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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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;
…		…
70	our %CFG;	87	our %CFG;
71		88
72	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # 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).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
261	}	327	}
262		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
…		…
268	};	334	};
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
271	}	337	}
272		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	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	398	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.	399	thing you are allowed to do is call C<prio> on it.
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	The design of crossfire+ requires that the main coro ($Coro::main) is	407	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	408	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.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
288		411
289	If it must be done, put the blocking parts into C<sync_job>. This will run	412	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	413	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	414	server will be frozen during this time, so the block should either finish
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		481
351	my $runtime = cf::localdir . "/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
352		486
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
354	or return;
355		488
356	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		491
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
361	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
362		495
363	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	497	reset_signals;
365	and return;	498	&$cb
		499	}, @args;
366		500
367	close $fh	501	wantarray ? @res : $res[-1]
368	or return;	502	}
369		503
370	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
371	and return;
372		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
373	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
374	}	618	}
375		619
376	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
377		621
378	Log a datalog packet of the given type with the given key-value pairs.	622	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")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
398		642
399	In the following description, CLASS can be any of C<global>, C<object>	643	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	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	645	Crossfire TRT).
402		646
403	=over 4	647	=over 4
404		648
405	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
406		650
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
570		814
571	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		819
576	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	821	my $pkg = shift @arg;
578		822
579	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
609	}	853	}
610		854
611	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
612	} else {	856	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	858	}
615		859
616	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
617	}	861	}
618		862
…		…
620	if (ref $_[0]) {	864	if (ref $_[0]) {
621	_object_attach @_;	865	_object_attach @_;
622	} else {	866	} else {
623	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
624	}	868	}
		869	_recalc_want;
625	};	870	};
626		871
627	# all those should be optimised	872	# all those should be optimised
628	sub cf::attachable::detach {	873	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
633	reattach ($obj);	878	reattach ($obj);
634	} else {	879	} else {
635	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
636	}	881	}
		882	_recalc_want;
637	};	883	};
638		884
639	sub cf::attachable::attached {	885	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
641		887
…		…
656	";	902	";
657	die if $@;	903	die if $@;
658	}	904	}
659		905
660	our $override;	906	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		908
663	sub override {	909	sub override {
664	$override = 1;	910	$override = 1;
665	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
666	}	912	}
667		913
668	sub do_invoke {	914	sub do_invoke {
669	my $event = shift;	915	my $event = shift;
670	my $callbacks = shift;	916	my $callbacks = shift;
671		917
672	@invoke_results = ();	918	@INVOKE_RESULTS = ();
673		919
674	local $override;	920	local $override;
675		921
676	for (@$callbacks) {	922	for (@$callbacks) {
677	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
694		940
695	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
696		942
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	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	944	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		946
701	=back	947	=back
702		948
703	=cut	949	=cut
704		950
705	#############################################################################	951	#############################################################################
706	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
707		964
708	sub reattach {	965	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	967	my ($obj) = @_;
711		968
…		…
755	},	1012	},
756	);	1013	);
757		1014
758	sub object_freezer_save {	1015	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
760		1019
761	sync_job {	1020	sync_job {
762	if (length $$rdata) {	1021	if (length $$rdata) {
763	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
788	}	1047	}
789	} else {	1048	} else {
790	aio_unlink $filename;	1049	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
792	}	1051	}
793	}	1052	};
		1053
		1054	undef $guard;
794	}	1055	}
795		1056
796	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
798		1059
…		…
803		1064
804	sub object_thawer_load {	1065	sub object_thawer_load {
805	my ($filename) = @_;	1066	my ($filename) = @_;
806		1067
807	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
808		1071
809	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
810	or return;	1073	or return;
811		1074
812	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
814	or return;	1077	or return;
		1078
		1079	undef $guard;
815	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1081	}
817		1082
818	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
820	return ($data, $av);	1086	($data, $av)
821	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
822		1094
823	#############################################################################	1095	#############################################################################
824	# command handling &c	1096	# command handling &c
825		1097
826	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1112	}
841		1113
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1115
844	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
845		1121
846	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
847	called.	1123	called.
848		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
849	=cut	1136	=cut
850		1137
851	sub register_extcmd {	1138	sub register_extcmd {
852	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
853		1140
854	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
855	}	1148	}
856		1149
857	cf::player->attach (	1150	cf::player->attach (
858	on_command => sub {	1151	on_command => sub {
859	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1161	cf::override;
869	},	1162	},
870	on_extcmd => sub {	1163	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
872		1165
873	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1167
875	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
881	} else {	1183	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1185	}
884		1186
885	cf::override;	1187	cf::override;
886	},	1188	},
887	);	1189	);
888		1190
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 {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
924	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1196	next unless -r $path;
926	eval {	1197
927	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
928	1	1255	}
929	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
930	}	1261	};
931	}	1262	}
932		1263
933	#############################################################################	1264	#############################################################################
934		1265
		1266	=back
		1267
935	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
936		1269
937	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
938		1271
939	=cut	1272	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
952		1285
953	=cut	1286	=cut
954		1287
955	sub playerdir($) {	1288	sub playerdir($) {
956	cf::localdir	1289	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1291	}
962		1292
963	sub path($) {	1293	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
995		1325
996	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
997	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
999	}	1335	}
1000	}	1336	}
1001	}	1337	}
1002		1338
…		…
1012		1348
1013	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1015		1351
1016	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1017	Coro::cede;	1353	cf::cede_to_tick;
1018	}	1354	}
1019		1355
1020	sub new($) {	1356	sub new($) {
1021	my ($login) = @_;	1357	my ($login) = @_;
1022		1358
…		…
1026	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1027		1363
1028	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1029		1365
1030	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1031	}	1377	}
1032		1378
1033	=item $pl->quit_character	1379	=item $pl->quit_character
1034		1380
1035	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1085		1431
1086	=cut	1432	=cut
1087		1433
1088	sub list_logins {	1434	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1436	or return [];
1091		1437
1092	my @logins;	1438	my @logins;
1093		1439
1094	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1098		1449
1099	utf8::decode $login;	1450	utf8::decode $login;
1100	push @logins, $login;	1451	push @logins, $login;
1101	}	1452	}
1102		1453
…		…
1129	}	1480	}
1130		1481
1131	\@paths	1482	\@paths
1132	}	1483	}
1133		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1134	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1135		1537
1136	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1137		1539
1138	=cut	1540	=cut
1139		1541
1140	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1142		1544
1143	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1546	}
1147		1547
1148	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1149		1549
1150	Sends an ext event to the client.	1550	Sends an ext event to the client.
1151		1551
1152	=cut	1552	=cut
1153		1553
1154	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1156		1556
1157	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1158	}	1558	}
1159		1559
1160	=head3 cf::region	1560	=head3 cf::region
1161		1561
1162	=over 4	1562	=over 4
…		…
1165		1565
1166	package cf::region;	1566	package cf::region;
1167		1567
1168	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1169		1569
1170	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1171		1571
1172	=cut	1572	=cut
1173		1573
1174	sub find_by_path($) {	1574	sub find_by_path($) {
1175	my ($path) = @_;	1575	my ($path) = @_;
1176		1576
1177	my ($match, $specificity);	1577	my ($match, $specificity);
1178		1578
1179	for my $region (list) {	1579	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1183	}	1583	}
1184	}	1584	}
1185		1585
…		…
1249	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1250		1650
1251	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1252	local $self->{path};	1652	local $self->{path};
1253	local $self->{load_path};	1653	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1654
1257	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1258	}	1656	}
1259		1657
1260	sub normalise {	1658	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1308	return $self;	1706	return $self;
1309	}	1707	}
1310	}	1708	}
1311		1709
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1711	()
1314	}	1712	}
1315		1713
1316	sub init {	1714	sub init {
1317	my ($self) = @_;	1715	my ($self) = @_;
…		…
1332		1730
1333	# the original (read-only) location	1731	# the original (read-only) location
1334	sub load_path {	1732	sub load_path {
1335	my ($self) = @_;	1733	my ($self) = @_;
1336		1734
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1338	}	1736	}
1339		1737
1340	# the temporary/swap location	1738	# the temporary/swap location
1341	sub save_path {	1739	sub save_path {
1342	my ($self) = @_;	1740	my ($self) = @_;
1343		1741
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1346	}	1744	}
1347		1745
1348	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1349	sub uniq_path {	1747	sub uniq_path {
1350	my ($self) = @_;	1748	my ($self) = @_;
1351		1749
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1354	}	1752	}
1355		1753
1356	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1357	# all maps in C++...	1755	# all maps in C++...
1358	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1360		1758
1361	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1363	}	1761	}
1364		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1365	sub unlink_save {	1771	sub unlink_save {
1366	my ($self) = @_;	1772	my ($self) = @_;
1367		1773
1368	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1778
1373	sub load_header_from($) {	1779	sub load_header_from($) {
1374	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1375		1781
1376	utf8::encode $path;	1782	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1382		1791
1383	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1384		1793
1385	1	1794	1
1386	}	1795	}
…		…
1425	$self->load_header_orig	1834	$self->load_header_orig
1426	or return;	1835	or return;
1427	$self->prepare_orig;	1836	$self->prepare_orig;
1428	}	1837	}
1429		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1430	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1843	unless $self->default_region;
1432		1844
1433	1	1845	1
1434	}	1846	}
…		…
1437	sub find {	1849	sub find {
1438	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1439		1851
1440	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1441		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1443		1856
1444	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1446	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1447	or return;	1862	or return;
1448		1863
1449	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1450		1865
1451	$map->load_header	1866	$map->load_header
1452	or return;	1867	or return;
1453		1868
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1457	$map->reset;	1874	$map->reset;
1458	undef $guard;
1459	return find $path;	1875	return find $path;
1460	}	1876	}
1461		1877
1462	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1463	}	1879	}
…		…
1470	my ($self) = @_;	1886	my ($self) = @_;
1471		1887
1472	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1473		1889
1474	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1476		1894
		1895	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1897
1479	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1480		1899
1481	$self->alloc;	1900	$self->alloc;
1482		1901
1483	$self->pre_load;	1902	$self->pre_load;
1484	Coro::cede;	1903	cf::cede_to_tick;
1485		1904
1486	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1487	or return;	1908	or return;
1488		1909
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1911	if delete $self->{load_original};
1491		1912
1492	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1914	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1917	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1497	}	1921	}
1498	}	1922	}
1499		1923
1500	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1501	# now do the right thing for maps	1927	# now do the right thing for maps
1502	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	1929	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1930	unless $self->difficulty;
1513	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1514	$self->activate;	1940	$self->activate;
1515	Coro::cede;	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1947	}
1517		1948
1518	$self->post_load;	1949	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1950	}
1523		1951
1524	sub customise_for {	1952	sub customise_for {
1525	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1526		1954
1527	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1956	if $self->per_player;
1529		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1530	$self	1961	$self
1531	}	1962	}
1532		1963
1533	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1965	sub load_neighbours {
1535	my ($map) = @_;	1966	my ($map) = @_;
1536		1967
1537	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1538		1969
1539	for (0 .. 3) {	1970	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1541	or next;	1972	or next;
1542	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1543	or next;	1974	or next;
1544	$neigh->load;	1975	$neigh->load;
1545		1976
		1977	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	1980	}
1549		1981
1550	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1552	or next;	1985	or next;
1553	$neigh->load;	1986	$neigh->load;
1554	}	1987	}
1555	}	1988	}
1556		1989
…		…
1561	}	1994	}
1562		1995
1563	sub do_load_sync {	1996	sub do_load_sync {
1564	my ($map) = @_;	1997	my ($map) = @_;
1565		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1566	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1567	}	2003	}
1568		2004
1569	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1571		2007
1572	sub find_async {	2008	sub find_async {
1573	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1574		2010
1575	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1576		2012
1577	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2015	}
1580		2016
1581	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1582	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2022	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2023	$map->load if $v;
		2024	}
1588		2025
1589	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1590	}	2027	}
1591	}	2028	}
1592	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1593	};	2030	};
1594	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2034	}
1598		2035
1599	sub save {	2036	sub save {
1600	my ($self) = @_;	2037	my ($self) = @_;
1601		2038
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2040
1604	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1605		2042
1606	return unless $self->dirty;	2043	return unless $self->dirty;
1607		2044
…		…
1630	my ($self) = @_;	2067	my ($self) = @_;
1631		2068
1632	# save first because save cedes	2069	# save first because save cedes
1633	$self->save;	2070	$self->save;
1634		2071
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2073
1637	return if $self->players;	2074	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2076	return if $self->{deny_save};
1640		2077
		2078	$self->deactivate;
1641	$self->clear;	2079	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2081	}
1644		2082
1645	sub reset_at {	2083	sub reset_at {
1646	my ($self) = @_;	2084	my ($self) = @_;
1647		2085
1648	# TODO: safety, remove and allow resettable per-player maps	2086	# 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};	2087	return 1e99 if $self->{deny_reset};
1651		2088
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2091
…		…
1665	my ($self) = @_;	2102	my ($self) = @_;
1666		2103
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2105
1669	return if $self->players;	2106	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2107
1672	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1673		2109
1674	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1675		2111
1676	# need to save uniques path	2112	# need to save uniques path
1677	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2117	if $uniq;
1682	}	2118	}
1683		2119
1684	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1685		2121
		2122	$self->deactivate;
1686	$self->clear;	2123	$self->clear;
1687		2124
1688	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1689		2126
1690	$self->unlink_save;	2127	$self->unlink_save;
…		…
1694	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1695		2132
1696	sub nuke {	2133	sub nuke {
1697	my ($self) = @_;	2134	my ($self) = @_;
1698		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1699	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1700		2140
1701	$self->unlink_save;	2141	$self->unlink_save;
1702		2142
1703	bless $self, "cf::map";	2143	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2148
1709	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1710		2151
1711	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1712	}	2189	}
1713		2190
1714	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1715		2192
1716	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2194	instantiated unique items. May block.
1718		2195
1719	=cut	2196	=cut
1720		2197
1721	sub unique_maps() {	2198	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1723	or return;	2200	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2201	utf8::decode $_;
1729	next if /\.pst$/;	2202	/\.map$/
1730	next unless /^$PATH_SEP/o;	2203	? normalise $_
1731		2204	: ()
1732	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2206	]
1734
1735	\@paths
1736	}	2207	}
1737		2208
1738	package cf;	2209	package cf;
1739		2210
1740	=back	2211	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1759	}	2230	}
1760		2231
1761	sub inv_recursive {	2232	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1763	}	2265	}
1764		2266
1765	package cf;	2267	package cf;
1766		2268
1767	=back	2269	=back
…		…
1786		2288
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2290
1789	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1791	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1794	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1795	}	2316	}
1796		2317
1797	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1798		2319
1799	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1847		2368
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2370
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1852		2373
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2375	}
1855		2376
1856	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1858		2381
1859	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1860		2383
1861	unless ($map) {	2384	unless ($map) {
1862	# restore original map position	2385	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1879		2402
1880	$map->load;	2403	$map->load;
1881	$map->load_diag;	2404	$map->load_neighbours;
1882		2405
1883	return unless $self->contr->active;	2406	return unless $self->contr->active;
1884	$self->activate_recursive;	2407	$self->activate_recursive;
1885		2408
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1888	}	2411	}
1889		2412
1890	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2414
1894	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1898	};	2419	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2420
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	2421	=cut
		2422
		2423	our $GOTOGEN;
1925		2424
1926	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2430
1929	$self->enter_link;	2431	$self->enter_link;
1930		2432
1931	(async {	2433	(async {
1932	my $map = eval {	2434	my $map = eval {
1933	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1935	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2450	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1940	})->prio (1);	2458	})->prio (1);
1941	}	2459	}
1942		2460
1943	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1944		2462
…		…
1983		2501
1984	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1985		2503
1986	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1989		2507
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2510	undef $fh;
1993	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
2015		2533
2016	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
2017		2539
2018	(async {	2540	(async {
2019	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2542	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
…		…
2049		2571
2050	utf8::encode $text;	2572	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2574	}
2053		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
2054	=item $client->ext_event ($type, %msg)	2657	=item $client->ext_msg ($type, @msg)
2055		2658
2056	Sends an exti event to the client.	2659	Sends an ext event to the client.
2057		2660
2058	=cut	2661	=cut
2059		2662
2060	sub cf::client::ext_event($$%) {	2663	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2664	my ($self, $type, @msg) = @_;
2062		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2669	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
2065	}	2690	}
2066		2691
2067	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2068		2693
2069	Queues a query to the client, calling the given callback with	2694	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>,	2695	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>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2697
2073	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2699	become reliable at some point in the future.
2075		2700
2076	=cut	2701	=cut
2077		2702
2078	sub cf::client::query {	2703	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2712	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2714
2090	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2092	}	2719	}
2093		2720
2094	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2095	on_reply => sub {	2727	on_reply => sub {
2096	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2097		2729
2098	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2099	# get handled first	2731	# get handled first
…		…
2111	} else {	2743	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2745	}
2114	}	2746	}
2115	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2116	);	2774	);
2117		2775
2118	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2119		2777
2120	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2163		2821
2164	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2165		2823
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2167		2829
2168	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2169		2831
2170	=pod	2832	=pod
2171		2833
2172	The following functions and methods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2173		2835
2174	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2175	cf::object::player player	2840	cf::object::player
2176	cf::player peaceful	2841	player
2177	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2178		2848
2179	=cut	2849	=cut
2180		2850
2181	for (	2851	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2183	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2186	) {	2858	) {
2187	no strict 'refs';	2859	no strict 'refs';
…		…
2258	=back	2930	=back
2259		2931
2260	=cut	2932	=cut
2261		2933
2262	#############################################################################	2934	#############################################################################
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	2935	# the server's init and main functions
2336		2936
2337	sub load_facedata {	2937	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		2945
2340	warn "loading facedata from $path\n";	2946	warn "loading facedata from $path\n";
2341		2947
2342	my $facedata;	2948	my $facedata;
2343	0 < aio_load $path, $facedata	2949	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	2952	$facedata = Coro::Storable::thaw $facedata;
2347		2953
2348	$facedata->{version} == 2	2954	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
2351	{	2964	{
2352	my $faces = $facedata->{faceinfo};	2965	my $faces = $facedata->{faceinfo};
2353		2966
2354	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	2973
		2974	cf::cede_to_tick;
2360	}	2975	}
2361		2976
2362	while (my ($face, $info) = each %$faces) {	2977	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2978	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2979	my $idx = cf::face::find $face
2365	or next;	2980	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2984	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2986	}
2371	Coro::cede;	2987
		2988	cf::cede_to_tick;
2372	}	2989	}
2373	}	2990	}
2374		2991
2375	{	2992	{
2376	my $anims = $facedata->{animinfo};	2993	my $anims = $facedata->{animinfo};
2377		2994
2378	while (my ($anim, $info) = each %$anims) {	2995	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2997	cf::cede_to_tick;
2381	}	2998	}
2382		2999
2383	cf::anim::invalidate_all; # d'oh	3000	cf::anim::invalidate_all; # d'oh
2384	}	3001	}
2385		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
2386	1	3052	1
2387	}	3053	}
2388		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
2389	sub reload_resources {	3097	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3098	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3099
		3100	reload_regions;
2392	load_facedata	3101	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
2394	}	3107	}
2395		3108
2396	sub init {	3109	sub init {
2397	reload_resources;	3110	reload_resources;
2398	}	3111	}
2399		3112
2400	sub cfg_load {	3113	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3115	or return;
2403		3116
2404	local $/;	3117	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2406		3119
…		…
2425	(async {	3138	(async {
2426	Event::one_event;	3139	Event::one_event;
2427	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2428	};	3141	};
2429		3142
2430	cfg_load;	3143	reload_config;
2431	db_init;	3144	db_init;
2432	load_extensions;	3145	load_extensions;
2433		3146
2434	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2435	Event::loop;	3148	Event::loop;
…		…
2451	},	3164	},
2452	);	3165	);
2453	}	3166	}
2454	}	3167	}
2455		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2456	sub emergency_save() {	3207	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2458		3209
2459	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2460		3211
…		…
2491		3242
2492	warn Carp::longmess "post_cleanup backtrace"	3243	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3244	if $make_core;
2494	}	3245	}
2495		3246
2496	sub reload() {	3247	sub do_reload_perl() {
2497	# can/must only be called in main	3248	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2500	return;	3251	return;
2501	}	3252	}
…		…
2535	%EXT_CORO = ();	3286	%EXT_CORO = ();
2536		3287
2537	warn "removing commands";	3288	warn "removing commands";
2538	%COMMAND = ();	3289	%COMMAND = ();
2539		3290
2540	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2542		3294
2543	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2546		3298
…		…
2576	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3330
2579	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2581		3334
2582	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3336	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2585		3338
…		…
2588	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2589	require cf;	3342	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3344
2592	warn "loading config and database again";	3345	warn "loading config and database again";
2593	cf::cfg_load;	3346	cf::reload_config;
2594		3347
2595	warn "loading extensions";	3348	warn "loading extensions";
2596	cf::load_extensions;	3349	cf::load_extensions;
2597		3350
2598	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3355	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3356	reattach $_ for values %PLAYER;
2604		3357
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3358	warn "leaving sync_job";
2609		3359
2610	1	3360	1
2611	} or do {	3361	} or do {
2612	warn $@;	3362	warn $@;
…		…
2617	warn "reloaded";	3367	warn "reloaded";
2618	};	3368	};
2619		3369
2620	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2621		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2622	register_command "reload" => sub {	3387	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2624		3389
2625	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2627		3392	async { reload_perl };
2628	# doing reload synchronously and two reloads happen back-to-back,
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);
2640	}	3393	}
2641	};	3394	};
2642		3395
2643	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2644		3397
…		…
2646		3399
2647	our @WAIT_FOR_TICK;	3400	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3401	our @WAIT_FOR_TICK_BEGIN;
2649		3402
2650	sub wait_for_tick {	3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
2651	my $signal = new Coro::Signal;	3407	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3408	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3409	$signal->wait;
2654	}	3410	}
2655		3411
2656	sub wait_for_tick_begin {	3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
2657	my $signal = new Coro::Signal;	3416	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3417	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3418	$signal->wait;
2660	}	3419	}
2661		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2662	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2663	reentrant => 0,	3424	reentrant => 0,
2664	parked => 1,	3425	parked => 1,
2665	prio => 0,	3426	prio => 0,
2666	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2672	return;	3433	return;
2673	}	3434	}
2674		3435
2675	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2676		3437
2677	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2678	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2680		3465
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2684	write_runtime	3469	write_runtime
2685	or warn "ERROR: unable to write runtime file: $!";	3470	or warn "ERROR: unable to write runtime file: $!";
2686	};	3471	};
2687	}	3472	}
2688		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	3478	$sig->send;
2691	}	3479	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3480	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3481	$sig->send;
2694	}	3482	}
2695		3483
2696	# my $AFTER = Event::time;	3484	$NOW = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698		3485
2699	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2701		3488
2702	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2704	},	3498	},
2705	);	3499	);
2706		3500
2707	{	3501	{
2708	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2736		3530
2737	cf::sync_job {	3531	cf::sync_job {
2738	eval {	3532	eval {
2739	BDB::db_env_open	3533	BDB::db_env_open
2740	$DB_ENV,	3534	$DB_ENV,
2741	$BDB_ENV_DIR,	3535	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3538	0666;
2745		3539
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747		3541
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;	3543	$DB_ENV->set_lk_detect;
2750	};	3544	};
2751		3545
…		…
2767	prio => 6,	3561	prio => 6,
2768	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2769	);	3563	);
2770	}	3564	}
2771		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
		3606
2772	END { cf::emergency_save }	3607	END { cf::emergency_save }
2773		3608
2774	1	3609	1
2775		3610

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