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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 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	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
…		…
930		1277
931	=head3 cf::player	1278	=head3 cf::player
932		1279
933	=over 4	1280	=over 4
934		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
935	=item cf::player::find $login	1296	=item cf::player::find $login
936		1297
937	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
938		1299
939	=cut	1300	=cut
940		1301
941	sub playerdir($) {	1302	sub playerdir($) {
942	cf::localdir	1303	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1305	}
948		1306
949	sub path($) {	1307	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1309
952	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
953	}	1311	}
954		1312
955	sub find_active($) {	1313	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1328	my $login = $_[0];
971		1329
972	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
973		1331
974	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
976	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
978	}	1349	}
979	}	1350	}
980	}	1351	}
981		1352
…		…
991		1362
992	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
994		1365
995	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
996	Coro::cede;	1367	cf::cede_to_tick;
997	}	1368	}
998		1369
999	sub new($) {	1370	sub new($) {
1000	my ($login) = @_;	1371	my ($login) = @_;
1001		1372
…		…
1007	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1008		1379
1009	$self	1380	$self
1010	}	1381	}
1011		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1012	=item $pl->quit_character	1393	=item $pl->quit_character
1013		1394
1014	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1016		1397
1017	=cut	1398	=cut
1018		1399
1019	sub quit_character {	1400	sub quit_character {
1020	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1021		1404
1022	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1407
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1035	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1036	}	1439	}
1037		1440
1038	=item cf::player::list_logins	1441	=item cf::player::list_logins
1039		1442
1040	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1042		1445
1043	=cut	1446	=cut
1044		1447
1045	sub list_logins {	1448	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1450	or return [];
1048		1451
1049	my @logins;	1452	my @logins;
1050		1453
1051	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1055		1463
1056	utf8::decode $login;	1464	utf8::decode $login;
1057	push @logins, $login;	1465	push @logins, $login;
1058	}	1466	}
1059		1467
…		…
1067		1475
1068	=cut	1476	=cut
1069		1477
1070	sub maps($) {	1478	sub maps($) {
1071	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1482
1073	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1074	or return;	1484	or return;
1075		1485
1076	my @paths;	1486	my @paths;
…		…
1078	for (@$files) {	1488	for (@$files) {
1079	utf8::decode $_;	1489	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1082		1492
1083	s/\.map$//;	1493	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1494	}
1086		1495
1087	\@paths	1496	\@paths
1088	}	1497	}
1089		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1091		1551
1092	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1093		1553
1094	=cut	1554	=cut
1095		1555
1096	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1098		1558
1099	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1560	}
1103		1561
1104	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1105		1602
1106	=back	1603	=back
1107
1108		1604
1109	=head3 cf::map	1605	=head3 cf::map
1110		1606
1111	=over 4	1607	=over 4
1112		1608
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1638	)
1143	}	1639	}
1144		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
1145	sub register {	1649	sub register {
1146	my (undef, $regex) = @_;	1650	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1651	my $pkg = caller;
1148		1652
1149	no strict;	1653	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1654	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1655
1152	$EXT_MAP{$pkg} = qr<$regex>;	1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1657	}
1154		1658
1155	# also paths starting with '/'	1659	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1661
1158	sub thawer_merge {	1662	sub thawer_merge {
1159	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1160		1664
1161	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1162	local $self->{path};	1666	local $self->{path};
1163	local $self->{load_path};	1667	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1668
1167	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1168	}	1670	}
1169		1671
1170	sub normalise {	1672	sub normalise {
1171	my ($path, $base) = @_;	1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
1172		1678
1173	# map plan:	1679	# map plan:
1174	#	1680	#
1175	# /! non-realised random map exit (special hack!)	1681	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1682	# {... are special paths that are not being touched
…		…
1204		1710
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1712
1207	$path = normalise $path, $base;	1713	$path = normalise $path, $base;
1208		1714
1209	for my $pkg (keys %EXT_MAP) {	1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1717	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1718	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1214	return $self;	1720	return $self;
1215	}	1721	}
1216	}	1722	}
1217		1723
1218	Carp::carp "unable to resolve path '$path'.";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1725	()
1220	}	1726	}
1221		1727
1222	sub init {	1728	sub init {
1223	my ($self) = @_;	1729	my ($self) = @_;
…		…
1238		1744
1239	# the original (read-only) location	1745	# the original (read-only) location
1240	sub load_path {	1746	sub load_path {
1241	my ($self) = @_;	1747	my ($self) = @_;
1242		1748
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1244	}	1750	}
1245		1751
1246	# the temporary/swap location	1752	# the temporary/swap location
1247	sub save_path {	1753	sub save_path {
1248	my ($self) = @_;	1754	my ($self) = @_;
1249		1755
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1252	}	1758	}
1253		1759
1254	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1255	sub uniq_path {	1761	sub uniq_path {
1256	my ($self) = @_;	1762	my ($self) = @_;
1257		1763
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1260	}	1766	}
1261		1767
1262	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1263	# all maps in C++...	1769	# all maps in C++...
1264	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1266		1772
1267	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1269	}	1775	}
1270		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1271	sub unlink_save {	1785	sub unlink_save {
1272	my ($self) = @_;	1786	my ($self) = @_;
1273		1787
1274	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1792
1279	sub load_header_from($) {	1793	sub load_header_from($) {
1280	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1281		1795
1282	utf8::encode $path;	1796	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1284	or return;	1798	or return;
1285		1799
1286	$self->_load_header ($path)	1800	$self->_load_header ($f)
1287	or return;	1801	or return;
1288		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
		1805
1289	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1290		1807
1291	1	1808	1
1292	}	1809	}
1293		1810
1294	sub load_orig {	1811	sub load_header_orig {
1295	my ($self) = @_;	1812	my ($self) = @_;
1296		1813
1297	$self->load_header_from ($self->load_path)	1814	$self->load_header_from ($self->load_path)
1298	}	1815	}
1299		1816
1300	sub load_temp {	1817	sub load_header_temp {
1301	my ($self) = @_;	1818	my ($self) = @_;
1302		1819
1303	$self->load_header_from ($self->save_path)	1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
1304	}	1840	}
1305		1841
1306	sub load_header {	1842	sub load_header {
1307	my ($self) = @_;	1843	my ($self) = @_;
1308		1844
1309	if ($self->load_temp) {	1845	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1846	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1847	} else {
1316	$self->load_orig	1848	$self->load_header_orig
1317	or return;	1849	or return;
1318		1850	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1851	}
		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
1324		1858
1325	1	1859	1
1326	}	1860	}
1327		1861
1328	sub find;	1862	sub find;
1329	sub find {	1863	sub find {
1330	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1331		1865
1332	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1333		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1335		1870
1336	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1338	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1339	or return;	1876	or return;
1340		1877
1341	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1342		1879
1343	$map->load_header	1880	$map->load_header
1344	or return;	1881	or return;
1345		1882
1346	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1349	$map->reset;	1888	$map->reset;
1350	undef $guard;
1351	$map = find $path	1889	return find $path;
1352	or return;
1353	}	1890	}
1354		1891
1355	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1356	}	1893	}
1357	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1358		1898
1359	sub load {	1899	sub load {
1360	my ($self) = @_;	1900	my ($self) = @_;
1361		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1362	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1364		1908
		1909	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		1911
1367	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1368		1913
1369	$self->alloc;	1914	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1371	or return;	1922	or return;
1372		1923
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	1925	if delete $self->{load_original};
1375		1926
1376	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	1928	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	1931	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1381	}	1935	}
1382	}	1936	}
1383		1937
1384	Coro::cede;	1938	$f->resolve_delayed_derefs;
1385		1939
		1940	cf::cede_to_tick;
1386	# now do the right thing for maps	1941	# now do the right thing for maps
1387	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1388
1389	unless ($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)	1943	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1944	unless $self->difficulty;
1397	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1398	$self->activate;	1954	$self->activate;
1399	}	1955	}
1400		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
1402	}	1964	}
1403		1965
1404	sub customise_for {	1966	sub customise_for {
1405	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1406		1968
1407	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1970	if $self->per_player;
1409		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1410	$self	1975	$self
1411	}	1976	}
1412		1977
1413	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1979	sub load_neighbours {
1415	my ($map) = @_;	1980	my ($map) = @_;
1416		1981
1417	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1418		1983
1419	for (0 .. 3) {	1984	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1421	or next;	1986	or next;
1422	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1423	or next;	1988	or next;
1424	$neigh->load;	1989	$neigh->load;
1425		1990
		1991	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	1994	}
1429		1995
1430	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1432	or next;	1999	or next;
1433	$neigh->load;	2000	$neigh->load;
1434	}	2001	}
1435	}	2002	}
1436		2003
…		…
1441	}	2008	}
1442		2009
1443	sub do_load_sync {	2010	sub do_load_sync {
1444	my ($map) = @_;	2011	my ($map) = @_;
1445		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1446	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1447	}	2017	}
1448		2018
1449	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1451		2021
1452	sub find_async {	2022	sub find_async {
1453	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1454		2024
1455	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1456		2026
1457	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2029	}
1460		2030
1461	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1462	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1463	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2036	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2037	$map->load if $v;
		2038	}
1468		2039
1469	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1470	}	2041	}
1471	}	2042	}
1472	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1473	};	2044	};
		2045	$MAP_PREFETCHER->prio (6);
1474		2046
1475	()	2047	()
1476	}	2048	}
1477		2049
1478	sub save {	2050	sub save {
1479	my ($self) = @_;	2051	my ($self) = @_;
1480		2052
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2054
1483	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1484		2056
1485	return unless $self->dirty;	2057	return unless $self->dirty;
1486		2058
…		…
1509	my ($self) = @_;	2081	my ($self) = @_;
1510		2082
1511	# save first because save cedes	2083	# save first because save cedes
1512	$self->save;	2084	$self->save;
1513		2085
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2087
1516	return if $self->players;	2088	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2090	return if $self->{deny_save};
1519		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2096	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2097	}
1523		2098
1524	sub reset_at {	2099	sub reset_at {
1525	my ($self) = @_;	2100	my ($self) = @_;
1526		2101
1527	# TODO: safety, remove and allow resettable per-player maps	2102	# 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};	2103	return 1e99 if $self->{deny_reset};
1530		2104
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2107
…		…
1544	my ($self) = @_;	2118	my ($self) = @_;
1545		2119
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2121
1548	return if $self->players;	2122	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2123
1551	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1552		2135
1553	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1554		2137
1555	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2140	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2141
1560	$self->unlink_save;	2142	$self->unlink_save;
1561	$self->destroy;	2143	$self->destroy;
1562	}	2144	}
1563		2145
1564	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1565		2147
1566	sub nuke {	2148	sub nuke {
1567	my ($self) = @_;	2149	my ($self) = @_;
1568		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1569	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1570		2155
1571	$self->unlink_save;	2156	$self->unlink_save;
1572		2157
1573	bless $self, "cf::map";	2158	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2163
1579	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1580		2166
1581	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1582	}	2204	}
1583		2205
1584	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1585		2207
1586	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2209	instantiated unique items. May block.
1588		2210
1589	=cut	2211	=cut
1590		2212
1591	sub unique_maps() {	2213	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1593	or return;	2215	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2216	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2217	/\.map$/
1603	push @paths, $_;	2218	? normalise $_
		2219	: ()
		2220	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2221	]
1605
1606	\@paths
1607	}	2222	}
1608		2223
1609	package cf;	2224	package cf;
1610		2225
1611	=back	2226	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1630	}	2245	}
1631		2246
1632	sub inv_recursive {	2247	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1634	}	2280	}
1635		2281
1636	package cf;	2282	package cf;
1637		2283
1638	=back	2284	=back
…		…
1657		2303
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2305
1660	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1662	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1665	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1666	}	2331	}
1667		2332
1668	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1669		2334
1670	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2367	=cut
1703		2368
1704	sub link_map {	2369	sub link_map {
1705	unless ($LINK_MAP) {	2370	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2371	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2373	$LINK_MAP->load;
1709	}	2374	}
1710		2375
1711	$LINK_MAP	2376	$LINK_MAP
1712	}	2377	}
…		…
1717	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1718		2383
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2385
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1723		2388
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2390	}
1726		2391
1727	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1729		2396
1730	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1731		2398
1732	unless ($map) {	2399	unless ($map) {
1733	# restore original map position	2400	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1750		2417
1751	$map->load;	2418	$map->load;
1752	$map->load_diag;	2419	$map->load_neighbours;
1753		2420
1754	return unless $self->contr->active;	2421	return unless $self->contr->active;
1755	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1757	}	2426	}
1758		2427
1759	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2429
1763	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1767	};	2434	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2435
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	2436	=cut
		2437
		2438	our $GOTOGEN;
1794		2439
1795	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2445
1798	$self->enter_link;	2446	$self->enter_link;
1799		2447
1800	(async {	2448	(async {
		2449	my $map = eval {
1801	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1803		2454	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1808		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1810	})->prio (1);	2473	})->prio (1);
1811	}	2474	}
1812		2475
1813	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1814		2477
…		…
1843	# that depends on the exit object	2506	# that depends on the exit object
1844		2507
1845	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1846		2509
1847	if ($exit->map) {	2510	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1852	}	2515	}
1853		2516
1854	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1855		2518
1856	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1859		2522
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2525	undef $fh;
1863	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1872		2535
1873	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1874		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1875	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1876		2554
1877	(async {	2555	(async {
1878	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2557	unless (eval {
1880	prepare_random_map $exit	2558	$self->goto ($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		2559
1886	1;	2560	1;
1887	}) {	2561	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2566
1893	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2568	$self->leave_link;
1895	}	2569	}
1896	})->prio (1);	2570	})->prio (1);
…		…
1909		2583
1910	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1912		2586
1913	utf8::encode $text;	2587	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2589	}
1916		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1917		2706
1918	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1919		2708
1920	Queues a query to the client, calling the given callback with	2709	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>,	2710	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>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2712
1924	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2714	become reliable at some point in the future.
1926		2715
1927	=cut	2716	=cut
1928		2717
1929	sub cf::client::query {	2718	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2727	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2729
1941	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1943	}	2734	}
1944		2735
1945	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1946	on_reply => sub {	2742	on_reply => sub {
1947	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1948		2744
1949	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1950	# get handled first	2746	# get handled first
1951	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2749
1954	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2752
1956	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1957		2754
1958	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2756	if (@$queue) {
…		…
1961	} else {	2758	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2760	}
1964	}	2761	}
1965	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1966	);	2789	);
1967		2790
1968	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1969		2792
1970	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2013		2836
2014	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2015		2838
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2017		2844
2018	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2019		2846
2020	=pod	2847	=pod
2021		2848
2022	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2023		2850
2024	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2025	cf::object::player player	2855	cf::object::player
2026	cf::player peaceful	2856	player
2027	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2028		2863
2029	=cut	2864	=cut
2030		2865
2031	for (	2866	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2033	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2036	) {	2873	) {
2037	no strict 'refs';	2874	no strict 'refs';
…		…
2108	=back	2945	=back
2109		2946
2110	=cut	2947	=cut
2111		2948
2112	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2113		2951
2114	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2115		2954
2116	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2118	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		2958
2120	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		2960
2123	=over 4	2961	warn "loading facedata from $path\n";
2124		2962
2125	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2126		2966
2127	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		2968
2131	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		2971
2133	Returns a single value from the database	2972	# patch in the exptable
2134		2973	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2136		2975	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	});	2976	};
		2977	cf::cede_to_tick;
2186		2978
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2191		2981
2192	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2195	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2196	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2197		2988
2198	sub db_put($$;$) {	2989	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	},	2990	}
2212	);
2213	}
2214		2991
2215	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2217		3002
2218	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3130	or return;
2221		3131
2222	local $/;	3132	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2224		3134
…		…
2243	(async {	3153	(async {
2244	Event::one_event;	3154	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2246	};	3156	};
2247		3157
2248	cfg_load;	3158	reload_config;
2249	db_load;	3159	db_init;
2250	load_extensions;	3160	load_extensions;
2251		3161
2252	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2253	Event::loop;	3163	Event::loop;
2254	}	3164	}
…		…
2258		3168
2259	# install some emergency cleanup handlers	3169	# install some emergency cleanup handlers
2260	BEGIN {	3170	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3171	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3172	Event->signal (
		3173	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3174	data => WF_AUTOCANCEL,
2264	signal => $signal,	3175	signal => $signal,
		3176	prio => 0,
2265	cb => sub {	3177	cb => sub {
2266	cf::cleanup "SIG$signal";	3178	cf::cleanup "SIG$signal";
2267	},	3179	},
2268	);	3180	);
2269	}	3181	}
		3182	}
		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
2270	}	3220	}
2271		3221
2272	sub emergency_save() {	3222	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2274		3224
…		…
2291	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3242	$map->valid or next;
2293	$map->save;	3243	$map->save;
2294	}	3244	}
2295	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2296	};	3250	};
2297		3251
2298	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2299	}	3253	}
2300		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2301	sub reload() {	3262	sub do_reload_perl() {
2302	# can/must only be called in main	3263	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2305	return;	3266	return;
2306	}	3267	}
2307		3268
2308	warn "reloading...";	3269	warn "reloading...";
2309		3270
2310	warn "cancelling server ticker";	3271	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2314		3277
2315	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2316	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3282
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3286	}
2325		3287
2326	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2327	for (;;) {	3289	for (;;) {
		3290	BDB::flush;
2328	IO::AIO::flush;	3291	IO::AIO::flush;
2329	Coro::cede;	3292	Coro::cede;
2330	last unless IO::AIO::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3294	warn "iterate...";
2332	}	3295	}
		3296
		3297	++$RELOAD;
2333		3298
2334	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3301	%EXT_CORO = ();
2337		3302
2338	warn "removing commands";	3303	warn "removing commands";
2339	%COMMAND = ();	3304	%COMMAND = ();
2340		3305
2341	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2343		3309
2344	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2347		3313
…		…
2377	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3345
2380	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2382		3349
2383	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3351	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2386		3353
…		…
2389	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2390	require cf;	3357	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3359
2393	warn "loading config and database again";	3360	warn "loading config and database again";
2394	cf::cfg_load;	3361	cf::reload_config;
2395	cf::db_load;
2396		3362
2397	warn "loading extensions";	3363	warn "loading extensions";
2398	cf::load_extensions;	3364	cf::load_extensions;
2399		3365
2400	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3367	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2404		3372
2405	warn "restarting server ticker";	3373	warn "leaving sync_job";
2406		3374
2407	$TICK_WATCHER->start;	3375	1
2408	};	3376	} or do {
2409
2410	if ($@) {
2411	warn $@;	3377	warn $@;
2412	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2413	exit 1;	3379	exit 1;
2414	}	3380	};
2415		3381
2416	warn "reloaded";	3382	warn "reloaded";
2417	};	3383	};
2418		3384
2419	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2420		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2421	register_command "reload" => sub {	3402	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2423		3404
2424	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2426		3407	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	}	3408	}
2435	};	3409	};
2436		3410
2437	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2438		3412
2439	my $bug_warning = 0;	3413	my $bug_warning = 0;
2440		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3439	reentrant => 0,
2443	parked => 1,	3440	parked => 1,
2444	prio => 0,	3441	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2451	return;	3448	return;
2452	}	3449	}
2453		3450
2454	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2455		3452
2456	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2457	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2459		3480
2460	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
2462		3500
2463	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3503
2466	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2468	},	3513	},
2469	);	3514	);
2470		3515
		3516	{
		3517	BDB::max_poll_time $TICK * 0.1;
		3518	$BDB_POLL_WATCHER = Event->io (
		3519	reentrant => 0,
		3520	fd => BDB::poll_fileno,
		3521	poll => 'r',
		3522	prio => 0,
		3523	data => WF_AUTOCANCEL,
		3524	cb => \&BDB::poll_cb,
		3525	);
		3526	BDB::min_parallel 8;
		3527
		3528	BDB::set_sync_prepare {
		3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
		3562	};
		3563	}
		3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3572	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,	3573	data => WF_AUTOCANCEL,
2483	after => 1,	3574	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3575	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3576	prio => 6,
2486	cb => Coro::unblock_sub {	3577	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3578	);
2488	or warn "ERROR: unable to write runtime file: $!";	3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3616	}
2490	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2491		3621
2492	END { cf::emergency_save }	3622	END { cf::emergency_save }
2493		3623
2494	1	3624	1
2495		3625

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