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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 1.407 by root, Sun Jan 13 09:53:53 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::Syck ();
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?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	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	173	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.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
172		203
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	208	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		209	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	210	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		211
180	# we bless all objects into (empty) derived classes to force a method lookup	212	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	213	# within the Safe compartment.
182	for my $pkg (qw(	214	for my $pkg (qw(
183	cf::global cf::attachable	215	cf::global cf::attachable
…		…
188	)) {	220	)) {
189	no strict 'refs';	221	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	223	}
192		224
193	$Event::DIED = sub {	225	$EV::DIED = sub {
194	warn "error in event callback: @_";	226	warn "error in event callback: @_";
195	};	227	};
		228
		229	#############################################################################
196		230
197	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
198		232
199	=over 4	233	=over 4
200		234
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	254	$d
221	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
222	}	256	}
223		257
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
227		259
228	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
229		261
230	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
231		263
232	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
		265
		266	=cut
		267
		268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		269
		270	sub encode_json($) { $json_coder->encode ($_[0]) }
		271	sub decode_json($) { $json_coder->decode ($_[0]) }
233		272
234	=item cf::lock_wait $string	273	=item cf::lock_wait $string
235		274
236	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
237		276
…		…
240	Wait until the given lock is available and then acquires it and returns	279	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,	280	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	281	for example when the coroutine gets canceled), the lock is automatically
243	returned.	282	returned.
244		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
245	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
247		289
248	=item $locked = cf::lock_active $string	290	=item $locked = cf::lock_active $string
249		291
250	Return true if the lock is currently active, i.e. somebody has locked it.	292	Return true if the lock is currently active, i.e. somebody has locked it.
251		293
252	=cut	294	=cut
253		295
254	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
255		298
256	sub lock_wait($) {	299	sub lock_wait($) {
257	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
258		306
259	# wait for lock, if any	307	# wait for lock, if any
260	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	310	Coro::schedule;
…		…
268		316
269	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
270	lock_wait $key;	318	lock_wait $key;
271		319
272	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
273		322
274	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
277	}	327	}
278	}	328	}
279		329
…		…
291	};	341	};
292	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
293	$guard	343	$guard
294	}	344	}
295		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
		361	=item cf::get_slot $time[, $priority[, $name]]
		362
		363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		364	This call blocks and returns only when you have at least C<$time> seconds
		365	of cpu time till the next tick. The slot is only valid till the next cede.
		366
		367	The optional C<$name> can be used to identify the job to run. It might be
		368	used for statistical purposes and should identify the same time-class.
		369
		370	Useful for short background jobs.
		371
		372	=cut
		373
		374	our @SLOT_QUEUE;
		375	our $SLOT_QUEUE;
		376
		377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
		381	my $signal = new Coro::Signal;
		382
		383	while () {
		384	next_job:
		385	my $avail = cf::till_tick;
		386	if ($avail > 0.01) {
		387	for (0 .. $#SLOT_QUEUE) {
		388	if ($SLOT_QUEUE[$_][0] < $avail) {
		389	my $job = splice @SLOT_QUEUE, $_, 1, ();
		390	$job->[2]->send;
		391	Coro::cede;
		392	goto next_job;
		393	}
		394	}
		395	}
		396
		397	if (@SLOT_QUEUE) {
		398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		399	push @cf::WAIT_FOR_TICK, $signal;
		400	$signal->wait;
		401	} else {
		402	Coro::schedule;
		403	}
		404	}
		405	};
		406
		407	sub get_slot($;$$) {
		408	my ($time, $pri, $name) = @_;
		409
		410	$time = $TICK * .6 if $time > $TICK * .6;
		411	my $sig = new Coro::Signal;
		412
		413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		415	$SLOT_QUEUE->ready;
		416	$sig->wait;
		417	}
		418
296	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
297		420
298	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
303		426
304	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
305		428
306	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
307		430
308	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
311		435
312	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
315	fast or be very important.	439	fast or be very important.
…		…
318		442
319	sub sync_job(&) {	443	sub sync_job(&) {
320	my ($job) = @_;	444	my ($job) = @_;
321		445
322	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
323	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
325		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
326	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	455	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
329		457
330	my $busy = 1;	458	my $busy = 1;
331	my @res;	459	my @res;
332		460
333	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	463	@res = eval { $job->() };
335	warn $@ if $@;	464	warn $@ if $@;
336	undef $busy;	465	undef $busy;
337	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
338		467
339	while ($busy) {	468	while ($busy) {
340	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
341	}	473	}
		474	}
		475
		476	$time = EV::time - $time;
		477
		478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		480
		481	$tick_start += $time; # do not account sync jobs to server load
342		482
343	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
344	} else {	484	} else {
345	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
346		486
…		…
366	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
367		507
368	$coro	508	$coro
369	}	509	}
370		510
371	sub write_runtime {	511	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		512
374	my $runtime = "$LOCALDIR/runtime";	513	Executes the given code block with the given arguments in a seperate
		514	process, returning the results. Everything must be serialisable with
		515	Coro::Storable. May, of course, block. Note that the executed sub may
		516	never block itself or use any form of event handling.
375		517
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
377	or return;
378		519
379	my $value = $cf::RUNTIME + 90 + 10;	520	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	521	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		522
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	523	# we seemingly have to make a local copy of the whole thing,
384	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
385		526
386	# always fsync - this file is important	527	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	528	reset_signals;
388	and return;	529	&$cb
		530	}, @args;
389		531
390	close $fh	532	wantarray ? @res : $res[-1]
391	or return;	533	}
392		534
393	aio_rename "$runtime~", $runtime	535	=item $value = cf::db_get $family => $key
394	and return;
395		536
		537	Returns a single value from the environment database.
		538
		539	=item cf::db_put $family => $key => $value
		540
		541	Stores the given C<$value> in the family. It can currently store binary
		542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
		549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
		567
		568	our $DB;
		569
		570	sub db_init {
		571	cf::sync_job {
		572	$DB ||= db_table "db";
		573	};
		574	}
		575
		576	sub db_get($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
396	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
397	}	660	}
398		661
399	=item cf::datalog type => key => value, ...	662	=item cf::datalog type => key => value, ...
400		663
401	Log a datalog packet of the given type with the given key-value pairs.	664	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")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
421		684
422	In the following description, CLASS can be any of C<global>, C<object>	685	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	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	687	Deliantra).
425		688
426	=over 4	689	=over 4
427		690
428	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
429		692
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
593		856
594	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		861
599	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	863	my $pkg = shift @arg;
601		864
602	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
632	}	895	}
633		896
634	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
635	} else {	898	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	900	}
638		901
639	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
640	}	903	}
641		904
…		…
643	if (ref $_[0]) {	906	if (ref $_[0]) {
644	_object_attach @_;	907	_object_attach @_;
645	} else {	908	} else {
646	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
647	}	910	}
		911	_recalc_want;
648	};	912	};
649		913
650	# all those should be optimised	914	# all those should be optimised
651	sub cf::attachable::detach {	915	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
656	reattach ($obj);	920	reattach ($obj);
657	} else {	921	} else {
658	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
659	}	923	}
		924	_recalc_want;
660	};	925	};
661		926
662	sub cf::attachable::attached {	927	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
664		929
…		…
679	";	944	";
680	die if $@;	945	die if $@;
681	}	946	}
682		947
683	our $override;	948	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	949	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		950
686	sub override {	951	sub override {
687	$override = 1;	952	$override = 1;
688	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
689	}	954	}
690		955
691	sub do_invoke {	956	sub do_invoke {
692	my $event = shift;	957	my $event = shift;
693	my $callbacks = shift;	958	my $callbacks = shift;
694		959
695	@invoke_results = ();	960	@INVOKE_RESULTS = ();
696		961
697	local $override;	962	local $override;
698		963
699	for (@$callbacks) {	964	for (@$callbacks) {
700	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
709	}	974	}
710		975
711	0	976	0
712	}	977	}
713		978
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		980
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		982
718	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
719		984
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	985	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	986	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		988
724	=back	989	=back
725		990
726	=cut	991	=cut
727		992
728	#############################################################################	993	#############################################################################
729	# object support	994	# object support
		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
		1029	sub _can_merge {
		1030	my ($ob1, $ob2) = @_;
		1031
		1032	++$SLOW_MERGES;#d#
		1033
		1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
		1036	}
730		1037
731	sub reattach {	1038	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1040	my ($obj) = @_;
734		1041
…		…
755	cf::attachable->attach (	1062	cf::attachable->attach (
756	prio => -1000000,	1063	prio => -1000000,
757	on_instantiate => sub {	1064	on_instantiate => sub {
758	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
759		1066
760	$data = from_json $data;	1067	$data = decode_json $data;
761		1068
762	for (@$data) {	1069	for (@$data) {
763	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
764		1071
765	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1088	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
783		1090
784	sync_job {	1091	sync_job {
785	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
788		1096
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1101	close $fh;
794		1102
795	if (@$objs) {	1103	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1109	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
803	}	1111	}
…		…
811	}	1119	}
812	} else {	1120	} else {
813	aio_unlink $filename;	1121	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
815	}	1123	}
816	}	1124	};
817	}	1125	}
818		1126
819	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
821		1129
…		…
833	or return;	1141	or return;
834		1142
835	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
837	or return;	1145	or return;
		1146
838	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
839	}	1149	}
840		1150
		1151	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
843	return ($data, $av);	1155	($data, $av)
844	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
845		1163
846	#############################################################################	1164	#############################################################################
847	# command handling &c	1165	# command handling &c
848		1166
849	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1181	}
864		1182
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1184
867	Register a callbackf ro execution when the client sends an extcmd packet.	1185	Register a callback for execution when the client sends an (synchronous)
		1186	extcmd packet. Ext commands will be processed in the order they are
		1187	received by the server, like other user commands. The first argument is
		1188	the logged-in player. Ext commands can only be processed after a player
		1189	has logged in successfully.
868		1190
869	If the callback returns something, it is sent back as if reply was being	1191	If the callback returns something, it is sent back as if reply was being
870	called.	1192	called.
871		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
872	=cut	1205	=cut
873		1206
874	sub register_extcmd {	1207	sub register_extcmd {
875	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
876		1209
877	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
878	}	1217	}
879		1218
880	cf::player->attach (	1219	cf::player->attach (
881	on_command => sub {	1220	on_command => sub {
882	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1230	cf::override;
892	},	1231	},
893	on_extcmd => sub {	1232	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
895		1234
896	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1236
898	if (ref $msg) {	1237	if (ref $msg) {
		1238	my ($type, $reply, @payload) =
		1239	"ARRAY" eq ref $msg
		1240	? @$msg
		1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1242
		1243	my @reply;
		1244
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
904	} else {	1252	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1254	}
907		1255
908	cf::override;	1256	cf::override;
909	},	1257	},
910	);	1258	);
911		1259
912	sub load_extension {
913	my ($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 {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
947	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1265	next unless -r $path;
949	eval {	1266
950	load_extension $ext;	1267	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1268	my $base = $1;
		1269	my $pkg = $1;
		1270	$pkg =~ s/[^[:word:]]/_/g;
		1271	$pkg = "ext::$pkg";
		1272
		1273	open my $fh, "<:utf8", $path
		1274	or die "$path: $!";
		1275
		1276	my $source = do { local $/; <$fh> };
		1277
		1278	my %ext = (
		1279	path => $path,
		1280	base => $base,
		1281	pkg => $pkg,
		1282	);
		1283
		1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1286
		1287	$ext{source} =
		1288	"package $pkg; use strict; use utf8;\n"
		1289	. "#line 1 \"$path\"\n{\n"
		1290	. $source
		1291	. "\n};\n1";
		1292
		1293	$todo{$base} = \%ext;
		1294	}
		1295
		1296	my %done;
		1297	while (%todo) {
		1298	my $progress;
		1299
		1300	while (my ($k, $v) = each %todo) {
		1301	for (split /,\s*/, $v->{meta}{depends}) {
		1302	goto skip
		1303	unless exists $done{$_};
		1304	}
		1305
		1306	warn "... loading '$k' into '$v->{pkg}'\n";
		1307
		1308	unless (eval $v->{source}) {
		1309	my $msg = $@ ? "$v->{path}: $@\n"
		1310	: "$v->{base}: extension inactive.\n";
		1311
		1312	if (exists $v->{meta}{mandatory}) {
		1313	warn $msg;
		1314	warn "mandatory extension failed to load, exiting.\n";
		1315	exit 1;
		1316	}
		1317
		1318	warn $msg;
		1319	}
		1320
		1321	$done{$k} = delete $todo{$k};
		1322	push @EXTS, $v->{pkg};
		1323	$progress = 1;
951	1	1324	}
952	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
953	}	1330	};
954	}	1331	}
955		1332
956	#############################################################################	1333	#############################################################################
957		1334
		1335	=back
		1336
958	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
959		1338
960	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
961		1340
962	=cut	1341	=cut
…		…
966	use Coro::AIO;	1345	use Coro::AIO;
967		1346
968	=head3 cf::player	1347	=head3 cf::player
969		1348
970	=over 4	1349	=over 4
		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
971		1364
972	=item cf::player::find $login	1365	=item cf::player::find $login
973		1366
974	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
975		1368
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1408
1016	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
1019	}	1417	}
1020	}	1418	}
1021	}	1419	}
1022		1420
…		…
1032		1430
1033	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1035		1433
1036	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1037	Coro::cede;	1435	cf::cede_to_tick;
1038	}	1436	}
1039		1437
1040	sub new($) {	1438	sub new($) {
1041	my ($login) = @_;	1439	my ($login) = @_;
1042		1440
…		…
1046	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1047		1445
1048	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1049		1447
1050	$self	1448	$self
		1449	}
		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
1051	}	1459	}
1052		1460
1053	=item $pl->quit_character	1461	=item $pl->quit_character
1054		1462
1055	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1518	or return [];
1111		1519
1112	my @logins;	1520	my @logins;
1113		1521
1114	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1118		1531
1119	utf8::decode $login;	1532	utf8::decode $login;
1120	push @logins, $login;	1533	push @logins, $login;
1121	}	1534	}
1122		1535
…		…
1149	}	1562	}
1150		1563
1151	\@paths	1564	\@paths
1152	}	1565	}
1153		1566
		1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1568
		1569	Expand crossfire pod fragments into protocol xml.
		1570
		1571	=cut
		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
		1584	sub expand_cfpod {
		1585	my ($self, $pod) = @_;
		1586
		1587	my $xml;
		1588
		1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
		1592
		1593	$group =~ s/&/&amp;/g;
		1594	$group =~ s/</&lt;/g;
		1595
		1596	$xml .= $group;
		1597	} elsif ($pod =~ m%\G
		1598	([BCGHITU])
		1599	<
		1600	(?:
		1601	([^<>]*) (?{ $group = $^N })
		1602	| < $interior >
		1603	)
		1604	>
		1605	%gcsx
		1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
		1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1626	"")
		1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
		1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
		1638
		1639	for ($xml) {
		1640	# create single paragraphs (very hackish)
		1641	s/(?<=\S)\n(?=\w)/ /g;
		1642
		1643	# compress some whitespace
		1644	s/\s+\n/\n/g; # ws line-ends
		1645	s/\n\n+/\n/g; # double lines
		1646	s/^\n+//; # beginning lines
		1647	s/\n+$//; # ending lines
		1648	}
		1649
		1650	$xml
		1651	}
		1652
		1653	no re 'eval';
		1654
		1655	sub hintmode {
		1656	$_[0]{hintmode} = $_[1] if @_ > 1;
		1657	$_[0]{hintmode}
		1658	}
		1659
1154	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1155		1661
1156	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1157		1663
1158	=cut	1664	=cut
1159		1665
1160	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1162		1668
1163	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1670	}
1167		1671
1168	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1169		1673
1170	Sends an ext event to the client.	1674	Sends an ext event to the client.
1171		1675
1172	=cut	1676	=cut
1173		1677
1174	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1176		1680
1177	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1178	}	1682	}
1179		1683
1180	=head3 cf::region	1684	=head3 cf::region
1181		1685
1182	=over 4	1686	=over 4
…		…
1185		1689
1186	package cf::region;	1690	package cf::region;
1187		1691
1188	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1189		1693
1190	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1191		1695
1192	=cut	1696	=cut
1193		1697
1194	sub find_by_path($) {	1698	sub find_by_path($) {
1195	my ($path) = @_;	1699	my ($path) = @_;
1196		1700
1197	my ($match, $specificity);	1701	my ($match, $specificity);
1198		1702
1199	for my $region (list) {	1703	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1203	}	1707	}
1204	}	1708	}
1205		1709
…		…
1269	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1270		1774
1271	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1272	local $self->{path};	1776	local $self->{path};
1273	local $self->{load_path};	1777	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1778
1277	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1278	}	1780	}
1279		1781
1280	sub normalise {	1782	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1328	return $self;	1830	return $self;
1329	}	1831	}
1330	}	1832	}
1331		1833
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1835	()
1334	}	1836	}
1335		1837
1336	sub init {	1838	sub init {
1337	my ($self) = @_;	1839	my ($self) = @_;
…		…
1380		1882
1381	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1383	}	1885	}
1384		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1385	sub unlink_save {	1895	sub unlink_save {
1386	my ($self) = @_;	1896	my ($self) = @_;
1387		1897
1388	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1902
1393	sub load_header_from($) {	1903	sub load_header_from($) {
1394	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1395		1905
1396	utf8::encode $path;	1906	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1402		1915
1403	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1404		1917
1405	1	1918	1
1406	}	1919	}
…		…
1445	$self->load_header_orig	1958	$self->load_header_orig
1446	or return;	1959	or return;
1447	$self->prepare_orig;	1960	$self->prepare_orig;
1448	}	1961	}
1449		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
1450	$self->default_region (cf::region::find_by_path $self->{path})	1966	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1967	unless $self->default_region;
1452		1968
1453	1	1969	1
1454	}	1970	}
…		…
1457	sub find {	1973	sub find {
1458	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1459		1975
1460	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1461		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1463		1980
1464	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1466	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1467	or return;	1986	or return;
1468		1987
1469	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1470		1989
1471	$map->load_header	1990	$map->load_header
1472	or return;	1991	or return;
1473		1992
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1477	$map->reset;	1998	$map->reset;
1478	undef $guard;
1479	return find $path;	1999	return find $path;
1480	}	2000	}
1481		2001
1482	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1483	}	2003	}
…		…
1490	my ($self) = @_;	2010	my ($self) = @_;
1491		2011
1492	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1493		2013
1494	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1496		2018
		2019	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2021
1499	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1500		2023
1501	$self->alloc;	2024	$self->alloc;
1502		2025
1503	$self->pre_load;	2026	$self->pre_load;
1504	Coro::cede;	2027	cf::cede_to_tick;
1505		2028
1506	$self->_load_objects ($self->{load_path}, 1)	2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
		2031	$self->_load_objects ($f)
1507	or return;	2032	or return;
1508		2033
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	2035	if delete $self->{load_original};
1511		2036
1512	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2038	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2041	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1517	}	2045	}
1518	}	2046	}
1519		2047
1520	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1521	# now do the right thing for maps	2051	# now do the right thing for maps
1522	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($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)	2053	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2054	unless $self->difficulty;
1533	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($self->{deny_activate}) {
		2058	$self->decay_objects;
		2059	$self->fix_auto_apply;
		2060	$self->update_buttons;
		2061	cf::cede_to_tick;
		2062	$self->set_darkness_map;
		2063	cf::cede_to_tick;
1534	$self->activate;	2064	$self->activate;
1535	Coro::cede;	2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
		2070	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	2071	}
1537		2072
1538	$self->post_load;	2073	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2074	}
1543		2075
1544	sub customise_for {	2076	sub customise_for {
1545	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1546		2078
1547	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2080	if $self->per_player;
1549		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1550	$self	2085	$self
1551	}	2086	}
1552		2087
1553	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2089	sub load_neighbours {
1555	my ($map) = @_;	2090	my ($map) = @_;
1556		2091
1557	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1558		2093
1559	for (0 .. 3) {	2094	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1561	or next;	2096	or next;
1562	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1563	or next;	2098	or next;
1564	$neigh->load;	2099	$neigh->load;
1565		2100
		2101	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2104	}
1569		2105
1570	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1572	or next;	2109	or next;
1573	$neigh->load;	2110	$neigh->load;
1574	}	2111	}
1575	}	2112	}
1576		2113
…		…
1581	}	2118	}
1582		2119
1583	sub do_load_sync {	2120	sub do_load_sync {
1584	my ($map) = @_;	2121	my ($map) = @_;
1585		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1586	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1587	}	2127	}
1588		2128
1589	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1591		2131
1592	sub find_async {	2132	sub find_async {
1593	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1594		2134
1595	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1596		2136
1597	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2139	}
1600		2140
1601	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1602	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1603	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2148	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2149	$map->load if $v;
		2150	}
1608		2151
1609	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1610	}	2153	}
1611	}	2154	}
1612	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1613	};	2156	};
1614	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2160	}
1618		2161
1619	sub save {	2162	sub save {
1620	my ($self) = @_;	2163	my ($self) = @_;
1621		2164
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2166
1624	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1625		2168
1626	return unless $self->dirty;	2169	return unless $self->dirty;
1627		2170
…		…
1633	return if $self->{deny_save};	2176	return if $self->{deny_save};
1634		2177
1635	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1636		2179
1637	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1639	};	2183	};
1640		2184
1641	if ($uniq) {	2185	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2194	my ($self) = @_;
1651		2195
1652	# save first because save cedes	2196	# save first because save cedes
1653	$self->save;	2197	$self->save;
1654		2198
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2200
1657	return if $self->players;	2201	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2203	return if $self->{deny_save};
1660		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2209	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2210	}
1664		2211
1665	sub reset_at {	2212	sub reset_at {
1666	my ($self) = @_;	2213	my ($self) = @_;
1667		2214
1668	# TODO: safety, remove and allow resettable per-player maps	2215	# 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};	2216	return 1e99 if $self->{deny_reset};
1671		2217
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2220
…		…
1685	my ($self) = @_;	2231	my ($self) = @_;
1686		2232
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2234
1689	return if $self->players;	2235	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2236
1692	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1693		2238
1694	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1695		2240
1696	# need to save uniques path	2241	# need to save uniques path
1697	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2246	if $uniq;
1702	}	2247	}
1703		2248
1704	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1705		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2253	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2254
1710	$self->unlink_save;	2255	$self->unlink_save;
1711	$self->destroy;	2256	$self->destroy;
1712	}	2257	}
1713		2258
1714	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1715		2260
1716	sub nuke {	2261	sub nuke {
1717	my ($self) = @_;	2262	my ($self) = @_;
1718		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1719	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1720		2268
1721	$self->unlink_save;	2269	$self->unlink_save;
1722		2270
1723	bless $self, "cf::map";	2271	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2276
1729	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1730		2279
1731	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
		2281	}
		2282
		2283	=item $maps = cf::map::tmp_maps
		2284
		2285	Returns an arrayref with all map paths of currently instantiated and saved
		2286	maps. May block.
		2287
		2288	=cut
		2289
		2290	sub tmp_maps() {
		2291	[
		2292	map {
		2293	utf8::decode $_;
		2294	/\.map$/
		2295	? normalise $_
		2296	: ()
		2297	} @{ aio_readdir $TMPDIR or [] }
		2298	]
		2299	}
		2300
		2301	=item $maps = cf::map::random_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	random maps. May block.
		2305
		2306	=cut
		2307
		2308	sub random_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise "?random/$_"
		2314	: ()
		2315	} @{ aio_readdir $RANDOMDIR or [] }
		2316	]
1732	}	2317	}
1733		2318
1734	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1735		2320
1736	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2322	instantiated unique items. May block.
1738		2323
1739	=cut	2324	=cut
1740		2325
1741	sub unique_maps() {	2326	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2327	[
1743	or return;	2328	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2329	utf8::decode $_;
1749	next if /\.pst$/;	2330	/\.map$/
1750	next unless /^$PATH_SEP/o;	2331	? normalise $_
1751		2332	: ()
1752	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2334	]
1754
1755	\@paths
1756	}	2335	}
1757		2336
1758	package cf;	2337	package cf;
1759		2338
1760	=back	2339	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1779	}	2358	}
1780		2359
1781	sub inv_recursive {	2360	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
		2362	}
		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
1783	}	2390	}
1784		2391
1785	package cf;	2392	package cf;
1786		2393
1787	=back	2394	=back
…		…
1806		2413
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2415
1809	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1811	} else {	2419	} else {
		2420	my $pl = $self->contr;
		2421
		2422	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2423	my $dialog = $pl->{npc_dialog};
		2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2425
		2426	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1814	}	2430	}
		2431	}
		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
1815	}	2441	}
1816		2442
1817	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1818		2444
1819	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1867		2493
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2495
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1872		2498
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2500	}
1875		2501
1876	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1878		2506
1879	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1880		2508
1881	unless ($map) {	2509	unless ($map) {
1882	# restore original map position	2510	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1899		2527
1900	$map->load;	2528	$map->load;
1901	$map->load_diag;	2529	$map->load_neighbours;
1902		2530
1903	return unless $self->contr->active;	2531	return unless $self->contr->active;
1904	$self->activate_recursive;	2532	$self->activate_recursive;
1905		2533
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1908	}	2536	}
1909		2537
1910	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2539
1914	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1918	};	2544	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2545
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	2546	=cut
		2547
		2548	our $GOTOGEN;
1945		2549
1946	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2555
1949	$self->enter_link;	2556	$self->enter_link;
1950		2557
1951	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1952	my $map = eval {	2580	my $map = eval {
1953	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1955	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2596	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1960	})->prio (1);	2604	})->prio (1);
1961	}	2605	}
1962		2606
1963	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1964		2608
…		…
2001	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
2002	}	2646	}
2003		2647
2004	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2005		2649
2006	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
2007	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2009		2653
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
…		…
2033	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
2035		2679
2036	$self->enter_link;	2680	$self->enter_link;
2037		2681
		2682	# if exit is damned, update players death & WoR home-position
		2683	$self->contr->savebed ($slaying, $hp, $sp)
		2684	if $exit->flag (FLAG_DAMNED);
		2685
2038	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2039	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2690	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2042		2692
2043	1;	2693	1;
…		…
2069		2719
2070	utf8::encode $text;	2720	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2722	}
2073		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
2074	=item $client->ext_event ($type, %msg)	2848	=item $client->ext_msg ($type, @msg)
2075		2849
2076	Sends an exti event to the client.	2850	Sends an ext event to the client.
2077		2851
2078	=cut	2852	=cut
2079		2853
2080	sub cf::client::ext_event($$%) {	2854	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2855	my ($self, $type, @msg) = @_;
2082		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2860	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
2085	}	2881	}
2086		2882
2087	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
2088		2884
2089	Queues a query to the client, calling the given callback with	2885	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>,	2886	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>.	2887	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2888
2093	Queries can fail, so check the return code. Or don't, as queries will become	2889	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2890	become reliable at some point in the future.
2095		2891
2096	=cut	2892	=cut
2097		2893
2098	sub cf::client::query {	2894	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2903	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2905
2110	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2112	}	2910	}
2113		2911
2114	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2115	on_reply => sub {	2918	on_reply => sub {
2116	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2117		2920
2118	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2119	# get handled first	2922	# get handled first
…		…
2131	} else {	2934	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2936	}
2134	}	2937	}
2135	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($ns, $buf) = @_;
		2941
		2942	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2943
		2944	if (ref $msg) {
		2945	my ($type, $reply, @payload) =
		2946	"ARRAY" eq ref $msg
		2947	? @$msg
		2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2949
		2950	my @reply;
		2951
		2952	if (my $cb = $EXTICMD{$type}) {
		2953	@reply = $cb->($ns, @payload);
		2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
		2959	} else {
		2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2961	}
		2962
		2963	cf::override;
		2964	},
2136	);	2965	);
2137		2966
2138	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2139		2968
2140	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2183		3012
2184	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2185		3014
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2187		3020
2188	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2189		3022
2190	=pod	3023	=pod
2191		3024
2192	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2193		3026
2194	cf::object contr pay_amount pay_player map	3027	cf::object
		3028	contr pay_amount pay_player map x y force_find force_add destroy
		3029	insert remove name archname title slaying race decrease_ob_nr
		3030
2195	cf::object::player player	3031	cf::object::player
2196	cf::player peaceful	3032	player
2197	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2198		3039
2199	=cut	3040	=cut
2200		3041
2201	for (	3042	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
		3045	decrease_ob_nr destroy)],
2203	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2206	) {	3049	) {
2207	no strict 'refs';	3050	no strict 'refs';
…		…
2278	=back	3121	=back
2279		3122
2280	=cut	3123	=cut
2281		3124
2282	#############################################################################	3125	#############################################################################
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 $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3126	# the server's init and main functions
2457		3127
2458	sub load_facedata($) {	3128	sub load_facedata($) {
2459	my ($path) = @_;	3129	my ($path) = @_;
		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
		3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3136
2461	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2462		3138
2463	my $facedata;	3139	my $facedata;
2464	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3143	$facedata = Coro::Storable::thaw $facedata;
2468		3144
2469	$facedata->{version} == 2	3145	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
2472	{	3155	{
2473	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2474		3157
2475	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3165
		3166	cf::cede_to_tick;
2481	}	3167	}
2482		3168
2483	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2485	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2486	or next;	3173	or next;
		3174
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3178	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3180	}
2492	Coro::cede;	3181
		3182	cf::cede_to_tick;
2493	}	3183	}
2494	}	3184	}
2495		3185
2496	{	3186	{
2497	my $anims = $facedata->{animinfo};	3187	my $anims = $facedata->{animinfo};
2498		3188
2499	while (my ($anim, $info) = each %$anims) {	3189	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3191	cf::cede_to_tick;
2502	}	3192	}
2503		3193
2504	cf::anim::invalidate_all; # d'oh	3194	cf::anim::invalidate_all; # d'oh
2505	}	3195	}
2506		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3231
2507	1	3232	1
2508	}	3233	}
2509		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
		3254
		3255	register_exticmd fx_want => sub {
		3256	my ($ns, $want) = @_;
		3257
		3258	while (my ($k, $v) = each %$want) {
		3259	$ns->fx_want ($k, $v);
		3260	}
		3261	};
		3262
2510	sub reload_regions {	3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
2511	load_resource_file "$MAPDIR/regions"	3268	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3269	or die "unable to load regions file\n";
		3270
		3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
2513	}	3275	}
2514		3276
2515	sub reload_facedata {	3277	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3278	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3279	or die "unable to load facedata\n";
2518	}	3280	}
2519		3281
2520	sub reload_archetypes {	3282	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3283	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
2523	}	3290	}
2524		3291
2525	sub reload_treasures {	3292	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3293	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3294	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3297	sub reload_resources {
2531	warn "reloading resource files...\n";	3298	warn "reloading resource files...\n";
2532		3299
2533	reload_regions;	3300	reload_regions;
2534	reload_facedata;	3301	reload_facedata;
		3302	#reload_archetypes;#d#
2535	reload_archetypes;	3303	reload_archetypes;
2536	reload_treasures;	3304	reload_treasures;
2537		3305
2538	warn "finished reloading resource files\n";	3306	warn "finished reloading resource files\n";
2539	}	3307	}
2540		3308
2541	sub init {	3309	sub init {
2542	reload_resources;	3310	reload_resources;
2543	}	3311	}
2544		3312
2545	sub cfg_load {	3313	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3315	or return;
2548		3316
2549	local $/;	3317	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
…		…
2566	sub main {	3334	sub main {
2567	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3338	(async {
2571	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2573	};	3342	};
2574		3343
2575	cfg_load;	3344	reload_config;
2576	db_init;	3345	db_init;
2577	load_extensions;	3346	load_extensions;
2578		3347
2579	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2580	Event::loop;	3350	EV::loop;
2581	}	3351	}
2582		3352
2583	#############################################################################	3353	#############################################################################
2584	# initialisation and cleanup	3354	# initialisation and cleanup
2585		3355
2586	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2587	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3360	$SIGWATCHER{$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";	3361	cf::cleanup "SIG$signal";
2596	},
2597	);	3362	};
		3363	}
		3364	}
		3365
		3366	sub write_runtime {
		3367	my $runtime = "$LOCALDIR/runtime";
		3368
		3369	# first touch the runtime file to show we are still running:
		3370	# the fsync below can take a very very long time.
		3371
		3372	IO::AIO::aio_utime $runtime, undef, undef;
		3373
		3374	my $guard = cf::lock_acquire "write_runtime";
		3375
		3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3377	or return;
		3378
		3379	my $value = $cf::RUNTIME + 90 + 10;
		3380	# 10 is the runtime save interval, for a monotonic clock
		3381	# 60 allows for the watchdog to kill the server.
		3382
		3383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3384	and return;
		3385
		3386	# always fsync - this file is important
		3387	aio_fsync $fh
		3388	and return;
		3389
		3390	# touch it again to show we are up-to-date
		3391	aio_utime $fh, undef, undef;
		3392
		3393	close $fh
		3394	or return;
		3395
		3396	aio_rename "$runtime~", $runtime
		3397	and return;
		3398
		3399	warn "runtime file written.\n";
		3400
2598	}	3401	1
2599	}	3402	}
2600		3403
2601	sub emergency_save() {	3404	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2603		3406
…		…
2609	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3418	$pl->save;
2615	}	3419	}
2616	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2617		3421
2618	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2657	warn "syncing database to disk";	3461	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3463
2660	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
2661		3465
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2668	for (;;) {	3467	for (;;) {
2669	BDB::flush;	3468	BDB::flush;
2670	IO::AIO::flush;	3469	IO::AIO::flush;
2671	Coro::cede;	3470	Coro::cede_notself;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";	3472	warn "iterate...";
2674	}	3473	}
2675		3474
2676	++$RELOAD;	3475	++$RELOAD;
…		…
2680	%EXT_CORO = ();	3479	%EXT_CORO = ();
2681		3480
2682	warn "removing commands";	3481	warn "removing commands";
2683	%COMMAND = ();	3482	%COMMAND = ();
2684		3483
2685	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2687		3487
2688	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2691		3491
…		…
2734	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2735	require cf;	3535	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3537
2738	warn "loading config and database again";	3538	warn "loading config and database again";
2739	cf::cfg_load;	3539	cf::reload_config;
2740		3540
2741	warn "loading extensions";	3541	warn "loading extensions";
2742	cf::load_extensions;	3542	cf::load_extensions;
2743		3543
2744	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
2764		3564
2765	sub reload_perl() {	3565	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
2768		3568
2769	$RELOAD_WATCHER ||= Event->timer (	3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3570	undef $RELOAD_WATCHER;
2776	},	3571	do_reload_perl;
2777	);	3572	};
2778	}	3573	}
2779		3574
2780	register_command "reload" => sub {	3575	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2782		3577
2783	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3582	reload_perl;
		3583	};
2786	}	3584	}
2787	};	3585	};
2788		3586
2789	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2790		3588
…		…
2809	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3609	$signal->wait;
2812	}	3610	}
2813		3611
2814	$TICK_WATCHER = Event->timer (	3612	$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 != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2824	return;	3616	return;
2825	}	3617	}
2826		3618
2827	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2828		3620
2829	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
2830		3622
2831	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2833		3625
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3630	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3632	};
		3633	}
2841		3634
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) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3636	$sig->send;
2853	}	3637	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3639	$sig->send;
2856	}	3640	}
2857		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
2858	_post_tick;	3645	_post_tick;
2859	},	3646	};
2860	);	3647	$TICK_WATCHER->priority (EV::MAXPRI);
2861		3648
2862	{	3649	{
2863	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3651
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;	3652	BDB::min_parallel 8;
2873		3653	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3654	$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	$! = $status;
2885	},
2886	)
2887	};
2888		3655
2889	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3662
2892	cf::sync_job {	3663	cf::sync_job {
2893	eval {	3664	eval {
2894	BDB::db_env_open	3665	BDB::db_env_open
2895	$DB_ENV,	3666	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3670	0666;
2900		3671
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3672	cf::cleanup "db_env_open($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	};	3673	};
2906		3674
2907	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3676	};
2909	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
2910	}	3688	}
2911		3689
2912	{	3690	{
		3691	# configure IO::AIO
		3692
2913	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2918	reentrant => 0,	3696	}
2919	data => WF_AUTOCANCEL,	3697
2920	fd => IO::AIO::poll_fileno,	3698	my $_log_backtrace;
2921	poll => 'r',	3699
2922	prio => 6,	3700	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3701	my ($msg, @addr) = @_;
2924	);	3702
		3703	$msg =~ s/\n//;
		3704
		3705	# limit the # of concurrent backtraces
		3706	if ($_log_backtrace < 2) {
		3707	++$_log_backtrace;
		3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
		3711	my @bt = fork_call {
		3712	@addr = map { sprintf "%x", $_ } @addr;
		3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3715	or die "addr2line: $!";
		3716
		3717	my @funcs;
		3718	my @res = <$fh>;
		3719	chomp for @res;
		3720	while (@res) {
		3721	my ($func, $line) = splice @res, 0, 2, ();
		3722	push @funcs, "[$func] $line";
		3723	}
		3724
		3725	@funcs
		3726	};
		3727
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] $_\n" for @bt;
		3730	--$_log_backtrace;
		3731	};
		3732	} else {
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] [suppressed]\n";
		3735	}
2925	}	3736	}
2926		3737
2927	# load additional modules	3738	# load additional modules
2928	use cf::pod;	3739	use cf::pod;
2929		3740

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