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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	133	every server tick.
104		134
105	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		204
153	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
261	}	321	}
262		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
266	my $guard = Coro::guard {	332	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	334	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
272	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
273	}	393	}
274		394
275	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
276		396
277	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		402
283	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
284		404
285	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
286		406
287	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
290		411
291	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
294	fast or be very important.	415	fast or be very important.
…		…
297		418
298	sub sync_job(&) {	419	sub sync_job(&) {
299	my ($job) = @_;	420	my ($job) = @_;
300		421
301	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
302	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
304		427
305	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
317		440
318	while ($busy) {	441	while ($busy) {
319	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
320	}	443	}
321		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
322	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
323	} else {	453	} else {
324	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
325		455
326	$job->()	456	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
346		476
347	$coro	477	$coro
348	}	478	}
349		479
350	sub write_runtime {	480	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		481
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
354	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
355		486
356	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		488
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
361	and return;	490	my ($cb, @args) = @_;
362		491
363	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
364	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
365		495
366	close $fh	496	my @res = Coro::Util::fork_eval {
367	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
368		500
369	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
370	and return;	502	}
371		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
372	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	629	}
374		630
375	=back	631	=back
376		632
377	=cut	633	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
386		642
387	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	645	Crossfire TRT).
390		646
391	=over 4	647	=over 4
392		648
393	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
394		650
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
558		814
559	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		819
564	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	821	my $pkg = shift @arg;
566		822
567	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
597	}	853	}
598		854
599	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
600	} else {	856	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	858	}
603		859
604	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
605	}	861	}
606		862
…		…
608	if (ref $_[0]) {	864	if (ref $_[0]) {
609	_object_attach @_;	865	_object_attach @_;
610	} else {	866	} else {
611	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
612	}	868	}
		869	_recalc_want;
613	};	870	};
614		871
615	# all those should be optimised	872	# all those should be optimised
616	sub cf::attachable::detach {	873	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
621	reattach ($obj);	878	reattach ($obj);
622	} else {	879	} else {
623	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	sub cf::attachable::attached {	885	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
629		887
…		…
644	";	902	";
645	die if $@;	903	die if $@;
646	}	904	}
647		905
648	our $override;	906	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		908
651	sub override {	909	sub override {
652	$override = 1;	910	$override = 1;
653	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
654	}	912	}
655		913
656	sub do_invoke {	914	sub do_invoke {
657	my $event = shift;	915	my $event = shift;
658	my $callbacks = shift;	916	my $callbacks = shift;
659		917
660	@invoke_results = ();	918	@INVOKE_RESULTS = ();
661		919
662	local $override;	920	local $override;
663		921
664	for (@$callbacks) {	922	for (@$callbacks) {
665	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
682		940
683	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
684		942
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		946
689	=back	947	=back
690		948
691	=cut	949	=cut
692		950
693	#############################################################################	951	#############################################################################
694	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
695		964
696	sub reattach {	965	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	967	my ($obj) = @_;
699		968
…		…
744	);	1013	);
745		1014
746	sub object_freezer_save {	1015	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
748		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
749	sync_job {	1020	sync_job {
750	if (length $$rdata) {	1021	if (length $$rdata) {
751	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
753		1024
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1029	close $fh;
759		1030
760	if (@$objs) {	1031	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1037	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
768	}	1039	}
769	} else {	1040	} else {
770	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
776	}	1047	}
777	} else {	1048	} else {
778	aio_unlink $filename;	1049	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
780	}	1051	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1052	};
		1053
		1054	undef $guard;
788	}	1055	}
789		1056
790	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
792		1059
…		…
798	sub object_thawer_load {	1065	sub object_thawer_load {
799	my ($filename) = @_;	1066	my ($filename) = @_;
800		1067
801	my ($data, $av);	1068	my ($data, $av);
802		1069
803	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1071
806	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
807	or return;	1073	or return;
808		1074
809	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
811	or return;	1077	or return;
		1078
		1079	undef $guard;
812	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1081	}
814		1082
815	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
817	return ($data, $av);	1086	($data, $av)
818	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
819		1094
820	#############################################################################	1095	#############################################################################
821	# command handling &c	1096	# command handling &c
822		1097
823	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1112	}
838		1113
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1115
841	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
842		1121
843	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
844	called.	1123	called.
845		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
846	=cut	1136	=cut
847		1137
848	sub register_extcmd {	1138	sub register_extcmd {
849	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
850		1140
851	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
852	}	1148	}
853		1149
854	cf::player->attach (	1150	cf::player->attach (
855	on_command => sub {	1151	on_command => sub {
856	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1161	cf::override;
866	},	1162	},
867	on_extcmd => sub {	1163	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
869		1165
870	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1167
872	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
878	} else {	1183	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1185	}
881		1186
882	cf::override;	1187	cf::override;
883	},	1188	},
884	);	1189	);
885		1190
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
921	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1196	next unless -r $path;
923	eval {	1197
924	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
925	1	1255	}
926	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
927	}	1261	};
928	}	1262	}
929		1263
930	#############################################################################	1264	#############################################################################
931		1265
		1266	=back
		1267
932	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
933		1269
934	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
935		1271
936	=cut	1272	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
949		1285
950	=cut	1286	=cut
951		1287
952	sub playerdir($) {	1288	sub playerdir($) {
953	cf::localdir	1289	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1291	}
959		1292
960	sub path($) {	1293	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1295
963	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
964	}	1297	}
965		1298
966	sub find_active($) {	1299	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1314	my $login = $_[0];
982		1315
983	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
984		1317
985	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
987	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
989	}	1335	}
990	}	1336	}
991	}	1337	}
992		1338
…		…
1002		1348
1003	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1005		1351
1006	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1007	Coro::cede;	1353	cf::cede_to_tick;
1008	}	1354	}
1009		1355
1010	sub new($) {	1356	sub new($) {
1011	my ($login) = @_;	1357	my ($login) = @_;
1012		1358
…		…
1018	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1019		1365
1020	$self	1366	$self
1021	}	1367	}
1022		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1023	=item $pl->quit_character	1379	=item $pl->quit_character
1024		1380
1025	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1027		1383
1028	=cut	1384	=cut
1029		1385
1030	sub quit_character {	1386	sub quit_character {
1031	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1032		1390
1033	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1393
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1046	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1047	}	1425	}
1048		1426
1049	=item cf::player::list_logins	1427	=item cf::player::list_logins
1050		1428
1051	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1053		1431
1054	=cut	1432	=cut
1055		1433
1056	sub list_logins {	1434	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1436	or return [];
1059		1437
1060	my @logins;	1438	my @logins;
1061		1439
1062	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1066		1449
1067	utf8::decode $login;	1450	utf8::decode $login;
1068	push @logins, $login;	1451	push @logins, $login;
1069	}	1452	}
1070		1453
…		…
1078		1461
1079	=cut	1462	=cut
1080		1463
1081	sub maps($) {	1464	sub maps($) {
1082	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1468
1084	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1085	or return;	1470	or return;
1086		1471
1087	my @paths;	1472	my @paths;
…		…
1089	for (@$files) {	1474	for (@$files) {
1090	utf8::decode $_;	1475	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1093		1478
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1479	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1480	}
1096		1481
1097	\@paths	1482	\@paths
1098	}	1483	}
1099		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1101		1537
1102	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1103		1539
1104	=cut	1540	=cut
1105		1541
1106	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1108		1544
1109	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1546	}
1113		1547
1114	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1115		1588
1116	=back	1589	=back
1117
1118		1590
1119	=head3 cf::map	1591	=head3 cf::map
1120		1592
1121	=over 4	1593	=over 4
1122		1594
…		…
1177	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1178		1650
1179	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1180	local $self->{path};	1652	local $self->{path};
1181	local $self->{load_path};	1653	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1654
1185	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1186	}	1656	}
1187		1657
1188	sub normalise {	1658	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1236	return $self;	1706	return $self;
1237	}	1707	}
1238	}	1708	}
1239		1709
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1711	()
1242	}	1712	}
1243		1713
1244	sub init {	1714	sub init {
1245	my ($self) = @_;	1715	my ($self) = @_;
…		…
1260		1730
1261	# the original (read-only) location	1731	# the original (read-only) location
1262	sub load_path {	1732	sub load_path {
1263	my ($self) = @_;	1733	my ($self) = @_;
1264		1734
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1266	}	1736	}
1267		1737
1268	# the temporary/swap location	1738	# the temporary/swap location
1269	sub save_path {	1739	sub save_path {
1270	my ($self) = @_;	1740	my ($self) = @_;
1271		1741
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1274	}	1744	}
1275		1745
1276	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1277	sub uniq_path {	1747	sub uniq_path {
1278	my ($self) = @_;	1748	my ($self) = @_;
1279		1749
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1282	}	1752	}
1283		1753
1284	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1285	# all maps in C++...	1755	# all maps in C++...
1286	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1288		1758
1289	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1291	}	1761	}
1292		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1293	sub unlink_save {	1771	sub unlink_save {
1294	my ($self) = @_;	1772	my ($self) = @_;
1295		1773
1296	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1777	}
1305		1778
1306	sub load_header_from($) {	1779	sub load_header_from($) {
1307	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1308		1781
1309	utf8::encode $path;	1782	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1315		1791
1316	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1317		1793
1318	1	1794	1
1319	}	1795	}
…		…
1358	$self->load_header_orig	1834	$self->load_header_orig
1359	or return;	1835	or return;
1360	$self->prepare_orig;	1836	$self->prepare_orig;
1361	}	1837	}
1362		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1363	1	1845	1
1364	}	1846	}
1365		1847
1366	sub find;	1848	sub find;
1367	sub find {	1849	sub find {
1368	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1369		1851
1370	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1371		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1373		1856
1374	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1376	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1377	or return;	1862	or return;
1378		1863
1379	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1380		1865
1381	$map->load_header	1866	$map->load_header
1382	or return;	1867	or return;
1383		1868
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1387	$map->reset;	1874	$map->reset;
1388	undef $guard;
1389	return find $path;	1875	return find $path;
1390	}	1876	}
1391		1877
1392	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1393	}	1879	}
…		…
1400	my ($self) = @_;	1886	my ($self) = @_;
1401		1887
1402	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1403		1889
1404	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1406		1894
		1895	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1897
1409	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1410		1899
1411	$self->alloc;	1900	$self->alloc;
1412		1901
1413	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1414		1904
1415	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1416	or return;	1908	or return;
1417		1909
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1911	if delete $self->{load_original};
1420		1912
1421	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1914	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1917	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1426	}	1921	}
1427	}	1922	}
1428		1923
1429	Coro::cede;	1924	$f->resolve_delayed_derefs;
1430		1925
		1926	cf::cede_to_tick;
1431	# now do the right thing for maps	1927	# now do the right thing for maps
1432	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1930	unless $self->difficulty;
1442	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1443	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1947	}
1445		1948
1446	$self->post_load;	1949	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1950	}
1450		1951
1451	sub customise_for {	1952	sub customise_for {
1452	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1453		1954
1454	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1956	if $self->per_player;
1456		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1457	$self	1961	$self
1458	}	1962	}
1459		1963
1460	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1965	sub load_neighbours {
1462	my ($map) = @_;	1966	my ($map) = @_;
1463		1967
1464	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1465		1969
1466	for (0 .. 3) {	1970	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1468	or next;	1972	or next;
1469	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1470	or next;	1974	or next;
1471	$neigh->load;	1975	$neigh->load;
1472		1976
		1977	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	1980	}
1476		1981
1477	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1479	or next;	1985	or next;
1480	$neigh->load;	1986	$neigh->load;
1481	}	1987	}
1482	}	1988	}
1483		1989
…		…
1488	}	1994	}
1489		1995
1490	sub do_load_sync {	1996	sub do_load_sync {
1491	my ($map) = @_;	1997	my ($map) = @_;
1492		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1493	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1494	}	2003	}
1495		2004
1496	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1498		2007
1499	sub find_async {	2008	sub find_async {
1500	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1501		2010
1502	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1503		2012
1504	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2015	}
1507		2016
1508	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1509	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2022	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2023	$map->load if $v;
		2024	}
1515		2025
1516	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1517	}	2027	}
1518	}	2028	}
1519	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1520	};	2030	};
1521	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2034	}
1525		2035
1526	sub save {	2036	sub save {
1527	my ($self) = @_;	2037	my ($self) = @_;
1528		2038
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2040
1531	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1532		2042
1533	return unless $self->dirty;	2043	return unless $self->dirty;
1534		2044
…		…
1557	my ($self) = @_;	2067	my ($self) = @_;
1558		2068
1559	# save first because save cedes	2069	# save first because save cedes
1560	$self->save;	2070	$self->save;
1561		2071
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2073
1564	return if $self->players;	2074	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2076	return if $self->{deny_save};
1567		2077
		2078	$self->deactivate;
1568	$self->clear;	2079	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2081	}
1571		2082
1572	sub reset_at {	2083	sub reset_at {
1573	my ($self) = @_;	2084	my ($self) = @_;
1574		2085
1575	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1578		2088
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2091
…		…
1592	my ($self) = @_;	2102	my ($self) = @_;
1593		2103
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2105
1596	return if $self->players;	2106	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2107
1599	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1600		2119
1601	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1602		2121
1603	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1604	$self->clear;	2123	$self->clear;
1605		2124
1606	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1607		2126
1608	$self->unlink_save;	2127	$self->unlink_save;
…		…
1612	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1613		2132
1614	sub nuke {	2133	sub nuke {
1615	my ($self) = @_;	2134	my ($self) = @_;
1616		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1617	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1618		2140
1619	$self->unlink_save;	2141	$self->unlink_save;
1620		2142
1621	bless $self, "cf::map";	2143	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2148
1627	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1628		2151
1629	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1630	}	2189	}
1631		2190
1632	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1633		2192
1634	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2194	instantiated unique items. May block.
1636		2195
1637	=cut	2196	=cut
1638		2197
1639	sub unique_maps() {	2198	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1641	or return;	2200	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2201	utf8::decode $_;
1647	next if /\.pst$/;	2202	/\.map$/
1648	next unless /^$PATH_SEP/o;	2203	? normalise $_
1649		2204	: ()
1650	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2206	]
1652
1653	\@paths
1654	}	2207	}
1655		2208
1656	package cf;	2209	package cf;
1657		2210
1658	=back	2211	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1677	}	2230	}
1678		2231
1679	sub inv_recursive {	2232	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1681	}	2265	}
1682		2266
1683	package cf;	2267	package cf;
1684		2268
1685	=back	2269	=back
…		…
1704		2288
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2290
1707	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1709	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1712	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1713	}	2316	}
1714		2317
1715	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1716		2319
1717	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1765		2368
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2370
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1770		2373
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2375	}
1773		2376
1774	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1776		2381
1777	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1778		2383
1779	unless ($map) {	2384	unless ($map) {
1780	# restore original map position	2385	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1797		2402
1798	$map->load;	2403	$map->load;
1799	$map->load_diag;	2404	$map->load_neighbours;
1800		2405
1801	return unless $self->contr->active;	2406	return unless $self->contr->active;
1802	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1804	}	2411	}
1805		2412
1806	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2414
1810	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1814	};	2419	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2420
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1841		2424
1842	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2430
1845	$self->enter_link;	2431	$self->enter_link;
1846		2432
1847	(async {	2433	(async {
1848	my $map = eval {	2434	my $map = eval {
1849	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1851	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2450	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1856	})->prio (1);	2458	})->prio (1);
1857	}	2459	}
1858		2460
1859	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1860		2462
…		…
1899		2501
1900	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1901		2503
1902	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1905		2507
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2510	undef $fh;
1909	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1918		2520
1919	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1920		2522
1921	if ($exit->slaying eq "/!") {	2523	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2527	cf::sync_job { prepare_random_map $exit };
1924	}	2528	}
1925		2529
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
1929		2533
1930	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1931		2539
1932	(async {	2540	(async {
1933	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2542	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
1936		2544
1937	1;	2545	1;
1938	}) {	2546	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2551
1944	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2553	$self->leave_link;
1946	}	2554	}
1947	})->prio (1);	2555	})->prio (1);
…		…
1960		2568
1961	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1963		2571
1964	utf8::encode $text;	2572	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2574	}
1967		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1968		2691
1969	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1970		2693
1971	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2697
1975	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2699	become reliable at some point in the future.
1977		2700
1978	=cut	2701	=cut
1979		2702
1980	sub cf::client::query {	2703	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2712	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2714
1992	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1994	}	2719	}
1995		2720
1996	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1997	on_reply => sub {	2727	on_reply => sub {
1998	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1999		2729
2000	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2001	# get handled first	2731	# get handled first
2002	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2734
2005	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2737
2007	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
2008		2739
2009	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2741	if (@$queue) {
…		…
2012	} else {	2743	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2745	}
2015	}	2746	}
2016	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2017	);	2774	);
2018		2775
2019	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2020		2777
2021	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2064		2821
2065	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2066		2823
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2068		2829
2069	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2070		2831
2071	=pod	2832	=pod
2072		2833
2073	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2074		2835
2075	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2076	cf::object::player player	2840	cf::object::player
2077	cf::player peaceful	2841	player
2078	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2079		2848
2080	=cut	2849	=cut
2081		2850
2082	for (	2851	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2087	) {	2858	) {
2088	no strict 'refs';	2859	no strict 'refs';
…		…
2159	=back	2930	=back
2160		2931
2161	=cut	2932	=cut
2162		2933
2163	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2164		2936
2165	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2166		2939
2167	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2169	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		2943
2171	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		2945
2174	=over 4	2946	warn "loading facedata from $path\n";
2175		2947
2176	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2177		2951
2178	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		2953
2182	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		2956
2184	Returns a single value from the database	2957	# patch in the exptable
2185		2958	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2187		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2961	};
		2962	cf::cede_to_tick;
2214		2963
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2226		2966
2227	my $dirty;	2967	while (my ($face, $info) = each %$faces) {
		2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
		2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		2973
2229	sub db_sync() {	2974	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2975	}
2268	);
2269	}
2270		2976
2271	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2273		2987
2274	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3115	or return;
2277		3116
2278	local $/;	3117	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2280		3119
…		…
2299	(async {	3138	(async {
2300	Event::one_event;	3139	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2302	};	3141	};
2303		3142
2304	cfg_load;	3143	reload_config;
2305	db_load;	3144	db_init;
2306	load_extensions;	3145	load_extensions;
2307		3146
2308	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2309	Event::loop;	3148	Event::loop;
2310	}	3149	}
…		…
2325	},	3164	},
2326	);	3165	);
2327	}	3166	}
2328	}	3167	}
2329		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2330	sub emergency_save() {	3207	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2332		3209
2333	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2334		3211
…		…
2349	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3227	$map->valid or next;
2351	$map->save;	3228	$map->save;
2352	}	3229	}
2353	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2354	};	3235	};
2355		3236
2356	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2357	}	3238	}
2358		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2359	sub reload() {	3247	sub do_reload_perl() {
2360	# can/must only be called in main	3248	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2363	return;	3251	return;
2364	}	3252	}
2365		3253
2366	warn "reloading...";	3254	warn "reloading...";
2367		3255
2368	warn "cancelling server ticker";	3256	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2372		3262
2373	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2374	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3267
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3271	}
2383		3272
2384	warn "flushing outstanding aio requests";	3273	warn "flushing outstanding aio requests";
2385	for (;;) {	3274	for (;;) {
		3275	BDB::flush;
2386	IO::AIO::flush;	3276	IO::AIO::flush;
2387	Coro::cede;	3277	Coro::cede;
2388	last unless IO::AIO::nreqs;	3278	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3279	warn "iterate...";
2390	}	3280	}
		3281
		3282	++$RELOAD;
2391		3283
2392	warn "cancelling all extension coros";	3284	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3286	%EXT_CORO = ();
2395		3287
2396	warn "removing commands";	3288	warn "removing commands";
2397	%COMMAND = ();	3289	%COMMAND = ();
2398		3290
2399	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2401		3294
2402	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2405		3298
…		…
2435	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3330
2438	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2440		3334
2441	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3336	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2444		3338
…		…
2447	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2448	require cf;	3342	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3344
2451	warn "loading config and database again";	3345	warn "loading config and database again";
2452	cf::cfg_load;	3346	cf::reload_config;
2453	cf::db_load;
2454		3347
2455	warn "loading extensions";	3348	warn "loading extensions";
2456	cf::load_extensions;	3349	cf::load_extensions;
2457		3350
2458	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3352	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
		3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2462		3357
2463	warn "restarting server ticker";	3358	warn "leaving sync_job";
2464		3359
2465	$TICK_WATCHER->start;	3360	1
2466	};	3361	} or do {
2467
2468	if ($@) {
2469	warn $@;	3362	warn $@;
2470	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2471	exit 1;	3364	exit 1;
2472	}	3365	};
2473		3366
2474	warn "reloaded";	3367	warn "reloaded";
2475	};	3368	};
2476		3369
2477	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2478		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2479	register_command "reload" => sub {	3387	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2481		3389
2482	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2484		3392	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3393	}
2498	};	3394	};
2499		3395
2500	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2501		3397
2502	my $bug_warning = 0;	3398	my $bug_warning = 0;
2503		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3424	reentrant => 0,
2506	parked => 1,	3425	parked => 1,
2507	prio => 0,	3426	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2514	return;	3433	return;
2515	}	3434	}
2516		3435
2517	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2518		3437
2519	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2520	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2522		3465
2523	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3468	Coro::async_pool {
2526	Event::sweep;	3469	write_runtime
2527	Coro::cede_notself;	3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
2528		3472	}
		3473
2529	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2531		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2532	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3488
2535	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2537	},	3498	},
2538	);	3499	);
2539		3500
		3501	{
		3502	BDB::max_poll_time $TICK * 0.1;
		3503	$BDB_POLL_WATCHER = Event->io (
		3504	reentrant => 0,
		3505	fd => BDB::poll_fileno,
		3506	poll => 'r',
		3507	prio => 0,
		3508	data => WF_AUTOCANCEL,
		3509	cb => \&BDB::poll_cb,
		3510	);
		3511	BDB::min_parallel 8;
		3512
		3513	BDB::set_sync_prepare {
		3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
		3547	};
		3548	}
		3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3555	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3559	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3560	poll => 'r',
2547	prio => 6,	3561	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2550	);	3563	);
		3564	}
2551		3565
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3566	my $_log_backtrace;
2553	reentrant => 0,	3567
2554	data => WF_AUTOCANCEL,	3568	sub _log_backtrace {
2555	after => 1,	3569	my ($msg, @addr) = @_;
2556	interval => 10,	3570
2557	prio => 6, # keep it lowest so it acts like a watchdog	3571	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3572
2559	write_runtime	3573	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3601	}
2562	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2563		3606
2564	END { cf::emergency_save }	3607	END { cf::emergency_save }
2565		3608
2566	1	3609	1
2567		3610

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