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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	133	every server tick.
122		134
123	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
135		161
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
163		196
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		204
171	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
231	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
234	returned.	275	returned.
235		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
236	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
238		286
239	=cut	287	=cut
240		288
241	our %LOCK;	289	our %LOCK;
242		290
…		…
260		308
261	Coro::guard {	309	Coro::guard {
262	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
264	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
265	}	319	}
266		320
267	sub freeze_mainloop {	321	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
269		323
…		…
272	};	326	};
273	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
274	$guard	328	$guard
275	}	329	}
276		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
277	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
278		388
279	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
284		394
285	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
286		396
287	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
288		398
289	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)
290	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
291	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.
292		403
293	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
294	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
295	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
296	fast or be very important.	407	fast or be very important.
…		…
299		410
300	sub sync_job(&) {	411	sub sync_job(&) {
301	my ($job) = @_;	412	my ($job) = @_;
302		413
303	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
304	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
306		419
307	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
319		432
320	while ($busy) {	433	while ($busy) {
321	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
322	}	435	}
323		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
324	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
325	} else {	445	} else {
326	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
327		447
328	$job->()	448	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
348		468
349	$coro	469	$coro
350	}	470	}
351		471
352	sub write_runtime {	472	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		473
355	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.
356		478
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
358	or return;
359		480
360	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		483
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
365	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
366		487
367	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	489	reset_signals;
369	and return;	490	&$cb
		491	}, @args;
370		492
371	close $fh	493	wantarray ? @res : $res[-1]
372	or return;	494	}
373		495
374	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
375	and return;
376		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	};
377	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"
378	}	610	}
379		611
380	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
381		613
382	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
402		634
403	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>
404	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
405	crossfire+).	637	Crossfire TRT).
406		638
407	=over 4	639	=over 4
408		640
409	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
410		642
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
574		806
575	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		811
580	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	813	my $pkg = shift @arg;
582		814
583	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
613	}	845	}
614		846
615	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
616	} else {	848	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	850	}
619		851
620	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
621	}	853	}
622		854
…		…
624	if (ref $_[0]) {	856	if (ref $_[0]) {
625	_object_attach @_;	857	_object_attach @_;
626	} else {	858	} else {
627	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
628	}	860	}
		861	_recalc_want;
629	};	862	};
630		863
631	# all those should be optimised	864	# all those should be optimised
632	sub cf::attachable::detach {	865	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
637	reattach ($obj);	870	reattach ($obj);
638	} else {	871	} else {
639	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
640	}	873	}
		874	_recalc_want;
641	};	875	};
642		876
643	sub cf::attachable::attached {	877	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
645		879
…		…
660	";	894	";
661	die if $@;	895	die if $@;
662	}	896	}
663		897
664	our $override;	898	our $override;
665	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?
666		900
667	sub override {	901	sub override {
668	$override = 1;	902	$override = 1;
669	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
670	}	904	}
671		905
672	sub do_invoke {	906	sub do_invoke {
673	my $event = shift;	907	my $event = shift;
674	my $callbacks = shift;	908	my $callbacks = shift;
675		909
676	@invoke_results = ();	910	@INVOKE_RESULTS = ();
677		911
678	local $override;	912	local $override;
679		913
680	for (@$callbacks) {	914	for (@$callbacks) {
681	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
698		932
699	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
700		934
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		938
705	=back	939	=back
706		940
707	=cut	941	=cut
708		942
709	#############################################################################	943	#############################################################################
710	# 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	}
711		956
712	sub reattach {	957	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	959	my ($obj) = @_;
715		960
…		…
818	or return;	1063	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1065	}
821		1066
822	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1069	return ($data, $av);
825	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
826		1077
827	#############################################################################	1078	#############################################################################
828	# command handling &c	1079	# command handling &c
829		1080
830	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1095	}
845		1096
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1098
848	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
849		1104
850	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
851	called.	1106	called.
852		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
853	=cut	1119	=cut
854		1120
855	sub register_extcmd {	1121	sub register_extcmd {
856	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
857		1123
858	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
859	}	1131	}
860		1132
861	cf::player->attach (	1133	cf::player->attach (
862	on_command => sub {	1134	on_command => sub {
863	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1144	cf::override;
873	},	1145	},
874	on_extcmd => sub {	1146	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
876		1148
877	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1150
879	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
885	} else {	1166	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1168	}
888		1169
889	cf::override;	1170	cf::override;
890	},	1171	},
891	);	1172	);
892		1173
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
928	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1179	next unless -r $path;
930	eval {	1180
931	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
932	1	1238	}
933	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
934	}	1244	};
935	}	1245	}
936		1246
937	#############################################################################	1247	#############################################################################
938		1248
		1249	=back
		1250
939	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
940		1252
941	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
942		1254
943	=cut	1255	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
956		1268
957	=cut	1269	=cut
958		1270
959	sub playerdir($) {	1271	sub playerdir($) {
960	cf::localdir	1272	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1274	}
966		1275
967	sub path($) {	1276	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1016		1325
1017	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1019		1328
1020	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1021	Coro::cede;	1330	cf::cede_to_tick;
1022	}	1331	}
1023		1332
1024	sub new($) {	1333	sub new($) {
1025	my ($login) = @_;	1334	my ($login) = @_;
1026		1335
…		…
1030	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1031		1340
1032	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1033		1342
1034	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1035	}	1354	}
1036		1355
1037	=item $pl->quit_character	1356	=item $pl->quit_character
1038		1357
1039	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1089		1408
1090	=cut	1409	=cut
1091		1410
1092	sub list_logins {	1411	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1413	or return [];
1095		1414
1096	my @logins;	1415	my @logins;
1097		1416
1098	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1133	}	1452	}
1134		1453
1135	\@paths	1454	\@paths
1136	}	1455	}
1137		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1138	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1139		1509
1140	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1141		1511
1142	=cut	1512	=cut
1143		1513
1144	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1146		1516
1147	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1518	}
1151		1519
1152	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1153		1521
1154	Sends an ext event to the client.	1522	Sends an ext event to the client.
1155		1523
1156	=cut	1524	=cut
1157		1525
1158	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1160		1528
1161	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1162	}	1530	}
1163		1531
1164	package cf;	1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1165		1560
1166	=back	1561	=back
1167
1168		1562
1169	=head3 cf::map	1563	=head3 cf::map
1170		1564
1171	=over 4	1565	=over 4
1172		1566
…		…
1227	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1228		1622
1229	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1230	local $self->{path};	1624	local $self->{path};
1231	local $self->{load_path};	1625	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1626
1235	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1236	}	1628	}
1237		1629
1238	sub normalise {	1630	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1286	return $self;	1678	return $self;
1287	}	1679	}
1288	}	1680	}
1289		1681
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1683	()
1292	}	1684	}
1293		1685
1294	sub init {	1686	sub init {
1295	my ($self) = @_;	1687	my ($self) = @_;
…		…
1310		1702
1311	# the original (read-only) location	1703	# the original (read-only) location
1312	sub load_path {	1704	sub load_path {
1313	my ($self) = @_;	1705	my ($self) = @_;
1314		1706
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1316	}	1708	}
1317		1709
1318	# the temporary/swap location	1710	# the temporary/swap location
1319	sub save_path {	1711	sub save_path {
1320	my ($self) = @_;	1712	my ($self) = @_;
1321		1713
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1324	}	1716	}
1325		1717
1326	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1327	sub uniq_path {	1719	sub uniq_path {
1328	my ($self) = @_;	1720	my ($self) = @_;
1329		1721
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1332	}	1724	}
1333		1725
1334	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1335	# all maps in C++...	1727	# all maps in C++...
1336	sub change_all_map_light {	1728	sub change_all_map_light {
1337	my ($change) = @_;	1729	my ($change) = @_;
1338		1730
1339	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1341	}	1741	}
1342		1742
1343	sub unlink_save {	1743	sub unlink_save {
1344	my ($self) = @_;	1744	my ($self) = @_;
1345		1745
…		…
1403	$self->load_header_orig	1803	$self->load_header_orig
1404	or return;	1804	or return;
1405	$self->prepare_orig;	1805	$self->prepare_orig;
1406	}	1806	}
1407		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1408	1	1814	1
1409	}	1815	}
1410		1816
1411	sub find;	1817	sub find;
1412	sub find {	1818	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1425		1831
1426	$map->load_header	1832	$map->load_header
1427	or return;	1833	or return;
1428		1834
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1838	$map->reset;
1433	undef $guard;	1839	undef $guard;
1434	return find $path;	1840	return find $path;
…		…
1445	my ($self) = @_;	1851	my ($self) = @_;
1446		1852
1447	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1448		1854
1449	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1450	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1451		1860
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1862
1454	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1455		1864
1456	$self->alloc;	1865	$self->alloc;
1457		1866
1458	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1459		1869
1460	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1461	or return;	1871	or return;
1462		1872
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1874	if delete $self->{load_original};
1465		1875
1466	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1877	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1469	$self->clear_unique_items;	1879	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1471	}	1881	}
1472	}	1882	}
1473		1883
1474	Coro::cede;	1884	cf::cede_to_tick;
1475
1476	# now do the right thing for maps	1885	# now do the right thing for maps
1477	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1888	unless $self->difficulty;
1487	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1488	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1905	}
1490		1906
1491	$self->post_load;	1907	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1908	}
1495		1909
1496	sub customise_for {	1910	sub customise_for {
1497	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1498		1912
1499	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1914	if $self->per_player;
1501		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1502	$self	1919	$self
1503	}	1920	}
1504		1921
1505	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1923	sub load_neighbours {
1507	my ($map) = @_;	1924	my ($map) = @_;
1508		1925
1509	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1510		1927
1511	for (0 .. 3) {	1928	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1513	or next;	1930	or next;
1514	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1515	or next;	1932	or next;
1516	$neigh->load;	1933	$neigh->load;
1517		1934
		1935	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1938	}
1521		1939
1522	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1524	or next;	1943	or next;
1525	$neigh->load;	1944	$neigh->load;
1526	}	1945	}
1527	}	1946	}
1528		1947
…		…
1533	}	1952	}
1534		1953
1535	sub do_load_sync {	1954	sub do_load_sync {
1536	my ($map) = @_;	1955	my ($map) = @_;
1537		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1538	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1539	}	1961	}
1540		1962
1541	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1543		1965
1544	sub find_async {	1966	sub find_async {
1545	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1546		1968
1547	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1548		1970
1549	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	1973	}
1552		1974
1553	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1554	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	1980	if (my $map = find $k) {
1558	or next;
1559	$map->load;	1981	$map->load if $v;
		1982	}
1560		1983
1561	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1562	}	1985	}
1563	}	1986	}
1564	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1565	};	1988	};
1566	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1569	}	1992	}
1570		1993
1571	sub save {	1994	sub save {
1572	my ($self) = @_;	1995	my ($self) = @_;
1573		1996
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		1998
1576	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1577		2000
1578	return unless $self->dirty;	2001	return unless $self->dirty;
1579		2002
…		…
1602	my ($self) = @_;	2025	my ($self) = @_;
1603		2026
1604	# save first because save cedes	2027	# save first because save cedes
1605	$self->save;	2028	$self->save;
1606		2029
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2031
1609	return if $self->players;	2032	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2034	return if $self->{deny_save};
1612		2035
…		…
1616		2039
1617	sub reset_at {	2040	sub reset_at {
1618	my ($self) = @_;	2041	my ($self) = @_;
1619		2042
1620	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1623		2045
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2048
…		…
1637	my ($self) = @_;	2059	my ($self) = @_;
1638		2060
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2062
1641	return if $self->players;	2063	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2064
1644	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1645		2066
1646	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1647		2068
1648	# need to save uniques path	2069	# need to save uniques path
1649	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1666	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1667		2088
1668	sub nuke {	2089	sub nuke {
1669	my ($self) = @_;	2090	my ($self) = @_;
1670		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1671	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1672		2096
1673	$self->unlink_save;	2097	$self->unlink_save;
1674		2098
1675	bless $self, "cf::map";	2099	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2104
1681	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1682		2107
1683	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1684	}	2145	}
1685		2146
1686	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1687		2148
1688	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2150	instantiated unique items. May block.
1690		2151
1691	=cut	2152	=cut
1692		2153
1693	sub unique_maps() {	2154	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1695	or return;	2156	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2157	utf8::decode $_;
1701	next if /\.pst$/;	2158	/\.map$/
1702	next unless /^$PATH_SEP/o;	2159	? normalise $_
1703		2160	: ()
1704	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2162	]
1706
1707	\@paths
1708	}	2163	}
1709		2164
1710	package cf;	2165	package cf;
1711		2166
1712	=back	2167	=back
…		…
1758		2213
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2215
1761	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1763	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1766	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1767	}	2241	}
1768		2242
1769	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1770		2244
1771	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1819		2293
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2295
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1824		2298
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2300	}
1827		2301
1828	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1830		2306
1831	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1832		2308
1833	unless ($map) {	2309	unless ($map) {
1834	# restore original map position	2310	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1851		2327
1852	$map->load;	2328	$map->load;
1853	$map->load_diag;	2329	$map->load_neighbours;
1854		2330
1855	return unless $self->contr->active;	2331	return unless $self->contr->active;
1856	$self->activate_recursive;	2332	$self->activate_recursive;
1857		2333
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1860	}	2336	}
1861		2337
1862	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2339
1866	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1870	};	2344	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2345
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1897		2349
1898	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2355
1901	$self->enter_link;	2356	$self->enter_link;
1902		2357
1903	(async {	2358	(async {
1904	my $map = eval {	2359	my $map = eval {
1905	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1907	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2375	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1912	})->prio (1);	2383	})->prio (1);
1913	}	2384	}
1914		2385
1915	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1916		2387
…		…
1955		2426
1956	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1957		2428
1958	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1961		2432
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2435	undef $fh;
1965	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
1987		2458
1988	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1989		2464
1990	(async {	2465	(async {
1991	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2467	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
…		…
2021		2496
2022	utf8::encode $text;	2497	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2499	}
2025		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
2026	=item $client->ext_event ($type, %msg)	2582	=item $client->ext_msg ($type, @msg)
2027		2583
2028	Sends an exti event to the client.	2584	Sends an ext event to the client.
2029		2585
2030	=cut	2586	=cut
2031		2587
2032	sub cf::client::ext_event($$%) {	2588	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2589	my ($self, $type, @msg) = @_;
2034		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2594	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
2037	}	2615	}
2038		2616
2039	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
2040		2618
2041	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2622
2045	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2624	become reliable at some point in the future.
2047		2625
2048	=cut	2626	=cut
2049		2627
2050	sub cf::client::query {	2628	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2637	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2639
2062	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
2064	}	2644	}
2065		2645
2066	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
2067	on_reply => sub {	2652	on_reply => sub {
2068	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
2069		2654
2070	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
2071	# get handled first	2656	# get handled first
…		…
2083	} else {	2668	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2670	}
2086	}	2671	}
2087	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
2088	);	2699	);
2089		2700
2090	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
2091		2702
2092	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2135		2746
2136	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2137		2748
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2139		2754
2140	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2141		2756
2142	=pod	2757	=pod
2143		2758
2144	The following functions and methods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2145		2760
2146	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2147	cf::object::player player	2765	cf::object::player
2148	cf::player peaceful	2766	player
2149	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2150		2773
2151	=cut	2774	=cut
2152		2775
2153	for (	2776	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2158	) {	2783	) {
2159	no strict 'refs';	2784	no strict 'refs';
…		…
2230	=back	2855	=back
2231		2856
2232	=cut	2857	=cut
2233		2858
2234	#############################################################################	2859	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2860	# the server's init and main functions
2308		2861
2309	sub load_facedata {	2862	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2863	my ($path) = @_;
		2864
		2865	# HACK to clear player env face cache, we need some signal framework
		2866	# for this (global event?)
		2867	%ext::player_env::MUSIC_FACE_CACHE = ();
		2868
		2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		2870
2312	warn "loading facedata from $path\n";	2871	warn "loading facedata from $path\n";
2313		2872
2314	my $facedata;	2873	my $facedata;
2315	0 < aio_load $path, $facedata	2874	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2877	$facedata = Coro::Storable::thaw $facedata;
2319		2878
2320	$facedata->{version} == 2	2879	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2881
		2882	# patch in the exptable
		2883	$facedata->{resource}{"res/exp_table"} = {
		2884	type => FT_RSRC,
		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2886	};
		2887	cf::cede_to_tick;
		2888
2323	{	2889	{
2324	my $faces = $facedata->{faceinfo};	2890	my $faces = $facedata->{faceinfo};
2325		2891
2326	while (my ($face, $info) = each %$faces) {	2892	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2898
		2899	cf::cede_to_tick;
2332	}	2900	}
2333		2901
2334	while (my ($face, $info) = each %$faces) {	2902	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2903	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2904	my $idx = cf::face::find $face
2337	or next;	2905	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2909	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2911	}
2343	Coro::cede;	2912
		2913	cf::cede_to_tick;
2344	}	2914	}
2345	}	2915	}
2346		2916
2347	{	2917	{
2348	my $anims = $facedata->{animinfo};	2918	my $anims = $facedata->{animinfo};
2349		2919
2350	while (my ($anim, $info) = each %$anims) {	2920	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2922	cf::cede_to_tick;
2353	}	2923	}
2354		2924
2355	cf::anim::invalidate_all; # d'oh	2925	cf::anim::invalidate_all; # d'oh
2356	}	2926	}
2357		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
2358	1	2977	1
2359	}	2978	}
2360		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
2361	sub reload_resources {	3022	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3023	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3024
		3025	reload_regions;
2364	load_facedata	3026	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
2366	}	3032	}
2367		3033
2368	sub init {	3034	sub init {
2369	reload_resources;	3035	reload_resources;
2370	}	3036	}
2371		3037
2372	sub cfg_load {	3038	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3040	or return;
2375		3041
2376	local $/;	3042	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2378		3044
…		…
2397	(async {	3063	(async {
2398	Event::one_event;	3064	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2400	};	3066	};
2401		3067
2402	cfg_load;	3068	reload_config;
2403	db_init;	3069	db_init;
2404	load_extensions;	3070	load_extensions;
2405		3071
2406	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2407	Event::loop;	3073	Event::loop;
…		…
2423	},	3089	},
2424	);	3090	);
2425	}	3091	}
2426	}	3092	}
2427		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2428	sub emergency_save() {	3132	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2430		3134
2431	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2432		3136
…		…
2463		3167
2464	warn Carp::longmess "post_cleanup backtrace"	3168	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3169	if $make_core;
2466	}	3170	}
2467		3171
2468	sub reload() {	3172	sub do_reload_perl() {
2469	# can/must only be called in main	3173	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3175	warn "can only reload from main coroutine";
2472	return;	3176	return;
2473	}	3177	}
…		…
2507	%EXT_CORO = ();	3211	%EXT_CORO = ();
2508		3212
2509	warn "removing commands";	3213	warn "removing commands";
2510	%COMMAND = ();	3214	%COMMAND = ();
2511		3215
2512	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2514		3219
2515	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2518		3223
…		…
2548	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3255
2551	warn "unloading cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2553		3259
2554	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3261	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2557		3263
…		…
2560	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2561	require cf;	3267	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3269
2564	warn "loading config and database again";	3270	warn "loading config and database again";
2565	cf::cfg_load;	3271	cf::reload_config;
2566		3272
2567	warn "loading extensions";	3273	warn "loading extensions";
2568	cf::load_extensions;	3274	cf::load_extensions;
2569		3275
2570	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3278	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3280	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3281	reattach $_ for values %PLAYER;
2576		3282
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3283	warn "leaving sync_job";
2581		3284
2582	1	3285	1
2583	} or do {	3286	} or do {
2584	warn $@;	3287	warn $@;
…		…
2589	warn "reloaded";	3292	warn "reloaded";
2590	};	3293	};
2591		3294
2592	our $RELOAD_WATCHER; # used only during reload	3295	our $RELOAD_WATCHER; # used only during reload
2593		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2594	register_command "reload" => sub {	3312	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2596		3314
2597	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3316	$who->message ("reloading server.");
2599		3317	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3318	}
2613	};	3319	};
2614		3320
2615	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2616		3322
2617	my $bug_warning = 0;	3323	my $bug_warning = 0;
2618		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3349	reentrant => 0,
2621	parked => 1,	3350	parked => 1,
2622	prio => 0,	3351	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3357	unless ++$bug_warning > 10;
2629	return;	3358	return;
2630	}	3359	}
2631		3360
2632	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2633		3362
2634	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2635	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2637		3390
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3394	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3395	or warn "ERROR: unable to write runtime file: $!";
2643	};	3396	};
2644	}	3397	}
2645		3398
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3399	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3400	# warn $AFTER - $NOW;#d#
2651		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
		3410
2652	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3413
2655	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2657	},	3423	},
2658	);	3424	);
2659		3425
2660	{	3426	{
2661	BDB::max_poll_time $TICK * 0.1;	3427	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3455
2690	cf::sync_job {	3456	cf::sync_job {
2691	eval {	3457	eval {
2692	BDB::db_env_open	3458	BDB::db_env_open
2693	$DB_ENV,	3459	$DB_ENV,
2694	$BDB_ENV_DIR,	3460	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3463	0666;
2698		3464
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3466
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3468	$DB_ENV->set_lk_detect;
2703	};	3469	};
2704		3470
…		…
2720	prio => 6,	3486	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3487	cb => \&IO::AIO::poll_cb,
2722	);	3488	);
2723	}	3489	}
2724		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
		3531
2725	END { cf::emergency_save }	3532	END { cf::emergency_save }
2726		3533
2727	1	3534	1
2728		3535

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