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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.365 by root, Tue Sep 11 13:27:56 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
54		88
55	our %CFG;	89	our %CFG;
56		90
57	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	92	our $RUNTIME;
59		93
60	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		97
68	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
71	binmode STDOUT;	105	binmode STDOUT;
72	binmode STDERR;	106	binmode STDERR;
73		107
74	# read virtual server time, if available	108	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
79	}	113	}
80		114
81	mkdir cf::localdir;	115	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		117
87	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
88		119
89	sub cf::map::normalise;	120	sub cf::map::normalise;
90		121
…		…
101	=item $cf::RUNTIME	132	=item $cf::RUNTIME
102		133
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	135	every server tick.
105		136
106	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		140
108	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
110		145
111	=item $cf::NOW	146	=item $cf::NOW
112		147
113	The time of the last (current) server tick.	148	The time of the last (current) server tick.
114		149
115	=item $cf::TICK	150	=item $cf::TICK
116		151
117	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
118		163
119	=item %cf::CFG	164	=item %cf::CFG
120		165
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	167	from wherever your confdir points to.
123		168
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		170
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
130		180
131	=back	181	=back
132		182
133	=cut	183	=cut
134		184
135	BEGIN {	185	BEGIN {
136	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	187	my $msg = join "", @_;
138	utf8::encode $msg;
139		188
140	$msg .= "\n"	189	$msg .= "\n"
141	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
142		193
143	LOG llevError, $msg;	194	LOG llevError, $msg;
144	};	195	};
145	}	196	}
146		197
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		205
154	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	207	# within the Safe compartment.
156	for my $pkg (qw(	208	for my $pkg (qw(
157	cf::global cf::attachable	209	cf::global cf::attachable
…		…
165	}	217	}
166		218
167	$Event::DIED = sub {	219	$Event::DIED = sub {
168	warn "error in event callback: @_";	220	warn "error in event callback: @_";
169	};	221	};
		222
		223	#############################################################################
170		224
171	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
172		226
173	=over 4	227	=over 4
174		228
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	248	$d
195	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
196	}	250	}
197		251
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
201		253
202	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
203		255
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
212		257
213	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
214		259
215	=cut	260	=cut
216		261
217	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
219	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
221		266
222	=item cf::lock_wait $string	267	=item cf::lock_wait $string
223		268
224	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
225		270
…		…
228	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
231	returned.	276	returned.
232		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
233	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
235		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
236	=cut	288	=cut
237		289
238	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
239		292
240	sub lock_wait($) {	293	sub lock_wait($) {
241	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
242		300
243	# wait for lock, if any	301	# wait for lock, if any
244	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	304	Coro::schedule;
…		…
252		310
253	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
254	lock_wait $key;	312	lock_wait $key;
255		313
256	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
257		316
258	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
261	}	321	}
262	}	322	}
263		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
264	sub freeze_mainloop {	330	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
266		332
267	my $guard = Coro::guard {	333	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	335	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
273	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
274	}	394	}
275		395
276	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
277		397
278	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		403
284	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
285		405
286	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
287		407
288	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
291		412
292	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
295	fast or be very important.	416	fast or be very important.
…		…
298		419
299	sub sync_job(&) {	420	sub sync_job(&) {
300	my ($job) = @_;	421	my ($job) = @_;
301		422
302	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
303	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
305		428
306	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
318		441
319	while ($busy) {	442	while ($busy) {
320	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
321	}	444	}
322		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
323	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
324	} else {	454	} else {
325	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
326		456
327	$job->()	457	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
347		477
348	$coro	478	$coro
349	}	479	}
350		480
351	sub write_runtime {	481	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		482
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
355	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
356		487
357	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		489
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
362	and return;	491	my ($cb, @args) = @_;
363		492
364	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
366	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
367		496
368	close $fh	497	my @res = Coro::Util::fork_eval {
369	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
370		501
371	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
372	and return;	503	}
373		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
374	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	641	}
376		642
377	=back	643	=back
378		644
379	=cut	645	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
388		654
389	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	657	Crossfire TRT).
392		658
393	=over 4	659	=over 4
394		660
395	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
396		662
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
560		826
561	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		831
566	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	833	my $pkg = shift @arg;
568		834
569	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
599	}	865	}
600		866
601	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
602	} else {	868	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	870	}
605		871
606	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
607	}	873	}
608		874
…		…
610	if (ref $_[0]) {	876	if (ref $_[0]) {
611	_object_attach @_;	877	_object_attach @_;
612	} else {	878	} else {
613	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
614	}	880	}
		881	_recalc_want;
615	};	882	};
616		883
617	# all those should be optimised	884	# all those should be optimised
618	sub cf::attachable::detach {	885	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
623	reattach ($obj);	890	reattach ($obj);
624	} else {	891	} else {
625	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
626	}	893	}
		894	_recalc_want;
627	};	895	};
628		896
629	sub cf::attachable::attached {	897	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
631		899
…		…
646	";	914	";
647	die if $@;	915	die if $@;
648	}	916	}
649		917
650	our $override;	918	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		920
653	sub override {	921	sub override {
654	$override = 1;	922	$override = 1;
655	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
656	}	924	}
657		925
658	sub do_invoke {	926	sub do_invoke {
659	my $event = shift;	927	my $event = shift;
660	my $callbacks = shift;	928	my $callbacks = shift;
661		929
662	@invoke_results = ();	930	@INVOKE_RESULTS = ();
663		931
664	local $override;	932	local $override;
665		933
666	for (@$callbacks) {	934	for (@$callbacks) {
667	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
684		952
685	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
686		954
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		958
691	=back	959	=back
692		960
693	=cut	961	=cut
694		962
695	#############################################################################	963	#############################################################################
696	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
697		976
698	sub reattach {	977	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	979	my ($obj) = @_;
701		980
…		…
746	);	1025	);
747		1026
748	sub object_freezer_save {	1027	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
750		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
751	sync_job {	1032	sync_job {
752	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
755		1037
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
778	}	1060	}
779	} else {	1061	} else {
780	aio_unlink $filename;	1062	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
782	}	1064	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1065	};
		1066
		1067	undef $guard;
790	}	1068	}
791		1069
792	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
794		1072
…		…
800	sub object_thawer_load {	1078	sub object_thawer_load {
801	my ($filename) = @_;	1079	my ($filename) = @_;
802		1080
803	my ($data, $av);	1081	my ($data, $av);
804		1082
805	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1084
808	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
809	or return;	1086	or return;
810		1087
811	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
813	or return;	1090	or return;
		1091
		1092	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1094	}
816		1095
		1096	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
819	return ($data, $av);	1100	($data, $av)
820	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
821		1108
822	#############################################################################	1109	#############################################################################
823	# command handling &c	1110	# command handling &c
824		1111
825	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1126	}
840		1127
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1129
843	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
844		1135
845	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
846	called.	1137	called.
847		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
848	=cut	1150	=cut
849		1151
850	sub register_extcmd {	1152	sub register_extcmd {
851	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
852		1154
853	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
854	}	1162	}
855		1163
856	cf::player->attach (	1164	cf::player->attach (
857	on_command => sub {	1165	on_command => sub {
858	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1175	cf::override;
868	},	1176	},
869	on_extcmd => sub {	1177	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
871		1179
872	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1181
874	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
880	} else {	1197	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1199	}
883		1200
884	cf::override;	1201	cf::override;
885	},	1202	},
886	);	1203	);
887		1204
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
923	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1210	next unless -r $path;
925	eval {	1211
926	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
927	1	1269	}
928	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
929	}	1275	};
930	}	1276	}
931		1277
932	#############################################################################	1278	#############################################################################
933		1279
		1280	=back
		1281
934	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
935		1283
936	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
937		1285
938	=cut	1286	=cut
…		…
943		1291
944	=head3 cf::player	1292	=head3 cf::player
945		1293
946	=over 4	1294	=over 4
947		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
948	=item cf::player::find $login	1310	=item cf::player::find $login
949		1311
950	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
951		1313
952	=cut	1314	=cut
953		1315
954	sub playerdir($) {	1316	sub playerdir($) {
955	cf::localdir	1317	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1319	}
961		1320
962	sub path($) {	1321	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1323
965	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
966	}	1325	}
967		1326
968	sub find_active($) {	1327	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1342	my $login = $_[0];
984		1343
985	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
986		1345
987	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
989	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
991	}	1363	}
992	}	1364	}
993	}	1365	}
994		1366
…		…
1004		1376
1005	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1007		1379
1008	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1009	Coro::cede;	1381	cf::cede_to_tick;
1010	}	1382	}
1011		1383
1012	sub new($) {	1384	sub new($) {
1013	my ($login) = @_;	1385	my ($login) = @_;
1014		1386
…		…
1020	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1021		1393
1022	$self	1394	$self
1023	}	1395	}
1024		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1025	=item $pl->quit_character	1407	=item $pl->quit_character
1026		1408
1027	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1029		1411
1030	=cut	1412	=cut
1031		1413
1032	sub quit_character {	1414	sub quit_character {
1033	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1034		1418
1035	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1421
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1048	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1049	}	1453	}
1050		1454
1051	=item cf::player::list_logins	1455	=item cf::player::list_logins
1052		1456
1053	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1055		1459
1056	=cut	1460	=cut
1057		1461
1058	sub list_logins {	1462	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1464	or return [];
1061		1465
1062	my @logins;	1466	my @logins;
1063		1467
1064	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1068		1477
1069	utf8::decode $login;	1478	utf8::decode $login;
1070	push @logins, $login;	1479	push @logins, $login;
1071	}	1480	}
1072		1481
…		…
1099	}	1508	}
1100		1509
1101	\@paths	1510	\@paths
1102	}	1511	}
1103		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1105		1565
1106	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1107		1567
1108	=cut	1568	=cut
1109		1569
1110	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1112		1572
1113	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1574	}
1117		1575
1118	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1119		1616
1120	=back	1617	=back
1121
1122		1618
1123	=head3 cf::map	1619	=head3 cf::map
1124		1620
1125	=over 4	1621	=over 4
1126		1622
…		…
1181	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1182		1678
1183	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1184	local $self->{path};	1680	local $self->{path};
1185	local $self->{load_path};	1681	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1682
1189	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1190	}	1684	}
1191		1685
1192	sub normalise {	1686	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1240	return $self;	1734	return $self;
1241	}	1735	}
1242	}	1736	}
1243		1737
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1739	()
1246	}	1740	}
1247		1741
1248	sub init {	1742	sub init {
1249	my ($self) = @_;	1743	my ($self) = @_;
…		…
1264		1758
1265	# the original (read-only) location	1759	# the original (read-only) location
1266	sub load_path {	1760	sub load_path {
1267	my ($self) = @_;	1761	my ($self) = @_;
1268		1762
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1270	}	1764	}
1271		1765
1272	# the temporary/swap location	1766	# the temporary/swap location
1273	sub save_path {	1767	sub save_path {
1274	my ($self) = @_;	1768	my ($self) = @_;
1275		1769
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1278	}	1772	}
1279		1773
1280	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1281	sub uniq_path {	1775	sub uniq_path {
1282	my ($self) = @_;	1776	my ($self) = @_;
1283		1777
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1286	}	1780	}
1287		1781
1288	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1289	# all maps in C++...	1783	# all maps in C++...
1290	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1292		1786
1293	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1295	}	1789	}
1296		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1297	sub unlink_save {	1799	sub unlink_save {
1298	my ($self) = @_;	1800	my ($self) = @_;
1299		1801
1300	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1805	}
1309		1806
1310	sub load_header_from($) {	1807	sub load_header_from($) {
1311	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1312		1809
1313	utf8::encode $path;	1810	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1319		1819
1320	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1321		1821
1322	1	1822	1
1323	}	1823	}
…		…
1362	$self->load_header_orig	1862	$self->load_header_orig
1363	or return;	1863	or return;
1364	$self->prepare_orig;	1864	$self->prepare_orig;
1365	}	1865	}
1366		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1367	1	1873	1
1368	}	1874	}
1369		1875
1370	sub find;	1876	sub find;
1371	sub find {	1877	sub find {
1372	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1373		1879
1374	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1375		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1377		1884
1378	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1380	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1381	or return;	1890	or return;
1382		1891
1383	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1384		1893
1385	$map->load_header	1894	$map->load_header
1386	or return;	1895	or return;
1387		1896
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1391	$map->reset;	1902	$map->reset;
1392	undef $guard;
1393	return find $path;	1903	return find $path;
1394	}	1904	}
1395		1905
1396	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1397	}	1907	}
…		…
1404	my ($self) = @_;	1914	my ($self) = @_;
1405		1915
1406	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1407		1917
1408	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1410		1922
		1923	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1925
1413	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1414		1927
1415	$self->alloc;	1928	$self->alloc;
1416		1929
1417	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1418		1932
1419	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1420	or return;	1936	or return;
1421		1937
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1939	if delete $self->{load_original};
1424		1940
1425	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1942	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1945	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1430	}	1949	}
1431	}	1950	}
1432		1951
1433	Coro::cede;	1952	$f->resolve_delayed_derefs;
1434		1953
		1954	cf::cede_to_tick;
1435	# now do the right thing for maps	1955	# now do the right thing for maps
1436	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1958	unless $self->difficulty;
1446	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1447	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1975	}
1449		1976
1450	$self->post_load;	1977	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1978	}
1454		1979
1455	sub customise_for {	1980	sub customise_for {
1456	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1457		1982
1458	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1984	if $self->per_player;
1460		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1461	$self	1989	$self
1462	}	1990	}
1463		1991
1464	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1993	sub load_neighbours {
1466	my ($map) = @_;	1994	my ($map) = @_;
1467		1995
1468	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1469		1997
1470	for (0 .. 3) {	1998	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1472	or next;	2000	or next;
1473	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1474	or next;	2002	or next;
1475	$neigh->load;	2003	$neigh->load;
1476		2004
		2005	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2008	}
1480		2009
1481	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1483	or next;	2013	or next;
1484	$neigh->load;	2014	$neigh->load;
1485	}	2015	}
1486	}	2016	}
1487		2017
…		…
1492	}	2022	}
1493		2023
1494	sub do_load_sync {	2024	sub do_load_sync {
1495	my ($map) = @_;	2025	my ($map) = @_;
1496		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1497	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1498	}	2031	}
1499		2032
1500	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1502		2035
1503	sub find_async {	2036	sub find_async {
1504	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1505		2038
1506	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1507		2040
1508	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2043	}
1511		2044
1512	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1513	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2050	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2051	$map->load if $v;
		2052	}
1519		2053
1520	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1521	}	2055	}
1522	}	2056	}
1523	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1524	};	2058	};
1525	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2062	}
1529		2063
1530	sub save {	2064	sub save {
1531	my ($self) = @_;	2065	my ($self) = @_;
1532		2066
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2068
1535	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1536		2070
1537	return unless $self->dirty;	2071	return unless $self->dirty;
1538		2072
…		…
1561	my ($self) = @_;	2095	my ($self) = @_;
1562		2096
1563	# save first because save cedes	2097	# save first because save cedes
1564	$self->save;	2098	$self->save;
1565		2099
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2101
1568	return if $self->players;	2102	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2104	return if $self->{deny_save};
1571		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2110	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2111	}
1575		2112
1576	sub reset_at {	2113	sub reset_at {
1577	my ($self) = @_;	2114	my ($self) = @_;
1578		2115
1579	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1582		2118
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2121
…		…
1596	my ($self) = @_;	2132	my ($self) = @_;
1597		2133
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2135
1600	return if $self->players;	2136	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2137
1603	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1604		2149
1605	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1606		2151
1607	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2154	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2155
1612	$self->unlink_save;	2156	$self->unlink_save;
1613	$self->destroy;	2157	$self->destroy;
1614	}	2158	}
1615		2159
1616	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1617		2161
1618	sub nuke {	2162	sub nuke {
1619	my ($self) = @_;	2163	my ($self) = @_;
1620		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1621	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1622		2169
1623	$self->unlink_save;	2170	$self->unlink_save;
1624		2171
1625	bless $self, "cf::map";	2172	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2177
1631	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1632		2180
1633	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1634	}	2218	}
1635		2219
1636	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1637		2221
1638	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2223	instantiated unique items. May block.
1640		2224
1641	=cut	2225	=cut
1642		2226
1643	sub unique_maps() {	2227	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1645	or return;	2229	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2230	utf8::decode $_;
1651	next if /\.pst$/;	2231	/\.map$/
1652	next unless /^$PATH_SEP/o;	2232	? normalise $_
1653		2233	: ()
1654	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2235	]
1656
1657	\@paths
1658	}	2236	}
1659		2237
1660	package cf;	2238	package cf;
1661		2239
1662	=back	2240	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1681	}	2259	}
1682		2260
1683	sub inv_recursive {	2261	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1685	}	2294	}
1686		2295
1687	package cf;	2296	package cf;
1688		2297
1689	=back	2298	=back
…		…
1708		2317
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2319
1711	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1713	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1716	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1717	}	2345	}
1718		2346
1719	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1720		2348
1721	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1769		2397
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2399
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1774		2402
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2404	}
1777		2405
1778	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1780		2410
1781	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1782		2412
1783	unless ($map) {	2413	unless ($map) {
1784	# restore original map position	2414	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1801		2431
1802	$map->load;	2432	$map->load;
1803	$map->load_diag;	2433	$map->load_neighbours;
1804		2434
1805	return unless $self->contr->active;	2435	return unless $self->contr->active;
1806	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1808	}	2440	}
1809		2441
1810	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2443
1814	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1818	};	2448	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2449
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1845		2453
1846	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2459
1849	$self->enter_link;	2460	$self->enter_link;
1850		2461
1851	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2468	}
		2469	}
		2470
1852	my $map = eval {	2471	my $map = eval {
1853	my $map = cf::map::find $path;	2472	my $map = cf::map::find $path;
		2473
		2474	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2475	$map = $map->customise_for ($self);
		2476	$map = $check->($map) if $check && $map;
		2477	} else {
		2478	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2479	}
		2480
1855	$map	2481	$map
		2482	};
		2483
		2484	if ($@) {
		2485	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2487	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2488
		2489	if ($gen == $self->{_goto_generation}) {
		2490	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2491	$self->leave_link ($map, $x, $y);
		2492	}
		2493
		2494	$done->() if $done;
1860	})->prio (1);	2495	})->prio (1);
1861	}	2496	}
1862		2497
1863	=item $player_object->enter_exit ($exit_object)	2498	=item $player_object->enter_exit ($exit_object)
1864		2499
…		…
1903		2538
1904	$rmp->{random_seed} ||= $exit->random_seed;	2539	$rmp->{random_seed} ||= $exit->random_seed;
1905		2540
1906	my $data = cf::to_json $rmp;	2541	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2542	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2543	my $meta = "$RANDOMDIR/$md5.meta";
1909		2544
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2545	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2546	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2547	undef $fh;
1913	aio_rename "$meta~", $meta;	2548	aio_rename "$meta~", $meta;
…		…
1922		2557
1923	return unless $self->type == cf::PLAYER;	2558	return unless $self->type == cf::PLAYER;
1924		2559
1925	if ($exit->slaying eq "/!") {	2560	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2561	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2562	# the problem is that $exit might not survive long enough
		2563	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2564	cf::sync_job { prepare_random_map $exit };
1928	}	2565	}
1929		2566
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2567	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2568	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2569	my $sp = $exit->stats->sp;
1933		2570
1934	$self->enter_link;	2571	$self->enter_link;
		2572
		2573	# if exit is damned, update players death & WoR home-position
		2574	$self->contr->savebed ($slaying, $hp, $sp)
		2575	if $exit->flag (FLAG_DAMNED);
1935		2576
1936	(async {	2577	(async {
1937	$self->deactivate_recursive; # just to be sure	2578	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2579	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2580	$self->goto ($slaying, $hp, $sp);
1940		2581
1941	1;	2582	1;
1942	}) {	2583	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2584	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2585	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2586	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2587	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2588
1948	warn "ERROR in enter_exit: $@";	2589	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2590	$self->leave_link;
1950	}	2591	}
1951	})->prio (1);	2592	})->prio (1);
…		…
1964		2605
1965	sub cf::client::send_drawinfo {	2606	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2607	my ($self, $text, $flags) = @_;
1967		2608
1968	utf8::encode $text;	2609	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2610	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2611	}
1971		2612
		2613	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2614
		2615	Send a drawinfo or msg packet to the client, formatting the msg for the
		2616	client if neccessary. C<$type> should be a string identifying the type of
		2617	the message, with C<log> being the default. If C<$color> is negative, suppress
		2618	the message unless the client supports the msg packet.
		2619
		2620	=cut
		2621
		2622	our %CHANNEL = (
		2623	"c/identify" => {
		2624	id => "identify",
		2625	title => "Identify",
		2626	reply => undef,
		2627	tooltip => "Items recently identified",
		2628	},
		2629	"c/examine" => {
		2630	id => "examine",
		2631	title => "Examine",
		2632	reply => undef,
		2633	tooltip => "Signs and other items you examined",
		2634	},
		2635	);
		2636
		2637	sub cf::client::send_msg {
		2638	my ($self, $channel, $msg, $color, @extra) = @_;
		2639
		2640	$msg = $self->pl->expand_cfpod ($msg);
		2641
		2642	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2643
		2644	# check predefined channels, for the benefit of C
		2645	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2646
		2647	if (ref $channel) {
		2648	# send meta info to client, if not yet sent
		2649	unless (exists $self->{channel}{$channel->{id}}) {
		2650	$self->{channel}{$channel->{id}} = $channel;
		2651	$self->ext_msg (channel_info => $channel)
		2652	if $self->can_msg;
		2653	}
		2654
		2655	$channel = $channel->{id};
		2656	}
		2657
		2658	return unless @extra || length $msg;
		2659
		2660	if ($self->can_msg) {
		2661	# default colour, mask it out
		2662	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2663	if $color & cf::NDI_DEF;
		2664
		2665	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2666	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2667	} else {
		2668	if ($color >= 0) {
		2669	# replace some tags by gcfclient-compatible ones
		2670	for ($msg) {
		2671	1 while
		2672	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2673	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2674	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2675	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2676	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2677	}
		2678
		2679	$color &= cf::NDI_COLOR_MASK;
		2680
		2681	utf8::encode $msg;
		2682
		2683	if (0 && $msg =~ /\[/) {
		2684	# COMMAND/INFO
		2685	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2686	} else {
		2687	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2688	$self->send_packet ("drawinfo $color $msg")
		2689	}
		2690	}
		2691	}
		2692	}
		2693
		2694	=item $client->ext_msg ($type, @msg)
		2695
		2696	Sends an ext event to the client.
		2697
		2698	=cut
		2699
		2700	sub cf::client::ext_msg($$@) {
		2701	my ($self, $type, @msg) = @_;
		2702
		2703	if ($self->extcmd == 2) {
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2705	} elsif ($self->extcmd == 1) { # TODO: remove
		2706	push @msg, msgtype => "event_$type";
		2707	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2708	}
		2709	}
		2710
		2711	=item $client->ext_reply ($msgid, @msg)
		2712
		2713	Sends an ext reply to the client.
		2714
		2715	=cut
		2716
		2717	sub cf::client::ext_reply($$@) {
		2718	my ($self, $id, @msg) = @_;
		2719
		2720	if ($self->extcmd == 2) {
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2722	} elsif ($self->extcmd == 1) {
		2723	#TODO: version 1, remove
		2724	unshift @msg, msgtype => "reply", msgid => $id;
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2726	}
		2727	}
1972		2728
1973	=item $success = $client->query ($flags, "text", \&cb)	2729	=item $success = $client->query ($flags, "text", \&cb)
1974		2730
1975	Queues a query to the client, calling the given callback with	2731	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2732	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2733	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2734
1979	Queries can fail, so check the return code. Or don't, as queries will become	2735	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2736	become reliable at some point in the future.
1981		2737
1982	=cut	2738	=cut
1983		2739
1984	sub cf::client::query {	2740	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2741	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2749	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2750	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2751
1996	$self->send_packet ($self->{query_queue}[0][0])	2752	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2753	if @{ $self->{query_queue} } == 1;
		2754
		2755	1
1998	}	2756	}
1999		2757
2000	cf::client->attach (	2758	cf::client->attach (
		2759	on_connect => sub {
		2760	my ($ns) = @_;
		2761
		2762	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2763	},
2001	on_reply => sub {	2764	on_reply => sub {
2002	my ($ns, $msg) = @_;	2765	my ($ns, $msg) = @_;
2003		2766
2004	# this weird shuffling is so that direct followup queries	2767	# this weird shuffling is so that direct followup queries
2005	# get handled first	2768	# get handled first
…		…
2017	} else {	2780	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2781	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2782	}
2020	}	2783	}
2021	},	2784	},
		2785	on_exticmd => sub {
		2786	my ($ns, $buf) = @_;
		2787
		2788	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2789
		2790	if (ref $msg) {
		2791	my ($type, $reply, @payload) =
		2792	"ARRAY" eq ref $msg
		2793	? @$msg
		2794	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2795
		2796	my @reply;
		2797
		2798	if (my $cb = $EXTICMD{$type}) {
		2799	@reply = $cb->($ns, @payload);
		2800	}
		2801
		2802	$ns->ext_reply ($reply, @reply)
		2803	if $reply;
		2804
		2805	} else {
		2806	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2807	}
		2808
		2809	cf::override;
		2810	},
2022	);	2811	);
2023		2812
2024	=item $client->async (\&cb)	2813	=item $client->async (\&cb)
2025		2814
2026	Create a new coroutine, running the specified callback. The coroutine will	2815	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2856	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2857	our $safe_hole = new Safe::Hole;
2069		2858
2070	$SIG{FPE} = 'IGNORE';	2859	$SIG{FPE} = 'IGNORE';
2071		2860
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2861	$safe->permit_only (Opcode::opset qw(
		2862	:base_core :base_mem :base_orig :base_math
		2863	grepstart grepwhile mapstart mapwhile
		2864	sort time
		2865	));
2073		2866
2074	# here we export the classes and methods available to script code	2867	# here we export the classes and methods available to script code
2075		2868
2076	=pod	2869	=pod
2077		2870
2078	The following fucntions and emthods are available within a safe environment:	2871	The following functions and methods are available within a safe environment:
2079		2872
2080	cf::object contr pay_amount pay_player map	2873	cf::object
		2874	contr pay_amount pay_player map x y force_find force_add
		2875	insert remove name archname title slaying race decrease_ob_nr
		2876
2081	cf::object::player player	2877	cf::object::player
2082	cf::player peaceful	2878	player
2083	cf::map trigger	2879
		2880	cf::player
		2881	peaceful
		2882
		2883	cf::map
		2884	trigger
2084		2885
2085	=cut	2886	=cut
2086		2887
2087	for (	2888	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2889	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2890	insert remove inv name archname title slaying race
		2891	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2892	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2893	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2894	["cf::map" => qw(trigger)],
2092	) {	2895	) {
2093	no strict 'refs';	2896	no strict 'refs';
…		…
2164	=back	2967	=back
2165		2968
2166	=cut	2969	=cut
2167		2970
2168	#############################################################################	2971	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2972	# the server's init and main functions
2278		2973
2279	sub load_resources {	2974	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2975	my ($path) = @_;
		2976
		2977	# HACK to clear player env face cache, we need some signal framework
		2978	# for this (global event?)
		2979	%ext::player_env::MUSIC_FACE_CACHE = ();
		2980
		2981	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2982
		2983	warn "loading facedata from $path\n";
		2984
		2985	my $facedata;
		2986	0 < aio_load $path, $facedata
		2987	or die "$path: $!";
		2988
		2989	$facedata = Coro::Storable::thaw $facedata;
		2990
		2991	$facedata->{version} == 2
		2992	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2993
		2994	# patch in the exptable
		2995	$facedata->{resource}{"res/exp_table"} = {
		2996	type => FT_RSRC,
		2997	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2998	};
		2999	cf::cede_to_tick;
		3000
		3001	{
		3002	my $faces = $facedata->{faceinfo};
		3003
		3004	while (my ($face, $info) = each %$faces) {
		3005	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3006	cf::face::set_visibility $idx, $info->{visibility};
		3007	cf::face::set_magicmap $idx, $info->{magicmap};
		3008	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3009	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3010
		3011	cf::cede_to_tick;
		3012	}
		3013
		3014	while (my ($face, $info) = each %$faces) {
		3015	next unless $info->{smooth};
		3016	my $idx = cf::face::find $face
		3017	or next;
		3018	if (my $smooth = cf::face::find $info->{smooth}) {
		3019	cf::face::set_smooth $idx, $smooth;
		3020	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3021	} else {
		3022	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3023	}
		3024
		3025	cf::cede_to_tick;
		3026	}
		3027	}
		3028
		3029	{
		3030	my $anims = $facedata->{animinfo};
		3031
		3032	while (my ($anim, $info) = each %$anims) {
		3033	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3034	cf::cede_to_tick;
		3035	}
		3036
		3037	cf::anim::invalidate_all; # d'oh
		3038	}
		3039
		3040	{
		3041	# TODO: for gcfclient pleasure, we should give resources
		3042	# that gcfclient doesn't grok a >10000 face index.
		3043	my $res = $facedata->{resource};
		3044
		3045	my $soundconf = delete $res->{"res/sound.conf"};
		3046
		3047	while (my ($name, $info) = each %$res) {
		3048	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3049	my $data;
		3050
		3051	if ($info->{type} & 1) {
		3052	# prepend meta info
		3053
		3054	my $meta = $enc->encode ({
		3055	name => $name,
		3056	%{ $info->{meta} || {} },
		3057	});
		3058
		3059	$data = pack "(w/a*)*", $meta, $info->{data};
		3060	} else {
		3061	$data = $info->{data};
		3062	}
		3063
		3064	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3065	cf::face::set_type $idx, $info->{type};
		3066
		3067	cf::cede_to_tick;
		3068	}
		3069
		3070	if ($soundconf) {
		3071	$soundconf = $enc->decode (delete $soundconf->{data});
		3072
		3073	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3074	my $sound = $soundconf->{compat}[$_]
		3075	or next;
		3076
		3077	my $face = cf::face::find "sound/$sound->[1]";
		3078	cf::sound::set $sound->[0] => $face;
		3079	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3080	}
		3081
		3082	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3083	my $face = cf::face::find "sound/$v";
		3084	cf::sound::set $k => $face;
		3085	}
		3086	}
		3087	}
		3088
		3089	1
		3090	}
		3091
		3092	register_exticmd fx_want => sub {
		3093	my ($ns, $want) = @_;
		3094
		3095	while (my ($k, $v) = each %$want) {
		3096	$ns->fx_want ($k, $v);
		3097	}
		3098	};
		3099
		3100	sub reload_regions {
		3101	# HACK to clear player env face cache, we need some signal framework
		3102	# for this (global event?)
		3103	%ext::player_env::MUSIC_FACE_CACHE = ();
		3104
		3105	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3106	or die "unable to load regions file\n";
2282	}
2283		3107
2284	sub cfg_load {	3108	for (cf::region::list) {
		3109	$_->{match} = qr/$_->{match}/
		3110	if exists $_->{match};
		3111	}
		3112	}
		3113
		3114	sub reload_facedata {
		3115	load_facedata "$DATADIR/facedata"
		3116	or die "unable to load facedata\n";
		3117	}
		3118
		3119	sub reload_archetypes {
		3120	load_resource_file "$DATADIR/archetypes"
		3121	or die "unable to load archetypes\n";
		3122	#d# NEED to laod twice to resolve forward references
		3123	# this really needs to be done in an extra post-pass
		3124	# (which needs to be synchronous, so solve it differently)
		3125	load_resource_file "$DATADIR/archetypes"
		3126	or die "unable to load archetypes\n";
		3127	}
		3128
		3129	sub reload_treasures {
		3130	load_resource_file "$DATADIR/treasures"
		3131	or die "unable to load treasurelists\n";
		3132	}
		3133
		3134	sub reload_resources {
		3135	warn "reloading resource files...\n";
		3136
		3137	reload_regions;
		3138	reload_facedata;
		3139	#reload_archetypes;#d#
		3140	reload_archetypes;
		3141	reload_treasures;
		3142
		3143	warn "finished reloading resource files\n";
		3144	}
		3145
		3146	sub init {
		3147	reload_resources;
		3148	}
		3149
		3150	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3151	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3152	or return;
2287		3153
2288	local $/;	3154	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3155	*CFG = YAML::Syck::Load <$fh>;
2290		3156
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3164	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3165	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3166	};
2301	warn $@ if $@;	3167	warn $@ if $@;
2302	}	3168	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3169	}
2308		3170
2309	sub main {	3171	sub main {
2310	# we must not ever block the main coroutine	3172	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3173	local $Coro::idle = sub {
…		…
2313	(async {	3175	(async {
2314	Event::one_event;	3176	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3177	})->prio (Coro::PRIO_MAX);
2316	};	3178	};
2317		3179
2318	cfg_load;	3180	reload_config;
2319	db_load;	3181	db_init;
2320	load_extensions;	3182	load_extensions;
2321		3183
2322	$TICK_WATCHER->start;	3184	$TICK_WATCHER->start;
2323	Event::loop;	3185	Event::loop;
2324	}	3186	}
…		…
2339	},	3201	},
2340	);	3202	);
2341	}	3203	}
2342	}	3204	}
2343		3205
		3206	sub write_runtime {
		3207	my $runtime = "$LOCALDIR/runtime";
		3208
		3209	# first touch the runtime file to show we are still running:
		3210	# the fsync below can take a very very long time.
		3211
		3212	IO::AIO::aio_utime $runtime, undef, undef;
		3213
		3214	my $guard = cf::lock_acquire "write_runtime";
		3215
		3216	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3217	or return;
		3218
		3219	my $value = $cf::RUNTIME + 90 + 10;
		3220	# 10 is the runtime save interval, for a monotonic clock
		3221	# 60 allows for the watchdog to kill the server.
		3222
		3223	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3224	and return;
		3225
		3226	# always fsync - this file is important
		3227	aio_fsync $fh
		3228	and return;
		3229
		3230	# touch it again to show we are up-to-date
		3231	aio_utime $fh, undef, undef;
		3232
		3233	close $fh
		3234	or return;
		3235
		3236	aio_rename "$runtime~", $runtime
		3237	and return;
		3238
		3239	warn "runtime file written.\n";
		3240
		3241	1
		3242	}
		3243
2344	sub emergency_save() {	3244	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3245	my $freeze_guard = cf::freeze_mainloop;
2346		3246
2347	warn "enter emergency perl save\n";	3247	warn "enter emergency perl save\n";
2348		3248
…		…
2363	my $map = $cf::MAP{$path} or next;	3263	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3264	$map->valid or next;
2365	$map->save;	3265	$map->save;
2366	}	3266	}
2367	warn "end emergency map save\n";	3267	warn "end emergency map save\n";
		3268
		3269	warn "begin emergency database checkpoint\n";
		3270	BDB::db_env_txn_checkpoint $DB_ENV;
		3271	warn "end emergency database checkpoint\n";
2368	};	3272	};
2369		3273
2370	warn "leave emergency perl save\n";	3274	warn "leave emergency perl save\n";
2371	}	3275	}
2372		3276
		3277	sub post_cleanup {
		3278	my ($make_core) = @_;
		3279
		3280	warn Carp::longmess "post_cleanup backtrace"
		3281	if $make_core;
		3282	}
		3283
2373	sub reload() {	3284	sub do_reload_perl() {
2374	# can/must only be called in main	3285	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3286	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3287	warn "can only reload from main coroutine";
2377	return;	3288	return;
2378	}	3289	}
2379		3290
2380	warn "reloading...";	3291	warn "reloading...";
2381		3292
2382	warn "cancelling server ticker";	3293	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3294
		3295	cf::sync_job {
		3296	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3297	cf::emergency_save;
		3298	cf::write_runtime; # external watchdog should not bark
2386		3299
2387	eval {	3300	warn "syncing database to disk";
		3301	BDB::db_env_txn_checkpoint $DB_ENV;
		3302
2388	# if anything goes wrong in here, we should simply crash as we already saved	3303	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3304
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3305	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3306	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3307	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3308	}
2397		3309
2398	warn "flushing outstanding aio requests";	3310	warn "flushing outstanding aio requests";
2399	for (;;) {	3311	for (;;) {
		3312	BDB::flush;
2400	IO::AIO::flush;	3313	IO::AIO::flush;
2401	Coro::cede;	3314	Coro::cede;
2402	last unless IO::AIO::nreqs;	3315	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3316	warn "iterate...";
2404	}	3317	}
		3318
		3319	++$RELOAD;
2405		3320
2406	warn "cancelling all extension coros";	3321	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3322	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3323	%EXT_CORO = ();
2409		3324
2410	warn "removing commands";	3325	warn "removing commands";
2411	%COMMAND = ();	3326	%COMMAND = ();
2412		3327
2413	warn "removing ext commands";	3328	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3329	%EXTCMD = ();
		3330	%EXTICMD = ();
2415		3331
2416	warn "unloading/nuking all extensions";	3332	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3333	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3334	warn "... unloading $pkg";
2419		3335
…		…
2449	Symbol::delete_package "safe::$_"	3365	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3366	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3367
2452	warn "unloading cf.pm \"a bit\"";	3368	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3369	delete $INC{"cf.pm"};
		3370	delete $INC{"cf/pod.pm"};
2454		3371
2455	# don't, removes xs symbols, too,	3372	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3373	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3374	#Symbol::delete_package __PACKAGE__;
2458		3375
…		…
2461	warn "reloading cf.pm";	3378	warn "reloading cf.pm";
2462	require cf;	3379	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3380	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3381
2465	warn "loading config and database again";	3382	warn "loading config and database again";
2466	cf::cfg_load;	3383	cf::reload_config;
2467	cf::db_load;
2468		3384
2469	warn "loading extensions";	3385	warn "loading extensions";
2470	cf::load_extensions;	3386	cf::load_extensions;
2471		3387
2472	warn "reattaching attachments to objects/players";	3388	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3389	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3390	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3391	reattach $_ for values %MAP;
		3392	warn "reattaching attachments to players";
		3393	reattach $_ for values %PLAYER;
2476		3394
2477	warn "loading reloadable resources";	3395	warn "leaving sync_job";
2478	load_resources;
2479		3396
2480	warn "restarting server ticker";	3397	1
2481		3398	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3399	warn $@;
2487	warn "error while reloading, exiting.";	3400	warn "error while reloading, exiting.";
2488	exit 1;	3401	exit 1;
2489	}	3402	};
2490		3403
2491	warn "reloaded";	3404	warn "reloaded";
2492	};	3405	};
2493		3406
2494	our $RELOAD_WATCHER; # used only during reload	3407	our $RELOAD_WATCHER; # used only during reload
2495		3408
		3409	sub reload_perl() {
		3410	# doing reload synchronously and two reloads happen back-to-back,
		3411	# coro crashes during coro_state_free->destroy here.
		3412
		3413	$RELOAD_WATCHER ||= Event->timer (
		3414	reentrant => 0,
		3415	after => 0,
		3416	data => WF_AUTOCANCEL,
		3417	cb => sub {
		3418	do_reload_perl;
		3419	undef $RELOAD_WATCHER;
		3420	},
		3421	);
		3422	}
		3423
2496	register_command "reload" => sub {	3424	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3425	my ($who, $arg) = @_;
2498		3426
2499	if ($who->flag (FLAG_WIZ)) {	3427	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3428	$who->message ("reloading server.");
2501		3429	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3430	}
2515	};	3431	};
2516		3432
2517	unshift @INC, $LIBDIR;	3433	unshift @INC, $LIBDIR;
2518		3434
2519	my $bug_warning = 0;	3435	my $bug_warning = 0;
		3436
		3437	our @WAIT_FOR_TICK;
		3438	our @WAIT_FOR_TICK_BEGIN;
		3439
		3440	sub wait_for_tick {
		3441	return unless $TICK_WATCHER->is_active;
		3442	return if $Coro::current == $Coro::main;
		3443
		3444	my $signal = new Coro::Signal;
		3445	push @WAIT_FOR_TICK, $signal;
		3446	$signal->wait;
		3447	}
		3448
		3449	sub wait_for_tick_begin {
		3450	return unless $TICK_WATCHER->is_active;
		3451	return if $Coro::current == $Coro::main;
		3452
		3453	my $signal = new Coro::Signal;
		3454	push @WAIT_FOR_TICK_BEGIN, $signal;
		3455	$signal->wait;
		3456	}
		3457
		3458	our $stat_fh;
		3459	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2520		3460
2521	$TICK_WATCHER = Event->timer (	3461	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3462	reentrant => 0,
2523	parked => 1,	3463	parked => 1,
2524	prio => 0,	3464	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3469	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3470	unless ++$bug_warning > 10;
2531	return;	3471	return;
2532	}	3472	}
2533		3473
		3474	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3475
2534	$NOW = Event::time;	3476	$NOW = $tick_start = Event::time;
2535		3477
2536	cf::server_tick; # one server iteration	3478	cf::server_tick; # one server iteration
		3479
2537	$RUNTIME += $TICK;	3480	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3481	$NEXT_TICK += $TICK;
2539		3482
2540	$WAIT_FOR_TICK->broadcast;	3483	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3484	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3485	Coro::async_pool {
2543	Event::sweep;	3486	write_runtime
2544	Coro::cede_notself;	3487	or warn "ERROR: unable to write runtime file: $!";
		3488	};
2545		3489	}
		3490
2546	# my $AFTER = Event::time;	3491	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3492	# warn $AFTER - $NOW;#d#
2548		3493
		3494	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3495	$sig->send;
		3496	}
		3497	while (my $sig = shift @WAIT_FOR_TICK) {
		3498	$sig->send;
		3499	}
		3500
		3501	$NOW = Event::time;
		3502
2549	# if we are delayed by four ticks or more, skip them all	3503	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3504	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3505
2552	$TICK_WATCHER->at ($NEXT_TICK);	3506	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3507	$TICK_WATCHER->start;
		3508
		3509	$LOAD = ($NOW - $tick_start) / $TICK;
		3510	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3511
		3512	_post_tick;
		3513
		3514	# gather some statistics#d#
		3515	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3516	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2554	},	3517	},
2555	);	3518	);
2556		3519
		3520	{
		3521	BDB::min_parallel 8;
		3522	BDB::max_poll_time $TICK * 0.1;
		3523	$BDB_POLL_WATCHER = Event->io (
		3524	reentrant => 0,
		3525	fd => BDB::poll_fileno,
		3526	poll => 'r',
		3527	prio => 0,
		3528	data => WF_AUTOCANCEL,
		3529	cb => \&BDB::poll_cb,
		3530	);
		3531
		3532	BDB::set_sync_prepare {
		3533	my $status;
		3534	my $current = $Coro::current;
		3535	(
		3536	sub {
		3537	$status = $!;
		3538	$current->ready; undef $current;
		3539	},
		3540	sub {
		3541	Coro::schedule while defined $current;
		3542	$! = $status;
		3543	},
		3544	)
		3545	};
		3546
		3547	unless ($DB_ENV) {
		3548	$DB_ENV = BDB::db_env_create;
		3549
		3550	cf::sync_job {
		3551	eval {
		3552	BDB::db_env_open
		3553	$DB_ENV,
		3554	$BDBDIR,
		3555	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3556	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3557	0666;
		3558
		3559	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3560
		3561	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3562	| BDB::LOG_AUTOREMOVE, 1);
		3563	$DB_ENV->set_lk_detect;
		3564	};
		3565
		3566	cf::cleanup "db_env_open(db): $@" if $@;
		3567	};
		3568	}
		3569
		3570	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3571	after => 11,
		3572	interval => 60,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_TRICKLE_WATCHER = Event->timer (
		3581	after => 5,
		3582	interval => 10,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3588	},
		3589	);
		3590	}
		3591
		3592	{
		3593	IO::AIO::min_parallel 8;
		3594
		3595	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3596	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3597	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3598	reentrant => 0,
		3599	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3600	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3601	poll => 'r',
2564	prio => 6,	3602	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3603	cb => \&IO::AIO::poll_cb,
2567	);	3604	);
		3605	}
2568		3606
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3607	my $_log_backtrace;
2570	reentrant => 0,	3608
2571	data => WF_AUTOCANCEL,	3609	sub _log_backtrace {
2572	after => 1,	3610	my ($msg, @addr) = @_;
2573	interval => 10,	3611
2574	prio => 6, # keep it lowest so it acts like a watchdog	3612	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3613
2576	write_runtime	3614	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3615	if ($_log_backtrace < 2) {
		3616	++$_log_backtrace;
		3617	async {
		3618	my @bt = fork_call {
		3619	@addr = map { sprintf "%x", $_ } @addr;
		3620	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3621	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3622	or die "addr2line: $!";
		3623
		3624	my @funcs;
		3625	my @res = <$fh>;
		3626	chomp for @res;
		3627	while (@res) {
		3628	my ($func, $line) = splice @res, 0, 2, ();
		3629	push @funcs, "[$func] $line";
		3630	}
		3631
		3632	@funcs
		3633	};
		3634
		3635	LOG llevInfo, "[ABT] $msg\n";
		3636	LOG llevInfo, "[ABT] $_\n" for @bt;
		3637	--$_log_backtrace;
		3638	};
		3639	} else {
		3640	LOG llevInfo, "[ABT] $msg\n";
		3641	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3642	}
2579	);	3643	}
		3644
		3645	# load additional modules
		3646	use cf::pod;
2580		3647
2581	END { cf::emergency_save }	3648	END { cf::emergency_save }
2582		3649
2583	1	3650	1
2584		3651

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