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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	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;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	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.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	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
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($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#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$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;
271	}	393	}
272		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	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)
286	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
287	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.
288		411
289	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
290	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
291	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
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		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
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		481
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
352	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.
353		486
354	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		488
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
359	and return;	490	my ($cb, @args) = @_;
360		491
361	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
362	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
363		495
364	close $fh	496	my @res = Coro::Util::fork_eval {
365	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
366		500
367	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
368	and return;	502	}
369		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	};
370	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 });
371	}	629	}
372		630
373	=back	631	=back
374		632
375	=cut	633	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
384		642
385	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>
386	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
387	crossfire+).	645	Crossfire TRT).
388		646
389	=over 4	647	=over 4
390		648
391	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
392		650
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
556		814
557	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		819
562	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	821	my $pkg = shift @arg;
564		822
565	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
595	}	853	}
596		854
597	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
598	} else {	856	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	858	}
601		859
602	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
603	}	861	}
604		862
…		…
606	if (ref $_[0]) {	864	if (ref $_[0]) {
607	_object_attach @_;	865	_object_attach @_;
608	} else {	866	} else {
609	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
610	}	868	}
		869	_recalc_want;
611	};	870	};
612		871
613	# all those should be optimised	872	# all those should be optimised
614	sub cf::attachable::detach {	873	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
619	reattach ($obj);	878	reattach ($obj);
620	} else {	879	} else {
621	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
622	}	881	}
		882	_recalc_want;
623	};	883	};
624		884
625	sub cf::attachable::attached {	885	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
627		887
…		…
642	";	902	";
643	die if $@;	903	die if $@;
644	}	904	}
645		905
646	our $override;	906	our $override;
647	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?
648		908
649	sub override {	909	sub override {
650	$override = 1;	910	$override = 1;
651	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
652	}	912	}
653		913
654	sub do_invoke {	914	sub do_invoke {
655	my $event = shift;	915	my $event = shift;
656	my $callbacks = shift;	916	my $callbacks = shift;
657		917
658	@invoke_results = ();	918	@INVOKE_RESULTS = ();
659		919
660	local $override;	920	local $override;
661		921
662	for (@$callbacks) {	922	for (@$callbacks) {
663	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
680		940
681	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
682		942
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		946
687	=back	947	=back
688		948
689	=cut	949	=cut
690		950
691	#############################################################################	951	#############################################################################
692	# 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	}
693		964
694	sub reattach {	965	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	967	my ($obj) = @_;
697		968
…		…
742	);	1013	);
743		1014
744	sub object_freezer_save {	1015	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
746		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
747	sync_job {	1020	sync_job {
748	if (length $$rdata) {	1021	if (length $$rdata) {
749	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
751		1024
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1029	close $fh;
757		1030
758	if (@$objs) {	1031	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1037	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
766	}	1039	}
767	} else {	1040	} else {
768	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
774	}	1047	}
775	} else {	1048	} else {
776	aio_unlink $filename;	1049	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
778	}	1051	}
779	}	1052	};
		1053
		1054	undef $guard;
780	}	1055	}
781		1056
782	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
784		1059
…		…
789		1064
790	sub object_thawer_load {	1065	sub object_thawer_load {
791	my ($filename) = @_;	1066	my ($filename) = @_;
792		1067
793	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
794		1071
795	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
796	or return;	1073	or return;
797		1074
798	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
800	or return;	1077	or return;
		1078
		1079	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1081	}
803		1082
804	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
806	return ($data, $av);	1086	($data, $av)
807	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
808		1094
809	#############################################################################	1095	#############################################################################
810	# command handling &c	1096	# command handling &c
811		1097
812	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1112	}
827		1113
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1115
830	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.
831		1121
832	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
833	called.	1123	called.
834		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
835	=cut	1136	=cut
836		1137
837	sub register_extcmd {	1138	sub register_extcmd {
838	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
839		1140
840	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
841	}	1148	}
842		1149
843	cf::player->attach (	1150	cf::player->attach (
844	on_command => sub {	1151	on_command => sub {
845	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1161	cf::override;
855	},	1162	},
856	on_extcmd => sub {	1163	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
858		1165
859	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1167
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
867	} else {	1183	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1185	}
870		1186
871	cf::override;	1187	cf::override;
872	},	1188	},
873	);	1189	);
874		1190
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
910	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1196	next unless -r $path;
912	eval {	1197
913	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;
914	1	1255	}
915	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
916	}	1261	};
917	}	1262	}
918		1263
919	#############################################################################	1264	#############################################################################
920		1265
		1266	=back
		1267
921	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
922		1269
923	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
924		1271
925	=cut	1272	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
938		1285
939	=cut	1286	=cut
940		1287
941	sub playerdir($) {	1288	sub playerdir($) {
942	cf::localdir	1289	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1291	}
948		1292
949	sub path($) {	1293	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1295
952	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
953	}	1297	}
954		1298
955	sub find_active($) {	1299	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1314	my $login = $_[0];
971		1315
972	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
973		1317
974	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
976	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
978	}	1335	}
979	}	1336	}
980	}	1337	}
981		1338
…		…
991		1348
992	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
994		1351
995	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
996	Coro::cede;	1353	cf::cede_to_tick;
997	}	1354	}
998		1355
999	sub new($) {	1356	sub new($) {
1000	my ($login) = @_;	1357	my ($login) = @_;
1001		1358
…		…
1007	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1008		1365
1009	$self	1366	$self
1010	}	1367	}
1011		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1012	=item $pl->quit_character	1379	=item $pl->quit_character
1013		1380
1014	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1016		1383
1017	=cut	1384	=cut
1018		1385
1019	sub quit_character {	1386	sub quit_character {
1020	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1021		1390
1022	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1393
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1035	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1036	}	1425	}
1037		1426
1038	=item cf::player::list_logins	1427	=item cf::player::list_logins
1039		1428
1040	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1042		1431
1043	=cut	1432	=cut
1044		1433
1045	sub list_logins {	1434	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1436	or return [];
1048		1437
1049	my @logins;	1438	my @logins;
1050		1439
1051	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1055		1449
1056	utf8::decode $login;	1450	utf8::decode $login;
1057	push @logins, $login;	1451	push @logins, $login;
1058	}	1452	}
1059		1453
…		…
1067		1461
1068	=cut	1462	=cut
1069		1463
1070	sub maps($) {	1464	sub maps($) {
1071	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1468
1073	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1074	or return;	1470	or return;
1075		1471
1076	my @paths;	1472	my @paths;
…		…
1078	for (@$files) {	1474	for (@$files) {
1079	utf8::decode $_;	1475	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1082		1478
1083	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1480	}
1086		1481
1087	\@paths	1482	\@paths
1088	}	1483	}
1089		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1091		1537
1092	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1093		1539
1094	=cut	1540	=cut
1095		1541
1096	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1098		1544
1099	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1546	}
1103		1547
1104	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1105		1588
1106	=back	1589	=back
1107
1108		1590
1109	=head3 cf::map	1591	=head3 cf::map
1110		1592
1111	=over 4	1593	=over 4
1112		1594
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1624	)
1143	}	1625	}
1144		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
1145	sub register {	1635	sub register {
1146	my (undef, $regex) = @_;	1636	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1637	my $pkg = caller;
1148		1638
1149	no strict;	1639	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1640	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1641
1152	$EXT_MAP{$pkg} = qr<$regex>;	1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1643	}
1154		1644
1155	# also paths starting with '/'	1645	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1647
1158	sub thawer_merge {	1648	sub thawer_merge {
1159	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1160		1650
1161	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1162	local $self->{path};	1652	local $self->{path};
1163	local $self->{load_path};	1653	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1654
1167	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1168	}	1656	}
1169		1657
1170	sub normalise {	1658	sub normalise {
1171	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1172		1664
1173	# map plan:	1665	# map plan:
1174	#	1666	#
1175	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1204		1696
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1698
1207	$path = normalise $path, $base;	1699	$path = normalise $path, $base;
1208		1700
1209	for my $pkg (keys %EXT_MAP) {	1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1703	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1704	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1214	return $self;	1706	return $self;
1215	}	1707	}
1216	}	1708	}
1217		1709
1218	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1711	()
1220	}	1712	}
1221		1713
1222	sub init {	1714	sub init {
1223	my ($self) = @_;	1715	my ($self) = @_;
…		…
1238		1730
1239	# the original (read-only) location	1731	# the original (read-only) location
1240	sub load_path {	1732	sub load_path {
1241	my ($self) = @_;	1733	my ($self) = @_;
1242		1734
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1244	}	1736	}
1245		1737
1246	# the temporary/swap location	1738	# the temporary/swap location
1247	sub save_path {	1739	sub save_path {
1248	my ($self) = @_;	1740	my ($self) = @_;
1249		1741
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1252	}	1744	}
1253		1745
1254	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1255	sub uniq_path {	1747	sub uniq_path {
1256	my ($self) = @_;	1748	my ($self) = @_;
1257		1749
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1260	}	1752	}
1261		1753
1262	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1263	# all maps in C++...	1755	# all maps in C++...
1264	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1266		1758
1267	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1269	}	1761	}
1270		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1271	sub unlink_save {	1771	sub unlink_save {
1272	my ($self) = @_;	1772	my ($self) = @_;
1273		1773
1274	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1778
1279	sub load_header_from($) {	1779	sub load_header_from($) {
1280	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1281		1781
1282	utf8::encode $path;	1782	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1284	or return;	1784	or return;
1285		1785
1286	$self->_load_header ($path)	1786	$self->_load_header ($f)
1287	or return;	1787	or return;
1288		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
1289	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1290		1793
1291	1	1794	1
1292	}	1795	}
1293		1796
1294	sub load_orig {	1797	sub load_header_orig {
1295	my ($self) = @_;	1798	my ($self) = @_;
1296		1799
1297	$self->load_header_from ($self->load_path)	1800	$self->load_header_from ($self->load_path)
1298	}	1801	}
1299		1802
1300	sub load_temp {	1803	sub load_header_temp {
1301	my ($self) = @_;	1804	my ($self) = @_;
1302		1805
1303	$self->load_header_from ($self->save_path)	1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
1304	}	1826	}
1305		1827
1306	sub load_header {	1828	sub load_header {
1307	my ($self) = @_;	1829	my ($self) = @_;
1308		1830
1309	if ($self->load_temp) {	1831	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1832	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1833	} else {
1316	$self->load_orig	1834	$self->load_header_orig
1317	or return;	1835	or return;
1318		1836	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1837	}
		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
1324		1844
1325	1	1845	1
1326	}	1846	}
1327		1847
1328	sub find;	1848	sub find;
1329	sub find {	1849	sub find {
1330	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1331		1851
1332	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1333		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1335		1856
1336	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1338	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1339	or return;	1862	or return;
1340		1863
1341	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1342		1865
1343	$map->load_header	1866	$map->load_header
1344	or return;	1867	or return;
1345		1868
1346	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1349	$map->reset;	1874	$map->reset;
1350	undef $guard;
1351	$map = find $path	1875	return find $path;
1352	or return;
1353	}	1876	}
1354		1877
1355	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1356	}	1879	}
1357	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1358		1884
1359	sub load {	1885	sub load {
1360	my ($self) = @_;	1886	my ($self) = @_;
1361		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1362	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1364		1894
		1895	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1897
1367	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1368		1899
1369	$self->alloc;	1900	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1371	or return;	1908	or return;
1372		1909
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	1911	if delete $self->{load_original};
1375		1912
1376	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	1914	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	1917	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1381	}	1921	}
1382	}	1922	}
1383		1923
1384	Coro::cede;	1924	$f->resolve_delayed_derefs;
1385		1925
		1926	cf::cede_to_tick;
1386	# now do the right thing for maps	1927	# now do the right thing for maps
1387	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1930	unless $self->difficulty;
1397	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1398	$self->activate;	1940	$self->activate;
1399	}	1941	}
1400		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
1402	}	1950	}
1403		1951
1404	sub customise_for {	1952	sub customise_for {
1405	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1406		1954
1407	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1956	if $self->per_player;
1409		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1410	$self	1961	$self
1411	}	1962	}
1412		1963
1413	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1965	sub load_neighbours {
1415	my ($map) = @_;	1966	my ($map) = @_;
1416		1967
1417	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1418		1969
1419	for (0 .. 3) {	1970	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1421	or next;	1972	or next;
1422	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1423	or next;	1974	or next;
1424	$neigh->load;	1975	$neigh->load;
1425		1976
		1977	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	1980	}
1429		1981
1430	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1432	or next;	1985	or next;
1433	$neigh->load;	1986	$neigh->load;
1434	}	1987	}
1435	}	1988	}
1436		1989
…		…
1441	}	1994	}
1442		1995
1443	sub do_load_sync {	1996	sub do_load_sync {
1444	my ($map) = @_;	1997	my ($map) = @_;
1445		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1446	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1447	}	2003	}
1448		2004
1449	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1451		2007
1452	sub find_async {	2008	sub find_async {
1453	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1454		2010
1455	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1456		2012
1457	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2015	}
1460		2016
1461	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1462	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1463	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2022	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2023	$map->load if $v;
		2024	}
1468		2025
1469	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1470	}	2027	}
1471	}	2028	}
1472	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1473	};	2030	};
		2031	$MAP_PREFETCHER->prio (6);
1474		2032
1475	()	2033	()
1476	}	2034	}
1477		2035
1478	sub save {	2036	sub save {
1479	my ($self) = @_;	2037	my ($self) = @_;
1480		2038
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2040
1483	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1484		2042
1485	return unless $self->dirty;	2043	return unless $self->dirty;
1486		2044
…		…
1509	my ($self) = @_;	2067	my ($self) = @_;
1510		2068
1511	# save first because save cedes	2069	# save first because save cedes
1512	$self->save;	2070	$self->save;
1513		2071
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2073
1516	return if $self->players;	2074	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2076	return if $self->{deny_save};
1519		2077
		2078	$self->deactivate;
1520	$self->clear;	2079	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2081	}
1523		2082
1524	sub reset_at {	2083	sub reset_at {
1525	my ($self) = @_;	2084	my ($self) = @_;
1526		2085
1527	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1530		2088
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2091
…		…
1544	my ($self) = @_;	2102	my ($self) = @_;
1545		2103
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2105
1548	return if $self->players;	2106	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2107
1551	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1552		2119
1553	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1554		2121
1555	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1556	$self->clear;	2123	$self->clear;
1557		2124
1558	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1559		2126
1560	$self->unlink_save;	2127	$self->unlink_save;
…		…
1564	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1565		2132
1566	sub nuke {	2133	sub nuke {
1567	my ($self) = @_;	2134	my ($self) = @_;
1568		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1569	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1570		2140
1571	$self->unlink_save;	2141	$self->unlink_save;
1572		2142
1573	bless $self, "cf::map";	2143	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2148
1579	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1580		2151
1581	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1582	}	2189	}
1583		2190
1584	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1585		2192
1586	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2194	instantiated unique items. May block.
1588		2195
1589	=cut	2196	=cut
1590		2197
1591	sub unique_maps() {	2198	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1593	or return;	2200	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2201	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2202	/\.map$/
1603	push @paths, $_;	2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2206	]
1605
1606	\@paths
1607	}	2207	}
1608		2208
1609	package cf;	2209	package cf;
1610		2210
1611	=back	2211	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1630	}	2230	}
1631		2231
1632	sub inv_recursive {	2232	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1634	}	2265	}
1635		2266
1636	package cf;	2267	package cf;
1637		2268
1638	=back	2269	=back
…		…
1657		2288
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2290
1660	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1662	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1665	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1666	}	2316	}
1667		2317
1668	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1669		2319
1670	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2352	=cut
1703		2353
1704	sub link_map {	2354	sub link_map {
1705	unless ($LINK_MAP) {	2355	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2356	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2358	$LINK_MAP->load;
1709	}	2359	}
1710		2360
1711	$LINK_MAP	2361	$LINK_MAP
1712	}	2362	}
…		…
1717	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1718		2368
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2370
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1723		2373
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2375	}
1726		2376
1727	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1729		2381
1730	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1731		2383
1732	unless ($map) {	2384	unless ($map) {
1733	# restore original map position	2385	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1750		2402
1751	$map->load;	2403	$map->load;
1752	$map->load_diag;	2404	$map->load_neighbours;
1753		2405
1754	return unless $self->contr->active;	2406	return unless $self->contr->active;
1755	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1757	}	2411	}
1758		2412
1759	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2414
1763	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1767	};	2419	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2420
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1794		2424
1795	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2430
1798	$self->enter_link;	2431	$self->enter_link;
1799		2432
1800	(async {	2433	(async {
		2434	my $map = eval {
1801	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1803		2439	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1808		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1810	})->prio (1);	2458	})->prio (1);
1811	}	2459	}
1812		2460
1813	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1814		2462
…		…
1843	# that depends on the exit object	2491	# that depends on the exit object
1844		2492
1845	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1846		2494
1847	if ($exit->map) {	2495	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1852	}	2500	}
1853		2501
1854	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1855		2503
1856	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1859		2507
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2510	undef $fh;
1863	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1872		2520
1873	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1874		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1875	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1876		2539
1877	(async {	2540	(async {
1878	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2542	unless (eval {
1880	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2544
1886	1;	2545	1;
1887	}) {	2546	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2551
1893	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2553	$self->leave_link;
1895	}	2554	}
1896	})->prio (1);	2555	})->prio (1);
…		…
1909		2568
1910	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1912		2571
1913	utf8::encode $text;	2572	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2574	}
1916		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1917		2691
1918	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1919		2693
1920	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2697
1924	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2699	become reliable at some point in the future.
1926		2700
1927	=cut	2701	=cut
1928		2702
1929	sub cf::client::query {	2703	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2712	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2714
1941	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1943	}	2719	}
1944		2720
1945	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1946	on_reply => sub {	2727	on_reply => sub {
1947	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1948		2729
1949	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1950	# get handled first	2731	# get handled first
1951	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2734
1954	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2737
1956	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1957		2739
1958	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2741	if (@$queue) {
…		…
1961	} else {	2743	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2745	}
1964	}	2746	}
1965	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1966	);	2774	);
1967		2775
1968	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1969		2777
1970	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2013		2821
2014	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2015		2823
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2017		2829
2018	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2019		2831
2020	=pod	2832	=pod
2021		2833
2022	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2023		2835
2024	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2025	cf::object::player player	2840	cf::object::player
2026	cf::player peaceful	2841	player
2027	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2028		2848
2029	=cut	2849	=cut
2030		2850
2031	for (	2851	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2033	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2036	) {	2858	) {
2037	no strict 'refs';	2859	no strict 'refs';
…		…
2108	=back	2930	=back
2109		2931
2110	=cut	2932	=cut
2111		2933
2112	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2113		2936
2114	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2115		2939
2116	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2118	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		2943
2120	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		2945
2123	=over 4	2946	warn "loading facedata from $path\n";
2124		2947
2125	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2126		2951
2127	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		2953
2131	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		2956
2133	Returns a single value from the database	2957	# patch in the exptable
2134		2958	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2136		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	2961	};
		2962	cf::cede_to_tick;
2186		2963
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2191		2966
2192	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
2195	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
2196	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2197		2973
2198	sub db_put($$;$) {	2974	cf::cede_to_tick;
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2975	}
2212	);
2213	}
2214		2976
2215	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2217		2987
2218	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3115	or return;
2221		3116
2222	local $/;	3117	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2224		3119
…		…
2243	(async {	3138	(async {
2244	Event::one_event;	3139	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2246	};	3141	};
2247		3142
2248	cfg_load;	3143	reload_config;
2249	db_load;	3144	db_init;
2250	load_extensions;	3145	load_extensions;
2251		3146
2252	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2253	Event::loop;	3148	Event::loop;
2254	}	3149	}
…		…
2258		3153
2259	# install some emergency cleanup handlers	3154	# install some emergency cleanup handlers
2260	BEGIN {	3155	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3156	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3157	Event->signal (
		3158	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3159	data => WF_AUTOCANCEL,
2264	signal => $signal,	3160	signal => $signal,
		3161	prio => 0,
2265	cb => sub {	3162	cb => sub {
2266	cf::cleanup "SIG$signal";	3163	cf::cleanup "SIG$signal";
2267	},	3164	},
2268	);	3165	);
2269	}	3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
2270	}	3205	}
2271		3206
2272	sub emergency_save() {	3207	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2274		3209
…		…
2291	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3227	$map->valid or next;
2293	$map->save;	3228	$map->save;
2294	}	3229	}
2295	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2296	};	3235	};
2297		3236
2298	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2299	}	3238	}
2300		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2301	sub reload() {	3247	sub do_reload_perl() {
2302	# can/must only be called in main	3248	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2305	return;	3251	return;
2306	}	3252	}
2307		3253
2308	warn "reloading...";	3254	warn "reloading...";
2309		3255
2310	warn "cancelling server ticker";	3256	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2314		3262
2315	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2316	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3267
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3271	}
2325		3272
2326	warn "flushing outstanding aio requests";	3273	warn "flushing outstanding aio requests";
2327	for (;;) {	3274	for (;;) {
		3275	BDB::flush;
2328	IO::AIO::flush;	3276	IO::AIO::flush;
2329	Coro::cede;	3277	Coro::cede;
2330	last unless IO::AIO::nreqs;	3278	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3279	warn "iterate...";
2332	}	3280	}
		3281
		3282	++$RELOAD;
2333		3283
2334	warn "cancelling all extension coros";	3284	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3286	%EXT_CORO = ();
2337		3287
2338	warn "removing commands";	3288	warn "removing commands";
2339	%COMMAND = ();	3289	%COMMAND = ();
2340		3290
2341	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2343		3294
2344	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2347		3298
…		…
2377	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3330
2380	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2382		3334
2383	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3336	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2386		3338
…		…
2389	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2390	require cf;	3342	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3344
2393	warn "loading config and database again";	3345	warn "loading config and database again";
2394	cf::cfg_load;	3346	cf::reload_config;
2395	cf::db_load;
2396		3347
2397	warn "loading extensions";	3348	warn "loading extensions";
2398	cf::load_extensions;	3349	cf::load_extensions;
2399		3350
2400	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3352	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
		3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2404		3357
2405	warn "restarting server ticker";	3358	warn "leaving sync_job";
2406		3359
2407	$TICK_WATCHER->start;	3360	1
2408	};	3361	} or do {
2409
2410	if ($@) {
2411	warn $@;	3362	warn $@;
2412	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2413	exit 1;	3364	exit 1;
2414	}	3365	};
2415		3366
2416	warn "reloaded";	3367	warn "reloaded";
2417	};	3368	};
2418		3369
2419	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2420		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2421	register_command "reload" => sub {	3387	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2423		3389
2424	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2426		3392	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3393	}
2435	};	3394	};
2436		3395
2437	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2438		3397
2439	my $bug_warning = 0;	3398	my $bug_warning = 0;
2440		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3424	reentrant => 0,
2443	parked => 1,	3425	parked => 1,
2444	prio => 0,	3426	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2451	return;	3433	return;
2452	}	3434	}
2453		3435
2454	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2455		3437
2456	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2457	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2459		3465
2460	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
2462		3485
2463	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3488
2466	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2468	},	3498	},
2469	);	3499	);
2470		3500
		3501	{
		3502	BDB::max_poll_time $TICK * 0.1;
		3503	$BDB_POLL_WATCHER = Event->io (
		3504	reentrant => 0,
		3505	fd => BDB::poll_fileno,
		3506	poll => 'r',
		3507	prio => 0,
		3508	data => WF_AUTOCANCEL,
		3509	cb => \&BDB::poll_cb,
		3510	);
		3511	BDB::min_parallel 8;
		3512
		3513	BDB::set_sync_prepare {
		3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
		3547	};
		3548	}
		3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3555	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3557	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3558	data => WF_AUTOCANCEL,
2483	after => 1,	3559	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3560	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3561	prio => 6,
2486	cb => Coro::unblock_sub {	3562	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3563	);
2488	or warn "ERROR: unable to write runtime file: $!";	3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3601	}
2490	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2491		3606
2492	END { cf::emergency_save }	3607	END { cf::emergency_save }
2493		3608
2494	1	3609	1
2495		3610

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