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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.357 by root, Tue Sep 4 08:42:58 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
…		…
68	our %CFG;	87	our %CFG;
69		88
70	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	133	every server tick.
120		134
121	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
133		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
158	LOG llevError, $msg;	193	LOG llevError, $msg;
159	};	194	};
160	}	195	}
161		196
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		204
169	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	206	# within the Safe compartment.
171	for my $pkg (qw(	207	for my $pkg (qw(
172	cf::global cf::attachable	208	cf::global cf::attachable
…		…
180	}	216	}
181		217
182	$Event::DIED = sub {	218	$Event::DIED = sub {
183	warn "error in event callback: @_";	219	warn "error in event callback: @_";
184	};	220	};
		221
		222	#############################################################################
185		223
186	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
187		225
188	=over 4	226	=over 4
189		227
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	247	$d
210	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
211	}	249	}
212		250
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
216		252
217	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
218		254
219	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
220		256
221	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
222		265
223	=item cf::lock_wait $string	266	=item cf::lock_wait $string
224		267
225	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
226		269
…		…
229	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
232	returned.	275	returned.
233		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
234	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
236		286
237	=cut	287	=cut
238		288
239	our %LOCK;	289	our %LOCK;
240		290
…		…
258		308
259	Coro::guard {	309	Coro::guard {
260	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
262	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
263	}	319	}
264		320
265	sub freeze_mainloop {	321	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
267		323
…		…
270	};	326	};
271	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
272	$guard	328	$guard
273	}	329	}
274		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
275	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
276		388
277	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
282		394
283	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
284		396
285	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
286		398
287	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
290		403
291	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
294	fast or be very important.	407	fast or be very important.
…		…
297		410
298	sub sync_job(&) {	411	sub sync_job(&) {
299	my ($job) = @_;	412	my ($job) = @_;
300		413
301	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
302	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
304		419
305	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
317		432
318	while ($busy) {	433	while ($busy) {
319	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
320	}	435	}
321		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
322	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
323	} else {	445	} else {
324	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
325		447
326	$job->()	448	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
346		468
347	$coro	469	$coro
348	}	470	}
349		471
350	sub write_runtime {	472	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		473
353	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
354		478
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
356	or return;
357		480
358	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		483
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
363	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
364		487
365	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	489	reset_signals;
367	and return;	490	&$cb
		491	}, @args;
368		492
369	close $fh	493	wantarray ? @res : $res[-1]
370	or return;	494	}
371		495
372	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
373	and return;
374		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
375	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	621	}
377		622
378	=back	623	=back
379		624
380	=cut	625	=cut
…		…
387	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
389		634
390	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	637	Crossfire TRT).
393		638
394	=over 4	639	=over 4
395		640
396	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
397		642
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
561		806
562	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		811
567	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	813	my $pkg = shift @arg;
569		814
570	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
600	}	845	}
601		846
602	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
603	} else {	848	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	850	}
606		851
607	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
608	}	853	}
609		854
…		…
611	if (ref $_[0]) {	856	if (ref $_[0]) {
612	_object_attach @_;	857	_object_attach @_;
613	} else {	858	} else {
614	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
615	}	860	}
		861	_recalc_want;
616	};	862	};
617		863
618	# all those should be optimised	864	# all those should be optimised
619	sub cf::attachable::detach {	865	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
624	reattach ($obj);	870	reattach ($obj);
625	} else {	871	} else {
626	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
627	}	873	}
		874	_recalc_want;
628	};	875	};
629		876
630	sub cf::attachable::attached {	877	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
632		879
…		…
647	";	894	";
648	die if $@;	895	die if $@;
649	}	896	}
650		897
651	our $override;	898	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		900
654	sub override {	901	sub override {
655	$override = 1;	902	$override = 1;
656	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
657	}	904	}
658		905
659	sub do_invoke {	906	sub do_invoke {
660	my $event = shift;	907	my $event = shift;
661	my $callbacks = shift;	908	my $callbacks = shift;
662		909
663	@invoke_results = ();	910	@INVOKE_RESULTS = ();
664		911
665	local $override;	912	local $override;
666		913
667	for (@$callbacks) {	914	for (@$callbacks) {
668	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
685		932
686	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
687		934
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		938
692	=back	939	=back
693		940
694	=cut	941	=cut
695		942
696	#############################################################################	943	#############################################################################
697	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
698		956
699	sub reattach {	957	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	959	my ($obj) = @_;
702		960
…		…
746	},	1004	},
747	);	1005	);
748		1006
749	sub object_freezer_save {	1007	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
751		1011
752	sync_job {	1012	sync_job {
753	if (length $$rdata) {	1013	if (length $$rdata) {
754	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
779	}	1039	}
780	} else {	1040	} else {
781	aio_unlink $filename;	1041	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
783	}	1043	}
784	}	1044	};
		1045
		1046	undef $guard;
785	}	1047	}
786		1048
787	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
789		1051
…		…
794		1056
795	sub object_thawer_load {	1057	sub object_thawer_load {
796	my ($filename) = @_;	1058	my ($filename) = @_;
797		1059
798	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
799		1063
800	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
801	or return;	1065	or return;
802		1066
803	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
805	or return;	1069	or return;
		1070
		1071	undef $guard;
806	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1073	}
808		1074
809	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
811	return ($data, $av);	1078	($data, $av)
812	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
813		1086
814	#############################################################################	1087	#############################################################################
815	# command handling &c	1088	# command handling &c
816		1089
817	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1104	}
832		1105
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1107
835	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
836		1113
837	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
838	called.	1115	called.
839		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
840	=cut	1128	=cut
841		1129
842	sub register_extcmd {	1130	sub register_extcmd {
843	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
844		1132
845	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
846	}	1140	}
847		1141
848	cf::player->attach (	1142	cf::player->attach (
849	on_command => sub {	1143	on_command => sub {
850	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1153	cf::override;
860	},	1154	},
861	on_extcmd => sub {	1155	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
863		1157
864	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1159
866	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
872	} else {	1175	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1177	}
875		1178
876	cf::override;	1179	cf::override;
877	},	1180	},
878	);	1181	);
879		1182
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
915	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1188	next unless -r $path;
917	eval {	1189
918	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
919	1	1247	}
920	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
921	}	1253	};
922	}	1254	}
923		1255
924	#############################################################################	1256	#############################################################################
925		1257
		1258	=back
		1259
926	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
927		1261
928	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
929		1263
930	=cut	1264	=cut
…		…
942	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
943		1277
944	=cut	1278	=cut
945		1279
946	sub playerdir($) {	1280	sub playerdir($) {
947	cf::localdir	1281	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1283	}
953		1284
954	sub path($) {	1285	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1287
957	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
958	}	1289	}
959		1290
960	sub find_active($) {	1291	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1306	my $login = $_[0];
976		1307
977	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
978		1309
979	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
981	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
983	}	1327	}
984	}	1328	}
985	}	1329	}
986		1330
…		…
996		1340
997	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
999		1343
1000	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1001	Coro::cede;	1345	cf::cede_to_tick;
1002	}	1346	}
1003		1347
1004	sub new($) {	1348	sub new($) {
1005	my ($login) = @_;	1349	my ($login) = @_;
1006		1350
…		…
1010	$self->{deny_save} = 1;	1354	$self->{deny_save} = 1;
1011		1355
1012	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1013		1357
1014	$self	1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
1015	}	1369	}
1016		1370
1017	=item $pl->quit_character	1371	=item $pl->quit_character
1018		1372
1019	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1069		1423
1070	=cut	1424	=cut
1071		1425
1072	sub list_logins {	1426	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1428	or return [];
1075		1429
1076	my @logins;	1430	my @logins;
1077		1431
1078	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1082		1441
1083	utf8::decode $login;	1442	utf8::decode $login;
1084	push @logins, $login;	1443	push @logins, $login;
1085	}	1444	}
1086		1445
…		…
1113	}	1472	}
1114		1473
1115	\@paths	1474	\@paths
1116	}	1475	}
1117		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1119		1529
1120	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1121		1531
1122	=cut	1532	=cut
1123		1533
1124	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1126		1536
1127	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1538	}
1131		1539
1132	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1133		1580
1134	=back	1581	=back
1135
1136		1582
1137	=head3 cf::map	1583	=head3 cf::map
1138		1584
1139	=over 4	1585	=over 4
1140		1586
…		…
1195	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1196		1642
1197	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1198	local $self->{path};	1644	local $self->{path};
1199	local $self->{load_path};	1645	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1646
1203	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1204	}	1648	}
1205		1649
1206	sub normalise {	1650	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1254	return $self;	1698	return $self;
1255	}	1699	}
1256	}	1700	}
1257		1701
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1703	()
1260	}	1704	}
1261		1705
1262	sub init {	1706	sub init {
1263	my ($self) = @_;	1707	my ($self) = @_;
…		…
1278		1722
1279	# the original (read-only) location	1723	# the original (read-only) location
1280	sub load_path {	1724	sub load_path {
1281	my ($self) = @_;	1725	my ($self) = @_;
1282		1726
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1284	}	1728	}
1285		1729
1286	# the temporary/swap location	1730	# the temporary/swap location
1287	sub save_path {	1731	sub save_path {
1288	my ($self) = @_;	1732	my ($self) = @_;
1289		1733
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1292	}	1736	}
1293		1737
1294	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1295	sub uniq_path {	1739	sub uniq_path {
1296	my ($self) = @_;	1740	my ($self) = @_;
1297		1741
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1300	}	1744	}
1301		1745
1302	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1303	# all maps in C++...	1747	# all maps in C++...
1304	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1306		1750
1307	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1309	}	1753	}
1310		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1311	sub unlink_save {	1763	sub unlink_save {
1312	my ($self) = @_;	1764	my ($self) = @_;
1313		1765
1314	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1770
1319	sub load_header_from($) {	1771	sub load_header_from($) {
1320	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1321		1773
1322	utf8::encode $path;	1774	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1328		1783
1329	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1330		1785
1331	1	1786	1
1332	}	1787	}
…		…
1371	$self->load_header_orig	1826	$self->load_header_orig
1372	or return;	1827	or return;
1373	$self->prepare_orig;	1828	$self->prepare_orig;
1374	}	1829	}
1375		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
1376	1	1837	1
1377	}	1838	}
1378		1839
1379	sub find;	1840	sub find;
1380	sub find {	1841	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1393		1854
1394	$map->load_header	1855	$map->load_header
1395	or return;	1856	or return;
1396		1857
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1861	$map->reset;
1401	undef $guard;	1862	undef $guard;
1402	return find $path;	1863	return find $path;
…		…
1413	my ($self) = @_;	1874	my ($self) = @_;
1414		1875
1415	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1416		1877
1417	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1881	my $guard = cf::lock_acquire "map_data:$path";
1419		1882
		1883	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1885
1422	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1423		1887
1424	$self->alloc;	1888	$self->alloc;
1425		1889
1426	$self->pre_load;	1890	$self->pre_load;
		1891	cf::cede_to_tick;
1427		1892
1428	$self->_load_objects ($self->{load_path}, 1)	1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1429	or return;	1896	or return;
1430		1897
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1899	if delete $self->{load_original};
1433		1900
1434	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1902	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1905	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1439	}	1909	}
1440	}	1910	}
1441		1911
1442	Coro::cede;	1912	$f->resolve_delayed_derefs;
1443		1913
		1914	cf::cede_to_tick;
1444	# now do the right thing for maps	1915	# now do the right thing for maps
1445	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1918	unless $self->difficulty;
1455	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1456	$self->activate;	1928	$self->activate;
		1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
		1934	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1935	}
1458		1936
1459	$self->post_load;	1937	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1938	}
1463		1939
1464	sub customise_for {	1940	sub customise_for {
1465	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1466		1942
1467	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1944	if $self->per_player;
1469		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1470	$self	1949	$self
1471	}	1950	}
1472		1951
1473	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1953	sub load_neighbours {
1475	my ($map) = @_;	1954	my ($map) = @_;
1476		1955
1477	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1478		1957
1479	for (0 .. 3) {	1958	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1481	or next;	1960	or next;
1482	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1483	or next;	1962	or next;
1484	$neigh->load;	1963	$neigh->load;
1485		1964
		1965	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1968	}
1489		1969
1490	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1492	or next;	1973	or next;
1493	$neigh->load;	1974	$neigh->load;
1494	}	1975	}
1495	}	1976	}
1496		1977
…		…
1501	}	1982	}
1502		1983
1503	sub do_load_sync {	1984	sub do_load_sync {
1504	my ($map) = @_;	1985	my ($map) = @_;
1505		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1506	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1507	}	1991	}
1508		1992
1509	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1511		1995
1512	sub find_async {	1996	sub find_async {
1513	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1514		1998
1515	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1516		2000
1517	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2003	}
1520		2004
1521	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1522	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2010	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2011	$map->load if $v;
		2012	}
1528		2013
1529	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1530	}	2015	}
1531	}	2016	}
1532	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1533	};	2018	};
1534	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2022	}
1538		2023
1539	sub save {	2024	sub save {
1540	my ($self) = @_;	2025	my ($self) = @_;
1541		2026
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2028
1544	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1545		2030
1546	return unless $self->dirty;	2031	return unless $self->dirty;
1547		2032
…		…
1570	my ($self) = @_;	2055	my ($self) = @_;
1571		2056
1572	# save first because save cedes	2057	# save first because save cedes
1573	$self->save;	2058	$self->save;
1574		2059
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2061
1577	return if $self->players;	2062	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2064	return if $self->{deny_save};
1580		2065
…		…
1584		2069
1585	sub reset_at {	2070	sub reset_at {
1586	my ($self) = @_;	2071	my ($self) = @_;
1587		2072
1588	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1591		2075
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2078
…		…
1605	my ($self) = @_;	2089	my ($self) = @_;
1606		2090
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2092
1609	return if $self->players;	2093	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2094
1612	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
1613		2096
1614	$self->in_memory (cf::MAP_SWAPPED);	2097	$self->in_memory (cf::MAP_SWAPPED);
1615		2098
1616	# need to save uniques path	2099	# need to save uniques path
1617	unless ($self->{deny_save}) {	2100	unless ($self->{deny_save}) {
…		…
1634	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1635		2118
1636	sub nuke {	2119	sub nuke {
1637	my ($self) = @_;	2120	my ($self) = @_;
1638		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1639	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1640		2126
1641	$self->unlink_save;	2127	$self->unlink_save;
1642		2128
1643	bless $self, "cf::map";	2129	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2134
1649	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1650		2137
1651	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1652	}	2175	}
1653		2176
1654	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1655		2178
1656	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2180	instantiated unique items. May block.
1658		2181
1659	=cut	2182	=cut
1660		2183
1661	sub unique_maps() {	2184	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1663	or return;	2186	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2187	utf8::decode $_;
1669	next if /\.pst$/;	2188	/\.map$/
1670	next unless /^$PATH_SEP/o;	2189	? normalise $_
1671		2190	: ()
1672	push @paths, cf::map::normalise $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2192	]
1674
1675	\@paths
1676	}	2193	}
1677		2194
1678	package cf;	2195	package cf;
1679		2196
1680	=back	2197	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1699	}	2216	}
1700		2217
1701	sub inv_recursive {	2218	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1703	}	2251	}
1704		2252
1705	package cf;	2253	package cf;
1706		2254
1707	=back	2255	=back
…		…
1726		2274
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2276
1729	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1731	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1734	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1735	}	2302	}
1736		2303
1737	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1738		2305
1739	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1787		2354
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2356
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1792		2359
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2361	}
1795		2362
1796	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1798		2367
1799	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1800		2369
1801	unless ($map) {	2370	unless ($map) {
1802	# restore original map position	2371	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1819		2388
1820	$map->load;	2389	$map->load;
1821	$map->load_diag;	2390	$map->load_neighbours;
1822		2391
1823	return unless $self->contr->active;	2392	return unless $self->contr->active;
1824	$self->activate_recursive;	2393	$self->activate_recursive;
1825		2394
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1828	}	2397	}
1829		2398
1830	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2400
1834	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1838	};	2405	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2406
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1865		2410
1866	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2416
1869	$self->enter_link;	2417	$self->enter_link;
1870		2418
1871	(async {	2419	(async {
1872	my $map = eval {	2420	my $map = eval {
1873	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1875	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2436	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1880	})->prio (1);	2444	})->prio (1);
1881	}	2445	}
1882		2446
1883	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1884		2448
…		…
1923		2487
1924	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1925		2489
1926	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1929		2493
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2496	undef $fh;
1933	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1942		2506
1943	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1944		2508
1945	if ($exit->slaying eq "/!") {	2509	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2513	cf::sync_job { prepare_random_map $exit };
1948	}	2514	}
1949		2515
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
1953		2519
1954	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1955		2525
1956	(async {	2526	(async {
1957	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2528	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
1960		2530
1961	1;	2531	1;
1962	}) {	2532	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2537
1968	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2539	$self->leave_link;
1970	}	2540	}
1971	})->prio (1);	2541	})->prio (1);
…		…
1987		2557
1988	utf8::encode $text;	2558	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2560	}
1991		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1992		2677
1993	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1994		2679
1995	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2683
1999	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2685	become reliable at some point in the future.
2001		2686
2002	=cut	2687	=cut
2003		2688
2004	sub cf::client::query {	2689	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2698	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2700
2016	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2018	}	2705	}
2019		2706
2020	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2021	on_reply => sub {	2713	on_reply => sub {
2022	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2023		2715
2024	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2025	# get handled first	2717	# get handled first
…		…
2037	} else {	2729	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2731	}
2040	}	2732	}
2041	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2042	);	2760	);
2043		2761
2044	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2045		2763
2046	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2089		2807
2090	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2091		2809
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2093		2815
2094	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2095		2817
2096	=pod	2818	=pod
2097		2819
2098	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2099		2821
2100	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2101	cf::object::player player	2826	cf::object::player
2102	cf::player peaceful	2827	player
2103	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2104		2834
2105	=cut	2835	=cut
2106		2836
2107	for (	2837	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2112	) {	2844	) {
2113	no strict 'refs';	2845	no strict 'refs';
…		…
2184	=back	2916	=back
2185		2917
2186	=cut	2918	=cut
2187		2919
2188	#############################################################################	2920	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2921	# the server's init and main functions
2262		2922
2263	sub load_faces {	2923	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2924	my ($path) = @_;
2265		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2931
2266	warn "loading faces from $path\n";	2932	warn "loading facedata from $path\n";
2267		2933
2268	my $faces;	2934	my $facedata;
2269	0 < aio_load $path, $faces	2935	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2936	or die "$path: $!";
2271		2937
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2938	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2939
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2940	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
		2950	{
		2951	my $faces = $facedata->{faceinfo};
		2952
2280	while (my ($face, $info) = each %$faces) {	2953	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
2287	while (my ($face, $info) = each %$faces) {	2963	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2964	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2965	my $idx = cf::face::find $face
2290	or next;	2966	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2967	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	2970	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	2972	}
2296	Coro::cede;	2973
		2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
2297	}	3036	}
2298		3037
2299	1	3038	1
2300	}	3039	}
2301		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
2302	sub reload_resources {	3083	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3084	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3085
		3086	reload_regions;
2305	load_faces	3087	reload_facedata;
2306	or die "unable to load faces\n";#d#	3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
2307	}	3093	}
2308		3094
2309	sub init {	3095	sub init {
2310	reload_resources;	3096	reload_resources;
2311	}	3097	}
2312		3098
2313	sub cfg_load {	3099	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3101	or return;
2316		3102
2317	local $/;	3103	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2319		3105
…		…
2338	(async {	3124	(async {
2339	Event::one_event;	3125	Event::one_event;
2340	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2341	};	3127	};
2342		3128
2343	cfg_load;	3129	reload_config;
2344	db_init;	3130	db_init;
2345	load_extensions;	3131	load_extensions;
2346		3132
2347	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2348	Event::loop;	3134	Event::loop;
…		…
2364	},	3150	},
2365	);	3151	);
2366	}	3152	}
2367	}	3153	}
2368		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2369	sub emergency_save() {	3193	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2371		3195
2372	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2373		3197
…		…
2404		3228
2405	warn Carp::longmess "post_cleanup backtrace"	3229	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3230	if $make_core;
2407	}	3231	}
2408		3232
2409	sub reload() {	3233	sub do_reload_perl() {
2410	# can/must only be called in main	3234	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2413	return;	3237	return;
2414	}	3238	}
…		…
2448	%EXT_CORO = ();	3272	%EXT_CORO = ();
2449		3273
2450	warn "removing commands";	3274	warn "removing commands";
2451	%COMMAND = ();	3275	%COMMAND = ();
2452		3276
2453	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2455		3280
2456	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2459		3284
…		…
2489	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3316
2492	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2494		3320
2495	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3322	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2498		3324
…		…
2501	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2502	require cf;	3328	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3330
2505	warn "loading config and database again";	3331	warn "loading config and database again";
2506	cf::cfg_load;	3332	cf::reload_config;
2507		3333
2508	warn "loading extensions";	3334	warn "loading extensions";
2509	cf::load_extensions;	3335	cf::load_extensions;
2510		3336
2511	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3341	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3342	reattach $_ for values %PLAYER;
2517		3343
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3344	warn "leaving sync_job";
2522		3345
2523	1	3346	1
2524	} or do {	3347	} or do {
2525	warn $@;	3348	warn $@;
…		…
2530	warn "reloaded";	3353	warn "reloaded";
2531	};	3354	};
2532		3355
2533	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2534		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2535	register_command "reload" => sub {	3373	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2537		3375
2538	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2540		3378	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	3379	}
2554	};	3380	};
2555		3381
2556	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2557		3383
2558	my $bug_warning = 0;	3384	my $bug_warning = 0;
2559		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2560	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3410	reentrant => 0,
2562	parked => 1,	3411	parked => 1,
2563	prio => 0,	3412	prio => 0,
2564	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2570	return;	3419	return;
2571	}	3420	}
2572		3421
2573	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2574		3423
2575	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2576	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2578		3451
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	3455	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3456	or warn "ERROR: unable to write runtime file: $!";
2584	};	3457	};
2585	}	3458	}
2586		3459
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2592		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2593	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3474
2596	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2598	},	3484	},
2599	);	3485	);
2600		3486
2601	{	3487	{
2602	BDB::max_poll_time $TICK * 0.1;	3488	BDB::max_poll_time $TICK * 0.1;
…		…
2630		3516
2631	cf::sync_job {	3517	cf::sync_job {
2632	eval {	3518	eval {
2633	BDB::db_env_open	3519	BDB::db_env_open
2634	$DB_ENV,	3520	$DB_ENV,
2635	$BDB_ENV_DIR,	3521	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3524	0666;
2639		3525
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3527
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;	3529	$DB_ENV->set_lk_detect;
2644	};	3530	};
2645		3531
…		…
2661	prio => 6,	3547	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2663	);	3549	);
2664	}	3550	}
2665		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
		3592
2666	END { cf::emergency_save }	3593	END { cf::emergency_save }
2667		3594
2668	1	3595	1
2669		3596

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