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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	133	every server tick.
104		134
105	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		204
153	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
261	}	321	}
262		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
266	my $guard = Coro::guard {	332	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	334	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
272	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
273	}	393	}
274		394
275	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
276		396
277	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		402
283	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
284		404
285	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
286		406
287	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
290		411
291	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
294	fast or be very important.	415	fast or be very important.
…		…
297		418
298	sub sync_job(&) {	419	sub sync_job(&) {
299	my ($job) = @_;	420	my ($job) = @_;
300		421
301	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
302	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
304		427
305	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
317		440
318	while ($busy) {	441	while ($busy) {
319	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
320	}	443	}
321		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
322	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
323	} else {	453	} else {
324	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
325		455
326	$job->()	456	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
346		476
347	$coro	477	$coro
348	}	478	}
349		479
350	sub write_runtime {	480	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		481
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
354	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
355		486
356	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		488
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
361	and return;	490	my ($cb, @args) = @_;
362		491
363	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
364	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
365		495
366	close $fh	496	my @res = Coro::Util::fork_eval {
367	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
368		500
369	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
370	and return;	502	}
371		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
372	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	629	}
374		630
375	=back	631	=back
376		632
377	=cut	633	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
386		642
387	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	645	Crossfire TRT).
390		646
391	=over 4	647	=over 4
392		648
393	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
394		650
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
558		814
559	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		819
564	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	821	my $pkg = shift @arg;
566		822
567	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
597	}	853	}
598		854
599	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
600	} else {	856	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	858	}
603		859
604	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
605	}	861	}
606		862
…		…
608	if (ref $_[0]) {	864	if (ref $_[0]) {
609	_object_attach @_;	865	_object_attach @_;
610	} else {	866	} else {
611	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
612	}	868	}
		869	_recalc_want;
613	};	870	};
614		871
615	# all those should be optimised	872	# all those should be optimised
616	sub cf::attachable::detach {	873	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
621	reattach ($obj);	878	reattach ($obj);
622	} else {	879	} else {
623	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	sub cf::attachable::attached {	885	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
629		887
…		…
644	";	902	";
645	die if $@;	903	die if $@;
646	}	904	}
647		905
648	our $override;	906	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		908
651	sub override {	909	sub override {
652	$override = 1;	910	$override = 1;
653	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
654	}	912	}
655		913
656	sub do_invoke {	914	sub do_invoke {
657	my $event = shift;	915	my $event = shift;
658	my $callbacks = shift;	916	my $callbacks = shift;
659		917
660	@invoke_results = ();	918	@INVOKE_RESULTS = ();
661		919
662	local $override;	920	local $override;
663		921
664	for (@$callbacks) {	922	for (@$callbacks) {
665	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
682		940
683	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
684		942
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		946
689	=back	947	=back
690		948
691	=cut	949	=cut
692		950
693	#############################################################################	951	#############################################################################
694	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
695		964
696	sub reattach {	965	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	967	my ($obj) = @_;
699		968
…		…
744	);	1013	);
745		1014
746	sub object_freezer_save {	1015	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
748		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
749	sync_job {	1020	sync_job {
750	if (length $$rdata) {	1021	if (length $$rdata) {
751	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
753		1024
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1029	close $fh;
759		1030
760	if (@$objs) {	1031	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1037	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
768	}	1039	}
769	} else {	1040	} else {
770	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
776	}	1047	}
777	} else {	1048	} else {
778	aio_unlink $filename;	1049	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
780	}	1051	}
781	}	1052	};
		1053
		1054	undef $guard;
782	}	1055	}
783		1056
784	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
786		1059
…		…
791		1064
792	sub object_thawer_load {	1065	sub object_thawer_load {
793	my ($filename) = @_;	1066	my ($filename) = @_;
794		1067
795	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
796		1071
797	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
798	or return;	1073	or return;
799		1074
800	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
802	or return;	1077	or return;
		1078
		1079	undef $guard;
803	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1081	}
805		1082
806	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
808	return ($data, $av);	1086	($data, $av)
809	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
810		1094
811	#############################################################################	1095	#############################################################################
812	# command handling &c	1096	# command handling &c
813		1097
814	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1112	}
829		1113
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1115
832	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
833		1121
834	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
835	called.	1123	called.
836		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
837	=cut	1136	=cut
838		1137
839	sub register_extcmd {	1138	sub register_extcmd {
840	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
841		1140
842	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
843	}	1148	}
844		1149
845	cf::player->attach (	1150	cf::player->attach (
846	on_command => sub {	1151	on_command => sub {
847	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1161	cf::override;
857	},	1162	},
858	on_extcmd => sub {	1163	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
860		1165
861	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1167
863	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
869	} else {	1183	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1185	}
872		1186
873	cf::override;	1187	cf::override;
874	},	1188	},
875	);	1189	);
876		1190
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
912	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1196	next unless -r $path;
914	eval {	1197
915	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
916	1	1255	}
917	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
918	}	1261	};
919	}	1262	}
920		1263
921	#############################################################################	1264	#############################################################################
922		1265
		1266	=back
		1267
923	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
924		1269
925	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
926		1271
927	=cut	1272	=cut
…		…
932		1277
933	=head3 cf::player	1278	=head3 cf::player
934		1279
935	=over 4	1280	=over 4
936		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
937	=item cf::player::find $login	1296	=item cf::player::find $login
938		1297
939	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
940		1299
941	=cut	1300	=cut
942		1301
943	sub playerdir($) {	1302	sub playerdir($) {
944	cf::localdir	1303	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1305	}
950		1306
951	sub path($) {	1307	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1309
954	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
955	}	1311	}
956		1312
957	sub find_active($) {	1313	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1328	my $login = $_[0];
973		1329
974	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
975		1331
976	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
978	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
980	}	1349	}
981	}	1350	}
982	}	1351	}
983		1352
…		…
993		1362
994	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
996		1365
997	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
998	Coro::cede;	1367	cf::cede_to_tick;
999	}	1368	}
1000		1369
1001	sub new($) {	1370	sub new($) {
1002	my ($login) = @_;	1371	my ($login) = @_;
1003		1372
…		…
1009	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1010		1379
1011	$self	1380	$self
1012	}	1381	}
1013		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1014	=item $pl->quit_character	1393	=item $pl->quit_character
1015		1394
1016	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1018		1397
1019	=cut	1398	=cut
1020		1399
1021	sub quit_character {	1400	sub quit_character {
1022	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1023		1404
1024	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1407
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1037	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1038	}	1439	}
1039		1440
1040	=item cf::player::list_logins	1441	=item cf::player::list_logins
1041		1442
1042	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1044		1445
1045	=cut	1446	=cut
1046		1447
1047	sub list_logins {	1448	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1450	or return [];
1050		1451
1051	my @logins;	1452	my @logins;
1052		1453
1053	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1057		1463
1058	utf8::decode $login;	1464	utf8::decode $login;
1059	push @logins, $login;	1465	push @logins, $login;
1060	}	1466	}
1061		1467
…		…
1069		1475
1070	=cut	1476	=cut
1071		1477
1072	sub maps($) {	1478	sub maps($) {
1073	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1482
1075	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1076	or return;	1484	or return;
1077		1485
1078	my @paths;	1486	my @paths;
…		…
1080	for (@$files) {	1488	for (@$files) {
1081	utf8::decode $_;	1489	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1084		1492
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1493	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1494	}
1087		1495
1088	\@paths	1496	\@paths
1089	}	1497	}
1090		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1092		1551
1093	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1094		1553
1095	=cut	1554	=cut
1096		1555
1097	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1099		1558
1100	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1560	}
1104		1561
1105	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1106		1602
1107	=back	1603	=back
1108
1109		1604
1110	=head3 cf::map	1605	=head3 cf::map
1111		1606
1112	=over 4	1607	=over 4
1113		1608
…		…
1168	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1169		1664
1170	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1171	local $self->{path};	1666	local $self->{path};
1172	local $self->{load_path};	1667	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1668
1176	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1177	}	1670	}
1178		1671
1179	sub normalise {	1672	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1227	return $self;	1720	return $self;
1228	}	1721	}
1229	}	1722	}
1230		1723
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1725	()
1233	}	1726	}
1234		1727
1235	sub init {	1728	sub init {
1236	my ($self) = @_;	1729	my ($self) = @_;
…		…
1251		1744
1252	# the original (read-only) location	1745	# the original (read-only) location
1253	sub load_path {	1746	sub load_path {
1254	my ($self) = @_;	1747	my ($self) = @_;
1255		1748
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1257	}	1750	}
1258		1751
1259	# the temporary/swap location	1752	# the temporary/swap location
1260	sub save_path {	1753	sub save_path {
1261	my ($self) = @_;	1754	my ($self) = @_;
1262		1755
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1265	}	1758	}
1266		1759
1267	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1268	sub uniq_path {	1761	sub uniq_path {
1269	my ($self) = @_;	1762	my ($self) = @_;
1270		1763
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1273	}	1766	}
1274		1767
1275	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1276	# all maps in C++...	1769	# all maps in C++...
1277	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1279		1772
1280	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1282	}	1775	}
1283		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1284	sub unlink_save {	1785	sub unlink_save {
1285	my ($self) = @_;	1786	my ($self) = @_;
1286		1787
1287	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1792
1292	sub load_header_from($) {	1793	sub load_header_from($) {
1293	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1294		1795
1295	utf8::encode $path;	1796	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1297	or return;	1798	or return;
1298		1799
1299	$self->_load_header ($path)	1800	$self->_load_header ($f)
1300	or return;	1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1301		1805
1302	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1303		1807
1304	1	1808	1
1305	}	1809	}
…		…
1344	$self->load_header_orig	1848	$self->load_header_orig
1345	or return;	1849	or return;
1346	$self->prepare_orig;	1850	$self->prepare_orig;
1347	}	1851	}
1348		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
1349	1	1859	1
1350	}	1860	}
1351		1861
1352	sub find;	1862	sub find;
1353	sub find {	1863	sub find {
1354	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1355		1865
1356	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1357		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1359		1870
1360	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1362	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1363	or return;	1876	or return;
1364		1877
1365	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1366		1879
1367	$map->load_header	1880	$map->load_header
1368	or return;	1881	or return;
1369		1882
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1373	$map->reset;	1888	$map->reset;
1374	undef $guard;
1375	return find $path;	1889	return find $path;
1376	}	1890	}
1377		1891
1378	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1379	}	1893	}
…		…
1386	my ($self) = @_;	1900	my ($self) = @_;
1387		1901
1388	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1389		1903
1390	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1392		1908
		1909	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1911
1395	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1396		1913
1397	$self->alloc;	1914	$self->alloc;
1398		1915
1399	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1400		1918
1401	$self->_load_objects ($self->{load_path}, 1)	1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1402	or return;	1922	or return;
1403		1923
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1925	if delete $self->{load_original};
1406		1926
1407	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1928	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1931	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1412	}	1935	}
1413	}	1936	}
1414		1937
1415	Coro::cede;	1938	$f->resolve_delayed_derefs;
1416		1939
		1940	cf::cede_to_tick;
1417	# now do the right thing for maps	1941	# now do the right thing for maps
1418	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1944	unless $self->difficulty;
1428	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1429	$self->activate;	1954	$self->activate;
		1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
		1960	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1961	}
1431		1962
1432	$self->post_load;	1963	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1964	}
1436		1965
1437	sub customise_for {	1966	sub customise_for {
1438	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1439		1968
1440	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1970	if $self->per_player;
1442		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1443	$self	1975	$self
1444	}	1976	}
1445		1977
1446	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1979	sub load_neighbours {
1448	my ($map) = @_;	1980	my ($map) = @_;
1449		1981
1450	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1451		1983
1452	for (0 .. 3) {	1984	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1454	or next;	1986	or next;
1455	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1456	or next;	1988	or next;
1457	$neigh->load;	1989	$neigh->load;
1458		1990
		1991	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	1994	}
1462		1995
1463	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1465	or next;	1999	or next;
1466	$neigh->load;	2000	$neigh->load;
1467	}	2001	}
1468	}	2002	}
1469		2003
…		…
1474	}	2008	}
1475		2009
1476	sub do_load_sync {	2010	sub do_load_sync {
1477	my ($map) = @_;	2011	my ($map) = @_;
1478		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1479	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1480	}	2017	}
1481		2018
1482	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1484		2021
1485	sub find_async {	2022	sub find_async {
1486	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1487		2024
1488	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1489		2026
1490	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2029	}
1493		2030
1494	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1495	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2036	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2037	$map->load if $v;
		2038	}
1501		2039
1502	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1503	}	2041	}
1504	}	2042	}
1505	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1506	};	2044	};
1507	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2048	}
1511		2049
1512	sub save {	2050	sub save {
1513	my ($self) = @_;	2051	my ($self) = @_;
1514		2052
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2054
1517	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1518		2056
1519	return unless $self->dirty;	2057	return unless $self->dirty;
1520		2058
…		…
1543	my ($self) = @_;	2081	my ($self) = @_;
1544		2082
1545	# save first because save cedes	2083	# save first because save cedes
1546	$self->save;	2084	$self->save;
1547		2085
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2087
1550	return if $self->players;	2088	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2090	return if $self->{deny_save};
1553		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2096	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2097	}
1557		2098
1558	sub reset_at {	2099	sub reset_at {
1559	my ($self) = @_;	2100	my ($self) = @_;
1560		2101
1561	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1564		2104
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2107
…		…
1578	my ($self) = @_;	2118	my ($self) = @_;
1579		2119
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2121
1582	return if $self->players;	2122	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2123
1585	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1586		2135
1587	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1588		2137
1589	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2140	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2141
1594	$self->unlink_save;	2142	$self->unlink_save;
1595	$self->destroy;	2143	$self->destroy;
1596	}	2144	}
1597		2145
1598	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1599		2147
1600	sub nuke {	2148	sub nuke {
1601	my ($self) = @_;	2149	my ($self) = @_;
1602		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1603	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1604		2155
1605	$self->unlink_save;	2156	$self->unlink_save;
1606		2157
1607	bless $self, "cf::map";	2158	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2163
1613	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1614		2166
1615	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1616	}	2204	}
1617		2205
1618	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1619		2207
1620	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2209	instantiated unique items. May block.
1622		2210
1623	=cut	2211	=cut
1624		2212
1625	sub unique_maps() {	2213	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1627	or return;	2215	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2216	utf8::decode $_;
1633	next if /\.pst$/;	2217	/\.map$/
1634	next unless /^$PATH_SEP/o;	2218	? normalise $_
1635		2219	: ()
1636	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2221	]
1638
1639	\@paths
1640	}	2222	}
1641		2223
1642	package cf;	2224	package cf;
1643		2225
1644	=back	2226	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1663	}	2245	}
1664		2246
1665	sub inv_recursive {	2247	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1667	}	2280	}
1668		2281
1669	package cf;	2282	package cf;
1670		2283
1671	=back	2284	=back
…		…
1690		2303
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2305
1693	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1695	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1698	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1699	}	2331	}
1700		2332
1701	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1702		2334
1703	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1751		2383
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2385
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1756		2388
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2390	}
1759		2391
1760	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1762		2396
1763	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1764		2398
1765	unless ($map) {	2399	unless ($map) {
1766	# restore original map position	2400	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1783		2417
1784	$map->load;	2418	$map->load;
1785	$map->load_diag;	2419	$map->load_neighbours;
1786		2420
1787	return unless $self->contr->active;	2421	return unless $self->contr->active;
1788	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1790	}	2426	}
1791		2427
1792	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2429
1796	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1800	};	2434	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2435
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1827		2439
1828	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2445
1831	$self->enter_link;	2446	$self->enter_link;
1832		2447
1833	(async {	2448	(async {
1834	my $map = eval {	2449	my $map = eval {
1835	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1837	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2465	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1842	})->prio (1);	2473	})->prio (1);
1843	}	2474	}
1844		2475
1845	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1846		2477
…		…
1885		2516
1886	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1887		2518
1888	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1891		2522
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2525	undef $fh;
1895	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1904		2535
1905	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1906		2537
1907	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1910	}	2543	}
1911		2544
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1915		2548
1916	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1917		2554
1918	(async {	2555	(async {
1919	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2557	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1922		2559
1923	1;	2560	1;
1924	}) {	2561	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2566
1930	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2568	$self->leave_link;
1932	}	2569	}
1933	})->prio (1);	2570	})->prio (1);
…		…
1946		2583
1947	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1949		2586
1950	utf8::encode $text;	2587	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2589	}
1953		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1954		2706
1955	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1956		2708
1957	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2712
1961	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2714	become reliable at some point in the future.
1963		2715
1964	=cut	2716	=cut
1965		2717
1966	sub cf::client::query {	2718	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2727	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2729
1978	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1980	}	2734	}
1981		2735
1982	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1983	on_reply => sub {	2742	on_reply => sub {
1984	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1985		2744
1986	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1987	# get handled first	2746	# get handled first
1988	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2749
1991	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2752
1993	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1994		2754
1995	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2756	if (@$queue) {
…		…
1998	} else {	2758	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2760	}
2001	}	2761	}
2002	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2003	);	2789	);
2004		2790
2005	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2006		2792
2007	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2050		2836
2051	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2052		2838
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2054		2844
2055	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2056		2846
2057	=pod	2847	=pod
2058		2848
2059	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2060		2850
2061	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2062	cf::object::player player	2855	cf::object::player
2063	cf::player peaceful	2856	player
2064	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2065		2863
2066	=cut	2864	=cut
2067		2865
2068	for (	2866	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2073	) {	2873	) {
2074	no strict 'refs';	2874	no strict 'refs';
…		…
2145	=back	2945	=back
2146		2946
2147	=cut	2947	=cut
2148		2948
2149	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2150		2951
2151	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2152		2954
2153	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2155	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		2958
2157	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		2960
2160	=over 4	2961	warn "loading facedata from $path\n";
2161		2962
2162	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2163		2966
2164	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		2968
2168	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		2971
2170	Returns a single value from the database	2972	# patch in the exptable
2171		2973	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2173		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2976	};
		2977	cf::cede_to_tick;
2200		2978
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2212		2981
2213	my $dirty;	2982	while (my ($face, $info) = each %$faces) {
		2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
		2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		2988
2215	sub db_sync() {	2989	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2990	}
2254	);
2255	}
2256		2991
2257	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2259		3002
2260	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3130	or return;
2263		3131
2264	local $/;	3132	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2266		3134
…		…
2285	(async {	3153	(async {
2286	Event::one_event;	3154	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2288	};	3156	};
2289		3157
2290	cfg_load;	3158	reload_config;
2291	db_load;	3159	db_init;
2292	load_extensions;	3160	load_extensions;
2293		3161
2294	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2295	Event::loop;	3163	Event::loop;
2296	}	3164	}
…		…
2311	},	3179	},
2312	);	3180	);
2313	}	3181	}
2314	}	3182	}
2315		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2316	sub emergency_save() {	3222	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2318		3224
2319	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2320		3226
…		…
2335	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3242	$map->valid or next;
2337	$map->save;	3243	$map->save;
2338	}	3244	}
2339	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2340	};	3250	};
2341		3251
2342	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2343	}	3253	}
2344		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2345	sub reload() {	3262	sub do_reload_perl() {
2346	# can/must only be called in main	3263	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2349	return;	3266	return;
2350	}	3267	}
2351		3268
2352	warn "reloading...";	3269	warn "reloading...";
2353		3270
2354	warn "cancelling server ticker";	3271	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2358		3277
2359	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2360	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3282
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3286	}
2369		3287
2370	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2371	for (;;) {	3289	for (;;) {
		3290	BDB::flush;
2372	IO::AIO::flush;	3291	IO::AIO::flush;
2373	Coro::cede;	3292	Coro::cede;
2374	last unless IO::AIO::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3294	warn "iterate...";
2376	}	3295	}
		3296
		3297	++$RELOAD;
2377		3298
2378	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3301	%EXT_CORO = ();
2381		3302
2382	warn "removing commands";	3303	warn "removing commands";
2383	%COMMAND = ();	3304	%COMMAND = ();
2384		3305
2385	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2387		3309
2388	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2391		3313
…		…
2421	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3345
2424	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2426		3349
2427	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3351	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2430		3353
…		…
2433	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2434	require cf;	3357	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3359
2437	warn "loading config and database again";	3360	warn "loading config and database again";
2438	cf::cfg_load;	3361	cf::reload_config;
2439	cf::db_load;
2440		3362
2441	warn "loading extensions";	3363	warn "loading extensions";
2442	cf::load_extensions;	3364	cf::load_extensions;
2443		3365
2444	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3367	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2448		3372
2449	warn "restarting server ticker";	3373	warn "leaving sync_job";
2450		3374
2451	$TICK_WATCHER->start;	3375	1
2452	};	3376	} or do {
2453
2454	if ($@) {
2455	warn $@;	3377	warn $@;
2456	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2457	exit 1;	3379	exit 1;
2458	}	3380	};
2459		3381
2460	warn "reloaded";	3382	warn "reloaded";
2461	};	3383	};
2462		3384
2463	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2464		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2465	register_command "reload" => sub {	3402	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2467		3404
2468	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2470		3407	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3408	}
2484	};	3409	};
2485		3410
2486	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2487		3412
2488	my $bug_warning = 0;	3413	my $bug_warning = 0;
2489		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3439	reentrant => 0,
2492	parked => 1,	3440	parked => 1,
2493	prio => 0,	3441	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2500	return;	3448	return;
2501	}	3449	}
2502		3450
2503	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2504		3452
2505	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2506	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2508		3480
2509	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3483	Coro::async_pool {
2512	Event::sweep;	3484	write_runtime
2513	Coro::cede_notself;	3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
2514		3487	}
		3488
2515	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2517		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2518	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3503
2521	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2523	},	3513	},
2524	);	3514	);
2525		3515
		3516	{
		3517	BDB::max_poll_time $TICK * 0.1;
		3518	$BDB_POLL_WATCHER = Event->io (
		3519	reentrant => 0,
		3520	fd => BDB::poll_fileno,
		3521	poll => 'r',
		3522	prio => 0,
		3523	data => WF_AUTOCANCEL,
		3524	cb => \&BDB::poll_cb,
		3525	);
		3526	BDB::min_parallel 8;
		3527
		3528	BDB::set_sync_prepare {
		3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
		3562	};
		3563	}
		3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3574	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3575	poll => 'r',
2533	prio => 6,	3576	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2536	);	3578	);
		3579	}
2537		3580
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3581	my $_log_backtrace;
2539	reentrant => 0,	3582
2540	data => WF_AUTOCANCEL,	3583	sub _log_backtrace {
2541	after => 1,	3584	my ($msg, @addr) = @_;
2542	interval => 10,	3585
2543	prio => 6, # keep it lowest so it acts like a watchdog	3586	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3587
2545	write_runtime	3588	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3616	}
2548	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2549		3621
2550	END { cf::emergency_save }	3622	END { cf::emergency_save }
2551		3623
2552	1	3624	1
2553		3625

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