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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.365 by root, Tue Sep 11 13:27:56 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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
127		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$Event::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
271	}	322	}
272		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
276	my $guard = Coro::guard {	333	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	335	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
282	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
283	}	394	}
284		395
285	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
286		397
287	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		403
293	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
294		405
295	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
296		407
297	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
300		412
301	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
304	fast or be very important.	416	fast or be very important.
…		…
307		419
308	sub sync_job(&) {	420	sub sync_job(&) {
309	my ($job) = @_;	421	my ($job) = @_;
310		422
311	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
312	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
314		428
315	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
327		441
328	while ($busy) {	442	while ($busy) {
329	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
330	}	444	}
331		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
332	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
333	} else {	454	} else {
334	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
335		456
336	$job->()	457	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
356		477
357	$coro	478	$coro
358	}	479	}
359		480
360	sub write_runtime {	481	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		482
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
364	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
365		487
366	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		489
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
371	and return;	491	my ($cb, @args) = @_;
372		492
373	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
375	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
376		496
377	close $fh	497	my @res = Coro::Util::fork_eval {
378	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
379		501
380	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
381	and return;	503	}
382		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
383	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	641	}
385		642
386	=back	643	=back
387		644
388	=cut	645	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
397		654
398	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	657	Crossfire TRT).
401		658
402	=over 4	659	=over 4
403		660
404	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
405		662
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
569		826
570	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		831
575	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	833	my $pkg = shift @arg;
577		834
578	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
608	}	865	}
609		866
610	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
611	} else {	868	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	870	}
614		871
615	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
616	}	873	}
617		874
…		…
619	if (ref $_[0]) {	876	if (ref $_[0]) {
620	_object_attach @_;	877	_object_attach @_;
621	} else {	878	} else {
622	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
623	}	880	}
		881	_recalc_want;
624	};	882	};
625		883
626	# all those should be optimised	884	# all those should be optimised
627	sub cf::attachable::detach {	885	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
632	reattach ($obj);	890	reattach ($obj);
633	} else {	891	} else {
634	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
635	}	893	}
		894	_recalc_want;
636	};	895	};
637		896
638	sub cf::attachable::attached {	897	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
640		899
…		…
655	";	914	";
656	die if $@;	915	die if $@;
657	}	916	}
658		917
659	our $override;	918	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		920
662	sub override {	921	sub override {
663	$override = 1;	922	$override = 1;
664	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
665	}	924	}
666		925
667	sub do_invoke {	926	sub do_invoke {
668	my $event = shift;	927	my $event = shift;
669	my $callbacks = shift;	928	my $callbacks = shift;
670		929
671	@invoke_results = ();	930	@INVOKE_RESULTS = ();
672		931
673	local $override;	932	local $override;
674		933
675	for (@$callbacks) {	934	for (@$callbacks) {
676	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
693		952
694	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
695		954
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		958
700	=back	959	=back
701		960
702	=cut	961	=cut
703		962
704	#############################################################################	963	#############################################################################
705	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
706		976
707	sub reattach {	977	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	979	my ($obj) = @_;
710		980
…		…
755	);	1025	);
756		1026
757	sub object_freezer_save {	1027	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
759		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
760	sync_job {	1032	sync_job {
761	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
764		1037
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1060	}
788	} else {	1061	} else {
789	aio_unlink $filename;	1062	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
791	}	1064	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1065	};
		1066
		1067	undef $guard;
799	}	1068	}
800		1069
801	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
803		1072
…		…
809	sub object_thawer_load {	1078	sub object_thawer_load {
810	my ($filename) = @_;	1079	my ($filename) = @_;
811		1080
812	my ($data, $av);	1081	my ($data, $av);
813		1082
814	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1084
817	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
818	or return;	1086	or return;
819		1087
820	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
822	or return;	1090	or return;
		1091
		1092	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1094	}
825		1095
		1096	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
828	return ($data, $av);	1100	($data, $av)
829	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
830		1108
831	#############################################################################	1109	#############################################################################
832	# command handling &c	1110	# command handling &c
833		1111
834	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1126	}
849		1127
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1129
852	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
853		1135
854	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
855	called.	1137	called.
856		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
857	=cut	1150	=cut
858		1151
859	sub register_extcmd {	1152	sub register_extcmd {
860	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
861		1154
862	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
863	}	1162	}
864		1163
865	cf::player->attach (	1164	cf::player->attach (
866	on_command => sub {	1165	on_command => sub {
867	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1175	cf::override;
877	},	1176	},
878	on_extcmd => sub {	1177	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
880		1179
881	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1181
883	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
889	} else {	1197	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1199	}
892		1200
893	cf::override;	1201	cf::override;
894	},	1202	},
895	);	1203	);
896		1204
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
932	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1210	next unless -r $path;
934	eval {	1211
935	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
936	1	1269	}
937	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
938	}	1275	};
939	}	1276	}
940		1277
941	#############################################################################	1278	#############################################################################
942		1279
		1280	=back
		1281
943	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
944		1283
945	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
946		1285
947	=cut	1286	=cut
…		…
952		1291
953	=head3 cf::player	1292	=head3 cf::player
954		1293
955	=over 4	1294	=over 4
956		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
957	=item cf::player::find $login	1310	=item cf::player::find $login
958		1311
959	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
960		1313
961	=cut	1314	=cut
962		1315
963	sub playerdir($) {	1316	sub playerdir($) {
964	cf::localdir	1317	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1319	}
970		1320
971	sub path($) {	1321	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1323
974	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
975	}	1325	}
976		1326
977	sub find_active($) {	1327	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1342	my $login = $_[0];
993		1343
994	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
995		1345
996	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
998	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1000	}	1363	}
1001	}	1364	}
1002	}	1365	}
1003		1366
…		…
1013		1376
1014	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1016		1379
1017	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1018	Coro::cede;	1381	cf::cede_to_tick;
1019	}	1382	}
1020		1383
1021	sub new($) {	1384	sub new($) {
1022	my ($login) = @_;	1385	my ($login) = @_;
1023		1386
…		…
1029	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1030		1393
1031	$self	1394	$self
1032	}	1395	}
1033		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1034	=item $pl->quit_character	1407	=item $pl->quit_character
1035		1408
1036	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1038		1411
1039	=cut	1412	=cut
1040		1413
1041	sub quit_character {	1414	sub quit_character {
1042	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1043		1418
1044	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1421
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1057	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1058	}	1453	}
1059		1454
1060	=item cf::player::list_logins	1455	=item cf::player::list_logins
1061		1456
1062	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1064		1459
1065	=cut	1460	=cut
1066		1461
1067	sub list_logins {	1462	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1464	or return [];
1070		1465
1071	my @logins;	1466	my @logins;
1072		1467
1073	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1077		1477
1078	utf8::decode $login;	1478	utf8::decode $login;
1079	push @logins, $login;	1479	push @logins, $login;
1080	}	1480	}
1081		1481
…		…
1108	}	1508	}
1109		1509
1110	\@paths	1510	\@paths
1111	}	1511	}
1112		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1114		1565
1115	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1116		1567
1117	=cut	1568	=cut
1118		1569
1119	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1121		1572
1122	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1574	}
1126		1575
1127	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1128		1616
1129	=back	1617	=back
1130
1131		1618
1132	=head3 cf::map	1619	=head3 cf::map
1133		1620
1134	=over 4	1621	=over 4
1135		1622
…		…
1190	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1191		1678
1192	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1193	local $self->{path};	1680	local $self->{path};
1194	local $self->{load_path};	1681	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1682
1198	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1199	}	1684	}
1200		1685
1201	sub normalise {	1686	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1249	return $self;	1734	return $self;
1250	}	1735	}
1251	}	1736	}
1252		1737
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1739	()
1255	}	1740	}
1256		1741
1257	sub init {	1742	sub init {
1258	my ($self) = @_;	1743	my ($self) = @_;
…		…
1273		1758
1274	# the original (read-only) location	1759	# the original (read-only) location
1275	sub load_path {	1760	sub load_path {
1276	my ($self) = @_;	1761	my ($self) = @_;
1277		1762
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1279	}	1764	}
1280		1765
1281	# the temporary/swap location	1766	# the temporary/swap location
1282	sub save_path {	1767	sub save_path {
1283	my ($self) = @_;	1768	my ($self) = @_;
1284		1769
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1287	}	1772	}
1288		1773
1289	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1290	sub uniq_path {	1775	sub uniq_path {
1291	my ($self) = @_;	1776	my ($self) = @_;
1292		1777
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1295	}	1780	}
1296		1781
1297	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1298	# all maps in C++...	1783	# all maps in C++...
1299	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1301		1786
1302	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1304	}	1789	}
1305		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1306	sub unlink_save {	1799	sub unlink_save {
1307	my ($self) = @_;	1800	my ($self) = @_;
1308		1801
1309	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1805	}
1318		1806
1319	sub load_header_from($) {	1807	sub load_header_from($) {
1320	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1328		1819
1329	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1330		1821
1331	1	1822	1
1332	}	1823	}
…		…
1371	$self->load_header_orig	1862	$self->load_header_orig
1372	or return;	1863	or return;
1373	$self->prepare_orig;	1864	$self->prepare_orig;
1374	}	1865	}
1375		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1376	1	1873	1
1377	}	1874	}
1378		1875
1379	sub find;	1876	sub find;
1380	sub find {	1877	sub find {
1381	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1382		1879
1383	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1384		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1386		1884
1387	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1389	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1390	or return;	1890	or return;
1391		1891
1392	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1393		1893
1394	$map->load_header	1894	$map->load_header
1395	or return;	1895	or return;
1396		1896
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1400	$map->reset;	1902	$map->reset;
1401	undef $guard;
1402	return find $path;	1903	return find $path;
1403	}	1904	}
1404		1905
1405	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1406	}	1907	}
…		…
1413	my ($self) = @_;	1914	my ($self) = @_;
1414		1915
1415	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1416		1917
1417	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1419		1922
		1923	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1925
1422	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1423		1927
1424	$self->alloc;	1928	$self->alloc;
1425		1929
1426	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1427		1932
1428	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1429	or return;	1936	or return;
1430		1937
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1939	if delete $self->{load_original};
1433		1940
1434	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1942	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1945	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1439	}	1949	}
1440	}	1950	}
1441		1951
1442	Coro::cede;	1952	$f->resolve_delayed_derefs;
1443		1953
		1954	cf::cede_to_tick;
1444	# now do the right thing for maps	1955	# now do the right thing for maps
1445	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1958	unless $self->difficulty;
1455	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1456	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1975	}
1458		1976
1459	$self->post_load;	1977	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1978	}
1463		1979
1464	sub customise_for {	1980	sub customise_for {
1465	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1466		1982
1467	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1984	if $self->per_player;
1469		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1470	$self	1989	$self
1471	}	1990	}
1472		1991
1473	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1993	sub load_neighbours {
1475	my ($map) = @_;	1994	my ($map) = @_;
1476		1995
1477	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1478		1997
1479	for (0 .. 3) {	1998	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1481	or next;	2000	or next;
1482	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1483	or next;	2002	or next;
1484	$neigh->load;	2003	$neigh->load;
1485		2004
		2005	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2008	}
1489		2009
1490	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1492	or next;	2013	or next;
1493	$neigh->load;	2014	$neigh->load;
1494	}	2015	}
1495	}	2016	}
1496		2017
…		…
1501	}	2022	}
1502		2023
1503	sub do_load_sync {	2024	sub do_load_sync {
1504	my ($map) = @_;	2025	my ($map) = @_;
1505		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1506	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1507	}	2031	}
1508		2032
1509	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1511		2035
1512	sub find_async {	2036	sub find_async {
1513	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1514		2038
1515	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1516		2040
1517	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2043	}
1520		2044
1521	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1522	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2050	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2051	$map->load if $v;
		2052	}
1528		2053
1529	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1530	}	2055	}
1531	}	2056	}
1532	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1533	};	2058	};
1534	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2062	}
1538		2063
1539	sub save {	2064	sub save {
1540	my ($self) = @_;	2065	my ($self) = @_;
1541		2066
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2068
1544	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1545		2070
1546	return unless $self->dirty;	2071	return unless $self->dirty;
1547		2072
…		…
1570	my ($self) = @_;	2095	my ($self) = @_;
1571		2096
1572	# save first because save cedes	2097	# save first because save cedes
1573	$self->save;	2098	$self->save;
1574		2099
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2101
1577	return if $self->players;	2102	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2104	return if $self->{deny_save};
1580		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2110	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2111	}
1584		2112
1585	sub reset_at {	2113	sub reset_at {
1586	my ($self) = @_;	2114	my ($self) = @_;
1587		2115
1588	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1591		2118
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2121
…		…
1605	my ($self) = @_;	2132	my ($self) = @_;
1606		2133
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2135
1609	return if $self->players;	2136	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2137
1612	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1613		2149
1614	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1615		2151
1616	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2154	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2155
1621	$self->unlink_save;	2156	$self->unlink_save;
1622	$self->destroy;	2157	$self->destroy;
1623	}	2158	}
1624		2159
1625	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1626		2161
1627	sub nuke {	2162	sub nuke {
1628	my ($self) = @_;	2163	my ($self) = @_;
1629		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1630	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1631		2169
1632	$self->unlink_save;	2170	$self->unlink_save;
1633		2171
1634	bless $self, "cf::map";	2172	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2177
1640	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1641		2180
1642	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1643	}	2218	}
1644		2219
1645	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1646		2221
1647	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2223	instantiated unique items. May block.
1649		2224
1650	=cut	2225	=cut
1651		2226
1652	sub unique_maps() {	2227	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1654	or return;	2229	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2230	utf8::decode $_;
1660	next if /\.pst$/;	2231	/\.map$/
1661	next unless /^$PATH_SEP/o;	2232	? normalise $_
1662		2233	: ()
1663	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2235	]
1665
1666	\@paths
1667	}	2236	}
1668		2237
1669	package cf;	2238	package cf;
1670		2239
1671	=back	2240	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1690	}	2259	}
1691		2260
1692	sub inv_recursive {	2261	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1694	}	2294	}
1695		2295
1696	package cf;	2296	package cf;
1697		2297
1698	=back	2298	=back
…		…
1717		2317
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2319
1720	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1722	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1725	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1726	}	2345	}
1727		2346
1728	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1729		2348
1730	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1778		2397
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2399
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1783		2402
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2404	}
1786		2405
1787	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1789		2410
1790	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1791		2412
1792	unless ($map) {	2413	unless ($map) {
1793	# restore original map position	2414	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1810		2431
1811	$map->load;	2432	$map->load;
1812	$map->load_diag;	2433	$map->load_neighbours;
1813		2434
1814	return unless $self->contr->active;	2435	return unless $self->contr->active;
1815	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1817	}	2440	}
1818		2441
1819	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2443
1823	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1827	};	2448	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2449
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1854		2453
1855	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2459
1858	$self->enter_link;	2460	$self->enter_link;
1859		2461
1860	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2468	}
		2469	}
		2470
1861	my $map = eval {	2471	my $map = eval {
1862	my $map = cf::map::find $path;	2472	my $map = cf::map::find $path;
		2473
		2474	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2475	$map = $map->customise_for ($self);
		2476	$map = $check->($map) if $check && $map;
		2477	} else {
		2478	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2479	}
		2480
1864	$map	2481	$map
		2482	};
		2483
		2484	if ($@) {
		2485	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2487	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2488
		2489	if ($gen == $self->{_goto_generation}) {
		2490	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2491	$self->leave_link ($map, $x, $y);
		2492	}
		2493
		2494	$done->() if $done;
1869	})->prio (1);	2495	})->prio (1);
1870	}	2496	}
1871		2497
1872	=item $player_object->enter_exit ($exit_object)	2498	=item $player_object->enter_exit ($exit_object)
1873		2499
…		…
1912		2538
1913	$rmp->{random_seed} ||= $exit->random_seed;	2539	$rmp->{random_seed} ||= $exit->random_seed;
1914		2540
1915	my $data = cf::to_json $rmp;	2541	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2542	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2543	my $meta = "$RANDOMDIR/$md5.meta";
1918		2544
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2545	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2546	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2547	undef $fh;
1922	aio_rename "$meta~", $meta;	2548	aio_rename "$meta~", $meta;
…		…
1931		2557
1932	return unless $self->type == cf::PLAYER;	2558	return unless $self->type == cf::PLAYER;
1933		2559
1934	if ($exit->slaying eq "/!") {	2560	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2561	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2562	# the problem is that $exit might not survive long enough
		2563	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2564	cf::sync_job { prepare_random_map $exit };
1937	}	2565	}
1938		2566
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2567	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2568	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2569	my $sp = $exit->stats->sp;
1942		2570
1943	$self->enter_link;	2571	$self->enter_link;
		2572
		2573	# if exit is damned, update players death & WoR home-position
		2574	$self->contr->savebed ($slaying, $hp, $sp)
		2575	if $exit->flag (FLAG_DAMNED);
1944		2576
1945	(async {	2577	(async {
1946	$self->deactivate_recursive; # just to be sure	2578	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2579	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2580	$self->goto ($slaying, $hp, $sp);
1949		2581
1950	1;	2582	1;
1951	}) {	2583	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2584	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2585	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2586	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2587	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2588
1957	warn "ERROR in enter_exit: $@";	2589	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2590	$self->leave_link;
1959	}	2591	}
1960	})->prio (1);	2592	})->prio (1);
…		…
1973		2605
1974	sub cf::client::send_drawinfo {	2606	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2607	my ($self, $text, $flags) = @_;
1976		2608
1977	utf8::encode $text;	2609	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2610	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2611	}
1980		2612
		2613	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2614
		2615	Send a drawinfo or msg packet to the client, formatting the msg for the
		2616	client if neccessary. C<$type> should be a string identifying the type of
		2617	the message, with C<log> being the default. If C<$color> is negative, suppress
		2618	the message unless the client supports the msg packet.
		2619
		2620	=cut
		2621
		2622	our %CHANNEL = (
		2623	"c/identify" => {
		2624	id => "identify",
		2625	title => "Identify",
		2626	reply => undef,
		2627	tooltip => "Items recently identified",
		2628	},
		2629	"c/examine" => {
		2630	id => "examine",
		2631	title => "Examine",
		2632	reply => undef,
		2633	tooltip => "Signs and other items you examined",
		2634	},
		2635	);
		2636
		2637	sub cf::client::send_msg {
		2638	my ($self, $channel, $msg, $color, @extra) = @_;
		2639
		2640	$msg = $self->pl->expand_cfpod ($msg);
		2641
		2642	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2643
		2644	# check predefined channels, for the benefit of C
		2645	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2646
		2647	if (ref $channel) {
		2648	# send meta info to client, if not yet sent
		2649	unless (exists $self->{channel}{$channel->{id}}) {
		2650	$self->{channel}{$channel->{id}} = $channel;
		2651	$self->ext_msg (channel_info => $channel)
		2652	if $self->can_msg;
		2653	}
		2654
		2655	$channel = $channel->{id};
		2656	}
		2657
		2658	return unless @extra || length $msg;
		2659
		2660	if ($self->can_msg) {
		2661	# default colour, mask it out
		2662	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2663	if $color & cf::NDI_DEF;
		2664
		2665	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2666	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2667	} else {
		2668	if ($color >= 0) {
		2669	# replace some tags by gcfclient-compatible ones
		2670	for ($msg) {
		2671	1 while
		2672	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2673	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2674	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2675	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2676	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2677	}
		2678
		2679	$color &= cf::NDI_COLOR_MASK;
		2680
		2681	utf8::encode $msg;
		2682
		2683	if (0 && $msg =~ /\[/) {
		2684	# COMMAND/INFO
		2685	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2686	} else {
		2687	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2688	$self->send_packet ("drawinfo $color $msg")
		2689	}
		2690	}
		2691	}
		2692	}
		2693
		2694	=item $client->ext_msg ($type, @msg)
		2695
		2696	Sends an ext event to the client.
		2697
		2698	=cut
		2699
		2700	sub cf::client::ext_msg($$@) {
		2701	my ($self, $type, @msg) = @_;
		2702
		2703	if ($self->extcmd == 2) {
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2705	} elsif ($self->extcmd == 1) { # TODO: remove
		2706	push @msg, msgtype => "event_$type";
		2707	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2708	}
		2709	}
		2710
		2711	=item $client->ext_reply ($msgid, @msg)
		2712
		2713	Sends an ext reply to the client.
		2714
		2715	=cut
		2716
		2717	sub cf::client::ext_reply($$@) {
		2718	my ($self, $id, @msg) = @_;
		2719
		2720	if ($self->extcmd == 2) {
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2722	} elsif ($self->extcmd == 1) {
		2723	#TODO: version 1, remove
		2724	unshift @msg, msgtype => "reply", msgid => $id;
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2726	}
		2727	}
1981		2728
1982	=item $success = $client->query ($flags, "text", \&cb)	2729	=item $success = $client->query ($flags, "text", \&cb)
1983		2730
1984	Queues a query to the client, calling the given callback with	2731	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2732	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2733	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2734
1988	Queries can fail, so check the return code. Or don't, as queries will become	2735	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2736	become reliable at some point in the future.
1990		2737
1991	=cut	2738	=cut
1992		2739
1993	sub cf::client::query {	2740	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2741	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2749	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2750	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2751
2005	$self->send_packet ($self->{query_queue}[0][0])	2752	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2753	if @{ $self->{query_queue} } == 1;
		2754
		2755	1
2007	}	2756	}
2008		2757
2009	cf::client->attach (	2758	cf::client->attach (
		2759	on_connect => sub {
		2760	my ($ns) = @_;
		2761
		2762	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2763	},
2010	on_reply => sub {	2764	on_reply => sub {
2011	my ($ns, $msg) = @_;	2765	my ($ns, $msg) = @_;
2012		2766
2013	# this weird shuffling is so that direct followup queries	2767	# this weird shuffling is so that direct followup queries
2014	# get handled first	2768	# get handled first
…		…
2026	} else {	2780	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2781	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2782	}
2029	}	2783	}
2030	},	2784	},
		2785	on_exticmd => sub {
		2786	my ($ns, $buf) = @_;
		2787
		2788	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2789
		2790	if (ref $msg) {
		2791	my ($type, $reply, @payload) =
		2792	"ARRAY" eq ref $msg
		2793	? @$msg
		2794	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2795
		2796	my @reply;
		2797
		2798	if (my $cb = $EXTICMD{$type}) {
		2799	@reply = $cb->($ns, @payload);
		2800	}
		2801
		2802	$ns->ext_reply ($reply, @reply)
		2803	if $reply;
		2804
		2805	} else {
		2806	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2807	}
		2808
		2809	cf::override;
		2810	},
2031	);	2811	);
2032		2812
2033	=item $client->async (\&cb)	2813	=item $client->async (\&cb)
2034		2814
2035	Create a new coroutine, running the specified callback. The coroutine will	2815	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2856	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2857	our $safe_hole = new Safe::Hole;
2078		2858
2079	$SIG{FPE} = 'IGNORE';	2859	$SIG{FPE} = 'IGNORE';
2080		2860
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2861	$safe->permit_only (Opcode::opset qw(
		2862	:base_core :base_mem :base_orig :base_math
		2863	grepstart grepwhile mapstart mapwhile
		2864	sort time
		2865	));
2082		2866
2083	# here we export the classes and methods available to script code	2867	# here we export the classes and methods available to script code
2084		2868
2085	=pod	2869	=pod
2086		2870
2087	The following fucntions and emthods are available within a safe environment:	2871	The following functions and methods are available within a safe environment:
2088		2872
2089	cf::object contr pay_amount pay_player map	2873	cf::object
		2874	contr pay_amount pay_player map x y force_find force_add
		2875	insert remove name archname title slaying race decrease_ob_nr
		2876
2090	cf::object::player player	2877	cf::object::player
2091	cf::player peaceful	2878	player
2092	cf::map trigger	2879
		2880	cf::player
		2881	peaceful
		2882
		2883	cf::map
		2884	trigger
2093		2885
2094	=cut	2886	=cut
2095		2887
2096	for (	2888	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2889	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2890	insert remove inv name archname title slaying race
		2891	decrease_ob_nr)],
2098	["cf::object::player" => qw(player)],	2892	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2893	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2894	["cf::map" => qw(trigger)],
2101	) {	2895	) {
2102	no strict 'refs';	2896	no strict 'refs';
…		…
2173	=back	2967	=back
2174		2968
2175	=cut	2969	=cut
2176		2970
2177	#############################################################################	2971	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	2972	# the server's init and main functions
2251		2973
2252	sub load_resources {	2974	sub load_facedata($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2975	my ($path) = @_;
		2976
		2977	# HACK to clear player env face cache, we need some signal framework
		2978	# for this (global event?)
		2979	%ext::player_env::MUSIC_FACE_CACHE = ();
		2980
		2981	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2982
		2983	warn "loading facedata from $path\n";
		2984
		2985	my $facedata;
		2986	0 < aio_load $path, $facedata
		2987	or die "$path: $!";
		2988
		2989	$facedata = Coro::Storable::thaw $facedata;
		2990
		2991	$facedata->{version} == 2
		2992	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2993
		2994	# patch in the exptable
		2995	$facedata->{resource}{"res/exp_table"} = {
		2996	type => FT_RSRC,
		2997	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2998	};
		2999	cf::cede_to_tick;
		3000
		3001	{
		3002	my $faces = $facedata->{faceinfo};
		3003
		3004	while (my ($face, $info) = each %$faces) {
		3005	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3006	cf::face::set_visibility $idx, $info->{visibility};
		3007	cf::face::set_magicmap $idx, $info->{magicmap};
		3008	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3009	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3010
		3011	cf::cede_to_tick;
		3012	}
		3013
		3014	while (my ($face, $info) = each %$faces) {
		3015	next unless $info->{smooth};
		3016	my $idx = cf::face::find $face
		3017	or next;
		3018	if (my $smooth = cf::face::find $info->{smooth}) {
		3019	cf::face::set_smooth $idx, $smooth;
		3020	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3021	} else {
		3022	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3023	}
		3024
		3025	cf::cede_to_tick;
		3026	}
		3027	}
		3028
		3029	{
		3030	my $anims = $facedata->{animinfo};
		3031
		3032	while (my ($anim, $info) = each %$anims) {
		3033	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3034	cf::cede_to_tick;
		3035	}
		3036
		3037	cf::anim::invalidate_all; # d'oh
		3038	}
		3039
		3040	{
		3041	# TODO: for gcfclient pleasure, we should give resources
		3042	# that gcfclient doesn't grok a >10000 face index.
		3043	my $res = $facedata->{resource};
		3044
		3045	my $soundconf = delete $res->{"res/sound.conf"};
		3046
		3047	while (my ($name, $info) = each %$res) {
		3048	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3049	my $data;
		3050
		3051	if ($info->{type} & 1) {
		3052	# prepend meta info
		3053
		3054	my $meta = $enc->encode ({
		3055	name => $name,
		3056	%{ $info->{meta} || {} },
		3057	});
		3058
		3059	$data = pack "(w/a*)*", $meta, $info->{data};
		3060	} else {
		3061	$data = $info->{data};
		3062	}
		3063
		3064	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3065	cf::face::set_type $idx, $info->{type};
		3066
		3067	cf::cede_to_tick;
		3068	}
		3069
		3070	if ($soundconf) {
		3071	$soundconf = $enc->decode (delete $soundconf->{data});
		3072
		3073	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3074	my $sound = $soundconf->{compat}[$_]
		3075	or next;
		3076
		3077	my $face = cf::face::find "sound/$sound->[1]";
		3078	cf::sound::set $sound->[0] => $face;
		3079	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3080	}
		3081
		3082	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3083	my $face = cf::face::find "sound/$v";
		3084	cf::sound::set $k => $face;
		3085	}
		3086	}
		3087	}
		3088
		3089	1
		3090	}
		3091
		3092	register_exticmd fx_want => sub {
		3093	my ($ns, $want) = @_;
		3094
		3095	while (my ($k, $v) = each %$want) {
		3096	$ns->fx_want ($k, $v);
		3097	}
		3098	};
		3099
		3100	sub reload_regions {
		3101	# HACK to clear player env face cache, we need some signal framework
		3102	# for this (global event?)
		3103	%ext::player_env::MUSIC_FACE_CACHE = ();
		3104
		3105	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3106	or die "unable to load regions file\n";
2255	}
2256		3107
2257	sub cfg_load {	3108	for (cf::region::list) {
		3109	$_->{match} = qr/$_->{match}/
		3110	if exists $_->{match};
		3111	}
		3112	}
		3113
		3114	sub reload_facedata {
		3115	load_facedata "$DATADIR/facedata"
		3116	or die "unable to load facedata\n";
		3117	}
		3118
		3119	sub reload_archetypes {
		3120	load_resource_file "$DATADIR/archetypes"
		3121	or die "unable to load archetypes\n";
		3122	#d# NEED to laod twice to resolve forward references
		3123	# this really needs to be done in an extra post-pass
		3124	# (which needs to be synchronous, so solve it differently)
		3125	load_resource_file "$DATADIR/archetypes"
		3126	or die "unable to load archetypes\n";
		3127	}
		3128
		3129	sub reload_treasures {
		3130	load_resource_file "$DATADIR/treasures"
		3131	or die "unable to load treasurelists\n";
		3132	}
		3133
		3134	sub reload_resources {
		3135	warn "reloading resource files...\n";
		3136
		3137	reload_regions;
		3138	reload_facedata;
		3139	#reload_archetypes;#d#
		3140	reload_archetypes;
		3141	reload_treasures;
		3142
		3143	warn "finished reloading resource files\n";
		3144	}
		3145
		3146	sub init {
		3147	reload_resources;
		3148	}
		3149
		3150	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3151	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3152	or return;
2260		3153
2261	local $/;	3154	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3155	*CFG = YAML::Syck::Load <$fh>;
2263		3156
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3164	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3165	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3166	};
2274	warn $@ if $@;	3167	warn $@ if $@;
2275	}	3168	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	3169	}
2281		3170
2282	sub main {	3171	sub main {
2283	# we must not ever block the main coroutine	3172	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3173	local $Coro::idle = sub {
…		…
2286	(async {	3175	(async {
2287	Event::one_event;	3176	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	3177	})->prio (Coro::PRIO_MAX);
2289	};	3178	};
2290		3179
2291	cfg_load;	3180	reload_config;
2292	db_load;	3181	db_init;
2293	load_extensions;	3182	load_extensions;
2294		3183
2295	$TICK_WATCHER->start;	3184	$TICK_WATCHER->start;
2296	Event::loop;	3185	Event::loop;
2297	}	3186	}
…		…
2312	},	3201	},
2313	);	3202	);
2314	}	3203	}
2315	}	3204	}
2316		3205
		3206	sub write_runtime {
		3207	my $runtime = "$LOCALDIR/runtime";
		3208
		3209	# first touch the runtime file to show we are still running:
		3210	# the fsync below can take a very very long time.
		3211
		3212	IO::AIO::aio_utime $runtime, undef, undef;
		3213
		3214	my $guard = cf::lock_acquire "write_runtime";
		3215
		3216	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3217	or return;
		3218
		3219	my $value = $cf::RUNTIME + 90 + 10;
		3220	# 10 is the runtime save interval, for a monotonic clock
		3221	# 60 allows for the watchdog to kill the server.
		3222
		3223	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3224	and return;
		3225
		3226	# always fsync - this file is important
		3227	aio_fsync $fh
		3228	and return;
		3229
		3230	# touch it again to show we are up-to-date
		3231	aio_utime $fh, undef, undef;
		3232
		3233	close $fh
		3234	or return;
		3235
		3236	aio_rename "$runtime~", $runtime
		3237	and return;
		3238
		3239	warn "runtime file written.\n";
		3240
		3241	1
		3242	}
		3243
2317	sub emergency_save() {	3244	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3245	my $freeze_guard = cf::freeze_mainloop;
2319		3246
2320	warn "enter emergency perl save\n";	3247	warn "enter emergency perl save\n";
2321		3248
…		…
2345	};	3272	};
2346		3273
2347	warn "leave emergency perl save\n";	3274	warn "leave emergency perl save\n";
2348	}	3275	}
2349		3276
		3277	sub post_cleanup {
		3278	my ($make_core) = @_;
		3279
		3280	warn Carp::longmess "post_cleanup backtrace"
		3281	if $make_core;
		3282	}
		3283
2350	sub reload() {	3284	sub do_reload_perl() {
2351	# can/must only be called in main	3285	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3286	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3287	warn "can only reload from main coroutine";
2354	return;	3288	return;
2355	}	3289	}
2356		3290
2357	warn "reloading...";	3291	warn "reloading...";
2358		3292
2359	warn "cancelling server ticker";	3293	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3294
		3295	cf::sync_job {
		3296	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3297	cf::emergency_save;
		3298	cf::write_runtime; # external watchdog should not bark
2363		3299
2364	eval {	3300	warn "syncing database to disk";
		3301	BDB::db_env_txn_checkpoint $DB_ENV;
		3302
2365	# if anything goes wrong in here, we should simply crash as we already saved	3303	# if anything goes wrong in here, we should simply crash as we already saved
2366		3304
2367	warn "cancelling all WF_AUTOCANCEL watchers";	3305	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	3306	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	3307	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	3308	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3309
2375	warn "flushing outstanding aio requests";	3310	warn "flushing outstanding aio requests";
2376	for (;;) {	3311	for (;;) {
2377	BDB::flush;	3312	BDB::flush;
2378	IO::AIO::flush;	3313	IO::AIO::flush;
2379	Coro::cede;	3314	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3315	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3316	warn "iterate...";
2382	}	3317	}
2383		3318
		3319	++$RELOAD;
		3320
2384	warn "cancelling all extension coros";	3321	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3322	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3323	%EXT_CORO = ();
2387		3324
2388	warn "removing commands";	3325	warn "removing commands";
2389	%COMMAND = ();	3326	%COMMAND = ();
2390		3327
2391	warn "removing ext commands";	3328	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3329	%EXTCMD = ();
		3330	%EXTICMD = ();
2393		3331
2394	warn "unloading/nuking all extensions";	3332	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3333	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3334	warn "... unloading $pkg";
2397		3335
…		…
2427	Symbol::delete_package "safe::$_"	3365	Symbol::delete_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3366	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3367
2430	warn "unloading cf.pm \"a bit\"";	3368	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3369	delete $INC{"cf.pm"};
		3370	delete $INC{"cf/pod.pm"};
2432		3371
2433	# don't, removes xs symbols, too,	3372	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3373	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3374	#Symbol::delete_package __PACKAGE__;
2436		3375
…		…
2439	warn "reloading cf.pm";	3378	warn "reloading cf.pm";
2440	require cf;	3379	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3380	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3381
2443	warn "loading config and database again";	3382	warn "loading config and database again";
2444	cf::cfg_load;	3383	cf::reload_config;
2445	cf::db_load;
2446		3384
2447	warn "loading extensions";	3385	warn "loading extensions";
2448	cf::load_extensions;	3386	cf::load_extensions;
2449		3387
2450	warn "reattaching attachments to objects/players";	3388	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3389	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3390	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3391	reattach $_ for values %MAP;
		3392	warn "reattaching attachments to players";
		3393	reattach $_ for values %PLAYER;
2454		3394
2455	warn "loading reloadable resources";	3395	warn "leaving sync_job";
2456	load_resources;
2457		3396
2458	warn "restarting server ticker";	3397	1
2459		3398	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3399	warn $@;
2465	warn "error while reloading, exiting.";	3400	warn "error while reloading, exiting.";
2466	exit 1;	3401	exit 1;
2467	}	3402	};
2468		3403
2469	warn "reloaded";	3404	warn "reloaded";
2470	};	3405	};
2471		3406
2472	our $RELOAD_WATCHER; # used only during reload	3407	our $RELOAD_WATCHER; # used only during reload
2473		3408
		3409	sub reload_perl() {
		3410	# doing reload synchronously and two reloads happen back-to-back,
		3411	# coro crashes during coro_state_free->destroy here.
		3412
		3413	$RELOAD_WATCHER ||= Event->timer (
		3414	reentrant => 0,
		3415	after => 0,
		3416	data => WF_AUTOCANCEL,
		3417	cb => sub {
		3418	do_reload_perl;
		3419	undef $RELOAD_WATCHER;
		3420	},
		3421	);
		3422	}
		3423
2474	register_command "reload" => sub {	3424	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3425	my ($who, $arg) = @_;
2476		3426
2477	if ($who->flag (FLAG_WIZ)) {	3427	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3428	$who->message ("reloading server.");
2479		3429	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3430	}
2493	};	3431	};
2494		3432
2495	unshift @INC, $LIBDIR;	3433	unshift @INC, $LIBDIR;
2496		3434
2497	my $bug_warning = 0;	3435	my $bug_warning = 0;
		3436
		3437	our @WAIT_FOR_TICK;
		3438	our @WAIT_FOR_TICK_BEGIN;
		3439
		3440	sub wait_for_tick {
		3441	return unless $TICK_WATCHER->is_active;
		3442	return if $Coro::current == $Coro::main;
		3443
		3444	my $signal = new Coro::Signal;
		3445	push @WAIT_FOR_TICK, $signal;
		3446	$signal->wait;
		3447	}
		3448
		3449	sub wait_for_tick_begin {
		3450	return unless $TICK_WATCHER->is_active;
		3451	return if $Coro::current == $Coro::main;
		3452
		3453	my $signal = new Coro::Signal;
		3454	push @WAIT_FOR_TICK_BEGIN, $signal;
		3455	$signal->wait;
		3456	}
		3457
		3458	our $stat_fh;
		3459	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2498		3460
2499	$TICK_WATCHER = Event->timer (	3461	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3462	reentrant => 0,
2501	parked => 1,	3463	parked => 1,
2502	prio => 0,	3464	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3469	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3470	unless ++$bug_warning > 10;
2509	return;	3471	return;
2510	}	3472	}
2511		3473
		3474	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3475
2512	$NOW = Event::time;	3476	$NOW = $tick_start = Event::time;
2513		3477
2514	cf::server_tick; # one server iteration	3478	cf::server_tick; # one server iteration
		3479
2515	$RUNTIME += $TICK;	3480	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3481	$NEXT_TICK += $TICK;
2517		3482
2518	$WAIT_FOR_TICK->broadcast;	3483	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3484	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		3485	Coro::async_pool {
2521	Event::sweep;	3486	write_runtime
2522	Coro::cede_notself;	3487	or warn "ERROR: unable to write runtime file: $!";
		3488	};
2523		3489	}
		3490
2524	# my $AFTER = Event::time;	3491	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#	3492	# warn $AFTER - $NOW;#d#
2526		3493
		3494	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3495	$sig->send;
		3496	}
		3497	while (my $sig = shift @WAIT_FOR_TICK) {
		3498	$sig->send;
		3499	}
		3500
		3501	$NOW = Event::time;
		3502
2527	# if we are delayed by four ticks or more, skip them all	3503	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3504	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		3505
2530	$TICK_WATCHER->at ($NEXT_TICK);	3506	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;	3507	$TICK_WATCHER->start;
		3508
		3509	$LOAD = ($NOW - $tick_start) / $TICK;
		3510	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3511
		3512	_post_tick;
		3513
		3514	# gather some statistics#d#
		3515	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3516	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2532	},	3517	},
2533	);	3518	);
2534		3519
2535	{	3520	{
		3521	BDB::min_parallel 8;
2536	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2537	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2538	reentrant => 0,	3524	reentrant => 0,
2539	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2540	poll => 'r',	3526	poll => 'r',
2541	prio => 0,	3527	prio => 0,
2542	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2544	);	3530	);
2545	BDB::min_parallel 8;
2546		3531
2547	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2548	my $status;	3533	my $status;
2549	my $current = $Coro::current;	3534	my $current = $Coro::current;
2550	(	3535	(
…		…
2564		3549
2565	cf::sync_job {	3550	cf::sync_job {
2566	eval {	3551	eval {
2567	BDB::db_env_open	3552	BDB::db_env_open
2568	$DB_ENV,	3553	$DB_ENV,
2569	$BDB_ENV_DIR,	3554	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3555	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3556	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3557	0666;
2573		3558
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3559	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575		3560
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3561	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3562	| BDB::LOG_AUTOREMOVE, 1);
2577	$DB_ENV->set_lk_detect;	3563	$DB_ENV->set_lk_detect;
2578	};	3564	};
2579		3565
2580	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	3567	};
2582	}	3568	}
		3569
		3570	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3571	after => 11,
		3572	interval => 60,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_TRICKLE_WATCHER = Event->timer (
		3581	after => 5,
		3582	interval => 10,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3588	},
		3589	);
2583	}	3590	}
2584		3591
2585	{	3592	{
2586	IO::AIO::min_parallel 8;	3593	IO::AIO::min_parallel 8;
2587		3594
2588	undef $Coro::AIO::WATCHER;	3595	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3596	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3597	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3598	reentrant => 0,
		3599	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3600	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3601	poll => 'r',
2594	prio => 6,	3602	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3603	cb => \&IO::AIO::poll_cb,
2597	);	3604	);
2598	}	3605	}
2599		3606
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3607	my $_log_backtrace;
2601	reentrant => 0,	3608
2602	data => WF_AUTOCANCEL,	3609	sub _log_backtrace {
2603	after => 1,	3610	my ($msg, @addr) = @_;
2604	interval => 10,	3611
2605	prio => 6, # keep it lowest so it acts like a watchdog	3612	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3613
2607	write_runtime	3614	# limit the # of concurrent backtraces
2608	or warn "ERROR: unable to write runtime file: $!";	3615	if ($_log_backtrace < 2) {
		3616	++$_log_backtrace;
		3617	async {
		3618	my @bt = fork_call {
		3619	@addr = map { sprintf "%x", $_ } @addr;
		3620	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3621	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3622	or die "addr2line: $!";
		3623
		3624	my @funcs;
		3625	my @res = <$fh>;
		3626	chomp for @res;
		3627	while (@res) {
		3628	my ($func, $line) = splice @res, 0, 2, ();
		3629	push @funcs, "[$func] $line";
		3630	}
		3631
		3632	@funcs
		3633	};
		3634
		3635	LOG llevInfo, "[ABT] $msg\n";
		3636	LOG llevInfo, "[ABT] $_\n" for @bt;
		3637	--$_log_backtrace;
		3638	};
		3639	} else {
		3640	LOG llevInfo, "[ABT] $msg\n";
		3641	LOG llevInfo, "[ABT] [suppressed]\n";
2609	},	3642	}
2610	);	3643	}
		3644
		3645	# load additional modules
		3646	use cf::pod;
2611		3647
2612	END { cf::emergency_save }	3648	END { cf::emergency_save }
2613		3649
2614	1	3650	1
2615		3651

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