ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	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
121	every server tick.	133	every server tick.
122		134
123	=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
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	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.
135		161
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
163		196
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		204
171	# 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
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$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;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	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]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
234	returned.	275	returned.
235		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
236	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
237	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
238		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
239	=cut	287	=cut
240		288
241	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
242		291
243	sub lock_wait($) {	292	sub lock_wait($) {
244	my ($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#
245		299
246	# wait for lock, if any	300	# wait for lock, if any
247	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	303	Coro::schedule;
…		…
255		309
256	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
257	lock_wait $key;	311	lock_wait $key;
258		312
259	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
260		315
261	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
264	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
265	}	327	}
266		328
267	sub freeze_mainloop {	329	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
269		331
…		…
272	};	334	};
273	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
274	$guard	336	$guard
275	}	337	}
276		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
277	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
278		396
279	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
280	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
281	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.
…		…
284		402
285	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
286		404
287	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
288		406
289	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)
290	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
291	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.
292		411
293	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
294	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
295	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
296	fast or be very important.	415	fast or be very important.
…		…
299		418
300	sub sync_job(&) {	419	sub sync_job(&) {
301	my ($job) = @_;	420	my ($job) = @_;
302		421
303	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
304	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
306		427
307	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
319		440
320	while ($busy) {	441	while ($busy) {
321	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
322	}	443	}
323		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
324	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
325	} else {	453	} else {
326	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
327		455
328	$job->()	456	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
348		476
349	$coro	477	$coro
350	}	478	}
351		479
352	sub write_runtime {	480	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		481
355	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.
356		486
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
358	or return;
359		488
360	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		491
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
365	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
366		495
367	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	497	reset_signals;
369	and return;	498	&$cb
		499	}, @args;
370		500
371	close $fh	501	wantarray ? @res : $res[-1]
372	or return;	502	}
373		503
374	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
375	and return;
376		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	};
377	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"
378	}	618	}
379		619
380	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
381		621
382	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.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
402		642
403	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>
404	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
405	crossfire+).	645	Crossfire TRT).
406		646
407	=over 4	647	=over 4
408		648
409	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
410		650
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
574		814
575	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		819
580	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	821	my $pkg = shift @arg;
582		822
583	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
613	}	853	}
614		854
615	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
616	} else {	856	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	858	}
619		859
620	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
621	}	861	}
622		862
…		…
624	if (ref $_[0]) {	864	if (ref $_[0]) {
625	_object_attach @_;	865	_object_attach @_;
626	} else {	866	} else {
627	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
628	}	868	}
		869	_recalc_want;
629	};	870	};
630		871
631	# all those should be optimised	872	# all those should be optimised
632	sub cf::attachable::detach {	873	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
637	reattach ($obj);	878	reattach ($obj);
638	} else {	879	} else {
639	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
640	}	881	}
		882	_recalc_want;
641	};	883	};
642		884
643	sub cf::attachable::attached {	885	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
645		887
…		…
660	";	902	";
661	die if $@;	903	die if $@;
662	}	904	}
663		905
664	our $override;	906	our $override;
665	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?
666		908
667	sub override {	909	sub override {
668	$override = 1;	910	$override = 1;
669	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
670	}	912	}
671		913
672	sub do_invoke {	914	sub do_invoke {
673	my $event = shift;	915	my $event = shift;
674	my $callbacks = shift;	916	my $callbacks = shift;
675		917
676	@invoke_results = ();	918	@INVOKE_RESULTS = ();
677		919
678	local $override;	920	local $override;
679		921
680	for (@$callbacks) {	922	for (@$callbacks) {
681	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
698		940
699	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
700		942
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		946
705	=back	947	=back
706		948
707	=cut	949	=cut
708		950
709	#############################################################################	951	#############################################################################
710	# 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	}
711		964
712	sub reattach {	965	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	967	my ($obj) = @_;
715		968
…		…
759	},	1012	},
760	);	1013	);
761		1014
762	sub object_freezer_save {	1015	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
764		1019
765	sync_job {	1020	sync_job {
766	if (length $$rdata) {	1021	if (length $$rdata) {
767	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
792	}	1047	}
793	} else {	1048	} else {
794	aio_unlink $filename;	1049	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
796	}	1051	}
797	}	1052	};
		1053
		1054	undef $guard;
798	}	1055	}
799		1056
800	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
802		1059
…		…
807		1064
808	sub object_thawer_load {	1065	sub object_thawer_load {
809	my ($filename) = @_;	1066	my ($filename) = @_;
810		1067
811	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
812		1071
813	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
814	or return;	1073	or return;
815		1074
816	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
818	or return;	1077	or return;
		1078
		1079	undef $guard;
819	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1081	}
821		1082
822	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
824	return ($data, $av);	1086	($data, $av)
825	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
826		1094
827	#############################################################################	1095	#############################################################################
828	# command handling &c	1096	# command handling &c
829		1097
830	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1112	}
845		1113
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1115
848	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.
849		1121
850	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
851	called.	1123	called.
852		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
853	=cut	1136	=cut
854		1137
855	sub register_extcmd {	1138	sub register_extcmd {
856	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
857		1140
858	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
859	}	1148	}
860		1149
861	cf::player->attach (	1150	cf::player->attach (
862	on_command => sub {	1151	on_command => sub {
863	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1161	cf::override;
873	},	1162	},
874	on_extcmd => sub {	1163	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
876		1165
877	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1167
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
885	} else {	1183	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1185	}
888		1186
889	cf::override;	1187	cf::override;
890	},	1188	},
891	);	1189	);
892		1190
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
928	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1196	next unless -r $path;
930	eval {	1197
931	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;
932	1	1255	}
933	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
934	}	1261	};
935	}	1262	}
936		1263
937	#############################################################################	1264	#############################################################################
938		1265
		1266	=back
		1267
939	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
940		1269
941	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
942		1271
943	=cut	1272	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
956		1285
957	=cut	1286	=cut
958		1287
959	sub playerdir($) {	1288	sub playerdir($) {
960	cf::localdir	1289	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1291	}
966		1292
967	sub path($) {	1293	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
999		1325
1000	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1003	}	1335	}
1004	}	1336	}
1005	}	1337	}
1006		1338
…		…
1016		1348
1017	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1019		1351
1020	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1021	Coro::cede;	1353	cf::cede_to_tick;
1022	}	1354	}
1023		1355
1024	sub new($) {	1356	sub new($) {
1025	my ($login) = @_;	1357	my ($login) = @_;
1026		1358
…		…
1030	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1031		1363
1032	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1033		1365
1034	$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 (@_);
1035	}	1377	}
1036		1378
1037	=item $pl->quit_character	1379	=item $pl->quit_character
1038		1380
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1089		1431
1090	=cut	1432	=cut
1091		1433
1092	sub list_logins {	1434	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1436	or return [];
1095		1437
1096	my @logins;	1438	my @logins;
1097		1439
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1102		1449
1103	utf8::decode $login;	1450	utf8::decode $login;
1104	push @logins, $login;	1451	push @logins, $login;
1105	}	1452	}
1106		1453
…		…
1133	}	1480	}
1134		1481
1135	\@paths	1482	\@paths
1136	}	1483	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1139		1537
1140	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1141		1539
1142	=cut	1540	=cut
1143		1541
1144	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1146		1544
1147	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1546	}
1151		1547
1152	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1153		1549
1154	Sends an ext event to the client.	1550	Sends an ext event to the client.
1155		1551
1156	=cut	1552	=cut
1157		1553
1158	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1160		1556
1161	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1162	}	1558	}
1163		1559
1164	package cf;	1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1165		1588
1166	=back	1589	=back
1167
1168		1590
1169	=head3 cf::map	1591	=head3 cf::map
1170		1592
1171	=over 4	1593	=over 4
1172		1594
…		…
1227	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1228		1650
1229	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1230	local $self->{path};	1652	local $self->{path};
1231	local $self->{load_path};	1653	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1654
1235	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1236	}	1656	}
1237		1657
1238	sub normalise {	1658	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1286	return $self;	1706	return $self;
1287	}	1707	}
1288	}	1708	}
1289		1709
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1711	()
1292	}	1712	}
1293		1713
1294	sub init {	1714	sub init {
1295	my ($self) = @_;	1715	my ($self) = @_;
…		…
1310		1730
1311	# the original (read-only) location	1731	# the original (read-only) location
1312	sub load_path {	1732	sub load_path {
1313	my ($self) = @_;	1733	my ($self) = @_;
1314		1734
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1316	}	1736	}
1317		1737
1318	# the temporary/swap location	1738	# the temporary/swap location
1319	sub save_path {	1739	sub save_path {
1320	my ($self) = @_;	1740	my ($self) = @_;
1321		1741
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1324	}	1744	}
1325		1745
1326	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1327	sub uniq_path {	1747	sub uniq_path {
1328	my ($self) = @_;	1748	my ($self) = @_;
1329		1749
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1332	}	1752	}
1333		1753
1334	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1335	# all maps in C++...	1755	# all maps in C++...
1336	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1338		1758
1339	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1341	}	1761	}
1342		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1343	sub unlink_save {	1771	sub unlink_save {
1344	my ($self) = @_;	1772	my ($self) = @_;
1345		1773
1346	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1778
1351	sub load_header_from($) {	1779	sub load_header_from($) {
1352	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1353		1781
1354	utf8::encode $path;	1782	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1791
1361	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1362		1793
1363	1	1794	1
1364	}	1795	}
…		…
1403	$self->load_header_orig	1834	$self->load_header_orig
1404	or return;	1835	or return;
1405	$self->prepare_orig;	1836	$self->prepare_orig;
1406	}	1837	}
1407		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1408	1	1845	1
1409	}	1846	}
1410		1847
1411	sub find;	1848	sub find;
1412	sub find {	1849	sub find {
1413	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1414		1851
1415	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1416		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1418		1856
1419	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1420	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
1421	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1422	or return;	1862	or return;
1423		1863
1424	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1425		1865
1426	$map->load_header	1866	$map->load_header
1427	or return;	1867	or return;
1428		1868
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1432	$map->reset;	1874	$map->reset;
1433	undef $guard;
1434	return find $path;	1875	return find $path;
1435	}	1876	}
1436		1877
1437	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1438	}	1879	}
…		…
1445	my ($self) = @_;	1886	my ($self) = @_;
1446		1887
1447	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1448		1889
1449	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1451		1894
		1895	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1897
1454	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1455		1899
1456	$self->alloc;	1900	$self->alloc;
1457		1901
1458	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1459		1904
1460	$self->_load_objects ($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)
1461	or return;	1908	or return;
1462		1909
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1911	if delete $self->{load_original};
1465		1912
1466	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1914	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	1917	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1471	}	1921	}
1472	}	1922	}
1473		1923
1474	Coro::cede;	1924	$f->resolve_delayed_derefs;
1475		1925
		1926	cf::cede_to_tick;
1476	# now do the right thing for maps	1927	# now do the right thing for maps
1477	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1930	unless $self->difficulty;
1487	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($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;
1488	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1947	}
1490		1948
1491	$self->post_load;	1949	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1950	}
1495		1951
1496	sub customise_for {	1952	sub customise_for {
1497	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1498		1954
1499	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1956	if $self->per_player;
1501		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1502	$self	1961	$self
1503	}	1962	}
1504		1963
1505	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1965	sub load_neighbours {
1507	my ($map) = @_;	1966	my ($map) = @_;
1508		1967
1509	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1510		1969
1511	for (0 .. 3) {	1970	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1513	or next;	1972	or next;
1514	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1515	or next;	1974	or next;
1516	$neigh->load;	1975	$neigh->load;
1517		1976
		1977	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1980	}
1521		1981
1522	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1524	or next;	1985	or next;
1525	$neigh->load;	1986	$neigh->load;
1526	}	1987	}
1527	}	1988	}
1528		1989
…		…
1533	}	1994	}
1534		1995
1535	sub do_load_sync {	1996	sub do_load_sync {
1536	my ($map) = @_;	1997	my ($map) = @_;
1537		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1538	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1539	}	2003	}
1540		2004
1541	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1543		2007
1544	sub find_async {	2008	sub find_async {
1545	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1546		2010
1547	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1548		2012
1549	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2015	}
1552		2016
1553	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1554	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2022	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2023	$map->load if $v;
		2024	}
1560		2025
1561	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1562	}	2027	}
1563	}	2028	}
1564	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1565	};	2030	};
1566	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2034	}
1570		2035
1571	sub save {	2036	sub save {
1572	my ($self) = @_;	2037	my ($self) = @_;
1573		2038
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2040
1576	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1577		2042
1578	return unless $self->dirty;	2043	return unless $self->dirty;
1579		2044
…		…
1602	my ($self) = @_;	2067	my ($self) = @_;
1603		2068
1604	# save first because save cedes	2069	# save first because save cedes
1605	$self->save;	2070	$self->save;
1606		2071
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2073
1609	return if $self->players;	2074	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2076	return if $self->{deny_save};
1612		2077
		2078	$self->deactivate;
1613	$self->clear;	2079	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2081	}
1616		2082
1617	sub reset_at {	2083	sub reset_at {
1618	my ($self) = @_;	2084	my ($self) = @_;
1619		2085
1620	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1623		2088
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2091
…		…
1637	my ($self) = @_;	2102	my ($self) = @_;
1638		2103
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2105
1641	return if $self->players;	2106	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2107
1644	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1645		2109
1646	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1647		2111
1648	# need to save uniques path	2112	# need to save uniques path
1649	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2117	if $uniq;
1654	}	2118	}
1655		2119
1656	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1657		2121
		2122	$self->deactivate;
1658	$self->clear;	2123	$self->clear;
1659		2124
1660	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1661		2126
1662	$self->unlink_save;	2127	$self->unlink_save;
…		…
1666	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1667		2132
1668	sub nuke {	2133	sub nuke {
1669	my ($self) = @_;	2134	my ($self) = @_;
1670		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1671	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1672		2140
1673	$self->unlink_save;	2141	$self->unlink_save;
1674		2142
1675	bless $self, "cf::map";	2143	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2148
1681	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1682		2151
1683	$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	]
1684	}	2189	}
1685		2190
1686	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1687		2192
1688	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2194	instantiated unique items. May block.
1690		2195
1691	=cut	2196	=cut
1692		2197
1693	sub unique_maps() {	2198	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1695	or return;	2200	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2201	utf8::decode $_;
1701	next if /\.pst$/;	2202	/\.map$/
1702	next unless /^$PATH_SEP/o;	2203	? normalise $_
1703		2204	: ()
1704	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2206	]
1706
1707	\@paths
1708	}	2207	}
1709		2208
1710	package cf;	2209	package cf;
1711		2210
1712	=back	2211	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1731	}	2230	}
1732		2231
1733	sub inv_recursive {	2232	sub inv_recursive {
1734	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	}
1735	}	2265	}
1736		2266
1737	package cf;	2267	package cf;
1738		2268
1739	=back	2269	=back
…		…
1758		2288
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2290
1761	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1766	}	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 (@_);
1767	}	2316	}
1768		2317
1769	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1770		2319
1771	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1819		2368
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2370
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1824		2373
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2375	}
1827		2376
1828	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1830		2381
1831	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1832		2383
1833	unless ($map) {	2384	unless ($map) {
1834	# restore original map position	2385	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1851		2402
1852	$map->load;	2403	$map->load;
1853	$map->load_diag;	2404	$map->load_neighbours;
1854		2405
1855	return unless $self->contr->active;	2406	return unless $self->contr->active;
1856	$self->activate_recursive;	2407	$self->activate_recursive;
1857		2408
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1860	}	2411	}
1861		2412
1862	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2414
1866	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1870	};	2419	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2420
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1897		2424
1898	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1899	my ($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;
1900		2430
1901	$self->enter_link;	2431	$self->enter_link;
1902		2432
1903	(async {	2433	(async {
1904	my $map = eval {	2434	my $map = eval {
1905	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2450	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1912	})->prio (1);	2458	})->prio (1);
1913	}	2459	}
1914		2460
1915	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1916		2462
…		…
1955		2501
1956	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1957		2503
1958	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1961		2507
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2510	undef $fh;
1965	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1984	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;
1985	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
1987		2533
1988	$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);
1989		2539
1990	(async {	2540	(async {
1991	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2542	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
…		…
2021		2571
2022	utf8::encode $text;	2572	utf8::encode $text;
2023	$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);
2024	}	2574	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2657	=item $client->ext_msg ($type, @msg)
2027		2658
2028	Sends an exti event to the client.	2659	Sends an ext event to the client.
2029		2660
2030	=cut	2661	=cut
2031		2662
2032	sub cf::client::ext_event($$%) {	2663	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2664	my ($self, $type, @msg) = @_;
2034		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2669	push @msg, msgtype => "event_$type";
2036	$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	}
2037	}	2690	}
2038		2691
2039	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2040		2693
2041	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2697
2045	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
2046	reliable at some point in the future.	2699	become reliable at some point in the future.
2047		2700
2048	=cut	2701	=cut
2049		2702
2050	sub cf::client::query {	2703	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2712	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2714
2062	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2064	}	2719	}
2065		2720
2066	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	},
2067	on_reply => sub {	2727	on_reply => sub {
2068	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2069		2729
2070	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2071	# get handled first	2731	# get handled first
…		…
2083	} else {	2743	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2745	}
2086	}	2746	}
2087	},	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	},
2088	);	2774	);
2089		2775
2090	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2091		2777
2092	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2135		2821
2136	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2137		2823
2138	$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	));
2139		2829
2140	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2141		2831
2142	=pod	2832	=pod
2143		2833
2144	The following functions and methods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2145		2835
2146	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
2147	cf::object::player player	2840	cf::object::player
2148	cf::player peaceful	2841	player
2149	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2150		2848
2151	=cut	2849	=cut
2152		2850
2153	for (	2851	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2158	) {	2858	) {
2159	no strict 'refs';	2859	no strict 'refs';
…		…
2230	=back	2930	=back
2231		2931
2232	=cut	2932	=cut
2233		2933
2234	#############################################################################	2934	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2935	# the server's init and main functions
2308		2936
2309	sub load_facedata {	2937	sub load_facedata($) {
2310	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;
2311		2945
2312	warn "loading facedata from $path\n";	2946	warn "loading facedata from $path\n";
2313		2947
2314	my $facedata;	2948	my $facedata;
2315	0 < aio_load $path, $facedata	2949	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2952	$facedata = Coro::Storable::thaw $facedata;
2319		2953
2320	$facedata->{version} == 2	2954	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	2964	{
2324	my $faces = $facedata->{faceinfo};	2965	my $faces = $facedata->{faceinfo};
2325		2966
2326	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2973
		2974	cf::cede_to_tick;
2332	}	2975	}
2333		2976
2334	while (my ($face, $info) = each %$faces) {	2977	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2978	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2979	my $idx = cf::face::find $face
2337	or next;	2980	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2984	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2986	}
2343	Coro::cede;	2987
		2988	cf::cede_to_tick;
2344	}	2989	}
2345	}	2990	}
2346		2991
2347	{	2992	{
2348	my $anims = $facedata->{animinfo};	2993	my $anims = $facedata->{animinfo};
2349		2994
2350	while (my ($anim, $info) = each %$anims) {	2995	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2997	cf::cede_to_tick;
2353	}	2998	}
2354		2999
2355	cf::anim::invalidate_all; # d'oh	3000	cf::anim::invalidate_all; # d'oh
2356	}	3001	}
2357		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
2358	1	3052	1
2359	}	3053	}
2360		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
2361	sub reload_resources {	3097	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3098	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3099
		3100	reload_regions;
2364	load_facedata	3101	reload_facedata;
2365	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";
2366	}	3107	}
2367		3108
2368	sub init {	3109	sub init {
2369	reload_resources;	3110	reload_resources;
2370	}	3111	}
2371		3112
2372	sub cfg_load {	3113	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3115	or return;
2375		3116
2376	local $/;	3117	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2378		3119
…		…
2397	(async {	3138	(async {
2398	Event::one_event;	3139	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2400	};	3141	};
2401		3142
2402	cfg_load;	3143	reload_config;
2403	db_init;	3144	db_init;
2404	load_extensions;	3145	load_extensions;
2405		3146
2406	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2407	Event::loop;	3148	Event::loop;
…		…
2423	},	3164	},
2424	);	3165	);
2425	}	3166	}
2426	}	3167	}
2427		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
2428	sub emergency_save() {	3207	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2430		3209
2431	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2432		3211
…		…
2463		3242
2464	warn Carp::longmess "post_cleanup backtrace"	3243	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3244	if $make_core;
2466	}	3245	}
2467		3246
2468	sub reload() {	3247	sub do_reload_perl() {
2469	# can/must only be called in main	3248	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2472	return;	3251	return;
2473	}	3252	}
…		…
2507	%EXT_CORO = ();	3286	%EXT_CORO = ();
2508		3287
2509	warn "removing commands";	3288	warn "removing commands";
2510	%COMMAND = ();	3289	%COMMAND = ();
2511		3290
2512	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2514		3294
2515	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2518		3298
…		…
2548	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2549	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);
2550		3330
2551	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2553		3334
2554	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3336	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2557		3338
…		…
2560	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2561	require cf;	3342	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3344
2564	warn "loading config and database again";	3345	warn "loading config and database again";
2565	cf::cfg_load;	3346	cf::reload_config;
2566		3347
2567	warn "loading extensions";	3348	warn "loading extensions";
2568	cf::load_extensions;	3349	cf::load_extensions;
2569		3350
2570	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3355	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3356	reattach $_ for values %PLAYER;
2576		3357
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3358	warn "leaving sync_job";
2581		3359
2582	1	3360	1
2583	} or do {	3361	} or do {
2584	warn $@;	3362	warn $@;
…		…
2589	warn "reloaded";	3367	warn "reloaded";
2590	};	3368	};
2591		3369
2592	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2593		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
2594	register_command "reload" => sub {	3387	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2596		3389
2597	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2599		3392	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3393	}
2613	};	3394	};
2614		3395
2615	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2616		3397
2617	my $bug_warning = 0;	3398	my $bug_warning = 0;
2618		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3424	reentrant => 0,
2621	parked => 1,	3425	parked => 1,
2622	prio => 0,	3426	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2627	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"
2628	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2629	return;	3433	return;
2630	}	3434	}
2631		3435
2632	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2633		3437
2634	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
2635	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2637		3465
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3469	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3470	or warn "ERROR: unable to write runtime file: $!";
2643	};	3471	};
2644	}	3472	}
2645		3473
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2651		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2652	# 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
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3488
2655	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2656	$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
2657	},	3498	},
2658	);	3499	);
2659		3500
2660	{	3501	{
2661	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3530
2690	cf::sync_job {	3531	cf::sync_job {
2691	eval {	3532	eval {
2692	BDB::db_env_open	3533	BDB::db_env_open
2693	$DB_ENV,	3534	$DB_ENV,
2694	$BDB_ENV_DIR,	3535	$BDBDIR,
2695	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
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3538	0666;
2698		3539
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3541
2701	$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);
2702	$DB_ENV->set_lk_detect;	3543	$DB_ENV->set_lk_detect;
2703	};	3544	};
2704		3545
…		…
2720	prio => 6,	3561	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2722	);	3563	);
2723	}	3564	}
2724		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
2725	END { cf::emergency_save }	3607	END { cf::emergency_save }
2726		3608
2727	1	3609	1
2728		3610

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines