	2917	{
2376	my $anims = $facedata->{animinfo};	2918	my $anims = $facedata->{animinfo};
2377		2919
2378	while (my ($anim, $info) = each %$anims) {	2920	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2922	cf::cede_to_tick;
2381	}	2923	}
2382		2924
2383	cf::anim::invalidate_all; # d'oh	2925	cf::anim::invalidate_all; # d'oh
2384	}	2926	}
2385		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
2386	1	2977	1
2387	}	2978	}
2388		2979
2389	our $archetypes_loaded;	2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
2390		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
2391	sub load_archetypes {	3007	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3008	load_resource_file "$DATADIR/archetypes"
2393	# load_archetype_file sprintf "%s/archetypes", cf::datadir;	3009	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir	3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
2395	}	3015	}
2396		3016
2397	sub load_treasures {	3017	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
2399	}	3020	}
2400		3021
2401	sub reload_resources {	3022	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3023	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3024
		3025	reload_regions;
2404	load_facedata	3026	reload_facedata;
2405	or die "unable to load facedata\n";	3027	#reload_archetypes;#d#
2406	load_archetypes	3028	reload_archetypes;
2407	or die "unable to load archetypes\n";
2408	load_treasures	3029	reload_treasures;
2409	or die "unable to load treasurelists\n";	3030
		3031	warn "finished reloading resource files\n";
2410	}	3032	}
2411		3033
2412	sub init {	3034	sub init {
2413	reload_resources;	3035	reload_resources;
2414	}	3036	}
2415		3037
2416	sub cfg_load {	3038	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3040	or return;
2419		3041
2420	local $/;	3042	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2422		3044
…		…
2441	(async {	3063	(async {
2442	Event::one_event;	3064	Event::one_event;
2443	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2444	};	3066	};
2445		3067
2446	cfg_load;	3068	reload_config;
2447	db_init;	3069	db_init;
2448	load_extensions;	3070	load_extensions;
2449		3071
2450	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2451	Event::loop;	3073	Event::loop;
…		…
2467	},	3089	},
2468	);	3090	);
2469	}	3091	}
2470	}	3092	}
2471		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2472	sub emergency_save() {	3132	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2474		3134
2475	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2476		3136
…		…
2507		3167
2508	warn Carp::longmess "post_cleanup backtrace"	3168	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3169	if $make_core;
2510	}	3170	}
2511		3171
2512	sub reload() {	3172	sub do_reload_perl() {
2513	# can/must only be called in main	3173	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3175	warn "can only reload from main coroutine";
2516	return;	3176	return;
2517	}	3177	}
…		…
2551	%EXT_CORO = ();	3211	%EXT_CORO = ();
2552		3212
2553	warn "removing commands";	3213	warn "removing commands";
2554	%COMMAND = ();	3214	%COMMAND = ();
2555		3215
2556	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2557	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2558		3219
2559	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2562		3223
…		…
2592	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2594		3255
2595	warn "unloading cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2597		3259
2598	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3261	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2601		3263
…		…
2604	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2605	require cf;	3267	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2607		3269
2608	warn "loading config and database again";	3270	warn "loading config and database again";
2609	cf::cfg_load;	3271	cf::reload_config;
2610		3272
2611	warn "loading extensions";	3273	warn "loading extensions";
2612	cf::load_extensions;	3274	cf::load_extensions;
2613		3275
2614	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
…		…
2616	warn "reattaching attachments to maps";	3278	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3280	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3281	reattach $_ for values %PLAYER;
2620		3282
2621	warn "loading reloadable resources";
2622	reload_resources;
2623
2624	warn "leaving sync_job";	3283	warn "leaving sync_job";
2625		3284
2626	1	3285	1
2627	} or do {	3286	} or do {
2628	warn $@;	3287	warn $@;
…		…
2633	warn "reloaded";	3292	warn "reloaded";
2634	};	3293	};
2635		3294
2636	our $RELOAD_WATCHER; # used only during reload	3295	our $RELOAD_WATCHER; # used only during reload
2637		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2638	register_command "reload" => sub {	3312	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2640		3314
2641	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3316	$who->message ("reloading server.");
2643		3317	async { reload_perl };
2644	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);
2656	}	3318	}
2657	};	3319	};
2658		3320
2659	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2660		3322
…		…
2679	my $signal = new Coro::Signal;	3341	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3342	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3343	$signal->wait;
2682	}	3344	}
2683		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2684	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2685	reentrant => 0,	3349	reentrant => 0,
2686	parked => 1,	3350	parked => 1,
2687	prio => 0,	3351	prio => 0,
2688	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
…		…
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3357	unless ++$bug_warning > 10;
2694	return;	3358	return;
2695	}	3359	}
2696		3360
2697	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2698		3362
2699	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2700	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2702		3390
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2706	write_runtime	3394	write_runtime
2707	or warn "ERROR: unable to write runtime file: $!";	3395	or warn "ERROR: unable to write runtime file: $!";
2708	};	3396	};
2709	}	3397	}
2710		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3403	$sig->send;
2713	}	3404	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3405	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3406	$sig->send;
2716	}	3407	}
2717		3408
2718	# my $AFTER = Event::time;	3409	$NOW = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720		3410
2721	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2723		3413
2724	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2726	},	3423	},
2727	);	3424	);
2728		3425
2729	{	3426	{
2730	BDB::max_poll_time $TICK * 0.1;	3427	BDB::max_poll_time $TICK * 0.1;
…		…
2758		3455
2759	cf::sync_job {	3456	cf::sync_job {
2760	eval {	3457	eval {
2761	BDB::db_env_open	3458	BDB::db_env_open
2762	$DB_ENV,	3459	$DB_ENV,
2763	$BDB_ENV_DIR,	3460	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3463	0666;
2767		3464
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769		3466
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;	3468	$DB_ENV->set_lk_detect;
2772	};	3469	};
2773		3470
…		…
2789	prio => 6,	3486	prio => 6,
2790	cb => \&IO::AIO::poll_cb,	3487	cb => \&IO::AIO::poll_cb,
2791	);	3488	);
2792	}	3489	}
2793		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
		3531
2794	END { cf::emergency_save }	3532	END { cf::emergency_save }
2795		3533
2796	1	3534	1
2797		3535

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