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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
59	our %CFG;	87	our %CFG;
60		88
61	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	90	our $RUNTIME;
63		91
64	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		95
73	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
76	binmode STDOUT;	103	binmode STDOUT;
77	binmode STDERR;	104	binmode STDERR;
78		105
79	# read virtual server time, if available	106	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
84	}	111	}
85		112
86	mkdir cf::localdir;	113	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		115
93	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
94		117
95	sub cf::map::normalise;	118	sub cf::map::normalise;
96		119
…		…
107	=item $cf::RUNTIME	130	=item $cf::RUNTIME
108		131
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	133	every server tick.
111		134
112	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		138
114	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
116		143
117	=item $cf::NOW	144	=item $cf::NOW
118		145
119	The time of the last (current) server tick.	146	The time of the last (current) server tick.
120		147
121	=item $cf::TICK	148	=item $cf::TICK
122		149
123	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
124		161
125	=item %cf::CFG	162	=item %cf::CFG
126		163
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	165	from wherever your confdir points to.
129		166
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		168
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
136		178
137	=back	179	=back
138		180
139	=cut	181	=cut
140		182
141	BEGIN {	183	BEGIN {
142	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	185	my $msg = join "", @_;
144	utf8::encode $msg;
145		186
146	$msg .= "\n"	187	$msg .= "\n"
147	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
148		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
149	LOG llevError, $msg;	193	LOG llevError, $msg;
150	};	194	};
151	}	195	}
152		196
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		204
160	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	206	# within the Safe compartment.
162	for my $pkg (qw(	207	for my $pkg (qw(
163	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	}	216	}
172		217
173	$Event::DIED = sub {	218	$Event::DIED = sub {
174	warn "error in event callback: @_";	219	warn "error in event callback: @_";
175	};	220	};
		221
		222	#############################################################################
176		223
177	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
178		225
179	=over 4	226	=over 4
180		227
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	247	$d
201	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
202	}	249	}
203		250
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
207		252
208	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
209		254
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
220		258
221	=cut	259	=cut
222		260
223	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
225	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
227		265
228	=item cf::lock_wait $string	266	=item cf::lock_wait $string
229		267
230	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
231		269
…		…
234	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
237	returned.	275	returned.
238		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
239	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
241		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
242	=cut	287	=cut
243		288
244	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
245		291
246	sub lock_wait($) {	292	sub lock_wait($) {
247	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
248		299
249	# wait for lock, if any	300	# wait for lock, if any
250	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	303	Coro::schedule;
…		…
258		309
259	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
260	lock_wait $key;	311	lock_wait $key;
261		312
262	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
263		315
264	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
267	}	320	}
268	}	321	}
269		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
270	sub freeze_mainloop {	329	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
272		331
273	my $guard = Coro::guard {	332	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	334	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
279	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
280	}	393	}
281		394
282	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
283		396
284	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		402
290	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
291		404
292	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
293		406
294	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
297		411
298	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
301	fast or be very important.	415	fast or be very important.
…		…
304		418
305	sub sync_job(&) {	419	sub sync_job(&) {
306	my ($job) = @_;	420	my ($job) = @_;
307		421
308	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
309	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
311		427
312	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
324		440
325	while ($busy) {	441	while ($busy) {
326	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
327	}	443	}
328		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
329	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
330	} else {	453	} else {
331	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
332		455
333	$job->()	456	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
353		476
354	$coro	477	$coro
355	}	478	}
356		479
357	sub write_runtime {	480	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		481
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
361	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
362		486
363	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		488
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
368	and return;	490	my ($cb, @args) = @_;
369		491
370	# always fsync - this file is important	492	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	493	# otherwise perl prematurely frees the stuff :/
372	and return;	494	# TODO: investigate and fix (likely this will be rather laborious)
373		495
374	close $fh	496	my @res = Coro::Util::fork_eval {
375	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
376		500
377	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
378	and return;	502	}
379		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
380	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	629	}
382		630
383	=back	631	=back
384		632
385	=cut	633	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
394		642
395	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	645	Crossfire TRT).
398		646
399	=over 4	647	=over 4
400		648
401	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
402		650
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
566		814
567	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		819
572	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	821	my $pkg = shift @arg;
574		822
575	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
605	}	853	}
606		854
607	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
608	} else {	856	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	858	}
611		859
612	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
613	}	861	}
614		862
…		…
616	if (ref $_[0]) {	864	if (ref $_[0]) {
617	_object_attach @_;	865	_object_attach @_;
618	} else {	866	} else {
619	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
620	}	868	}
		869	_recalc_want;
621	};	870	};
622		871
623	# all those should be optimised	872	# all those should be optimised
624	sub cf::attachable::detach {	873	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
629	reattach ($obj);	878	reattach ($obj);
630	} else {	879	} else {
631	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
632	}	881	}
		882	_recalc_want;
633	};	883	};
634		884
635	sub cf::attachable::attached {	885	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
637		887
…		…
652	";	902	";
653	die if $@;	903	die if $@;
654	}	904	}
655		905
656	our $override;	906	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		908
659	sub override {	909	sub override {
660	$override = 1;	910	$override = 1;
661	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
662	}	912	}
663		913
664	sub do_invoke {	914	sub do_invoke {
665	my $event = shift;	915	my $event = shift;
666	my $callbacks = shift;	916	my $callbacks = shift;
667		917
668	@invoke_results = ();	918	@INVOKE_RESULTS = ();
669		919
670	local $override;	920	local $override;
671		921
672	for (@$callbacks) {	922	for (@$callbacks) {
673	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
690		940
691	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
692		942
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		946
697	=back	947	=back
698		948
699	=cut	949	=cut
700		950
701	#############################################################################	951	#############################################################################
702	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
703		964
704	sub reattach {	965	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	967	my ($obj) = @_;
707		968
…		…
751	},	1012	},
752	);	1013	);
753		1014
754	sub object_freezer_save {	1015	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
756		1019
757	sync_job {	1020	sync_job {
758	if (length $$rdata) {	1021	if (length $$rdata) {
759	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
784	}	1047	}
785	} else {	1048	} else {
786	aio_unlink $filename;	1049	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
788	}	1051	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1052	};
		1053
		1054	undef $guard;
796	}	1055	}
797		1056
798	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
800		1059
…		…
806	sub object_thawer_load {	1065	sub object_thawer_load {
807	my ($filename) = @_;	1066	my ($filename) = @_;
808		1067
809	my ($data, $av);	1068	my ($data, $av);
810		1069
811	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1071
814	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
815	or return;	1073	or return;
816		1074
817	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
819	or return;	1077	or return;
		1078
		1079	undef $guard;
820	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1081	}
822		1082
823	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
825	return ($data, $av);	1086	($data, $av)
826	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
827		1094
828	#############################################################################	1095	#############################################################################
829	# command handling &c	1096	# command handling &c
830		1097
831	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1112	}
846		1113
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1115
849	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
850		1121
851	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
852	called.	1123	called.
853		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
854	=cut	1136	=cut
855		1137
856	sub register_extcmd {	1138	sub register_extcmd {
857	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
858		1140
859	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
860	}	1148	}
861		1149
862	cf::player->attach (	1150	cf::player->attach (
863	on_command => sub {	1151	on_command => sub {
864	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1161	cf::override;
874	},	1162	},
875	on_extcmd => sub {	1163	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
877		1165
878	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1167
880	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
886	} else {	1183	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1185	}
889		1186
890	cf::override;	1187	cf::override;
891	},	1188	},
892	);	1189	);
893		1190
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
929	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1196	next unless -r $path;
931	eval {	1197
932	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
933	1	1255	}
934	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
935	}	1261	};
936	}	1262	}
937		1263
938	#############################################################################	1264	#############################################################################
939		1265
		1266	=back
		1267
940	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
941		1269
942	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
943		1271
944	=cut	1272	=cut
…		…
949		1277
950	=head3 cf::player	1278	=head3 cf::player
951		1279
952	=over 4	1280	=over 4
953		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
954	=item cf::player::find $login	1296	=item cf::player::find $login
955		1297
956	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
957		1299
958	=cut	1300	=cut
959		1301
960	sub playerdir($) {	1302	sub playerdir($) {
961	cf::localdir	1303	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1305	}
967		1306
968	sub path($) {	1307	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1309
971	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
972	}	1311	}
973		1312
974	sub find_active($) {	1313	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1328	my $login = $_[0];
990		1329
991	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
992		1331
993	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
995	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
997	}	1349	}
998	}	1350	}
999	}	1351	}
1000		1352
…		…
1010		1362
1011	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1013		1365
1014	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1015	Coro::cede;	1367	cf::cede_to_tick;
1016	}	1368	}
1017		1369
1018	sub new($) {	1370	sub new($) {
1019	my ($login) = @_;	1371	my ($login) = @_;
1020		1372
…		…
1026	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1027		1379
1028	$self	1380	$self
1029	}	1381	}
1030		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1031	=item $pl->quit_character	1393	=item $pl->quit_character
1032		1394
1033	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1035		1397
1036	=cut	1398	=cut
1037		1399
1038	sub quit_character {	1400	sub quit_character {
1039	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1040		1404
1041	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1407
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1054	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1055	}	1439	}
1056		1440
1057	=item cf::player::list_logins	1441	=item cf::player::list_logins
1058		1442
1059	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1061		1445
1062	=cut	1446	=cut
1063		1447
1064	sub list_logins {	1448	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1450	or return [];
1067		1451
1068	my @logins;	1452	my @logins;
1069		1453
1070	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1074		1463
1075	utf8::decode $login;	1464	utf8::decode $login;
1076	push @logins, $login;	1465	push @logins, $login;
1077	}	1466	}
1078		1467
…		…
1105	}	1494	}
1106		1495
1107	\@paths	1496	\@paths
1108	}	1497	}
1109		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1111		1551
1112	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1113		1553
1114	=cut	1554	=cut
1115		1555
1116	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1118		1558
1119	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1560	}
1123		1561
1124	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1125		1602
1126	=back	1603	=back
1127
1128		1604
1129	=head3 cf::map	1605	=head3 cf::map
1130		1606
1131	=over 4	1607	=over 4
1132		1608
…		…
1187	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1188		1664
1189	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1190	local $self->{path};	1666	local $self->{path};
1191	local $self->{load_path};	1667	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1668
1195	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1196	}	1670	}
1197		1671
1198	sub normalise {	1672	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1246	return $self;	1720	return $self;
1247	}	1721	}
1248	}	1722	}
1249		1723
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1725	()
1252	}	1726	}
1253		1727
1254	sub init {	1728	sub init {
1255	my ($self) = @_;	1729	my ($self) = @_;
…		…
1270		1744
1271	# the original (read-only) location	1745	# the original (read-only) location
1272	sub load_path {	1746	sub load_path {
1273	my ($self) = @_;	1747	my ($self) = @_;
1274		1748
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1276	}	1750	}
1277		1751
1278	# the temporary/swap location	1752	# the temporary/swap location
1279	sub save_path {	1753	sub save_path {
1280	my ($self) = @_;	1754	my ($self) = @_;
1281		1755
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1284	}	1758	}
1285		1759
1286	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1287	sub uniq_path {	1761	sub uniq_path {
1288	my ($self) = @_;	1762	my ($self) = @_;
1289		1763
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1292	}	1766	}
1293		1767
1294	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1295	# all maps in C++...	1769	# all maps in C++...
1296	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1298		1772
1299	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1301	}	1775	}
1302		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1303	sub unlink_save {	1785	sub unlink_save {
1304	my ($self) = @_;	1786	my ($self) = @_;
1305		1787
1306	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1791	}
1315		1792
1316	sub load_header_from($) {	1793	sub load_header_from($) {
1317	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1318		1795
1319	utf8::encode $path;	1796	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1325		1805
1326	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1327		1807
1328	1	1808	1
1329	}	1809	}
…		…
1368	$self->load_header_orig	1848	$self->load_header_orig
1369	or return;	1849	or return;
1370	$self->prepare_orig;	1850	$self->prepare_orig;
1371	}	1851	}
1372		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
1373	1	1859	1
1374	}	1860	}
1375		1861
1376	sub find;	1862	sub find;
1377	sub find {	1863	sub find {
1378	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1379		1865
1380	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1381		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1383		1870
1384	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1386	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1387	or return;	1876	or return;
1388		1877
1389	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1390		1879
1391	$map->load_header	1880	$map->load_header
1392	or return;	1881	or return;
1393		1882
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1397	$map->reset;	1888	$map->reset;
1398	undef $guard;
1399	return find $path;	1889	return find $path;
1400	}	1890	}
1401		1891
1402	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1403	}	1893	}
…		…
1410	my ($self) = @_;	1900	my ($self) = @_;
1411		1901
1412	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1413		1903
1414	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1416		1908
		1909	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1911
1419	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1420		1913
1421	$self->alloc;	1914	$self->alloc;
1422		1915
1423	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1424		1918
1425	$self->_load_objects ($self->{load_path}, 1)	1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1426	or return;	1922	or return;
1427		1923
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1925	if delete $self->{load_original};
1430		1926
1431	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1928	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1931	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1436	}	1935	}
1437	}	1936	}
1438		1937
1439	Coro::cede;	1938	$f->resolve_delayed_derefs;
1440		1939
		1940	cf::cede_to_tick;
1441	# now do the right thing for maps	1941	# now do the right thing for maps
1442	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1944	unless $self->difficulty;
1452	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1453	$self->activate;	1954	$self->activate;
		1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
		1960	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1961	}
1455		1962
1456	$self->post_load;	1963	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1964	}
1460		1965
1461	sub customise_for {	1966	sub customise_for {
1462	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1463		1968
1464	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1970	if $self->per_player;
1466		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1467	$self	1975	$self
1468	}	1976	}
1469		1977
1470	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1979	sub load_neighbours {
1472	my ($map) = @_;	1980	my ($map) = @_;
1473		1981
1474	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1475		1983
1476	for (0 .. 3) {	1984	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1478	or next;	1986	or next;
1479	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1480	or next;	1988	or next;
1481	$neigh->load;	1989	$neigh->load;
1482		1990
		1991	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1994	}
1486		1995
1487	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1489	or next;	1999	or next;
1490	$neigh->load;	2000	$neigh->load;
1491	}	2001	}
1492	}	2002	}
1493		2003
…		…
1498	}	2008	}
1499		2009
1500	sub do_load_sync {	2010	sub do_load_sync {
1501	my ($map) = @_;	2011	my ($map) = @_;
1502		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1503	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1504	}	2017	}
1505		2018
1506	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1508		2021
1509	sub find_async {	2022	sub find_async {
1510	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1511		2024
1512	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1513		2026
1514	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2029	}
1517		2030
1518	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1519	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2036	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2037	$map->load if $v;
		2038	}
1525		2039
1526	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1527	}	2041	}
1528	}	2042	}
1529	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1530	};	2044	};
1531	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2048	}
1535		2049
1536	sub save {	2050	sub save {
1537	my ($self) = @_;	2051	my ($self) = @_;
1538		2052
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2054
1541	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1542		2056
1543	return unless $self->dirty;	2057	return unless $self->dirty;
1544		2058
…		…
1567	my ($self) = @_;	2081	my ($self) = @_;
1568		2082
1569	# save first because save cedes	2083	# save first because save cedes
1570	$self->save;	2084	$self->save;
1571		2085
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2087
1574	return if $self->players;	2088	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2090	return if $self->{deny_save};
1577		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2096	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2097	}
1581		2098
1582	sub reset_at {	2099	sub reset_at {
1583	my ($self) = @_;	2100	my ($self) = @_;
1584		2101
1585	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1588		2104
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2107
…		…
1602	my ($self) = @_;	2118	my ($self) = @_;
1603		2119
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2121
1606	return if $self->players;	2122	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2123
1609	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1610		2135
1611	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1612		2137
1613	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2140	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2141
1618	$self->unlink_save;	2142	$self->unlink_save;
1619	$self->destroy;	2143	$self->destroy;
1620	}	2144	}
1621		2145
1622	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1623		2147
1624	sub nuke {	2148	sub nuke {
1625	my ($self) = @_;	2149	my ($self) = @_;
1626		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1627	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1628		2155
1629	$self->unlink_save;	2156	$self->unlink_save;
1630		2157
1631	bless $self, "cf::map";	2158	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2163
1637	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1638		2166
1639	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1640	}	2204	}
1641		2205
1642	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1643		2207
1644	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2209	instantiated unique items. May block.
1646		2210
1647	=cut	2211	=cut
1648		2212
1649	sub unique_maps() {	2213	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1651	or return;	2215	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2216	utf8::decode $_;
1657	next if /\.pst$/;	2217	/\.map$/
1658	next unless /^$PATH_SEP/o;	2218	? normalise $_
1659		2219	: ()
1660	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2221	]
1662
1663	\@paths
1664	}	2222	}
1665		2223
1666	package cf;	2224	package cf;
1667		2225
1668	=back	2226	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1687	}	2245	}
1688		2246
1689	sub inv_recursive {	2247	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1691	}	2280	}
1692		2281
1693	package cf;	2282	package cf;
1694		2283
1695	=back	2284	=back
…		…
1714		2303
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2305
1717	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1719	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1722	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1723	}	2331	}
1724		2332
1725	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1726		2334
1727	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1775		2383
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2385
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1780		2388
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2390	}
1783		2391
1784	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1786		2396
1787	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1788		2398
1789	unless ($map) {	2399	unless ($map) {
1790	# restore original map position	2400	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1807		2417
1808	$map->load;	2418	$map->load;
1809	$map->load_diag;	2419	$map->load_neighbours;
1810		2420
1811	return unless $self->contr->active;	2421	return unless $self->contr->active;
1812	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1814	}	2426	}
1815		2427
1816	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2429
1820	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1824	};	2434	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2435
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1851		2439
1852	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2445
1855	$self->enter_link;	2446	$self->enter_link;
1856		2447
1857	(async {	2448	(async {
1858	my $map = eval {	2449	my $map = eval {
1859	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1861	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2465	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1866	})->prio (1);	2473	})->prio (1);
1867	}	2474	}
1868		2475
1869	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1870		2477
…		…
1909		2516
1910	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1911		2518
1912	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1915		2522
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2525	undef $fh;
1919	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1928		2535
1929	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1930		2537
1931	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1934	}	2543	}
1935		2544
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1939		2548
1940	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1941		2554
1942	(async {	2555	(async {
1943	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2557	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1946		2559
1947	1;	2560	1;
1948	}) {	2561	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2566
1954	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2568	$self->leave_link;
1956	}	2569	}
1957	})->prio (1);	2570	})->prio (1);
…		…
1970		2583
1971	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1973		2586
1974	utf8::encode $text;	2587	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2589	}
1977		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1978		2706
1979	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1980		2708
1981	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2712
1985	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2714	become reliable at some point in the future.
1987		2715
1988	=cut	2716	=cut
1989		2717
1990	sub cf::client::query {	2718	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2727	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2729
2002	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2004	}	2734	}
2005		2735
2006	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2007	on_reply => sub {	2742	on_reply => sub {
2008	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2009		2744
2010	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2011	# get handled first	2746	# get handled first
…		…
2023	} else {	2758	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2760	}
2026	}	2761	}
2027	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2028	);	2789	);
2029		2790
2030	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2031		2792
2032	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2075		2836
2076	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2077		2838
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2079		2844
2080	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2081		2846
2082	=pod	2847	=pod
2083		2848
2084	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2085		2850
2086	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2087	cf::object::player player	2855	cf::object::player
2088	cf::player peaceful	2856	player
2089	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2090		2863
2091	=cut	2864	=cut
2092		2865
2093	for (	2866	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2098	) {	2873	) {
2099	no strict 'refs';	2874	no strict 'refs';
…		…
2170	=back	2945	=back
2171		2946
2172	=cut	2947	=cut
2173		2948
2174	#############################################################################	2949	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2950	# the server's init and main functions
2284		2951
2285	sub load_resources {	2952	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2953	my ($path) = @_;
		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2960
		2961	warn "loading facedata from $path\n";
		2962
		2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
		2966
		2967	$facedata = Coro::Storable::thaw $facedata;
		2968
		2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
		2979	{
		2980	my $faces = $facedata->{faceinfo};
		2981
		2982	while (my ($face, $info) = each %$faces) {
		2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
		2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991
		2992	while (my ($face, $info) = each %$faces) {
		2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
		3002
		3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3084	or die "unable to load regions file\n";
2288	}
2289		3085
2290	sub cfg_load {	3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3130	or return;
2293		3131
2294	local $/;	3132	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2296		3134
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3142	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3143	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3144	};
2307	warn $@ if $@;	3145	warn $@ if $@;
2308	}	3146	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3147	}
2314		3148
2315	sub main {	3149	sub main {
2316	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
…		…
2319	(async {	3153	(async {
2320	Event::one_event;	3154	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2322	};	3156	};
2323		3157
2324	cfg_load;	3158	reload_config;
2325	db_load;	3159	db_init;
2326	load_extensions;	3160	load_extensions;
2327		3161
2328	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2329	Event::loop;	3163	Event::loop;
2330	}	3164	}
…		…
2345	},	3179	},
2346	);	3180	);
2347	}	3181	}
2348	}	3182	}
2349		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2350	sub emergency_save() {	3222	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2352		3224
2353	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2354		3226
…		…
2369	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3242	$map->valid or next;
2371	$map->save;	3243	$map->save;
2372	}	3244	}
2373	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2374	};	3250	};
2375		3251
2376	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2377	}	3253	}
2378		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2379	sub reload() {	3262	sub do_reload_perl() {
2380	# can/must only be called in main	3263	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2383	return;	3266	return;
2384	}	3267	}
2385		3268
2386	warn "reloading...";	3269	warn "reloading...";
2387		3270
2388	warn "cancelling server ticker";	3271	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2392		3277
2393	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2394	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3282
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3286	}
2403		3287
2404	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2405	for (;;) {	3289	for (;;) {
		3290	BDB::flush;
2406	IO::AIO::flush;	3291	IO::AIO::flush;
2407	Coro::cede;	3292	Coro::cede;
2408	last unless IO::AIO::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3294	warn "iterate...";
2410	}	3295	}
		3296
		3297	++$RELOAD;
2411		3298
2412	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3301	%EXT_CORO = ();
2415		3302
2416	warn "removing commands";	3303	warn "removing commands";
2417	%COMMAND = ();	3304	%COMMAND = ();
2418		3305
2419	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2421		3309
2422	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2425		3313
…		…
2455	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3345
2458	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2460		3349
2461	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3351	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2464		3353
…		…
2467	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2468	require cf;	3357	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3359
2471	warn "loading config and database again";	3360	warn "loading config and database again";
2472	cf::cfg_load;	3361	cf::reload_config;
2473	cf::db_load;
2474		3362
2475	warn "loading extensions";	3363	warn "loading extensions";
2476	cf::load_extensions;	3364	cf::load_extensions;
2477		3365
2478	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3367	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2482		3372
2483	warn "loading reloadable resources";	3373	warn "leaving sync_job";
2484	load_resources;
2485		3374
2486	warn "restarting server ticker";	3375	1
2487		3376	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3377	warn $@;
2493	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2494	exit 1;	3379	exit 1;
2495	}	3380	};
2496		3381
2497	warn "reloaded";	3382	warn "reloaded";
2498	};	3383	};
2499		3384
2500	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2501		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2502	register_command "reload" => sub {	3402	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2504		3404
2505	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2507		3407	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3408	}
2521	};	3409	};
2522		3410
2523	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2524		3412
2525	my $bug_warning = 0;	3413	my $bug_warning = 0;
2526		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3439	reentrant => 0,
2529	parked => 1,	3440	parked => 1,
2530	prio => 0,	3441	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2537	return;	3448	return;
2538	}	3449	}
2539		3450
2540	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2541		3452
2542	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2543	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2545		3480
2546	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3483	Coro::async_pool {
2549	Event::sweep;	3484	write_runtime
2550	Coro::cede_notself;	3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
2551		3487	}
		3488
2552	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2554		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2555	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3503
2558	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2560	},	3513	},
2561	);	3514	);
2562		3515
2563	{	3516	{
2564	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3542
2590	unless ($DB_ENV) {	3543	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3544	$DB_ENV = BDB::db_env_create;
2592		3545
2593	cf::sync_job {	3546	cf::sync_job {
		3547	eval {
2594	BDB::db_env_open	3548	BDB::db_env_open
2595	$DB_ENV,	3549	$DB_ENV,
2596	$BDB_ENV_DIR,	3550	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3553	0666;
2600		3554
2601	cf::cleanup "$!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3556
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3562	};
2605	}	3563	}
2606	}	3564	}
2607		3565
2608	{	3566	{
…		…
2610		3568
2611	undef $Coro::AIO::WATCHER;	3569	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3574	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3575	poll => 'r',
2617	prio => 6,	3576	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2620	);	3578	);
2621	}	3579	}
2622		3580
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3581	my $_log_backtrace;
2624	reentrant => 0,	3582
2625	data => WF_AUTOCANCEL,	3583	sub _log_backtrace {
2626	after => 1,	3584	my ($msg, @addr) = @_;
2627	interval => 10,	3585
2628	prio => 6, # keep it lowest so it acts like a watchdog	3586	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3587
2630	write_runtime	3588	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3616	}
2633	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2634		3621
2635	END { cf::emergency_save }	3622	END { cf::emergency_save }
2636		3623
2637	1	3624	1
2638		3625

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