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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
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 Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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
94		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		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.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		168
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
159	BEGIN {	183	BEGIN {
…		…
163	$msg .= "\n"	187	$msg .= "\n"
164	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
165		189
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		191
168	utf8::encode $msg;
169	LOG llevError, $msg;	192	LOG llevError, $msg;
170	};	193	};
171	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
172		210
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		218
180	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	220	# within the Safe compartment.
182	for my $pkg (qw(	221	for my $pkg (qw(
183	cf::global cf::attachable	222	cf::global cf::attachable
…		…
188	)) {	227	)) {
189	no strict 'refs';	228	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	230	}
192		231
193	$Event::DIED = sub {	232	$EV::DIED = sub {
194	warn "error in event callback: @_";	233	warn "error in event callback: @_";
195	};	234	};
		235
		236	#############################################################################
196		237
197	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
198		239
199	=over 4	240	=over 4
200		241
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	261	$d
221	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
222	}	263	}
223		264
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
227		266
228	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
229		268
230	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
231		270
232	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
233		279
234	=item cf::lock_wait $string	280	=item cf::lock_wait $string
235		281
236	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
237		283
…		…
240	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
243	returned.	289	returned.
244		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
245	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
247		296
248	=item $locked = cf::lock_active $string	297	=item $locked = cf::lock_active $string
249		298
250	Return true if the lock is currently active, i.e. somebody has locked it.	299	Return true if the lock is currently active, i.e. somebody has locked it.
251		300
252	=cut	301	=cut
253		302
254	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
255		305
256	sub lock_wait($) {	306	sub lock_wait($) {
257	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
258		313
259	# wait for lock, if any	314	# wait for lock, if any
260	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	317	Coro::schedule;
…		…
268		323
269	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
270	lock_wait $key;	325	lock_wait $key;
271		326
272	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
273		329
274	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
277	}	334	}
278	}	335	}
279		336
…		…
291	};	348	};
292	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
293	$guard	350	$guard
294	}	351	}
295		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
296	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
297		427
298	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
303		433
304	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
305		435
306	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
307		437
308	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
311		442
312	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
315	fast or be very important.	446	fast or be very important.
…		…
318		449
319	sub sync_job(&) {	450	sub sync_job(&) {
320	my ($job) = @_;	451	my ($job) = @_;
321		452
322	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
323	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
325		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
326	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	462	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
329		464
330	my $busy = 1;	465	my $busy = 1;
331	my @res;	466	my @res;
332		467
333	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	470	@res = eval { $job->() };
335	warn $@ if $@;	471	warn $@ if $@;
336	undef $busy;	472	undef $busy;
337	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
338		474
339	while ($busy) {	475	while ($busy) {
340	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
341	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
342		489
343	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
344	} else {	491	} else {
345	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
346		493
…		…
366	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
367		514
368	$coro	515	$coro
369	}	516	}
370		517
371	sub write_runtime {	518	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		519
374	my $runtime = "$LOCALDIR/runtime";	520	Executes the given code block with the given arguments in a seperate
		521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
375		524
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
377	or return;
378		526
379	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		529
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
384	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
385		533
386	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	535	reset_signals;
388	and return;	536	&$cb
		537	}, @args;
389		538
390	close $fh	539	wantarray ? @res : $res[-1]
391	or return;	540	}
392		541
393	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
394	and return;
395		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
396	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
397	}	667	}
398		668
399	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
400		670
401	Log a datalog packet of the given type with the given key-value pairs.	671	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
421		691
422	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	694	Deliantra).
425		695
426	=over 4	696	=over 4
427		697
428	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
429		699
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
593		863
594	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		868
599	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	870	my $pkg = shift @arg;
601		871
602	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
632	}	902	}
633		903
634	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
635	} else {	905	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	907	}
638		908
639	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
640	}	910	}
641		911
…		…
643	if (ref $_[0]) {	913	if (ref $_[0]) {
644	_object_attach @_;	914	_object_attach @_;
645	} else {	915	} else {
646	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
647	}	917	}
		918	_recalc_want;
648	};	919	};
649		920
650	# all those should be optimised	921	# all those should be optimised
651	sub cf::attachable::detach {	922	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
656	reattach ($obj);	927	reattach ($obj);
657	} else {	928	} else {
658	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
659	}	930	}
		931	_recalc_want;
660	};	932	};
661		933
662	sub cf::attachable::attached {	934	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
664		936
…		…
679	";	951	";
680	die if $@;	952	die if $@;
681	}	953	}
682		954
683	our $override;	955	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		957
686	sub override {	958	sub override {
687	$override = 1;	959	$override = 1;
688	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
689	}	961	}
690		962
691	sub do_invoke {	963	sub do_invoke {
692	my $event = shift;	964	my $event = shift;
693	my $callbacks = shift;	965	my $callbacks = shift;
694		966
695	@invoke_results = ();	967	@INVOKE_RESULTS = ();
696		968
697	local $override;	969	local $override;
698		970
699	for (@$callbacks) {	971	for (@$callbacks) {
700	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
709	}	981	}
710		982
711	0	983	0
712	}	984	}
713		985
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		987
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		989
718	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
719		991
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		995
724	=back	996	=back
725		997
726	=cut	998	=cut
727		999
728	#############################################################################	1000	#############################################################################
729	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
730		1044
731	sub reattach {	1045	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1047	my ($obj) = @_;
734		1048
…		…
755	cf::attachable->attach (	1069	cf::attachable->attach (
756	prio => -1000000,	1070	prio => -1000000,
757	on_instantiate => sub {	1071	on_instantiate => sub {
758	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
759		1073
760	$data = from_json $data;	1074	$data = decode_json $data;
761		1075
762	for (@$data) {	1076	for (@$data) {
763	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
764		1078
765	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1095	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
783		1097
784	sync_job {	1098	sync_job {
785	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
788		1103
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1108	close $fh;
794		1109
795	if (@$objs) {	1110	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1116	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
803	}	1118	}
…		…
811	}	1126	}
812	} else {	1127	} else {
813	aio_unlink $filename;	1128	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
815	}	1130	}
816	}	1131	};
817	}	1132	}
818		1133
819	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
821		1136
…		…
833	or return;	1148	or return;
834		1149
835	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
837	or return;	1152	or return;
		1153
838	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
839	}	1156	}
840		1157
		1158	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
843	return ($data, $av);	1162	($data, $av)
844	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
845		1170
846	#############################################################################	1171	#############################################################################
847	# command handling &c	1172	# command handling &c
848		1173
849	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1188	}
864		1189
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1191
867	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
868		1197
869	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
870	called.	1199	called.
871		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
872	=cut	1212	=cut
873		1213
874	sub register_extcmd {	1214	sub register_extcmd {
875	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
876		1216
877	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
878	}	1224	}
879		1225
880	cf::player->attach (	1226	cf::player->attach (
881	on_command => sub {	1227	on_command => sub {
882	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1237	cf::override;
892	},	1238	},
893	on_extcmd => sub {	1239	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
895		1241
896	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1243
898	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
904	} else {	1259	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1261	}
907		1262
908	cf::override;	1263	cf::override;
909	},	1264	},
910	);	1265	);
911		1266
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
947	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1272	next unless -r $path;
949	eval {	1273
950	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
951	1	1330	}
952	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
953	}	1336	};
954	}	1337	}
955		1338
956	#############################################################################	1339	#############################################################################
957		1340
		1341	=back
		1342
958	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
959		1344
960	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
961		1346
962	=cut	1347	=cut
…		…
966	use Coro::AIO;	1351	use Coro::AIO;
967		1352
968	=head3 cf::player	1353	=head3 cf::player
969		1354
970	=over 4	1355	=over 4
		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
971		1370
972	=item cf::player::find $login	1371	=item cf::player::find $login
973		1372
974	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
975		1374
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1414
1016	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1019	}	1423	}
1020	}	1424	}
1021	}	1425	}
1022		1426
…		…
1032		1436
1033	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1035		1439
1036	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1037	Coro::cede;	1441	cf::cede_to_tick;
1038	}	1442	}
1039		1443
1040	sub new($) {	1444	sub new($) {
1041	my ($login) = @_;	1445	my ($login) = @_;
1042		1446
…		…
1046	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1047		1451
1048	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1049		1453
1050	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1051	}	1465	}
1052		1466
1053	=item $pl->quit_character	1467	=item $pl->quit_character
1054		1468
1055	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1524	or return [];
1111		1525
1112	my @logins;	1526	my @logins;
1113		1527
1114	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1118		1537
1119	utf8::decode $login;	1538	utf8::decode $login;
1120	push @logins, $login;	1539	push @logins, $login;
1121	}	1540	}
1122		1541
…		…
1149	}	1568	}
1150		1569
1151	\@paths	1570	\@paths
1152	}	1571	}
1153		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1154	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1155		1667
1156	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1157		1669
1158	=cut	1670	=cut
1159		1671
1160	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1162		1674
1163	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1676	}
1167		1677
1168	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1169		1679
1170	Sends an ext event to the client.	1680	Sends an ext event to the client.
1171		1681
1172	=cut	1682	=cut
1173		1683
1174	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1176		1686
1177	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1178	}	1688	}
1179		1689
1180	=head3 cf::region	1690	=head3 cf::region
1181		1691
1182	=over 4	1692	=over 4
…		…
1185		1695
1186	package cf::region;	1696	package cf::region;
1187		1697
1188	=item cf::region::find_by_path $path	1698	=item cf::region::find_by_path $path
1189		1699
1190	Tries to decuce the probable region for a map knowing only its path.	1700	Tries to decuce the likely region for a map knowing only its path.
1191		1701
1192	=cut	1702	=cut
1193		1703
1194	sub find_by_path($) {	1704	sub find_by_path($) {
1195	my ($path) = @_;	1705	my ($path) = @_;
1196		1706
1197	my ($match, $specificity);	1707	my ($match, $specificity);
1198		1708
1199	for my $region (list) {	1709	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1710	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1711	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1712	if $region->specificity > $specificity;
1203	}	1713	}
1204	}	1714	}
1205		1715
…		…
1269	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1270		1780
1271	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1272	local $self->{path};	1782	local $self->{path};
1273	local $self->{load_path};	1783	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1784
1277	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1278	}	1786	}
1279		1787
1280	sub normalise {	1788	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1328	return $self;	1836	return $self;
1329	}	1837	}
1330	}	1838	}
1331		1839
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1841	()
1334	}	1842	}
1335		1843
1336	sub init {	1844	sub init {
1337	my ($self) = @_;	1845	my ($self) = @_;
…		…
1380		1888
1381	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1383	}	1891	}
1384		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1385	sub unlink_save {	1901	sub unlink_save {
1386	my ($self) = @_;	1902	my ($self) = @_;
1387		1903
1388	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1908
1393	sub load_header_from($) {	1909	sub load_header_from($) {
1394	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1395		1911
1396	utf8::encode $path;	1912	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1402		1921
1403	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1404		1923
1405	1	1924	1
1406	}	1925	}
…		…
1445	$self->load_header_orig	1964	$self->load_header_orig
1446	or return;	1965	or return;
1447	$self->prepare_orig;	1966	$self->prepare_orig;
1448	}	1967	}
1449		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
1450	$self->default_region (cf::region::find_by_path $self->{path})	1972	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1973	unless $self->default_region;
1452		1974
1453	1	1975	1
1454	}	1976	}
…		…
1457	sub find {	1979	sub find {
1458	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1459		1981
1460	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1461		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1463		1986
1464	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1466	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1467	or return;	1992	or return;
1468		1993
1469	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1470		1995
1471	$map->load_header	1996	$map->load_header
1472	or return;	1997	or return;
1473		1998
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1477	$map->reset;	2004	$map->reset;
1478	undef $guard;
1479	return find $path;	2005	return find $path;
1480	}	2006	}
1481		2007
1482	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1483	}	2009	}
…		…
1490	my ($self) = @_;	2016	my ($self) = @_;
1491		2017
1492	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1493		2019
1494	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1496		2024
		2025	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2027
1499	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1500		2029
1501	$self->alloc;	2030	$self->alloc;
1502		2031
1503	$self->pre_load;	2032	$self->pre_load;
1504	Coro::cede;	2033	cf::cede_to_tick;
1505		2034
1506	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1507	or return;	2038	or return;
1508		2039
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	2041	if delete $self->{load_original};
1511		2042
1512	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2044	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2047	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1517	}	2051	}
1518	}	2052	}
1519		2053
1520	Coro::cede;	2054	$f->resolve_delayed_derefs;
		2055
		2056	cf::cede_to_tick;
1521	# now do the right thing for maps	2057	# now do the right thing for maps
1522	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2060	unless $self->difficulty;
1533	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1534	$self->activate;	2070	$self->activate;
1535	Coro::cede;	2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	2077	}
1537		2078
1538	$self->post_load;	2079	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2080	}
1543		2081
1544	sub customise_for {	2082	sub customise_for {
1545	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1546		2084
1547	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2086	if $self->per_player;
1549		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1550	$self	2091	$self
1551	}	2092	}
1552		2093
1553	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2095	sub load_neighbours {
1555	my ($map) = @_;	2096	my ($map) = @_;
1556		2097
1557	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1558		2099
1559	for (0 .. 3) {	2100	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1561	or next;	2102	or next;
1562	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1563	or next;	2104	or next;
1564	$neigh->load;	2105	$neigh->load;
1565		2106
		2107	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2110	}
1569		2111
1570	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1572	or next;	2115	or next;
1573	$neigh->load;	2116	$neigh->load;
1574	}	2117	}
1575	}	2118	}
1576		2119
…		…
1581	}	2124	}
1582		2125
1583	sub do_load_sync {	2126	sub do_load_sync {
1584	my ($map) = @_;	2127	my ($map) = @_;
1585		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1586	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1587	}	2133	}
1588		2134
1589	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1591		2137
1592	sub find_async {	2138	sub find_async {
1593	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1594		2140
1595	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1596		2142
1597	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2145	}
1600		2146
1601	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1602	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1603	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2154	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2155	$map->load if $v;
		2156	}
1608		2157
1609	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1610	}	2159	}
1611	}	2160	}
1612	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1613	};	2162	};
1614	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2166	}
1618		2167
1619	sub save {	2168	sub save {
1620	my ($self) = @_;	2169	my ($self) = @_;
1621		2170
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2172
1624	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1625		2174
1626	return unless $self->dirty;	2175	return unless $self->dirty;
1627		2176
…		…
1633	return if $self->{deny_save};	2182	return if $self->{deny_save};
1634		2183
1635	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1636		2185
1637	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1639	};	2189	};
1640		2190
1641	if ($uniq) {	2191	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2200	my ($self) = @_;
1651		2201
1652	# save first because save cedes	2202	# save first because save cedes
1653	$self->save;	2203	$self->save;
1654		2204
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2206
1657	return if $self->players;	2207	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2209	return if $self->{deny_save};
1660		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2215	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2216	}
1664		2217
1665	sub reset_at {	2218	sub reset_at {
1666	my ($self) = @_;	2219	my ($self) = @_;
1667		2220
1668	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1671		2223
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2226
…		…
1685	my ($self) = @_;	2237	my ($self) = @_;
1686		2238
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2240
1689	return if $self->players;	2241	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2242
1692	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1693		2244
1694	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1695		2246
1696	# need to save uniques path	2247	# need to save uniques path
1697	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2252	if $uniq;
1702	}	2253	}
1703		2254
1704	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1705		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2259	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2260
1710	$self->unlink_save;	2261	$self->unlink_save;
1711	$self->destroy;	2262	$self->destroy;
1712	}	2263	}
1713		2264
1714	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1715		2266
1716	sub nuke {	2267	sub nuke {
1717	my ($self) = @_;	2268	my ($self) = @_;
1718		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1719	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1720		2274
1721	$self->unlink_save;	2275	$self->unlink_save;
1722		2276
1723	bless $self, "cf::map";	2277	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2282
1729	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1730		2285
1731	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1732	}	2323	}
1733		2324
1734	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1735		2326
1736	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2328	instantiated unique items. May block.
1738		2329
1739	=cut	2330	=cut
1740		2331
1741	sub unique_maps() {	2332	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2333	[
1743	or return;	2334	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2335	utf8::decode $_;
1749	next if /\.pst$/;	2336	/\.map$/
1750	next unless /^$PATH_SEP/o;	2337	? normalise $_
1751		2338	: ()
1752	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2340	]
1754
1755	\@paths
1756	}	2341	}
1757		2342
1758	package cf;	2343	package cf;
1759		2344
1760	=back	2345	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1779	}	2364	}
1780		2365
1781	sub inv_recursive {	2366	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1783	}	2396	}
1784		2397
1785	package cf;	2398	package cf;
1786		2399
1787	=back	2400	=back
…		…
1806		2419
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2421
1809	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1811	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1814	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1815	}	2447	}
1816		2448
1817	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1818		2450
1819	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1867		2499
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2501
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1872		2504
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2506	}
1875		2507
1876	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1878		2512
1879	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1880		2514
1881	unless ($map) {	2515	unless ($map) {
1882	# restore original map position	2516	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1899		2533
1900	$map->load;	2534	$map->load;
1901	$map->load_diag;	2535	$map->load_neighbours;
1902		2536
1903	return unless $self->contr->active;	2537	return unless $self->contr->active;
1904	$self->activate_recursive;	2538	$self->activate_recursive;
1905		2539
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1908	}	2542	}
1909		2543
1910	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2545
1914	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1918	};	2550	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2551
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1945		2555
1946	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2561
1949	$self->enter_link;	2562	$self->enter_link;
1950		2563
1951	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1952	my $map = eval {	2586	my $map = eval {
1953	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1955	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2602	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1960	})->prio (1);	2610	})->prio (1);
1961	}	2611	}
1962		2612
1963	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1964		2614
…		…
2001	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
2002	}	2652	}
2003		2653
2004	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
2005		2655
2006	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
2007	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
2009		2659
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
…		…
2033	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
2035		2685
2036	$self->enter_link;	2686	$self->enter_link;
2037		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
2038	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
2039	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2696	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
2042		2698
2043	1;	2699	1;
…		…
2069		2725
2070	utf8::encode $text;	2726	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2728	}
2073		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2074	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2075		2855
2076	Sends an exti event to the client.	2856	Sends an ext event to the client.
2077		2857
2078	=cut	2858	=cut
2079		2859
2080	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2082		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2085	}	2887	}
2086		2888
2087	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2088		2890
2089	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2894
2093	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2896	become reliable at some point in the future.
2095		2897
2096	=cut	2898	=cut
2097		2899
2098	sub cf::client::query {	2900	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2909	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2911
2110	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2112	}	2916	}
2113		2917
2114	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2115	on_reply => sub {	2924	on_reply => sub {
2116	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2117		2926
2118	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2119	# get handled first	2928	# get handled first
…		…
2131	} else {	2940	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2942	}
2134	}	2943	}
2135	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2136	);	2971	);
2137		2972
2138	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2139		2974
2140	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2183		3018
2184	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2185		3020
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2187		3026
2188	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2189		3028
2190	=pod	3029	=pod
2191		3030
2192	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2193		3032
2194	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2195	cf::object::player player	3037	cf::object::player
2196	cf::player peaceful	3038	player
2197	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2198		3045
2199	=cut	3046	=cut
2200		3047
2201	for (	3048	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2203	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2206	) {	3055	) {
2207	no strict 'refs';	3056	no strict 'refs';
…		…
2278	=back	3127	=back
2279		3128
2280	=cut	3129	=cut
2281		3130
2282	#############################################################################	3131	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3132	# the server's init and main functions
2457		3133
2458	sub load_facedata($) {	3134	sub load_facedata($) {
2459	my ($path) = @_;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3142
2461	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2462		3144
2463	my $facedata;	3145	my $facedata;
2464	0 < aio_load $path, $facedata	3146	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3149	$facedata = Coro::Storable::thaw $facedata;
2468		3150
2469	$facedata->{version} == 2	3151	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
2472	{	3161	{
2473	my $faces = $facedata->{faceinfo};	3162	my $faces = $facedata->{faceinfo};
2474		3163
2475	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3171
		3172	cf::cede_to_tick;
2481	}	3173	}
2482		3174
2483	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2485	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2486	or next;	3179	or next;
		3180
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3184	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3186	}
2492	Coro::cede;	3187
		3188	cf::cede_to_tick;
2493	}	3189	}
2494	}	3190	}
2495		3191
2496	{	3192	{
2497	my $anims = $facedata->{animinfo};	3193	my $anims = $facedata->{animinfo};
2498		3194
2499	while (my ($anim, $info) = each %$anims) {	3195	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3197	cf::cede_to_tick;
2502	}	3198	}
2503		3199
2504	cf::anim::invalidate_all; # d'oh	3200	cf::anim::invalidate_all; # d'oh
2505	}	3201	}
2506		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
2507	1	3238	1
2508	}	3239	}
2509		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
2510	sub reload_regions {	3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
2511	load_resource_file "$MAPDIR/regions"	3274	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
2513	}	3281	}
2514		3282
2515	sub reload_facedata {	3283	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3284	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3285	or die "unable to load facedata\n";
2518	}	3286	}
2519		3287
2520	sub reload_archetypes {	3288	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3289	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
2523	}	3296	}
2524		3297
2525	sub reload_treasures {	3298	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3299	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3300	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3303	sub reload_resources {
2531	warn "reloading resource files...\n";	3304	warn "reloading resource files...\n";
2532		3305
2533	reload_regions;	3306	reload_regions;
2534	reload_facedata;	3307	reload_facedata;
		3308	#reload_archetypes;#d#
2535	reload_archetypes;	3309	reload_archetypes;
2536	reload_treasures;	3310	reload_treasures;
2537		3311
2538	warn "finished reloading resource files\n";	3312	warn "finished reloading resource files\n";
2539	}	3313	}
2540		3314
2541	sub init {	3315	sub init {
2542	reload_resources;	3316	reload_resources;
2543	}	3317	}
2544		3318
2545	sub cfg_load {	3319	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3321	or return;
2548		3322
2549	local $/;	3323	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2551		3325
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3327
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2566	sub main {	3340	sub main {
2567	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3344	(async {
2571	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2573	};	3348	};
2574		3349
2575	cfg_load;	3350	reload_config;
2576	db_init;	3351	db_init;
2577	load_extensions;	3352	load_extensions;
2578		3353
2579	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2580	Event::loop;	3356	EV::loop;
2581	}	3357	}
2582		3358
2583	#############################################################################	3359	#############################################################################
2584	# initialisation and cleanup	3360	# initialisation and cleanup
2585		3361
2586	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2587	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2596	},
2597	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2598	}	3407	1
2599	}	3408	}
2600		3409
2601	sub emergency_save() {	3410	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2603		3412
…		…
2609	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3424	$pl->save;
2615	}	3425	}
2616	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2617		3427
2618	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2657	warn "syncing database to disk";	3467	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3469
2660	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2661		3471
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2668	for (;;) {	3473	for (;;) {
2669	BDB::flush;	3474	BDB::flush;
2670	IO::AIO::flush;	3475	IO::AIO::flush;
2671	Coro::cede;	3476	Coro::cede_notself;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";	3478	warn "iterate...";
2674	}	3479	}
2675		3480
2676	++$RELOAD;	3481	++$RELOAD;
…		…
2680	%EXT_CORO = ();	3485	%EXT_CORO = ();
2681		3486
2682	warn "removing commands";	3487	warn "removing commands";
2683	%COMMAND = ();	3488	%COMMAND = ();
2684		3489
2685	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2687		3493
2688	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2691		3497
…		…
2734	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2735	require cf;	3541	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3543
2738	warn "loading config and database again";	3544	warn "loading config and database again";
2739	cf::cfg_load;	3545	cf::reload_config;
2740		3546
2741	warn "loading extensions";	3547	warn "loading extensions";
2742	cf::load_extensions;	3548	cf::load_extensions;
2743		3549
2744	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2751	warn "leaving sync_job";	3557	warn "leaving sync_job";
2752		3558
2753	1	3559	1
2754	} or do {	3560	} or do {
2755	warn $@;	3561	warn $@;
2756	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3563	};
2759		3564
2760	warn "reloaded";	3565	warn "reloaded";
2761	};	3566	};
2762		3567
…		…
2764		3569
2765	sub reload_perl() {	3570	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3571	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3572	# coro crashes during coro_state_free->destroy here.
2768		3573
2769	$RELOAD_WATCHER ||= Event->timer (	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;	3575	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3576	undef $RELOAD_WATCHER;
2776	},
2777	);	3577	};
2778	}	3578	}
2779		3579
2780	register_command "reload" => sub {	3580	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2782		3582
2783	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3587	reload_perl;
		3588	};
2786	}	3589	}
2787	};	3590	};
2788		3591
2789	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2790		3593
…		…
2809	my $signal = new Coro::Signal;	3612	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3613	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3614	$signal->wait;
2812	}	3615	}
2813		3616
2814	$TICK_WATCHER = Event->timer (	3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2824	return;	3621	return;
2825	}	3622	}
2826		3623
2827	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2828		3625
2829	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
2830		3627
2831	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2833		3630
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3635	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3637	};
		3638	}
2841		3639
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3641	$sig->send;
2853	}	3642	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3643	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3644	$sig->send;
2856	}	3645	}
2857		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
2858	_post_tick;	3650	_post_tick;
2859	},	3651	};
2860	);	3652	$TICK_WATCHER->priority (EV::MAXPRI);
2861		3653
2862	{	3654	{
2863	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3656
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2873		3658	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3660
2889	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3667
2892	cf::sync_job {	3668	cf::sync_job {
2893	eval {	3669	eval {
2894	BDB::db_env_open	3670	BDB::db_env_open
2895	$DB_ENV,	3671	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3675	0666;
2900		3676
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3678	};
2906		3679
2907	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3681	};
2909	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2910	}	3693	}
2911		3694
2912	{	3695	{
		3696	# configure IO::AIO
		3697
2913	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2918	reentrant => 0,	3701	}
2919	data => WF_AUTOCANCEL,	3702
2920	fd => IO::AIO::poll_fileno,	3703	my $_log_backtrace;
2921	poll => 'r',	3704
2922	prio => 6,	3705	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3706	my ($msg, @addr) = @_;
2924	);	3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
2925	}	3741	}
2926		3742
2927	# load additional modules	3743	# load additional modules
2928	use cf::pod;	3744	use cf::pod;
2929		3745

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