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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 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
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
…		…
956	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
957		1285
958	=cut	1286	=cut
959		1287
960	sub playerdir($) {	1288	sub playerdir($) {
961	cf::localdir	1289	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1291	}
967		1292
968	sub path($) {	1293	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1295
971	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
972	}	1297	}
973		1298
974	sub find_active($) {	1299	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1314	my $login = $_[0];
990		1315
991	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
992		1317
993	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
995	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
997	}	1335	}
998	}	1336	}
999	}	1337	}
1000		1338
…		…
1010		1348
1011	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1013		1351
1014	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1015	Coro::cede;	1353	cf::cede_to_tick;
1016	}	1354	}
1017		1355
1018	sub new($) {	1356	sub new($) {
1019	my ($login) = @_;	1357	my ($login) = @_;
1020		1358
…		…
1026	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1027		1365
1028	$self	1366	$self
1029	}	1367	}
1030		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1031	=item $pl->quit_character	1379	=item $pl->quit_character
1032		1380
1033	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1035		1383
1036	=cut	1384	=cut
1037		1385
1038	sub quit_character {	1386	sub quit_character {
1039	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1040		1390
1041	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1393
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1054	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1055	}	1425	}
1056		1426
1057	=item cf::player::list_logins	1427	=item cf::player::list_logins
1058		1428
1059	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1061		1431
1062	=cut	1432	=cut
1063		1433
1064	sub list_logins {	1434	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1436	or return [];
1067		1437
1068	my @logins;	1438	my @logins;
1069		1439
1070	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1074		1449
1075	utf8::decode $login;	1450	utf8::decode $login;
1076	push @logins, $login;	1451	push @logins, $login;
1077	}	1452	}
1078		1453
…		…
1105	}	1480	}
1106		1481
1107	\@paths	1482	\@paths
1108	}	1483	}
1109		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1111		1537
1112	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1113		1539
1114	=cut	1540	=cut
1115		1541
1116	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1118		1544
1119	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1546	}
1123		1547
1124	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1125		1588
1126	=back	1589	=back
1127
1128		1590
1129	=head3 cf::map	1591	=head3 cf::map
1130		1592
1131	=over 4	1593	=over 4
1132		1594
…		…
1187	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1188		1650
1189	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1190	local $self->{path};	1652	local $self->{path};
1191	local $self->{load_path};	1653	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1654
1195	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1196	}	1656	}
1197		1657
1198	sub normalise {	1658	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1246	return $self;	1706	return $self;
1247	}	1707	}
1248	}	1708	}
1249		1709
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1711	()
1252	}	1712	}
1253		1713
1254	sub init {	1714	sub init {
1255	my ($self) = @_;	1715	my ($self) = @_;
…		…
1270		1730
1271	# the original (read-only) location	1731	# the original (read-only) location
1272	sub load_path {	1732	sub load_path {
1273	my ($self) = @_;	1733	my ($self) = @_;
1274		1734
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1276	}	1736	}
1277		1737
1278	# the temporary/swap location	1738	# the temporary/swap location
1279	sub save_path {	1739	sub save_path {
1280	my ($self) = @_;	1740	my ($self) = @_;
1281		1741
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1284	}	1744	}
1285		1745
1286	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1287	sub uniq_path {	1747	sub uniq_path {
1288	my ($self) = @_;	1748	my ($self) = @_;
1289		1749
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1292	}	1752	}
1293		1753
1294	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1295	# all maps in C++...	1755	# all maps in C++...
1296	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1298		1758
1299	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1301	}	1761	}
1302		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1303	sub unlink_save {	1771	sub unlink_save {
1304	my ($self) = @_;	1772	my ($self) = @_;
1305		1773
1306	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1776	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	}	1777	}
1315		1778
1316	sub load_header_from($) {	1779	sub load_header_from($) {
1317	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1318		1781
1319	utf8::encode $path;	1782	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1325		1791
1326	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1327		1793
1328	1	1794	1
1329	}	1795	}
…		…
1368	$self->load_header_orig	1834	$self->load_header_orig
1369	or return;	1835	or return;
1370	$self->prepare_orig;	1836	$self->prepare_orig;
1371	}	1837	}
1372		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1373	1	1845	1
1374	}	1846	}
1375		1847
1376	sub find;	1848	sub find;
1377	sub find {	1849	sub find {
1378	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1379		1851
1380	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1381		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1383		1856
1384	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1386	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1387	or return;	1862	or return;
1388		1863
1389	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1390		1865
1391	$map->load_header	1866	$map->load_header
1392	or return;	1867	or return;
1393		1868
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1397	$map->reset;	1874	$map->reset;
1398	undef $guard;
1399	return find $path;	1875	return find $path;
1400	}	1876	}
1401		1877
1402	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1403	}	1879	}
…		…
1410	my ($self) = @_;	1886	my ($self) = @_;
1411		1887
1412	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1413		1889
1414	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1416		1894
		1895	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1897
1419	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1420		1899
1421	$self->alloc;	1900	$self->alloc;
1422		1901
1423	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1424		1904
1425	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1426	or return;	1908	or return;
1427		1909
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1911	if delete $self->{load_original};
1430		1912
1431	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1914	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1917	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1436	}	1921	}
1437	}	1922	}
1438		1923
1439	Coro::cede;	1924	$f->resolve_delayed_derefs;
1440		1925
		1926	cf::cede_to_tick;
1441	# now do the right thing for maps	1927	# now do the right thing for maps
1442	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1443
1444	unless ($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)	1929	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1930	unless $self->difficulty;
1452	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1453	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1947	}
1455		1948
1456	$self->post_load;	1949	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1950	}
1460		1951
1461	sub customise_for {	1952	sub customise_for {
1462	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1463		1954
1464	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1956	if $self->per_player;
1466		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1467	$self	1961	$self
1468	}	1962	}
1469		1963
1470	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1965	sub load_neighbours {
1472	my ($map) = @_;	1966	my ($map) = @_;
1473		1967
1474	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1475		1969
1476	for (0 .. 3) {	1970	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1478	or next;	1972	or next;
1479	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1480	or next;	1974	or next;
1481	$neigh->load;	1975	$neigh->load;
1482		1976
		1977	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1980	}
1486		1981
1487	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1489	or next;	1985	or next;
1490	$neigh->load;	1986	$neigh->load;
1491	}	1987	}
1492	}	1988	}
1493		1989
…		…
1498	}	1994	}
1499		1995
1500	sub do_load_sync {	1996	sub do_load_sync {
1501	my ($map) = @_;	1997	my ($map) = @_;
1502		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1503	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1504	}	2003	}
1505		2004
1506	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1508		2007
1509	sub find_async {	2008	sub find_async {
1510	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1511		2010
1512	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1513		2012
1514	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2015	}
1517		2016
1518	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1519	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2022	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2023	$map->load if $v;
		2024	}
1525		2025
1526	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1527	}	2027	}
1528	}	2028	}
1529	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1530	};	2030	};
1531	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2034	}
1535		2035
1536	sub save {	2036	sub save {
1537	my ($self) = @_;	2037	my ($self) = @_;
1538		2038
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2040
1541	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1542		2042
1543	return unless $self->dirty;	2043	return unless $self->dirty;
1544		2044
…		…
1567	my ($self) = @_;	2067	my ($self) = @_;
1568		2068
1569	# save first because save cedes	2069	# save first because save cedes
1570	$self->save;	2070	$self->save;
1571		2071
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2073
1574	return if $self->players;	2074	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2076	return if $self->{deny_save};
1577		2077
		2078	$self->deactivate;
1578	$self->clear;	2079	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2081	}
1581		2082
1582	sub reset_at {	2083	sub reset_at {
1583	my ($self) = @_;	2084	my ($self) = @_;
1584		2085
1585	# TODO: safety, remove and allow resettable per-player maps	2086	# 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};	2087	return 1e99 if $self->{deny_reset};
1588		2088
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2091
…		…
1602	my ($self) = @_;	2102	my ($self) = @_;
1603		2103
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2105
1606	return if $self->players;	2106	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2107
1609	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1610		2119
1611	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1612		2121
1613	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1614	$self->clear;	2123	$self->clear;
1615		2124
1616	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1617		2126
1618	$self->unlink_save;	2127	$self->unlink_save;
…		…
1622	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1623		2132
1624	sub nuke {	2133	sub nuke {
1625	my ($self) = @_;	2134	my ($self) = @_;
1626		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1627	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1628		2140
1629	$self->unlink_save;	2141	$self->unlink_save;
1630		2142
1631	bless $self, "cf::map";	2143	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2148
1637	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1638		2151
1639	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1640	}	2189	}
1641		2190
1642	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1643		2192
1644	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2194	instantiated unique items. May block.
1646		2195
1647	=cut	2196	=cut
1648		2197
1649	sub unique_maps() {	2198	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1651	or return;	2200	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2201	utf8::decode $_;
1657	next if /\.pst$/;	2202	/\.map$/
1658	next unless /^$PATH_SEP/o;	2203	? normalise $_
1659		2204	: ()
1660	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2206	]
1662
1663	\@paths
1664	}	2207	}
1665		2208
1666	package cf;	2209	package cf;
1667		2210
1668	=back	2211	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1687	}	2230	}
1688		2231
1689	sub inv_recursive {	2232	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1691	}	2265	}
1692		2266
1693	package cf;	2267	package cf;
1694		2268
1695	=back	2269	=back
…		…
1714		2288
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2290
1717	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1719	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1722	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1723	}	2316	}
1724		2317
1725	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1726		2319
1727	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1775		2368
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2370
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1780		2373
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2375	}
1783		2376
1784	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1786		2381
1787	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1788		2383
1789	unless ($map) {	2384	unless ($map) {
1790	# restore original map position	2385	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1807		2402
1808	$map->load;	2403	$map->load;
1809	$map->load_diag;	2404	$map->load_neighbours;
1810		2405
1811	return unless $self->contr->active;	2406	return unless $self->contr->active;
1812	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1814	}	2411	}
1815		2412
1816	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2414
1820	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1824	};	2419	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2420
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	2421	=cut
		2422
		2423	our $GOTOGEN;
1851		2424
1852	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2430
1855	$self->enter_link;	2431	$self->enter_link;
1856		2432
1857	(async {	2433	(async {
1858	my $map = eval {	2434	my $map = eval {
1859	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1861	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2450	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1866	})->prio (1);	2458	})->prio (1);
1867	}	2459	}
1868		2460
1869	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1870		2462
…		…
1909		2501
1910	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1911		2503
1912	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1915		2507
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2510	undef $fh;
1919	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1928		2520
1929	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1930		2522
1931	if ($exit->slaying eq "/!") {	2523	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2527	cf::sync_job { prepare_random_map $exit };
1934	}	2528	}
1935		2529
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
1939		2533
1940	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1941		2539
1942	(async {	2540	(async {
1943	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2542	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
1946		2544
1947	1;	2545	1;
1948	}) {	2546	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2551
1954	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2553	$self->leave_link;
1956	}	2554	}
1957	})->prio (1);	2555	})->prio (1);
…		…
1970		2568
1971	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1973		2571
1974	utf8::encode $text;	2572	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2574	}
1977		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1978		2691
1979	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1980		2693
1981	Queues a query to the client, calling the given callback with	2694	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>,	2695	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>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2697
1985	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2699	become reliable at some point in the future.
1987		2700
1988	=cut	2701	=cut
1989		2702
1990	sub cf::client::query {	2703	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2712	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2714
2002	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2004	}	2719	}
2005		2720
2006	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2007	on_reply => sub {	2727	on_reply => sub {
2008	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2009		2729
2010	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2011	# get handled first	2731	# get handled first
…		…
2023	} else {	2743	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2745	}
2026	}	2746	}
2027	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2028	);	2774	);
2029		2775
2030	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2031		2777
2032	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2075		2821
2076	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2077		2823
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2079		2829
2080	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2081		2831
2082	=pod	2832	=pod
2083		2833
2084	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2085		2835
2086	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2087	cf::object::player player	2840	cf::object::player
2088	cf::player peaceful	2841	player
2089	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2090		2848
2091	=cut	2849	=cut
2092		2850
2093	for (	2851	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2098	) {	2858	) {
2099	no strict 'refs';	2859	no strict 'refs';
…		…
2170	=back	2930	=back
2171		2931
2172	=cut	2932	=cut
2173		2933
2174	#############################################################################	2934	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$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	2935	# the server's init and main functions
2284		2936
2285	sub load_resources {	2937	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2945
		2946	warn "loading facedata from $path\n";
		2947
		2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
		2951
		2952	$facedata = Coro::Storable::thaw $facedata;
		2953
		2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
		2964	{
		2965	my $faces = $facedata->{faceinfo};
		2966
		2967	while (my ($face, $info) = each %$faces) {
		2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
		2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2973
		2974	cf::cede_to_tick;
		2975	}
		2976
		2977	while (my ($face, $info) = each %$faces) {
		2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
		2987
		2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3069	or die "unable to load regions file\n";
2288	}
2289		3070
2290	sub cfg_load {	3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3115	or return;
2293		3116
2294	local $/;	3117	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2296		3119
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3127	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3128	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3129	};
2307	warn $@ if $@;	3130	warn $@ if $@;
2308	}	3131	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3132	}
2314		3133
2315	sub main {	3134	sub main {
2316	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
…		…
2319	(async {	3138	(async {
2320	Event::one_event;	3139	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2322	};	3141	};
2323		3142
2324	cfg_load;	3143	reload_config;
2325	db_load;	3144	db_init;
2326	load_extensions;	3145	load_extensions;
2327		3146
2328	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2329	Event::loop;	3148	Event::loop;
2330	}	3149	}
…		…
2345	},	3164	},
2346	);	3165	);
2347	}	3166	}
2348	}	3167	}
2349		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2350	sub emergency_save() {	3207	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2352		3209
2353	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2354		3211
…		…
2369	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3227	$map->valid or next;
2371	$map->save;	3228	$map->save;
2372	}	3229	}
2373	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2374	};	3235	};
2375		3236
2376	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2377	}	3238	}
2378		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2379	sub reload() {	3247	sub do_reload_perl() {
2380	# can/must only be called in main	3248	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2383	return;	3251	return;
2384	}	3252	}
2385		3253
2386	warn "reloading...";	3254	warn "reloading...";
2387		3255
2388	warn "cancelling server ticker";	3256	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2392		3262
2393	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2394	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3267
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3271	}
2403		3272
2404	warn "flushing outstanding aio requests";	3273	warn "flushing outstanding aio requests";
2405	for (;;) {	3274	for (;;) {
		3275	BDB::flush;
2406	IO::AIO::flush;	3276	IO::AIO::flush;
2407	Coro::cede;	3277	Coro::cede;
2408	last unless IO::AIO::nreqs;	3278	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3279	warn "iterate...";
2410	}	3280	}
		3281
		3282	++$RELOAD;
2411		3283
2412	warn "cancelling all extension coros";	3284	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3286	%EXT_CORO = ();
2415		3287
2416	warn "removing commands";	3288	warn "removing commands";
2417	%COMMAND = ();	3289	%COMMAND = ();
2418		3290
2419	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2421		3294
2422	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2425		3298
…		…
2455	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3330
2458	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2460		3334
2461	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3336	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2464		3338
…		…
2467	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2468	require cf;	3342	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3344
2471	warn "loading config and database again";	3345	warn "loading config and database again";
2472	cf::cfg_load;	3346	cf::reload_config;
2473	cf::db_load;
2474		3347
2475	warn "loading extensions";	3348	warn "loading extensions";
2476	cf::load_extensions;	3349	cf::load_extensions;
2477		3350
2478	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3352	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
		3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2482		3357
2483	warn "loading reloadable resources";	3358	warn "leaving sync_job";
2484	load_resources;
2485		3359
2486	warn "restarting server ticker";	3360	1
2487		3361	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3362	warn $@;
2493	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2494	exit 1;	3364	exit 1;
2495	}	3365	};
2496		3366
2497	warn "reloaded";	3367	warn "reloaded";
2498	};	3368	};
2499		3369
2500	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2501		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2502	register_command "reload" => sub {	3387	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2504		3389
2505	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2507		3392	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	}	3393	}
2521	};	3394	};
2522		3395
2523	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2524		3397
2525	my $bug_warning = 0;	3398	my $bug_warning = 0;
2526		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3424	reentrant => 0,
2529	parked => 1,	3425	parked => 1,
2530	prio => 0,	3426	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2537	return;	3433	return;
2538	}	3434	}
2539		3435
2540	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2541		3437
2542	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2543	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2545		3465
2546	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3468	Coro::async_pool {
2549	Event::sweep;	3469	write_runtime
2550	Coro::cede_notself;	3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
2551		3472	}
		3473
2552	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2554		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2555	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3488
2558	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2560	},	3498	},
2561	);	3499	);
2562		3500
2563	{	3501	{
2564	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3527
2590	unless ($DB_ENV) {	3528	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3529	$DB_ENV = BDB::db_env_create;
2592		3530
2593	cf::sync_job {	3531	cf::sync_job {
		3532	eval {
2594	BDB::db_env_open	3533	BDB::db_env_open
2595	$DB_ENV,	3534	$DB_ENV,
2596	$BDB_ENV_DIR,	3535	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3538	0666;
2600		3539
2601	cf::cleanup "$!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3541
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3547	};
2605	}	3548	}
2606	}	3549	}
2607		3550
2608	{	3551	{
…		…
2610		3553
2611	undef $Coro::AIO::WATCHER;	3554	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3555	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3559	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3560	poll => 'r',
2617	prio => 6,	3561	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2620	);	3563	);
2621	}	3564	}
2622		3565
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3566	my $_log_backtrace;
2624	reentrant => 0,	3567
2625	data => WF_AUTOCANCEL,	3568	sub _log_backtrace {
2626	after => 1,	3569	my ($msg, @addr) = @_;
2627	interval => 10,	3570
2628	prio => 6, # keep it lowest so it acts like a watchdog	3571	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3572
2630	write_runtime	3573	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3601	}
2633	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2634		3606
2635	END { cf::emergency_save }	3607	END { cf::emergency_save }
2636		3608
2637	1	3609	1
2638		3610

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