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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		191
142	LOG llevError, $msg;	192	LOG llevError, $msg;
143	};	193	};
144	}	194	}
145		195
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		203
153	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	205	# within the Safe compartment.
155	for my $pkg (qw(	206	for my $pkg (qw(
156	cf::global cf::attachable	207	cf::global cf::attachable
…		…
164	}	215	}
165		216
166	$Event::DIED = sub {	217	$Event::DIED = sub {
167	warn "error in event callback: @_";	218	warn "error in event callback: @_";
168	};	219	};
		220
		221	#############################################################################
169		222
170	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
171		224
172	=over 4	225	=over 4
173		226
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	246	$d
194	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
195	}	248	}
196		249
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
200		251
201	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
202		253
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
211		255
212	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
213		257
214	=cut	258	=cut
215		259
216	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
218	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
227	Wait until the given lock is available and then acquires it and returns	271	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,	272	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	273	for example when the coroutine gets canceled), the lock is automatically
230	returned.	274	returned.
231		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
232	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
234		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
235	=cut	286	=cut
236		287
237	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
238		290
239	sub lock_wait($) {	291	sub lock_wait($) {
240	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
241		298
242	# wait for lock, if any	299	# wait for lock, if any
243	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	302	Coro::schedule;
…		…
251		308
252	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
253	lock_wait $key;	310	lock_wait $key;
254		311
255	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
256		314
257	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
260	}	319	}
261	}	320	}
262		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
263	sub freeze_mainloop {	328	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
265		330
266	my $guard = Coro::guard {	331	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	332	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	333	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
272	$guard	335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
273	}	392	}
274		393
275	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
276		395
277	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		401
283	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
284		403
285	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
286		405
287	The design of crossfire+ requires that the main coro ($Coro::main) is	406	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	407	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.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
290		410
291	If it must be done, put the blocking parts into C<sync_job>. This will run	411	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	412	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	413	server will be frozen during this time, so the block should either finish
294	fast or be very important.	414	fast or be very important.
…		…
297		417
298	sub sync_job(&) {	418	sub sync_job(&) {
299	my ($job) = @_;	419	my ($job) = @_;
300		420
301	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
302	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
304		426
305	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
317		439
318	while ($busy) {	440	while ($busy) {
319	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
320	}	442	}
321		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
322	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
323	} else {	452	} else {
324	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
325		454
326	$job->()	455	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
346		475
347	$coro	476	$coro
348	}	477	}
349		478
350	sub write_runtime {	479	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		480
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
354	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
355		485
356	my $value = $cf::RUNTIME + 90 + 10;	486	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		487
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	488	sub fork_call(&@) {
361	and return;	489	my ($cb, @args) = @_;
362		490
363	aio_fsync $fh	491	# we seemingly have to make a local copy of the whole thing,
364	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
365		494
366	close $fh	495	my @res = Coro::Util::fork_eval {
367	or return;	496	reset_signals;
		497	&$cb
		498	}, @args;
368		499
369	aio_rename "$runtime~", $runtime	500	wantarray ? @res : $res[-1]
370	and return;	501	}
371		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
372	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	628	}
374		629
375	=back	630	=back
376		631
377	=cut	632	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
386		641
387	In the following description, CLASS can be any of C<global>, C<object>	642	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	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	644	Crossfire TRT).
390		645
391	=over 4	646	=over 4
392		647
393	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
394		649
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
558		813
559	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		818
564	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	820	my $pkg = shift @arg;
566		821
567	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
597	}	852	}
598		853
599	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
600	} else {	855	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	857	}
603		858
604	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
605	}	860	}
606		861
…		…
608	if (ref $_[0]) {	863	if (ref $_[0]) {
609	_object_attach @_;	864	_object_attach @_;
610	} else {	865	} else {
611	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
612	}	867	}
		868	_recalc_want;
613	};	869	};
614		870
615	# all those should be optimised	871	# all those should be optimised
616	sub cf::attachable::detach {	872	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
621	reattach ($obj);	877	reattach ($obj);
622	} else {	878	} else {
623	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
624	}	880	}
		881	_recalc_want;
625	};	882	};
626		883
627	sub cf::attachable::attached {	884	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
629		886
…		…
644	";	901	";
645	die if $@;	902	die if $@;
646	}	903	}
647		904
648	our $override;	905	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		907
651	sub override {	908	sub override {
652	$override = 1;	909	$override = 1;
653	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
654	}	911	}
655		912
656	sub do_invoke {	913	sub do_invoke {
657	my $event = shift;	914	my $event = shift;
658	my $callbacks = shift;	915	my $callbacks = shift;
659		916
660	@invoke_results = ();	917	@INVOKE_RESULTS = ();
661		918
662	local $override;	919	local $override;
663		920
664	for (@$callbacks) {	921	for (@$callbacks) {
665	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
682		939
683	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
684		941
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	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	943	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		945
689	=back	946	=back
690		947
691	=cut	948	=cut
692		949
693	#############################################################################	950	#############################################################################
694	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
695		963
696	sub reattach {	964	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	966	my ($obj) = @_;
699		967
…		…
744	);	1012	);
745		1013
746	sub object_freezer_save {	1014	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
748		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
749	sync_job {	1019	sync_job {
750	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1023	$decname, 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	}	1052	};
		1053
		1054	undef $guard;
782	}	1055	}
783		1056
784	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
786		1059
…		…
791		1064
792	sub object_thawer_load {	1065	sub object_thawer_load {
793	my ($filename) = @_;	1066	my ($filename) = @_;
794		1067
795	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
796		1071
797	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
798	or return;	1073	or return;
799		1074
800	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
802	or return;	1077	or return;
		1078
		1079	undef $guard;
803	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1081	}
805		1082
		1083	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
808	return ($data, $av);	1087	($data, $av)
809	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
810		1095
811	#############################################################################	1096	#############################################################################
812	# command handling &c	1097	# command handling &c
813		1098
814	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1113	}
829		1114
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1116
832	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
833		1122
834	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
835	called.	1124	called.
836		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
837	=cut	1137	=cut
838		1138
839	sub register_extcmd {	1139	sub register_extcmd {
840	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
841		1141
842	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
843	}	1149	}
844		1150
845	cf::player->attach (	1151	cf::player->attach (
846	on_command => sub {	1152	on_command => sub {
847	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1162	cf::override;
857	},	1163	},
858	on_extcmd => sub {	1164	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
860		1166
861	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1168
863	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
869	} else {	1184	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1186	}
872		1187
873	cf::override;	1188	cf::override;
874	},	1189	},
875	);	1190	);
876		1191
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
912	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1197	next unless -r $path;
914	eval {	1198
915	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
916	1	1256	}
917	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
918	}	1262	};
919	}	1263	}
920		1264
921	#############################################################################	1265	#############################################################################
922		1266
		1267	=back
		1268
923	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
924		1270
925	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
926		1272
927	=cut	1273	=cut
…		…
932		1278
933	=head3 cf::player	1279	=head3 cf::player
934		1280
935	=over 4	1281	=over 4
936		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
937	=item cf::player::find $login	1297	=item cf::player::find $login
938		1298
939	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
940		1300
941	=cut	1301	=cut
942		1302
943	sub playerdir($) {	1303	sub playerdir($) {
944	cf::localdir	1304	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1306	}
950		1307
951	sub path($) {	1308	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1310
954	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
955	}	1312	}
956		1313
957	sub find_active($) {	1314	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1329	my $login = $_[0];
973		1330
974	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
975		1332
976	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
978	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
980	}	1350	}
981	}	1351	}
982	}	1352	}
983		1353
…		…
993		1363
994	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
996		1366
997	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
998	Coro::cede;	1368	cf::cede_to_tick;
999	}	1369	}
1000		1370
1001	sub new($) {	1371	sub new($) {
1002	my ($login) = @_;	1372	my ($login) = @_;
1003		1373
…		…
1009	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1010		1380
1011	$self	1381	$self
1012	}	1382	}
1013		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
1014	=item $pl->quit_character	1394	=item $pl->quit_character
1015		1395
1016	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1018		1398
1019	=cut	1399	=cut
1020		1400
1021	sub quit_character {	1401	sub quit_character {
1022	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1023		1405
1024	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1408
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
1037	IO::AIO::aio_rmtree $temp;	1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
1038	}	1440	}
1039		1441
1040	=item cf::player::list_logins	1442	=item cf::player::list_logins
1041		1443
1042	Returns am arrayref of all valid playernames in the system, can take a	1444	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1044		1446
1045	=cut	1447	=cut
1046		1448
1047	sub list_logins {	1449	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1451	or return [];
1050		1452
1051	my @logins;	1453	my @logins;
1052		1454
1053	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1057		1464
1058	utf8::decode $login;	1465	utf8::decode $login;
1059	push @logins, $login;	1466	push @logins, $login;
1060	}	1467	}
1061		1468
…		…
1069		1476
1070	=cut	1477	=cut
1071		1478
1072	sub maps($) {	1479	sub maps($) {
1073	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1483
1075	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1076	or return;	1485	or return;
1077		1486
1078	my @paths;	1487	my @paths;
…		…
1080	for (@$files) {	1489	for (@$files) {
1081	utf8::decode $_;	1490	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1492	next unless /^$PATH_SEP/o;
1084		1493
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1494	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1495	}
1087		1496
1088	\@paths	1497	\@paths
1089	}	1498	}
1090		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1092		1552
1093	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1094		1554
1095	=cut	1555	=cut
1096		1556
1097	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1099		1559
1100	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1561	}
1104		1562
1105	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1106		1603
1107	=back	1604	=back
1108
1109		1605
1110	=head3 cf::map	1606	=head3 cf::map
1111		1607
1112	=over 4	1608	=over 4
1113		1609
…		…
1168	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1169		1665
1170	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1171	local $self->{path};	1667	local $self->{path};
1172	local $self->{load_path};	1668	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1669
1176	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1177	}	1671	}
1178		1672
1179	sub normalise {	1673	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1227	return $self;	1721	return $self;
1228	}	1722	}
1229	}	1723	}
1230		1724
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1726	()
1233	}	1727	}
1234		1728
1235	sub init {	1729	sub init {
1236	my ($self) = @_;	1730	my ($self) = @_;
…		…
1251		1745
1252	# the original (read-only) location	1746	# the original (read-only) location
1253	sub load_path {	1747	sub load_path {
1254	my ($self) = @_;	1748	my ($self) = @_;
1255		1749
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1257	}	1751	}
1258		1752
1259	# the temporary/swap location	1753	# the temporary/swap location
1260	sub save_path {	1754	sub save_path {
1261	my ($self) = @_;	1755	my ($self) = @_;
1262		1756
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1265	}	1759	}
1266		1760
1267	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1268	sub uniq_path {	1762	sub uniq_path {
1269	my ($self) = @_;	1763	my ($self) = @_;
1270		1764
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1273	}	1767	}
1274		1768
1275	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1276	# all maps in C++...	1770	# all maps in C++...
1277	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1279		1773
1280	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1282	}	1776	}
1283		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1284	sub unlink_save {	1786	sub unlink_save {
1285	my ($self) = @_;	1787	my ($self) = @_;
1286		1788
1287	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1793
1292	sub load_header_from($) {	1794	sub load_header_from($) {
1293	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1294		1796
1295	utf8::encode $path;	1797	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1297	or return;	1799	or return;
1298		1800
1299	$self->_load_header ($path)	1801	$self->_load_header ($f)
1300	or return;	1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1301		1806
1302	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1303		1808
1304	1	1809	1
1305	}	1810	}
…		…
1344	$self->load_header_orig	1849	$self->load_header_orig
1345	or return;	1850	or return;
1346	$self->prepare_orig;	1851	$self->prepare_orig;
1347	}	1852	}
1348		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
1349	1	1860	1
1350	}	1861	}
1351		1862
1352	sub find;	1863	sub find;
1353	sub find {	1864	sub find {
1354	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1355		1866
1356	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1357		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1359		1871
1360	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1362	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1363	or return;	1877	or return;
1364		1878
1365	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1366		1880
1367	$map->load_header	1881	$map->load_header
1368	or return;	1882	or return;
1369		1883
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1373	$map->reset;	1889	$map->reset;
1374	undef $guard;
1375	return find $path;	1890	return find $path;
1376	}	1891	}
1377		1892
1378	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1379	}	1894	}
…		…
1386	my ($self) = @_;	1901	my ($self) = @_;
1387		1902
1388	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1389		1904
1390	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1392		1909
		1910	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1912
1395	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1396		1914
1397	$self->alloc;	1915	$self->alloc;
1398		1916
1399	$self->pre_load;	1917	$self->pre_load;
		1918	cf::cede_to_tick;
1400		1919
1401	$self->_load_objects ($self->{load_path}, 1)	1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1402	or return;	1923	or return;
1403		1924
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1926	if delete $self->{load_original};
1406		1927
1407	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1929	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1932	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1412	}	1936	}
1413	}	1937	}
1414		1938
1415	Coro::cede;	1939	$f->resolve_delayed_derefs;
1416		1940
		1941	cf::cede_to_tick;
1417	# now do the right thing for maps	1942	# now do the right thing for maps
1418	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1945	unless $self->difficulty;
1428	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1429	$self->activate;	1955	$self->activate;
		1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
		1961	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1962	}
1431		1963
1432	$self->post_load;	1964	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1965	}
1436		1966
1437	sub customise_for {	1967	sub customise_for {
1438	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1439		1969
1440	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1971	if $self->per_player;
1442		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1443	$self	1976	$self
1444	}	1977	}
1445		1978
1446	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1980	sub load_neighbours {
1448	my ($map) = @_;	1981	my ($map) = @_;
1449		1982
1450	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1451		1984
1452	for (0 .. 3) {	1985	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1454	or next;	1987	or next;
1455	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1456	or next;	1989	or next;
1457	$neigh->load;	1990	$neigh->load;
1458		1991
		1992	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	1995	}
1462		1996
1463	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1465	or next;	2000	or next;
1466	$neigh->load;	2001	$neigh->load;
1467	}	2002	}
1468	}	2003	}
1469		2004
…		…
1474	}	2009	}
1475		2010
1476	sub do_load_sync {	2011	sub do_load_sync {
1477	my ($map) = @_;	2012	my ($map) = @_;
1478		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1479	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1480	}	2018	}
1481		2019
1482	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1484		2022
1485	sub find_async {	2023	sub find_async {
1486	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1487		2025
1488	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1489		2027
1490	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2030	}
1493		2031
1494	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1495	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2037	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2038	$map->load if $v;
		2039	}
1501		2040
1502	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1503	}	2042	}
1504	}	2043	}
1505	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1506	};	2045	};
1507	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2049	}
1511		2050
1512	sub save {	2051	sub save {
1513	my ($self) = @_;	2052	my ($self) = @_;
1514		2053
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2055
1517	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1518		2057
1519	return unless $self->dirty;	2058	return unless $self->dirty;
1520		2059
…		…
1543	my ($self) = @_;	2082	my ($self) = @_;
1544		2083
1545	# save first because save cedes	2084	# save first because save cedes
1546	$self->save;	2085	$self->save;
1547		2086
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2088
1550	return if $self->players;	2089	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2091	return if $self->{deny_save};
1553		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2097	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2098	}
1557		2099
1558	sub reset_at {	2100	sub reset_at {
1559	my ($self) = @_;	2101	my ($self) = @_;
1560		2102
1561	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1564		2105
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2108
…		…
1578	my ($self) = @_;	2119	my ($self) = @_;
1579		2120
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2122
1582	return if $self->players;	2123	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2124
1585	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1586		2136
1587	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1588		2138
1589	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2141	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2142
1594	$self->unlink_save;	2143	$self->unlink_save;
1595	$self->destroy;	2144	$self->destroy;
1596	}	2145	}
1597		2146
1598	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1599		2148
1600	sub nuke {	2149	sub nuke {
1601	my ($self) = @_;	2150	my ($self) = @_;
1602		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1603	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1604		2156
1605	$self->unlink_save;	2157	$self->unlink_save;
1606		2158
1607	bless $self, "cf::map";	2159	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2164
1613	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1614		2167
1615	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1616	}	2205	}
1617		2206
1618	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1619		2208
1620	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2210	instantiated unique items. May block.
1622		2211
1623	=cut	2212	=cut
1624		2213
1625	sub unique_maps() {	2214	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1627	or return;	2216	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2217	utf8::decode $_;
1633	next if /\.pst$/;	2218	/\.map$/
1634	next unless /^$PATH_SEP/o;	2219	? normalise $_
1635		2220	: ()
1636	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2222	]
1638
1639	\@paths
1640	}	2223	}
1641		2224
1642	package cf;	2225	package cf;
1643		2226
1644	=back	2227	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1663	}	2246	}
1664		2247
1665	sub inv_recursive {	2248	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1667	}	2281	}
1668		2282
1669	package cf;	2283	package cf;
1670		2284
1671	=back	2285	=back
…		…
1690		2304
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2306
1693	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1695	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1698	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1699	}	2332	}
1700		2333
1701	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1702		2335
1703	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1751		2384
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2386
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1756		2389
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2391	}
1759		2392
1760	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1762		2397
1763	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1764		2399
1765	unless ($map) {	2400	unless ($map) {
1766	# restore original map position	2401	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1783		2418
1784	$map->load;	2419	$map->load;
1785	$map->load_diag;	2420	$map->load_neighbours;
1786		2421
1787	return unless $self->contr->active;	2422	return unless $self->contr->active;
1788	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1790	}	2427	}
1791		2428
1792	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2430
1796	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1800	};	2435	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2436
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1827		2440
1828	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2446
1831	$self->enter_link;	2447	$self->enter_link;
1832		2448
1833	(async {	2449	(async {
1834	my $map = eval {	2450	my $map = eval {
1835	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1837	$map	2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2466	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1842	})->prio (1);	2474	})->prio (1);
1843	}	2475	}
1844		2476
1845	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1846		2478
…		…
1885		2517
1886	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1887		2519
1888	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2522	my $meta = "$RANDOMDIR/$md5.meta";
1891		2523
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2526	undef $fh;
1895	aio_rename "$meta~", $meta;	2527	aio_rename "$meta~", $meta;
…		…
1904		2536
1905	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1906		2538
1907	if ($exit->slaying eq "/!") {	2539	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2543	cf::sync_job { prepare_random_map $exit };
1910	}	2544	}
1911		2545
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
1915		2549
1916	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1917		2555
1918	(async {	2556	(async {
1919	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2558	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
1922		2560
1923	1;	2561	1;
1924	}) {	2562	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2567
1930	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2569	$self->leave_link;
1932	}	2570	}
1933	})->prio (1);	2571	})->prio (1);
…		…
1946		2584
1947	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1949		2587
1950	utf8::encode $text;	2588	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2590	}
1953		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1954		2707
1955	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1956		2709
1957	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2713
1961	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2715	become reliable at some point in the future.
1963		2716
1964	=cut	2717	=cut
1965		2718
1966	sub cf::client::query {	2719	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2728	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2730
1978	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1980	}	2735	}
1981		2736
1982	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1983	on_reply => sub {	2743	on_reply => sub {
1984	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1985		2745
1986	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1987	# get handled first	2747	# get handled first
1988	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2750
1991	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2753
1993	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1994		2755
1995	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2757	if (@$queue) {
…		…
1998	} else {	2759	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2761	}
2001	}	2762	}
2002	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2003	);	2790	);
2004		2791
2005	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2006		2793
2007	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2050		2837
2051	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2052		2839
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2054		2845
2055	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2056		2847
2057	=pod	2848	=pod
2058		2849
2059	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2060		2851
2061	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2062	cf::object::player player	2856	cf::object::player
2063	cf::player peaceful	2857	player
2064	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2065		2864
2066	=cut	2865	=cut
2067		2866
2068	for (	2867	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2073	) {	2874	) {
2074	no strict 'refs';	2875	no strict 'refs';
…		…
2145	=back	2946	=back
2146		2947
2147	=cut	2948	=cut
2148		2949
2149	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2150		2952
2151	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2152		2955
2153	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2155	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		2959
2157	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		2961
2160	=over 4	2962	warn "loading facedata from $path\n";
2161		2963
2162	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2163		2967
2164	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		2969
2168	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		2972
2170	Returns a single value from the database	2973	# patch in the exptable
2171		2974	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2173		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2977	};
		2978	cf::cede_to_tick;
2200		2979
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2212		2982
2213	my $dirty;	2983	while (my ($face, $info) = each %$faces) {
		2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
		2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		2989
2215	sub db_sync() {	2990	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2991	}
2254	);
2255	}
2256		2992
2257	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
2259		3003
2260	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3131	or return;
2263		3132
2264	local $/;	3133	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2266		3135
…		…
2285	(async {	3154	(async {
2286	Event::one_event;	3155	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2288	};	3157	};
2289		3158
2290	cfg_load;	3159	reload_config;
2291	db_load;	3160	db_init;
2292	load_extensions;	3161	load_extensions;
2293		3162
2294	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2295	Event::loop;	3164	Event::loop;
2296	}	3165	}
…		…
2311	},	3180	},
2312	);	3181	);
2313	}	3182	}
2314	}	3183	}
2315		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2316	sub emergency_save() {	3223	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2318		3225
2319	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2320		3227
…		…
2335	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3243	$map->valid or next;
2337	$map->save;	3244	$map->save;
2338	}	3245	}
2339	warn "end emergency map save\n";	3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
2340	};	3251	};
2341		3252
2342	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2343	}	3254	}
2344		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2345	sub reload() {	3263	sub do_reload_perl() {
2346	# can/must only be called in main	3264	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3266	warn "can only reload from main coroutine";
2349	return;	3267	return;
2350	}	3268	}
2351		3269
2352	warn "reloading...";	3270	warn "reloading...";
2353		3271
2354	warn "cancelling server ticker";	3272	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2358		3278
2359	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2360	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3283
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3287	}
2369		3288
2370	warn "flushing outstanding aio requests";	3289	warn "flushing outstanding aio requests";
2371	for (;;) {	3290	for (;;) {
		3291	BDB::flush;
2372	IO::AIO::flush;	3292	IO::AIO::flush;
2373	Coro::cede;	3293	Coro::cede;
2374	last unless IO::AIO::nreqs;	3294	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3295	warn "iterate...";
2376	}	3296	}
		3297
		3298	++$RELOAD;
2377		3299
2378	warn "cancelling all extension coros";	3300	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3302	%EXT_CORO = ();
2381		3303
2382	warn "removing commands";	3304	warn "removing commands";
2383	%COMMAND = ();	3305	%COMMAND = ();
2384		3306
2385	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2387		3310
2388	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2391		3314
…		…
2421	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3346
2424	warn "unloading cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2426		3350
2427	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3352	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2430		3354
…		…
2433	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2434	require cf;	3358	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3360
2437	warn "loading config and database again";	3361	warn "loading config and database again";
2438	cf::cfg_load;	3362	cf::reload_config;
2439	cf::db_load;
2440		3363
2441	warn "loading extensions";	3364	warn "loading extensions";
2442	cf::load_extensions;	3365	cf::load_extensions;
2443		3366
2444	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3368	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3369	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
		3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2448		3373
2449	warn "restarting server ticker";	3374	warn "leaving sync_job";
2450		3375
2451	$TICK_WATCHER->start;	3376	1
2452	};	3377	} or do {
2453
2454	if ($@) {
2455	warn $@;	3378	warn $@;
2456	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2457	exit 1;	3380	exit 1;
2458	}	3381	};
2459		3382
2460	warn "reloaded";	3383	warn "reloaded";
2461	};	3384	};
2462		3385
2463	our $RELOAD_WATCHER; # used only during reload	3386	our $RELOAD_WATCHER; # used only during reload
2464		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2465	register_command "reload" => sub {	3403	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2467		3405
2468	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3407	$who->message ("reloading server.");
2470		3408	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3409	}
2484	};	3410	};
2485		3411
2486	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2487		3413
2488	my $bug_warning = 0;	3414	my $bug_warning = 0;
2489		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3440	reentrant => 0,
2492	parked => 1,	3441	parked => 1,
2493	prio => 0,	3442	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2500	return;	3449	return;
2501	}	3450	}
2502		3451
2503	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2504		3453
2505	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2506	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2508		3481
2509	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3484	Coro::async_pool {
2512	Event::sweep;	3485	write_runtime
2513	Coro::cede_notself;	3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
2514		3488	}
		3489
2515	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2517		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2518	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3504
2521	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2523	},	3514	},
2524	);	3515	);
2525		3516
		3517	{
		3518	BDB::max_poll_time $TICK * 0.1;
		3519	$BDB_POLL_WATCHER = Event->io (
		3520	reentrant => 0,
		3521	fd => BDB::poll_fileno,
		3522	poll => 'r',
		3523	prio => 0,
		3524	data => WF_AUTOCANCEL,
		3525	cb => \&BDB::poll_cb,
		3526	);
		3527	BDB::min_parallel 8;
		3528
		3529	BDB::set_sync_prepare {
		3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
		3563	};
		3564	}
		3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3571	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3572	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3575	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3576	poll => 'r',
2533	prio => 6,	3577	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3578	cb => \&IO::AIO::poll_cb,
2536	);	3579	);
		3580	}
2537		3581
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3582	my $_log_backtrace;
2539	reentrant => 0,	3583
2540	data => WF_AUTOCANCEL,	3584	sub _log_backtrace {
2541	after => 1,	3585	my ($msg, @addr) = @_;
2542	interval => 10,	3586
2543	prio => 6, # keep it lowest so it acts like a watchdog	3587	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3588
2545	write_runtime	3589	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3617	}
2548	);	3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2549		3622
2550	END { cf::emergency_save }	3623	END { cf::emergency_save }
2551		3624
2552	1	3625	1
2553		3626

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