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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.355 by root, Sun Sep 2 12:45:44 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;
…		…
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our %PLAYER; # all users
74	our %MAP; # all maps	93	our %MAP; # 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"
376	}	610	}
377		611
378	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
379		613
380	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.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
400		634
401	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>
402	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
403	crossfire+).	637	Crossfire TRT).
404		638
405	=over 4	639	=over 4
406		640
407	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
408		642
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
572		806
573	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		811
578	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	813	my $pkg = shift @arg;
580		814
581	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
611	}	845	}
612		846
613	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
614	} else {	848	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	850	}
617		851
618	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
619	}	853	}
620		854
…		…
622	if (ref $_[0]) {	856	if (ref $_[0]) {
623	_object_attach @_;	857	_object_attach @_;
624	} else {	858	} else {
625	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
626	}	860	}
		861	_recalc_want;
627	};	862	};
628		863
629	# all those should be optimised	864	# all those should be optimised
630	sub cf::attachable::detach {	865	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
635	reattach ($obj);	870	reattach ($obj);
636	} else {	871	} else {
637	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
638	}	873	}
		874	_recalc_want;
639	};	875	};
640		876
641	sub cf::attachable::attached {	877	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
643		879
…		…
658	";	894	";
659	die if $@;	895	die if $@;
660	}	896	}
661		897
662	our $override;	898	our $override;
663	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?
664		900
665	sub override {	901	sub override {
666	$override = 1;	902	$override = 1;
667	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
668	}	904	}
669		905
670	sub do_invoke {	906	sub do_invoke {
671	my $event = shift;	907	my $event = shift;
672	my $callbacks = shift;	908	my $callbacks = shift;
673		909
674	@invoke_results = ();	910	@INVOKE_RESULTS = ();
675		911
676	local $override;	912	local $override;
677		913
678	for (@$callbacks) {	914	for (@$callbacks) {
679	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
696		932
697	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
698		934
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		938
703	=back	939	=back
704		940
705	=cut	941	=cut
706		942
707	#############################################################################	943	#############################################################################
708	# 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	}
709		956
710	sub reattach {	957	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	959	my ($obj) = @_;
713		960
…		…
816	or return;	1063	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1065	}
819		1066
820	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1069	return ($data, $av);
823	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
824		1077
825	#############################################################################	1078	#############################################################################
826	# command handling &c	1079	# command handling &c
827		1080
828	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1095	}
843		1096
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1098
846	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.
847		1104
848	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
849	called.	1106	called.
850		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
851	=cut	1119	=cut
852		1120
853	sub register_extcmd {	1121	sub register_extcmd {
854	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
855		1123
856	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
857	}	1131	}
858		1132
859	cf::player->attach (	1133	cf::player->attach (
860	on_command => sub {	1134	on_command => sub {
861	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1144	cf::override;
871	},	1145	},
872	on_extcmd => sub {	1146	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
874		1148
875	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1150
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
883	} else {	1166	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1168	}
886		1169
887	cf::override;	1170	cf::override;
888	},	1171	},
889	);	1172	);
890		1173
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
926	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1179	next unless -r $path;
928	eval {	1180
929	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;
930	1	1238	}
931	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
932	}	1244	};
933	}	1245	}
934		1246
935	#############################################################################	1247	#############################################################################
936		1248
		1249	=back
		1250
937	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
938		1252
939	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
940		1254
941	=cut	1255	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
954		1268
955	=cut	1269	=cut
956		1270
957	sub playerdir($) {	1271	sub playerdir($) {
958	cf::localdir	1272	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1274	}
964		1275
965	sub path($) {	1276	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1014		1325
1015	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1017		1328
1018	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1019	Coro::cede;	1330	cf::cede_to_tick;
1020	}	1331	}
1021		1332
1022	sub new($) {	1333	sub new($) {
1023	my ($login) = @_;	1334	my ($login) = @_;
1024		1335
…		…
1028	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1029		1340
1030	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1031		1342
1032	$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 (@_);
1033	}	1354	}
1034		1355
1035	=item $pl->quit_character	1356	=item $pl->quit_character
1036		1357
1037	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
…		…
1086	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1087		1408
1088	=cut	1409	=cut
1089		1410
1090	sub list_logins {	1411	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1413	or return [];
1093		1414
1094	my @logins;	1415	my @logins;
1095		1416
1096	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1100		1426
1101	utf8::decode $login;	1427	utf8::decode $login;
1102	push @logins, $login;	1428	push @logins, $login;
1103	}	1429	}
1104		1430
…		…
1131	}	1457	}
1132		1458
1133	\@paths	1459	\@paths
1134	}	1460	}
1135		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1136	=item $player->ext_reply ($msgid, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1137		1514
1138	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1139		1516
1140	=cut	1517	=cut
1141		1518
1142	sub ext_reply($$%) {	1519	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1144		1521
1145	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1523	}
1149		1524
1150	=item $player->ext_event ($type, %msg)	1525	=item $player->ext_msg ($type, @msg)
1151		1526
1152	Sends an ext event to the client.	1527	Sends an ext event to the client.
1153		1528
1154	=cut	1529	=cut
1155		1530
1156	sub ext_event($$%) {	1531	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1532	my ($self, $type, @msg) = @_;
1158		1533
1159	$self->ns->ext_event ($type, %msg);	1534	$self->ns->ext_msg ($type, @msg);
1160	}	1535	}
1161		1536
1162	package cf;	1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1163		1565
1164	=back	1566	=back
1165
1166		1567
1167	=head3 cf::map	1568	=head3 cf::map
1168		1569
1169	=over 4	1570	=over 4
1170		1571
…		…
1225	my ($self, $merge) = @_;	1626	my ($self, $merge) = @_;
1226		1627
1227	# we have to keep some variables in memory intact	1628	# we have to keep some variables in memory intact
1228	local $self->{path};	1629	local $self->{path};
1229	local $self->{load_path};	1630	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1631
1233	$self->SUPER::thawer_merge ($merge);	1632	$self->SUPER::thawer_merge ($merge);
1234	}	1633	}
1235		1634
1236	sub normalise {	1635	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1284	return $self;	1683	return $self;
1285	}	1684	}
1286	}	1685	}
1287		1686
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1688	()
1290	}	1689	}
1291		1690
1292	sub init {	1691	sub init {
1293	my ($self) = @_;	1692	my ($self) = @_;
…		…
1308		1707
1309	# the original (read-only) location	1708	# the original (read-only) location
1310	sub load_path {	1709	sub load_path {
1311	my ($self) = @_;	1710	my ($self) = @_;
1312		1711
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1314	}	1713	}
1315		1714
1316	# the temporary/swap location	1715	# the temporary/swap location
1317	sub save_path {	1716	sub save_path {
1318	my ($self) = @_;	1717	my ($self) = @_;
1319		1718
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1720	"$TMPDIR/$path.map"
1322	}	1721	}
1323		1722
1324	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1325	sub uniq_path {	1724	sub uniq_path {
1326	my ($self) = @_;	1725	my ($self) = @_;
1327		1726
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1728	"$UNIQUEDIR/$path"
1330	}	1729	}
1331		1730
1332	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1333	# all maps in C++...	1732	# all maps in C++...
1334	sub change_all_map_light {	1733	sub change_all_map_light {
1335	my ($change) = @_;	1734	my ($change) = @_;
1336		1735
1337	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
		1738	}
		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
1339	}	1746	}
1340		1747
1341	sub unlink_save {	1748	sub unlink_save {
1342	my ($self) = @_;	1749	my ($self) = @_;
1343		1750
…		…
1401	$self->load_header_orig	1808	$self->load_header_orig
1402	or return;	1809	or return;
1403	$self->prepare_orig;	1810	$self->prepare_orig;
1404	}	1811	}
1405		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
		1816	$self->default_region (cf::region::find_by_path $self->{path})
		1817	unless $self->default_region;
		1818
1406	1	1819	1
1407	}	1820	}
1408		1821
1409	sub find;	1822	sub find;
1410	sub find {	1823	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1423		1836
1424	$map->load_header	1837	$map->load_header
1425	or return;	1838	or return;
1426		1839
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1841	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1842	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1843	$map->reset;
1431	undef $guard;	1844	undef $guard;
1432	return find $path;	1845	return find $path;
…		…
1443	my ($self) = @_;	1856	my ($self) = @_;
1444		1857
1445	local $self->{deny_reset} = 1; # loading can take a long time	1858	local $self->{deny_reset} = 1; # loading can take a long time
1446		1859
1447	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1448	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1449		1865
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1867
1452	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1453		1869
1454	$self->alloc;	1870	$self->alloc;
1455		1871
1456	$self->pre_load;	1872	$self->pre_load;
		1873	cf::cede_to_tick;
1457		1874
1458	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1459	or return;	1876	or return;
1460		1877
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	1879	if delete $self->{load_original};
1463		1880
1464	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	1882	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1467	$self->clear_unique_items;	1884	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1469	}	1886	}
1470	}	1887	}
1471		1888
1472	Coro::cede;	1889	cf::cede_to_tick;
1473
1474	# now do the right thing for maps	1890	# now do the right thing for maps
1475	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1893	unless $self->difficulty;
1485	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1486	$self->activate;	1903	$self->activate;
		1904	}
		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1910	}
1488		1911
1489	$self->post_load;	1912	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1913	}
1493		1914
1494	sub customise_for {	1915	sub customise_for {
1495	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1496		1917
1497	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1919	if $self->per_player;
1499		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1500	$self	1924	$self
1501	}	1925	}
1502		1926
1503	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	1928	sub load_neighbours {
1505	my ($map) = @_;	1929	my ($map) = @_;
1506		1930
1507	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1508		1932
1509	for (0 .. 3) {	1933	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1511	or next;	1935	or next;
1512	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1513	or next;	1937	or next;
1514	$neigh->load;	1938	$neigh->load;
1515		1939
		1940	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	1943	}
1519		1944
1520	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1522	or next;	1948	or next;
1523	$neigh->load;	1949	$neigh->load;
1524	}	1950	}
1525	}	1951	}
1526		1952
…		…
1531	}	1957	}
1532		1958
1533	sub do_load_sync {	1959	sub do_load_sync {
1534	my ($map) = @_;	1960	my ($map) = @_;
1535		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1536	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1537	}	1966	}
1538		1967
1539	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	1969	our $MAP_PREFETCHER = undef;
1541		1970
1542	sub find_async {	1971	sub find_async {
1543	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1544		1973
1545	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1546		1975
1547	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549	}	1978	}
1550		1979
1551	undef $MAP_PREFETCH{$path};	1980	$MAP_PREFETCH{$path} |= $load;
		1981
1552	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1984	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	1985	if (my $map = find $k) {
1556	or next;
1557	$map->load;	1986	$map->load if $v;
		1987	}
1558		1988
1559	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$k};
1560	}	1990	}
1561	}	1991	}
1562	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
1563	};	1993	};
1564	$MAP_PREFETCHER->prio (6);	1994	$MAP_PREFETCHER->prio (6);
…		…
1567	}	1997	}
1568		1998
1569	sub save {	1999	sub save {
1570	my ($self) = @_;	2000	my ($self) = @_;
1571		2001
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2003
1574	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1575		2005
1576	return unless $self->dirty;	2006	return unless $self->dirty;
1577		2007
…		…
1600	my ($self) = @_;	2030	my ($self) = @_;
1601		2031
1602	# save first because save cedes	2032	# save first because save cedes
1603	$self->save;	2033	$self->save;
1604		2034
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2036
1607	return if $self->players;	2037	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};	2039	return if $self->{deny_save};
1610		2040
…		…
1614		2044
1615	sub reset_at {	2045	sub reset_at {
1616	my ($self) = @_;	2046	my ($self) = @_;
1617		2047
1618	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1621		2050
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2053
…		…
1635	my ($self) = @_;	2064	my ($self) = @_;
1636		2065
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2067
1639	return if $self->players;	2068	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2069
1642	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1643		2071
1644	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1645		2073
1646	# need to save uniques path	2074	# need to save uniques path
1647	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1664	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1665		2093
1666	sub nuke {	2094	sub nuke {
1667	my ($self) = @_;	2095	my ($self) = @_;
1668		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
1669	delete $cf::MAP{$self->path};	2100	delete $cf::MAP{$self->path};
1670		2101
1671	$self->unlink_save;	2102	$self->unlink_save;
1672		2103
1673	bless $self, "cf::map";	2104	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2105	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2109
1679	$cf::MAP{$self->path} = $self;	2110	$cf::MAP{$self->path} = $self;
		2111	}
1680		2112
1681	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1682	}	2150	}
1683		2151
1684	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1685		2153
1686	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2155	instantiated unique items. May block.
1688		2156
1689	=cut	2157	=cut
1690		2158
1691	sub unique_maps() {	2159	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1693	or return;	2161	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2162	utf8::decode $_;
1699	next if /\.pst$/;	2163	/\.map$/
1700	next unless /^$PATH_SEP/o;	2164	? normalise $_
1701		2165	: ()
1702	push @paths, cf::map::normalise $_;	2166	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2167	]
1704
1705	\@paths
1706	}	2168	}
1707		2169
1708	package cf;	2170	package cf;
1709		2171
1710	=back	2172	=back
…		…
1756		2218
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2220
1759	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1761	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1764	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1765	}	2246	}
1766		2247
1767	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1768		2249
1769	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1817		2298
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2300
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1822		2303
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2305	}
1825		2306
1826	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1828		2311
1829	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1830		2313
1831	unless ($map) {	2314	unless ($map) {
1832	# restore original map position	2315	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1849		2332
1850	$map->load;	2333	$map->load;
1851	$map->load_diag;	2334	$map->load_neighbours;
1852		2335
1853	return unless $self->contr->active;	2336	return unless $self->contr->active;
1854	$self->activate_recursive;	2337	$self->activate_recursive;
1855		2338
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1858	}	2341	}
1859		2342
1860	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2344
1864	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1868	};	2349	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2350
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1895		2354
1896	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2360
1899	$self->enter_link;	2361	$self->enter_link;
1900		2362
1901	(async {	2363	(async {
1902	my $map = eval {	2364	my $map = eval {
1903	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1905	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2380	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1910	})->prio (1);	2388	})->prio (1);
1911	}	2389	}
1912		2390
1913	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1914		2392
…		…
1953		2431
1954	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1955		2433
1956	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1959		2437
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2440	undef $fh;
1963	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1985		2463
1986	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1987		2469
1988	(async {	2470	(async {
1989	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2472	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
…		…
2019		2501
2020	utf8::encode $text;	2502	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2504	}
2023		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
2024	=item $client->ext_event ($type, %msg)	2587	=item $client->ext_msg ($type, @msg)
2025		2588
2026	Sends an exti event to the client.	2589	Sends an ext event to the client.
2027		2590
2028	=cut	2591	=cut
2029		2592
2030	sub cf::client::ext_event($$%) {	2593	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2594	my ($self, $type, @msg) = @_;
2032		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2599	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
2035	}	2620	}
2036		2621
2037	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
2038		2623
2039	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2627
2043	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2629	become reliable at some point in the future.
2045		2630
2046	=cut	2631	=cut
2047		2632
2048	sub cf::client::query {	2633	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2642	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2644
2060	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
2062	}	2649	}
2063		2650
2064	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
2065	on_reply => sub {	2657	on_reply => sub {
2066	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
2067		2659
2068	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
2069	# get handled first	2661	# get handled first
…		…
2081	} else {	2673	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2675	}
2084	}	2676	}
2085	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
2086	);	2704	);
2087		2705
2088	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
2089		2707
2090	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2133		2751
2134	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2135		2753
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2137		2759
2138	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2139		2761
2140	=pod	2762	=pod
2141		2763
2142	The following functions and methods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2143		2765
2144	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2145	cf::object::player player	2770	cf::object::player
2146	cf::player peaceful	2771	player
2147	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2148		2778
2149	=cut	2779	=cut
2150		2780
2151	for (	2781	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2153	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2156	) {	2788	) {
2157	no strict 'refs';	2789	no strict 'refs';
…		…
2228	=back	2860	=back
2229		2861
2230	=cut	2862	=cut
2231		2863
2232	#############################################################################	2864	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2865	# the server's init and main functions
2306		2866
2307	sub load_facedata {	2867	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2868	my ($path) = @_;
		2869
		2870	# HACK to clear player env face cache, we need some signal framework
		2871	# for this (global event?)
		2872	%ext::player_env::MUSIC_FACE_CACHE = ();
		2873
		2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		2875
2310	warn "loading facedata from $path\n";	2876	warn "loading facedata from $path\n";
2311		2877
2312	my $facedata;	2878	my $facedata;
2313	0 < aio_load $path, $facedata	2879	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2880	or die "$path: $!";
2315		2881
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	2882	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2883
2320	$facedata->{version} == 2	2884	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2886
		2887	# patch in the exptable
		2888	$facedata->{resource}{"res/exp_table"} = {
		2889	type => FT_RSRC,
		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2891	};
		2892	cf::cede_to_tick;
		2893
2323	{	2894	{
2324	my $faces = $facedata->{faceinfo};	2895	my $faces = $facedata->{faceinfo};
2325		2896
2326	while (my ($face, $info) = each %$faces) {	2897	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2899	cf::face::set_visibility $idx, $info->{visibility};
		2900	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2903
		2904	cf::cede_to_tick;
2332	}	2905	}
2333		2906
2334	while (my ($face, $info) = each %$faces) {	2907	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2908	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2909	my $idx = cf::face::find $face
2337	or next;	2910	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2914	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2916	}
2343	Coro::cede;	2917
		2918	cf::cede_to_tick;
2344	}	2919	}
2345	}	2920	}
2346		2921
2347	{	2922	{
2348	my $anims = $facedata->{animinfo};	2923	my $anims = $facedata->{animinfo};
2349		2924
2350	while (my ($anim, $info) = each %$anims) {	2925	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2927	cf::cede_to_tick;
2353	}	2928	}
2354		2929
2355	cf::anim::invalidate_all; # d'oh	2930	cf::anim::invalidate_all; # d'oh
2356	}	2931	}
2357		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
2358	1	2982	1
2359	}	2983	}
2360		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
2361	sub reload_resources {	3027	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3028	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3029
		3030	reload_regions;
2364	load_facedata	3031	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
2366	}	3037	}
2367		3038
2368	sub init {	3039	sub init {
2369	reload_resources;	3040	reload_resources;
2370	}	3041	}
2371		3042
2372	sub cfg_load {	3043	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3045	or return;
2375		3046
2376	local $/;	3047	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2378		3049
…		…
2397	(async {	3068	(async {
2398	Event::one_event;	3069	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3070	})->prio (Coro::PRIO_MAX);
2400	};	3071	};
2401		3072
2402	cfg_load;	3073	reload_config;
2403	db_init;	3074	db_init;
2404	load_extensions;	3075	load_extensions;
2405		3076
2406	$TICK_WATCHER->start;	3077	$TICK_WATCHER->start;
2407	Event::loop;	3078	Event::loop;
…		…
2423	},	3094	},
2424	);	3095	);
2425	}	3096	}
2426	}	3097	}
2427		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
2428	sub emergency_save() {	3137	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2430		3139
2431	warn "enter emergency perl save\n";	3140	warn "enter emergency perl save\n";
2432		3141
…		…
2463		3172
2464	warn Carp::longmess "post_cleanup backtrace"	3173	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3174	if $make_core;
2466	}	3175	}
2467		3176
2468	sub reload() {	3177	sub do_reload_perl() {
2469	# can/must only be called in main	3178	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3180	warn "can only reload from main coroutine";
2472	return;	3181	return;
2473	}	3182	}
…		…
2507	%EXT_CORO = ();	3216	%EXT_CORO = ();
2508		3217
2509	warn "removing commands";	3218	warn "removing commands";
2510	%COMMAND = ();	3219	%COMMAND = ();
2511		3220
2512	warn "removing ext commands";	3221	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2514		3224
2515	warn "unloading/nuking all extensions";	3225	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2518		3228
…		…
2548	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3260
2551	warn "unloading cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2553		3264
2554	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3266	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2557		3268
…		…
2560	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2561	require cf;	3272	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3274
2564	warn "loading config and database again";	3275	warn "loading config and database again";
2565	cf::cfg_load;	3276	cf::reload_config;
2566		3277
2567	warn "loading extensions";	3278	warn "loading extensions";
2568	cf::load_extensions;	3279	cf::load_extensions;
2569		3280
2570	warn "reattaching attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3283	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3285	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3286	reattach $_ for values %PLAYER;
2576		3287
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3288	warn "leaving sync_job";
2581		3289
2582	1	3290	1
2583	} or do {	3291	} or do {
2584	warn $@;	3292	warn $@;
…		…
2589	warn "reloaded";	3297	warn "reloaded";
2590	};	3298	};
2591		3299
2592	our $RELOAD_WATCHER; # used only during reload	3300	our $RELOAD_WATCHER; # used only during reload
2593		3301
		3302	sub reload_perl() {
		3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
		3305
		3306	$RELOAD_WATCHER ||= Event->timer (
		3307	reentrant => 0,
		3308	after => 0,
		3309	data => WF_AUTOCANCEL,
		3310	cb => sub {
		3311	do_reload_perl;
		3312	undef $RELOAD_WATCHER;
		3313	},
		3314	);
		3315	}
		3316
2594	register_command "reload" => sub {	3317	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2596		3319
2597	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3321	$who->message ("reloading server.");
2599		3322	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	}	3323	}
2613	};	3324	};
2614		3325
2615	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2616		3327
2617	my $bug_warning = 0;	3328	my $bug_warning = 0;
2618		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3354	reentrant => 0,
2621	parked => 1,	3355	parked => 1,
2622	prio => 0,	3356	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3362	unless ++$bug_warning > 10;
2629	return;	3363	return;
2630	}	3364	}
2631		3365
2632	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2633		3367
2634	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2635	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2637		3395
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3399	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3400	or warn "ERROR: unable to write runtime file: $!";
2643	};	3401	};
2644	}	3402	}
2645		3403
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3404	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3405	# warn $AFTER - $NOW;#d#
2651		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
		3415
2652	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3418
2655	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2657	},	3428	},
2658	);	3429	);
2659		3430
2660	{	3431	{
2661	BDB::max_poll_time $TICK * 0.1;	3432	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3460
2690	cf::sync_job {	3461	cf::sync_job {
2691	eval {	3462	eval {
2692	BDB::db_env_open	3463	BDB::db_env_open
2693	$DB_ENV,	3464	$DB_ENV,
2694	$BDB_ENV_DIR,	3465	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3468	0666;
2698		3469
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3471
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3473	$DB_ENV->set_lk_detect;
2703	};	3474	};
2704		3475
…		…
2720	prio => 6,	3491	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3492	cb => \&IO::AIO::poll_cb,
2722	);	3493	);
2723	}	3494	}
2724		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
		3531	}
		3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
		3536
2725	END { cf::emergency_save }	3537	END { cf::emergency_save }
2726		3538
2727	1	3539	1
2728		3540

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