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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.374 by root, Wed Sep 19 22:07:16 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 3.3 ();	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 $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	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	173	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	174	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.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	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	412	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.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	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	417	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	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
303	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
306		435
307	my $busy = 1;	436	my $busy = 1;
308	my @res;	437	my @res;
309		438
310	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	441	@res = eval { $job->() };
312	warn $@ if $@;	442	warn $@ if $@;
313	undef $busy;	443	undef $busy;
314	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
315		445
316	while ($busy) {	446	while ($busy) {
317	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
318	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
319		456
320	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
321	} else {	458	} else {
322	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
323		460
…		…
343	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
344		481
345	$coro	482	$coro
346	}	483	}
347		484
348	sub write_runtime {	485	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		486
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
352	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
353		491
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	492	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		493
358	aio_fsync $fh	494	sub fork_call(&@) {
359	and return;	495	my ($cb, @args) = @_;
360		496
361	close $fh	497	# we seemingly have to make a local copy of the whole thing,
362	or return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
363		500
364	aio_rename "$runtime~", $runtime	501	my @res = Coro::Util::fork_eval {
365	and return;	502	reset_signals;
		503	&$cb
		504	}, @args;
366		505
		506	wantarray ? @res : $res[-1]
		507	}
		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
367	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	645	}
369		646
370	=back	647	=back
371		648
372	=cut	649	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
381		658
382	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	661	Crossfire TRT).
385		662
386	=over 4	663	=over 4
387		664
388	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
389		666
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	780	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	781	our @CB_MAP = ();
505		782
506	my %attachment;	783	my %attachment;
507		784
		785	sub cf::attachable::thawer_merge {
		786	# simply override everything except _meta
		787	local $_[0]{_meta};
		788	%{$_[0]} = %{$_[1]};
		789	}
		790
508	sub _attach_cb($$$$) {	791	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	792	my ($registry, $event, $prio, $cb) = @_;
510		793
511	use sort 'stable';	794	use sort 'stable';
512		795
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
547		830
548	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		835
553	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	837	my $pkg = shift @arg;
555		838
556	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
586	}	869	}
587		870
588	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
589	} else {	872	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	874	}
592		875
593	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
594	}	877	}
595		878
…		…
597	if (ref $_[0]) {	880	if (ref $_[0]) {
598	_object_attach @_;	881	_object_attach @_;
599	} else {	882	} else {
600	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
601	}	884	}
		885	_recalc_want;
602	};	886	};
603		887
604	# all those should be optimised	888	# all those should be optimised
605	sub cf::attachable::detach {	889	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
610	reattach ($obj);	894	reattach ($obj);
611	} else {	895	} else {
612	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
613	}	897	}
		898	_recalc_want;
614	};	899	};
615		900
616	sub cf::attachable::attached {	901	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
618		903
…		…
633	";	918	";
634	die if $@;	919	die if $@;
635	}	920	}
636		921
637	our $override;	922	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		924
640	sub override {	925	sub override {
641	$override = 1;	926	$override = 1;
642	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
643	}	928	}
644		929
645	sub do_invoke {	930	sub do_invoke {
646	my $event = shift;	931	my $event = shift;
647	my $callbacks = shift;	932	my $callbacks = shift;
648		933
649	@invoke_results = ();	934	@INVOKE_RESULTS = ();
650		935
651	local $override;	936	local $override;
652		937
653	for (@$callbacks) {	938	for (@$callbacks) {
654	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
671		956
672	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
673		958
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		962
678	=back	963	=back
679		964
680	=cut	965	=cut
681		966
682	#############################################################################	967	#############################################################################
683	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
684		980
685	sub reattach {	981	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	983	my ($obj) = @_;
		984
		985	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		986
689	my $registry = $obj->registry;	987	my $registry = $obj->registry;
690		988
691	@$registry = ();	989	@$registry = ();
692		990
…		…
733	sub object_freezer_save {	1031	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
735		1033
736	sync_job {	1034	sync_job {
737	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
740		1039
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1044	close $fh;
746		1045
747	if (@$objs) {	1046	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1052	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
755	}	1054	}
756	} else {	1055	} else {
757	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
763	}	1062	}
764	} else {	1063	} else {
765	aio_unlink $filename;	1064	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
767	}	1066	}
768	}	1067	};
769	}	1068	}
770		1069
771	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
773		1072
…		…
785	or return;	1084	or return;
786		1085
787	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
789	or return;	1088	or return;
		1089
790	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1091	}
792		1092
		1093	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
795	return ($data, $av);	1097	($data, $av)
796	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
797		1105
798	#############################################################################	1106	#############################################################################
799	# command handling &c	1107	# command handling &c
800		1108
801	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1123	}
816		1124
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1126
819	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
820		1132
821	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
822	called.	1134	called.
823		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
824	=cut	1147	=cut
825		1148
826	sub register_extcmd {	1149	sub register_extcmd {
827	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
828		1151
829	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
830	}	1159	}
831		1160
832	cf::player->attach (	1161	cf::player->attach (
833	on_command => sub {	1162	on_command => sub {
834	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1172	cf::override;
844	},	1173	},
845	on_extcmd => sub {	1174	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
847		1176
848	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1178
850	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
856	} else {	1194	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1196	}
859		1197
860	cf::override;	1198	cf::override;
861	},	1199	},
862	);	1200	);
863		1201
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
899	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1207	next unless -r $path;
901	eval {	1208
902	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
903	1	1266	}
904	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
905	}	1272	};
906	}	1273	}
907		1274
908	#############################################################################	1275	#############################################################################
909		1276
		1277	=back
		1278
910	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
911		1280
912	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
913		1282
914	=cut	1283	=cut
…		…
919		1288
920	=head3 cf::player	1289	=head3 cf::player
921		1290
922	=over 4	1291	=over 4
923		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
924	=item cf::player::find $login	1307	=item cf::player::find $login
925		1308
926	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
927		1310
928	=cut	1311	=cut
929		1312
930	sub playerdir($) {	1313	sub playerdir($) {
931	cf::localdir	1314	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1316	}
937		1317
938	sub path($) {	1318	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1320
941	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
942	}	1322	}
943		1323
944	sub find_active($) {	1324	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
949		1329
950	sub exists($) {	1330	sub exists($) {
951	my ($login) = @_;	1331	my ($login) = @_;
952		1332
953	$cf::PLAYER{$login}	1333	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1334	or cf::sync_job { !aio_stat path $login }
955	}	1335	}
956		1336
957	sub find($) {	1337	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1338	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1339	my $login = $_[0];
960		1340
961	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
962		1342
963	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
965	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
967	}	1359	}
968	}	1360	}
969	}	1361	}
970		1362
…		…
980		1372
981	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
983		1375
984	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
985	Coro::cede;	1377	cf::cede_to_tick;
986	}	1378	}
987		1379
988	sub new($) {	1380	sub new($) {
989	my ($login) = @_;	1381	my ($login) = @_;
990		1382
…		…
996	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
997		1389
998	$self	1390	$self
999	}	1391	}
1000		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1001	=item $pl->quit_character	1403	=item $pl->quit_character
1002		1404
1003	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1005		1407
1006	=cut	1408	=cut
1007		1409
1008	sub quit_character {	1410	sub quit_character {
1009	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1010		1414
1011	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1417
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1024	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1025	}	1449	}
1026		1450
1027	=item cf::player::list_logins	1451	=item cf::player::list_logins
1028		1452
1029	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1031		1455
1032	=cut	1456	=cut
1033		1457
1034	sub list_logins {	1458	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1460	or return [];
1037		1461
1038	my @logins;	1462	my @logins;
1039		1463
1040	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1044		1473
1045	utf8::decode $login;	1474	utf8::decode $login;
1046	push @logins, $login;	1475	push @logins, $login;
1047	}	1476	}
1048		1477
…		…
1056		1485
1057	=cut	1486	=cut
1058		1487
1059	sub maps($) {	1488	sub maps($) {
1060	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1492
1062	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1063	or return;	1494	or return;
1064		1495
1065	my @paths;	1496	my @paths;
…		…
1067	for (@$files) {	1498	for (@$files) {
1068	utf8::decode $_;	1499	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1071		1502
1072	s/\.map$//;	1503	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1504	}
1075		1505
1076	\@paths	1506	\@paths
1077	}	1507	}
1078		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1080		1561
1081	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1082		1563
1083	=cut	1564	=cut
1084		1565
1085	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1087		1568
1088	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1570	}
1092		1571
1093	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1094		1612
1095	=back	1613	=back
1096
1097		1614
1098	=head3 cf::map	1615	=head3 cf::map
1099		1616
1100	=over 4	1617	=over 4
1101		1618
…		…
1105		1622
1106	use Fcntl;	1623	use Fcntl;
1107	use Coro::AIO;	1624	use Coro::AIO;
1108		1625
1109	use overload	1626	use overload
1110	'""' => \&as_string;	1627	'""' => \&as_string,
		1628	fallback => 1;
1111		1629
1112	our $MAX_RESET = 3600;	1630	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1631	our $DEFAULT_RESET = 3000;
1114		1632
1115	sub generate_random_map {	1633	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1634	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1635	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1636	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1648	)
1132	}	1649	}
1133		1650
		1651	=item cf::map->register ($regex, $prio)
		1652
		1653	Register a handler for the map path matching the given regex at the
		1654	givne priority (higher is better, built-in handlers have priority 0, the
		1655	default).
		1656
		1657	=cut
		1658
1134	sub register {	1659	sub register {
1135	my (undef, $regex) = @_;	1660	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1661	my $pkg = caller;
1137		1662
1138	no strict;	1663	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1664	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1665
1141	$EXT_MAP{$pkg} = qr<$regex>;	1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1667	}
1143		1668
1144	# also paths starting with '/'	1669	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1671
		1672	sub thawer_merge {
		1673	my ($self, $merge) = @_;
		1674
		1675	# we have to keep some variables in memory intact
		1676	local $self->{path};
		1677	local $self->{load_path};
		1678
		1679	$self->SUPER::thawer_merge ($merge);
		1680	}
1146		1681
1147	sub normalise {	1682	sub normalise {
1148	my ($path, $base) = @_;	1683	my ($path, $base) = @_;
		1684
		1685	$path = "$path"; # make sure its a string
		1686
		1687	$path =~ s/\.map$//;
1149		1688
1150	# map plan:	1689	# map plan:
1151	#	1690	#
1152	# /! non-realised random map exit (special hack!)	1691	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1692	# {... are special paths that are not being touched
…		…
1181		1720
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1721	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1722
1184	$path = normalise $path, $base;	1723	$path = normalise $path, $base;
1185		1724
1186	for my $pkg (keys %EXT_MAP) {	1725	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1726	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1727	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1728	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1191	return $self;	1730	return $self;
1192	}	1731	}
1193	}	1732	}
1194		1733
1195	Carp::carp "unable to resolve path '$path'.";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1735	()
1197	}	1736	}
1198		1737
1199	sub init {	1738	sub init {
1200	my ($self) = @_;	1739	my ($self) = @_;
…		…
1215		1754
1216	# the original (read-only) location	1755	# the original (read-only) location
1217	sub load_path {	1756	sub load_path {
1218	my ($self) = @_;	1757	my ($self) = @_;
1219		1758
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1221	}	1760	}
1222		1761
1223	# the temporary/swap location	1762	# the temporary/swap location
1224	sub save_path {	1763	sub save_path {
1225	my ($self) = @_;	1764	my ($self) = @_;
1226		1765
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1229	}	1768	}
1230		1769
1231	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1232	sub uniq_path {	1771	sub uniq_path {
1233	my ($self) = @_;	1772	my ($self) = @_;
1234		1773
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1237	}	1776	}
1238		1777
1239	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1240	# all maps in C++...	1779	# all maps in C++...
1241	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1243		1782
1244	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1246	}	1785	}
1247		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1248	sub unlink_save {	1795	sub unlink_save {
1249	my ($self) = @_;	1796	my ($self) = @_;
1250		1797
1251	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1800	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1801	}
1255		1802
1256	sub load_header_from($) {	1803	sub load_header_from($) {
1257	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1258		1805
1259	utf8::encode $path;	1806	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1261	or return;	1808	or return;
1262		1809
1263	$self->_load_header ($path)	1810	$self->_load_header ($f)
1264	or return;	1811	or return;
1265		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
		1815
1266	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1267		1817
1268	1	1818	1
1269	}	1819	}
1270		1820
1271	sub load_orig {	1821	sub load_header_orig {
1272	my ($self) = @_;	1822	my ($self) = @_;
1273		1823
1274	$self->load_header_from ($self->load_path)	1824	$self->load_header_from ($self->load_path)
1275	}	1825	}
1276		1826
1277	sub load_temp {	1827	sub load_header_temp {
1278	my ($self) = @_;	1828	my ($self) = @_;
1279		1829
1280	$self->load_header_from ($self->save_path)	1830	$self->load_header_from ($self->save_path)
		1831	}
		1832
		1833	sub prepare_temp {
		1834	my ($self) = @_;
		1835
		1836	$self->last_access ((delete $self->{last_access})
		1837	|| $cf::RUNTIME); #d#
		1838	# safety
		1839	$self->{instantiate_time} = $cf::RUNTIME
		1840	if $self->{instantiate_time} > $cf::RUNTIME;
		1841	}
		1842
		1843	sub prepare_orig {
		1844	my ($self) = @_;
		1845
		1846	$self->{load_original} = 1;
		1847	$self->{instantiate_time} = $cf::RUNTIME;
		1848	$self->last_access ($cf::RUNTIME);
		1849	$self->instantiate;
1281	}	1850	}
1282		1851
1283	sub load_header {	1852	sub load_header {
1284	my ($self) = @_;	1853	my ($self) = @_;
1285		1854
1286	if ($self->load_temp) {	1855	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1856	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1857	} else {
1293	$self->load_orig	1858	$self->load_header_orig
1294	or return;	1859	or return;
1295		1860	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1861	}
		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
1301		1868
1302	1	1869	1
1303	}	1870	}
1304		1871
1305	sub find;	1872	sub find;
1306	sub find {	1873	sub find {
1307	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1308		1875
1309	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1310		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1312		1880
1313	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1315	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1316	or return;	1886	or return;
1317		1887
1318	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1319		1889
1320	$map->load_header	1890	$map->load_header
1321	or return;	1891	or return;
1322		1892
1323	if ($map->should_reset) {	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1894	# doing this can freeze the server in a sync job, obviously
		1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1324	$map->reset;	1898	$map->reset;
1325	undef $guard;
1326	$map = find $path	1899	return find $path;
1327	or return;
1328	}	1900	}
1329		1901
1330	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1331	}	1903	}
1332	}	1904	}
		1905
		1906	sub pre_load { }
		1907	sub post_load { }
1333		1908
1334	sub load {	1909	sub load {
1335	my ($self) = @_;	1910	my ($self) = @_;
1336		1911
		1912	local $self->{deny_reset} = 1; # loading can take a long time
		1913
1337	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1339		1918
		1919	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		1921
1342	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1343		1923
1344	$self->alloc;	1924	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	1925
		1926	$self->pre_load;
		1927	cf::cede_to_tick;
		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1346	or return;	1932	or return;
1347		1933
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1935	if delete $self->{load_original};
1350		1936
1351	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1938	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1941	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1356	}	1945	}
1357	}	1946	}
1358		1947
1359	Coro::cede;	1948	$f->resolve_delayed_derefs;
1360		1949
		1950	cf::cede_to_tick;
1361	# now do the right thing for maps	1951	# now do the right thing for maps
1362	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1954	unless $self->difficulty;
1372	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1373	$self->activate;	1964	$self->activate;
1374	}	1965	}
1375		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
		1971	}
		1972
		1973	$self->post_load;
1377	}	1974	}
1378		1975
1379	sub customise_for {	1976	sub customise_for {
1380	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1381		1978
1382	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1980	if $self->per_player;
1384		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1385	$self	1985	$self
1386	}	1986	}
1387		1987
1388	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	1989	sub load_neighbours {
1390	my ($map) = @_;	1990	my ($map) = @_;
1391		1991
1392	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1393		1993
1394	for (0 .. 3) {	1994	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1396	or next;	1996	or next;
1397	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1398	or next;	1998	or next;
1399	$neigh->load;	1999	$neigh->load;
1400		2000
		2001	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2004	}
1404		2005
1405	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1407	or next;	2009	or next;
1408	$neigh->load;	2010	$neigh->load;
1409	}	2011	}
1410	}	2012	}
1411		2013
…		…
1416	}	2018	}
1417		2019
1418	sub do_load_sync {	2020	sub do_load_sync {
1419	my ($map) = @_;	2021	my ($map) = @_;
1420		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1421	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1422	}	2027	}
1423		2028
1424	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2030	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2031
1438	sub find_async {	2032	sub find_async {
1439	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1440		2034
1441	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1442		2036
1443	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2039	}
		2040
		2041	$MAP_PREFETCH{$path} |= $load;
		2042
		2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
		2046	while (%MAP_PREFETCH) {
		2047	while (my ($k, $v) = each %MAP_PREFETCH) {
		2048	if (my $map = find $k) {
		2049	$map->load if $v;
		2050	}
		2051
		2052	delete $MAP_PREFETCH{$k};
		2053	}
		2054	}
		2055	undef $MAP_PREFETCHER;
1445	}	2056	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2057	$MAP_PREFETCHER->prio (6);
1449		2058
1450	()	2059	()
1451	}	2060	}
1452		2061
1453	sub save {	2062	sub save {
1454	my ($self) = @_;	2063	my ($self) = @_;
1455		2064
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2066
1458	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1459		2068
1460	return unless $self->dirty;	2069	return unless $self->dirty;
1461		2070
…		…
1467	return if $self->{deny_save};	2076	return if $self->{deny_save};
1468		2077
1469	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1470		2079
1471	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1473	};	2083	};
1474		2084
1475	if ($uniq) {	2085	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1484	my ($self) = @_;	2094	my ($self) = @_;
1485		2095
1486	# save first because save cedes	2096	# save first because save cedes
1487	$self->save;	2097	$self->save;
1488		2098
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2100
1491	return if $self->players;	2101	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2103	return if $self->{deny_save};
1494		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2109	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2110	}
1498		2111
1499	sub reset_at {	2112	sub reset_at {
1500	my ($self) = @_;	2113	my ($self) = @_;
1501		2114
1502	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1505		2117
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2120
…		…
1513	my ($self) = @_;	2125	my ($self) = @_;
1514		2126
1515	$self->reset_at <= $cf::RUNTIME	2127	$self->reset_at <= $cf::RUNTIME
1516	}	2128	}
1517		2129
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2130	sub reset {
1533	my ($self) = @_;	2131	my ($self) = @_;
1534		2132
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2134
1537	return if $self->players;	2135	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2136
1540	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1541		2148
1542	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1543		2150
1544	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2153	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2154
1549	$self->unlink_save;	2155	$self->unlink_save;
1550	$self->destroy;	2156	$self->destroy;
1551	}	2157	}
1552		2158
1553	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1554		2160
1555	sub nuke {	2161	sub nuke {
1556	my ($self) = @_;	2162	my ($self) = @_;
1557		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
		2167	delete $cf::MAP{$self->path};
		2168
		2169	$self->unlink_save;
		2170
		2171	bless $self, "cf::map";
		2172	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2176
		2177	$cf::MAP{$self->path} = $self;
		2178	}
		2179
1561	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1562	}	2217	}
1563		2218
1564	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1565		2220
1566	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2222	instantiated unique items. May block.
1568		2223
1569	=cut	2224	=cut
1570		2225
1571	sub unique_maps() {	2226	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1573	or return;	2228	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2229	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2230	/\.map$/
1583	push @paths, $_;	2231	? normalise $_
		2232	: ()
		2233	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2234	]
1585
1586	\@paths
1587	}	2235	}
1588		2236
1589	package cf;	2237	package cf;
1590		2238
1591	=back	2239	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1610	}	2258	}
1611		2259
1612	sub inv_recursive {	2260	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1614	}	2293	}
1615		2294
1616	package cf;	2295	package cf;
1617		2296
1618	=back	2297	=back
…		…
1637		2316
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2318
1640	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1642	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1645	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1646	}	2344	}
1647		2345
1648	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1649		2347
1650	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2380	=cut
1683		2381
1684	sub link_map {	2382	sub link_map {
1685	unless ($LINK_MAP) {	2383	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2384	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2385	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2386	$LINK_MAP->load;
1689	}	2387	}
1690		2388
1691	$LINK_MAP	2389	$LINK_MAP
1692	}	2390	}
…		…
1697	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1698		2396
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2398
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1703		2401
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2403	}
1706		2404
1707	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1709		2409
1710	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1711		2411
1712	unless ($map) {	2412	unless ($map) {
1713	# restore original map position	2413	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1730		2430
1731	$map->load;	2431	$map->load;
1732	$map->load_diag;	2432	$map->load_neighbours;
1733		2433
1734	return unless $self->contr->active;	2434	return unless $self->contr->active;
1735	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1737	}	2439	}
1738		2440
1739	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2442
1743	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1747	};	2447	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2448
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1774		2452
1775	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2458
1778	$self->enter_link;	2459	$self->enter_link;
1779		2460
1780	(async {	2461	(async {
1781	my $map = cf::map::find $path;	2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
		2483	my $map = eval {
		2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
1783		2488	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2489	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
1788		2492
		2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
		2499	}
		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1790	})->prio (1);	2507	})->prio (1);
1791	}	2508	}
1792		2509
1793	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1794		2511
…		…
1796		2513
1797	sub parse_random_map_params {	2514	sub parse_random_map_params {
1798	my ($spec) = @_;	2515	my ($spec) = @_;
1799		2516
1800	my $rmp = { # defaults	2517	my $rmp = { # defaults
1801	xsize => 10,	2518	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2519	ysize => (cf::rndm 15, 40),
		2520	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2521	#layout => string,
1803	};	2522	};
1804		2523
1805	for (split /\n/, $spec) {	2524	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2525	my ($k, $v) = split /\s+/, $_, 2;
1807		2526
…		…
1811	$rmp	2530	$rmp
1812	}	2531	}
1813		2532
1814	sub prepare_random_map {	2533	sub prepare_random_map {
1815	my ($exit) = @_;	2534	my ($exit) = @_;
		2535
		2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2537
1817	# all this does is basically replace the /! path by	2538	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2539	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2540	# that depends on the exit object
1820		2541
1821	my $rmp = parse_random_map_params $exit->msg;	2542	my $rmp = parse_random_map_params $exit->msg;
1822		2543
1823	if ($exit->map) {	2544	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2545	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2546	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2547	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2548	$rmp->{origin_y} = $exit->y;
1828	}	2549	}
1829		2550
1830	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1831		2552
1832	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
		2555	my $meta = "$RANDOMDIR/$md5.meta";
1834		2556
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
		2559	undef $fh;
		2560	aio_rename "$meta~", $meta;
1837		2561
1838	$exit->slaying ("?random/$md5");	2562	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2563	$exit->msg (undef);
1840	}	2564	}
1841	}	2565	}
…		…
1843	sub cf::object::player::enter_exit {	2567	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2568	my ($self, $exit) = @_;
1845		2569
1846	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1847		2571
		2572	if ($exit->slaying eq "/!") {
		2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
		2576	cf::sync_job { prepare_random_map $exit };
		2577	}
		2578
		2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2580	my $hp = $exit->stats->hp;
		2581	my $sp = $exit->stats->sp;
		2582
1848	$self->enter_link;	2583	$self->enter_link;
1849		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1850	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1851	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2593	unless (eval {
1853	prepare_random_map $exit	2594	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2595
1859	1;	2596	1;
1860	}) {	2597	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2602
1866	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2604	$self->leave_link;
1868	}	2605	}
1869	})->prio (1);	2606	})->prio (1);
…		…
1882		2619
1883	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1885		2622
1886	utf8::encode $text;	2623	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2625	}
1889		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "identify",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "examine",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	);
		2650
		2651	sub cf::client::send_msg {
		2652	my ($self, $channel, $msg, $color, @extra) = @_;
		2653
		2654	$msg = $self->pl->expand_cfpod ($msg);
		2655
		2656	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2657
		2658	# check predefined channels, for the benefit of C
		2659	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2660
		2661	if (ref $channel) {
		2662	# send meta info to client, if not yet sent
		2663	unless (exists $self->{channel}{$channel->{id}}) {
		2664	$self->{channel}{$channel->{id}} = $channel;
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667	}
		2668
		2669	$channel = $channel->{id};
		2670	}
		2671
		2672	return unless @extra || length $msg;
		2673
		2674	if ($self->can_msg) {
		2675	# default colour, mask it out
		2676	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2677	if $color & cf::NDI_DEF;
		2678
		2679	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2680	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2681	} else {
		2682	if ($color >= 0) {
		2683	# replace some tags by gcfclient-compatible ones
		2684	for ($msg) {
		2685	1 while
		2686	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2687	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2688	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2689	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2690	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2691	}
		2692
		2693	$color &= cf::NDI_COLOR_MASK;
		2694
		2695	utf8::encode $msg;
		2696
		2697	if (0 && $msg =~ /\[/) {
		2698	# COMMAND/INFO
		2699	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2700	} else {
		2701	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2702	$self->send_packet ("drawinfo $color $msg")
		2703	}
		2704	}
		2705	}
		2706	}
		2707
		2708	=item $client->ext_msg ($type, @msg)
		2709
		2710	Sends an ext event to the client.
		2711
		2712	=cut
		2713
		2714	sub cf::client::ext_msg($$@) {
		2715	my ($self, $type, @msg) = @_;
		2716
		2717	if ($self->extcmd == 2) {
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2719	} elsif ($self->extcmd == 1) { # TODO: remove
		2720	push @msg, msgtype => "event_$type";
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2722	}
		2723	}
		2724
		2725	=item $client->ext_reply ($msgid, @msg)
		2726
		2727	Sends an ext reply to the client.
		2728
		2729	=cut
		2730
		2731	sub cf::client::ext_reply($$@) {
		2732	my ($self, $id, @msg) = @_;
		2733
		2734	if ($self->extcmd == 2) {
		2735	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2736	} elsif ($self->extcmd == 1) {
		2737	#TODO: version 1, remove
		2738	unshift @msg, msgtype => "reply", msgid => $id;
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
1890		2742
1891	=item $success = $client->query ($flags, "text", \&cb)	2743	=item $success = $client->query ($flags, "text", \&cb)
1892		2744
1893	Queues a query to the client, calling the given callback with	2745	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2746	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2747	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2748
1897	Queries can fail, so check the return code. Or don't, as queries will become	2749	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2750	become reliable at some point in the future.
1899		2751
1900	=cut	2752	=cut
1901		2753
1902	sub cf::client::query {	2754	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2755	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2763	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2764	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2765
1914	$self->send_packet ($self->{query_queue}[0][0])	2766	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2767	if @{ $self->{query_queue} } == 1;
		2768
		2769	1
1916	}	2770	}
1917		2771
1918	cf::client->attach (	2772	cf::client->attach (
		2773	on_connect => sub {
		2774	my ($ns) = @_;
		2775
		2776	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2777	},
1919	on_reply => sub {	2778	on_reply => sub {
1920	my ($ns, $msg) = @_;	2779	my ($ns, $msg) = @_;
1921		2780
1922	# this weird shuffling is so that direct followup queries	2781	# this weird shuffling is so that direct followup queries
1923	# get handled first	2782	# get handled first
1924	my $queue = delete $ns->{query_queue}	2783	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2784	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2785
1927	(shift @$queue)->[1]->($msg);	2786	(shift @$queue)->[1]->($msg);
		2787	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2788
1929	push @{ $ns->{query_queue} }, @$queue;	2789	push @{ $ns->{query_queue} }, @$queue;
1930		2790
1931	if (@{ $ns->{query_queue} } == @$queue) {	2791	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2792	if (@$queue) {
…		…
1934	} else {	2794	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2795	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2796	}
1937	}	2797	}
1938	},	2798	},
		2799	on_exticmd => sub {
		2800	my ($ns, $buf) = @_;
		2801
		2802	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2803
		2804	if (ref $msg) {
		2805	my ($type, $reply, @payload) =
		2806	"ARRAY" eq ref $msg
		2807	? @$msg
		2808	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2809
		2810	my @reply;
		2811
		2812	if (my $cb = $EXTICMD{$type}) {
		2813	@reply = $cb->($ns, @payload);
		2814	}
		2815
		2816	$ns->ext_reply ($reply, @reply)
		2817	if $reply;
		2818
		2819	} else {
		2820	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2821	}
		2822
		2823	cf::override;
		2824	},
1939	);	2825	);
1940		2826
1941	=item $client->async (\&cb)	2827	=item $client->async (\&cb)
1942		2828
1943	Create a new coroutine, running the specified callback. The coroutine will	2829	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2870	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2871	our $safe_hole = new Safe::Hole;
1986		2872
1987	$SIG{FPE} = 'IGNORE';	2873	$SIG{FPE} = 'IGNORE';
1988		2874
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2875	$safe->permit_only (Opcode::opset qw(
		2876	:base_core :base_mem :base_orig :base_math
		2877	grepstart grepwhile mapstart mapwhile
		2878	sort time
		2879	));
1990		2880
1991	# here we export the classes and methods available to script code	2881	# here we export the classes and methods available to script code
1992		2882
1993	=pod	2883	=pod
1994		2884
1995	The following fucntions and emthods are available within a safe environment:	2885	The following functions and methods are available within a safe environment:
1996		2886
1997	cf::object contr pay_amount pay_player map	2887	cf::object
		2888	contr pay_amount pay_player map x y force_find force_add
		2889	insert remove name archname title slaying race decrease_ob_nr
		2890
1998	cf::object::player player	2891	cf::object::player
1999	cf::player peaceful	2892	player
2000	cf::map trigger	2893
		2894	cf::player
		2895	peaceful
		2896
		2897	cf::map
		2898	trigger
2001		2899
2002	=cut	2900	=cut
2003		2901
2004	for (	2902	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2903	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2904	insert remove inv name archname title slaying race
		2905	decrease_ob_nr)],
2006	["cf::object::player" => qw(player)],	2906	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2907	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2908	["cf::map" => qw(trigger)],
2009	) {	2909	) {
2010	no strict 'refs';	2910	no strict 'refs';
…		…
2081	=back	2981	=back
2082		2982
2083	=cut	2983	=cut
2084		2984
2085	#############################################################################	2985	#############################################################################
		2986	# the server's init and main functions
2086		2987
2087	=head2 EXTENSION DATABASE SUPPORT	2988	sub load_facedata($) {
		2989	my ($path) = @_;
2088		2990
2089	Crossfire maintains a very simple database for extension use. It can	2991	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	2992	# for this (global event?)
2091	excludes objects.	2993	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		2994
2093	The parameter C<$family> should best start with the name of the extension	2995	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		2996
2096	=over 4	2997	warn "loading facedata from $path\n";
2097		2998
2098	=item $hashref = cf::db_get $family	2999	my $facedata;
		3000	0 < aio_load $path, $facedata
		3001	or die "$path: $!";
2099		3002
2100	Return a hashref for use by the extension C<$family>, which can be	3003	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3004
2104	=item $value = cf::db_get $family => $key	3005	$facedata->{version} == 2
		3006	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3007
2106	Returns a single value from the database	3008	# patch in the exptable
2107		3009	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3010	type => FT_RSRC,
2109		3011	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3012	};
		3013	cf::cede_to_tick;
2159		3014
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3015	{
		3016	my $faces = $facedata->{faceinfo};
2164		3017
2165	sub db_get($;$) {	3018	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3019	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	3020	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	3021	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	3022	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3023	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		3024
2171	sub db_put($$;$) {	3025	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3026	}
2185	);
2186	}
2187		3027
2188	#############################################################################	3028	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3029	next unless $info->{smooth};
		3030	my $idx = cf::face::find $face
		3031	or next;
		3032	if (my $smooth = cf::face::find $info->{smooth}) {
		3033	cf::face::set_smooth $idx, $smooth;
		3034	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3035	} else {
		3036	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3037	}
2190		3038
2191	sub cfg_load {	3039	cf::cede_to_tick;
		3040	}
		3041	}
		3042
		3043	{
		3044	my $anims = $facedata->{animinfo};
		3045
		3046	while (my ($anim, $info) = each %$anims) {
		3047	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3048	cf::cede_to_tick;
		3049	}
		3050
		3051	cf::anim::invalidate_all; # d'oh
		3052	}
		3053
		3054	{
		3055	# TODO: for gcfclient pleasure, we should give resources
		3056	# that gcfclient doesn't grok a >10000 face index.
		3057	my $res = $facedata->{resource};
		3058
		3059	my $soundconf = delete $res->{"res/sound.conf"};
		3060
		3061	while (my ($name, $info) = each %$res) {
		3062	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3063	my $data;
		3064
		3065	if ($info->{type} & 1) {
		3066	# prepend meta info
		3067
		3068	my $meta = $enc->encode ({
		3069	name => $name,
		3070	%{ $info->{meta} || {} },
		3071	});
		3072
		3073	$data = pack "(w/a*)*", $meta, $info->{data};
		3074	} else {
		3075	$data = $info->{data};
		3076	}
		3077
		3078	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3079	cf::face::set_type $idx, $info->{type};
		3080
		3081	cf::cede_to_tick;
		3082	}
		3083
		3084	if ($soundconf) {
		3085	$soundconf = $enc->decode (delete $soundconf->{data});
		3086
		3087	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3088	my $sound = $soundconf->{compat}[$_]
		3089	or next;
		3090
		3091	my $face = cf::face::find "sound/$sound->[1]";
		3092	cf::sound::set $sound->[0] => $face;
		3093	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3094	}
		3095
		3096	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3097	my $face = cf::face::find "sound/$v";
		3098	cf::sound::set $k => $face;
		3099	}
		3100	}
		3101	}
		3102
		3103	1
		3104	}
		3105
		3106	register_exticmd fx_want => sub {
		3107	my ($ns, $want) = @_;
		3108
		3109	while (my ($k, $v) = each %$want) {
		3110	$ns->fx_want ($k, $v);
		3111	}
		3112	};
		3113
		3114	sub reload_regions {
		3115	# HACK to clear player env face cache, we need some signal framework
		3116	# for this (global event?)
		3117	%ext::player_env::MUSIC_FACE_CACHE = ();
		3118
		3119	load_resource_file "$MAPDIR/regions"
		3120	or die "unable to load regions file\n";
		3121
		3122	for (cf::region::list) {
		3123	$_->{match} = qr/$_->{match}/
		3124	if exists $_->{match};
		3125	}
		3126	}
		3127
		3128	sub reload_facedata {
		3129	load_facedata "$DATADIR/facedata"
		3130	or die "unable to load facedata\n";
		3131	}
		3132
		3133	sub reload_archetypes {
		3134	load_resource_file "$DATADIR/archetypes"
		3135	or die "unable to load archetypes\n";
		3136	#d# NEED to laod twice to resolve forward references
		3137	# this really needs to be done in an extra post-pass
		3138	# (which needs to be synchronous, so solve it differently)
		3139	load_resource_file "$DATADIR/archetypes"
		3140	or die "unable to load archetypes\n";
		3141	}
		3142
		3143	sub reload_treasures {
		3144	load_resource_file "$DATADIR/treasures"
		3145	or die "unable to load treasurelists\n";
		3146	}
		3147
		3148	sub reload_resources {
		3149	warn "reloading resource files...\n";
		3150
		3151	reload_regions;
		3152	reload_facedata;
		3153	#reload_archetypes;#d#
		3154	reload_archetypes;
		3155	reload_treasures;
		3156
		3157	warn "finished reloading resource files\n";
		3158	}
		3159
		3160	sub init {
		3161	reload_resources;
		3162	}
		3163
		3164	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3165	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3166	or return;
2194		3167
2195	local $/;	3168	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3169	*CFG = YAML::Syck::Load <$fh>;
2197		3170
…		…
2211		3184
2212	sub main {	3185	sub main {
2213	# we must not ever block the main coroutine	3186	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3187	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3188	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3189	(async {
		3190	$Coro::current->{desc} = "IDLE BUG HANDLER";
2216	async { Event::one_event };	3191	Event::one_event;
		3192	})->prio (Coro::PRIO_MAX);
2217	};	3193	};
2218		3194
2219	cfg_load;	3195	reload_config;
2220	db_load;	3196	db_init;
2221	load_extensions;	3197	load_extensions;
		3198
		3199	$TICK_WATCHER->start;
2222	Event::loop;	3200	Event::loop;
2223	}	3201	}
2224		3202
2225	#############################################################################	3203	#############################################################################
2226	# initialisation and cleanup	3204	# initialisation and cleanup
2227		3205
2228	# install some emergency cleanup handlers	3206	# install some emergency cleanup handlers
2229	BEGIN {	3207	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3208	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3209	Event->signal (
		3210	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3211	data => WF_AUTOCANCEL,
2233	signal => $signal,	3212	signal => $signal,
		3213	prio => 0,
2234	cb => sub {	3214	cb => sub {
2235	cf::cleanup "SIG$signal";	3215	cf::cleanup "SIG$signal";
2236	},	3216	},
2237	);	3217	);
2238	}	3218	}
		3219	}
		3220
		3221	sub write_runtime {
		3222	my $runtime = "$LOCALDIR/runtime";
		3223
		3224	# first touch the runtime file to show we are still running:
		3225	# the fsync below can take a very very long time.
		3226
		3227	IO::AIO::aio_utime $runtime, undef, undef;
		3228
		3229	my $guard = cf::lock_acquire "write_runtime";
		3230
		3231	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3232	or return;
		3233
		3234	my $value = $cf::RUNTIME + 90 + 10;
		3235	# 10 is the runtime save interval, for a monotonic clock
		3236	# 60 allows for the watchdog to kill the server.
		3237
		3238	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3239	and return;
		3240
		3241	# always fsync - this file is important
		3242	aio_fsync $fh
		3243	and return;
		3244
		3245	# touch it again to show we are up-to-date
		3246	aio_utime $fh, undef, undef;
		3247
		3248	close $fh
		3249	or return;
		3250
		3251	aio_rename "$runtime~", $runtime
		3252	and return;
		3253
		3254	warn "runtime file written.\n";
		3255
		3256	1
2239	}	3257	}
2240		3258
2241	sub emergency_save() {	3259	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3260	my $freeze_guard = cf::freeze_mainloop;
2243		3261
…		…
2260	my $map = $cf::MAP{$path} or next;	3278	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3279	$map->valid or next;
2262	$map->save;	3280	$map->save;
2263	}	3281	}
2264	warn "end emergency map save\n";	3282	warn "end emergency map save\n";
		3283
		3284	warn "begin emergency database checkpoint\n";
		3285	BDB::db_env_txn_checkpoint $DB_ENV;
		3286	warn "end emergency database checkpoint\n";
2265	};	3287	};
2266		3288
2267	warn "leave emergency perl save\n";	3289	warn "leave emergency perl save\n";
2268	}	3290	}
2269		3291
		3292	sub post_cleanup {
		3293	my ($make_core) = @_;
		3294
		3295	warn Carp::longmess "post_cleanup backtrace"
		3296	if $make_core;
		3297	}
		3298
2270	sub reload() {	3299	sub do_reload_perl() {
2271	# can/must only be called in main	3300	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3301	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3302	warn "can only reload from main coroutine";
2274	return;	3303	return;
2275	}	3304	}
2276		3305
2277	warn "reloading...";	3306	warn "reloading...";
2278		3307
2279	warn "freezing server";	3308	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3309
		3310	cf::sync_job {
		3311	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3312	cf::emergency_save;
		3313	cf::write_runtime; # external watchdog should not bark
2282		3314
2283	warn "sync database to disk";	3315	warn "syncing database to disk";
2284	cf::db_sync;	3316	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3317
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3318	# if anything goes wrong in here, we should simply crash as we already saved
2289		3319
2290	warn "cancel all watchers";	3320	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3321	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3322	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3323	}
2294		3324
		3325	warn "flushing outstanding aio requests";
		3326	for (;;) {
		3327	BDB::flush;
		3328	IO::AIO::flush;
		3329	Coro::cede;
		3330	last unless IO::AIO::nreqs || BDB::nreqs;
		3331	warn "iterate...";
		3332	}
		3333
		3334	++$RELOAD;
		3335
2295	warn "cancel all extension coros";	3336	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3337	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3338	%EXT_CORO = ();
2298		3339
2299	warn "remove commands";	3340	warn "removing commands";
2300	%COMMAND = ();	3341	%COMMAND = ();
2301		3342
2302	warn "remove ext commands";	3343	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3344	%EXTCMD = ();
		3345	%EXTICMD = ();
2304		3346
2305	warn "unload/nuke all extensions";	3347	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3348	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3349	warn "... unloading $pkg";
2308		3350
2309	if (my $cb = $pkg->can ("unload")) {	3351	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3352	eval {
…		…
2315		3357
2316	warn "... nuking $pkg";	3358	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3359	Symbol::delete_package $pkg;
2318	}	3360	}
2319		3361
2320	warn "unload all perl modules loaded from $LIBDIR";	3362	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3363	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3364	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3365
2324	warn "removing <$k>";	3366	warn "... unloading $k";
2325	delete $INC{$k};	3367	delete $INC{$k};
2326		3368
2327	$k =~ s/\.pm$//;	3369	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3370	$k =~ s/\//::/g;
2329		3371
…		…
2332	}	3374	}
2333		3375
2334	Symbol::delete_package $k;	3376	Symbol::delete_package $k;
2335	}	3377	}
2336		3378
2337	warn "get rid of safe::, as good as possible";	3379	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3380	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3381	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3382
2341	warn "unload cf.pm \"a bit\"";	3383	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3384	delete $INC{"cf.pm"};
		3385	delete $INC{"cf/pod.pm"};
2343		3386
2344	# don't, removes xs symbols, too,	3387	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3388	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3389	#Symbol::delete_package __PACKAGE__;
2347		3390
		3391	warn "unload completed, starting to reload now";
		3392
2348	warn "reloading cf.pm";	3393	warn "reloading cf.pm";
2349	require cf;	3394	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3395	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3396
2352	warn "load config and database again";	3397	warn "loading config and database again";
2353	cf::cfg_load;	3398	cf::reload_config;
2354	cf::db_load;
2355		3399
2356	warn "load extensions";	3400	warn "loading extensions";
2357	cf::load_extensions;	3401	cf::load_extensions;
2358		3402
2359	warn "reattach attachments to objects/players";	3403	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3404	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3405	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3406	reattach $_ for values %MAP;
2363	};	3407	warn "reattaching attachments to players";
		3408	reattach $_ for values %PLAYER;
2364		3409
2365	if ($@) {	3410	warn "leaving sync_job";
		3411
		3412	1
		3413	} or do {
2366	warn $@;	3414	warn $@;
2367	warn "error while reloading, exiting.";	3415	warn "error while reloading, exiting.";
2368	exit 1;	3416	exit 1;
2369	}	3417	};
2370		3418
2371	warn "reloaded";	3419	warn "reloaded";
2372	};	3420	};
2373		3421
		3422	our $RELOAD_WATCHER; # used only during reload
		3423
		3424	sub reload_perl() {
		3425	# doing reload synchronously and two reloads happen back-to-back,
		3426	# coro crashes during coro_state_free->destroy here.
		3427
		3428	$RELOAD_WATCHER ||= Event->timer (
		3429	reentrant => 0,
		3430	after => 0,
		3431	data => WF_AUTOCANCEL,
		3432	cb => sub {
		3433	do_reload_perl;
		3434	undef $RELOAD_WATCHER;
		3435	},
		3436	);
		3437	}
		3438
2374	register_command "reload" => sub {	3439	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3440	my ($who, $arg) = @_;
2376		3441
2377	if ($who->flag (FLAG_WIZ)) {	3442	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3443	$who->message ("reloading server.");
		3444	async {
		3445	$Coro::current->{desc} = "perl_reload";
		3446	reload_perl;
		3447	};
2381	}	3448	}
2382	};	3449	};
2383		3450
2384	unshift @INC, $LIBDIR;	3451	unshift @INC, $LIBDIR;
		3452
		3453	my $bug_warning = 0;
		3454
		3455	our @WAIT_FOR_TICK;
		3456	our @WAIT_FOR_TICK_BEGIN;
		3457
		3458	sub wait_for_tick {
		3459	return unless $TICK_WATCHER->is_active;
		3460	return if $Coro::current == $Coro::main;
		3461
		3462	my $signal = new Coro::Signal;
		3463	push @WAIT_FOR_TICK, $signal;
		3464	$signal->wait;
		3465	}
		3466
		3467	sub wait_for_tick_begin {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK_BEGIN, $signal;
		3473	$signal->wait;
		3474	}
2385		3475
2386	$TICK_WATCHER = Event->timer (	3476	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3477	reentrant => 0,
		3478	parked => 1,
2388	prio => 0,	3479	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3480	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3481	data => WF_AUTOCANCEL,
2391	cb => sub {	3482	cb => sub {
		3483	if ($Coro::current != $Coro::main) {
		3484	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3485	unless ++$bug_warning > 10;
		3486	return;
		3487	}
		3488
2392	$NOW = Event::time;	3489	$NOW = $tick_start = Event::time;
2393		3490
2394	cf::server_tick; # one server iteration	3491	cf::server_tick; # one server iteration
		3492
2395	$RUNTIME += $TICK;	3493	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3494	$NEXT_TICK += $TICK;
2397		3495
2398	$WAIT_FOR_TICK->broadcast;	3496	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3497	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3498	Coro::async_pool {
		3499	$Coro::current->{desc} = "runtime saver";
		3500	write_runtime
		3501	or warn "ERROR: unable to write runtime file: $!";
		3502	};
		3503	}
		3504
		3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
2400		3513
2401	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3516
2404	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
2406	},	3524	},
2407	);	3525	);
2408		3526
		3527	{
		3528	BDB::min_parallel 8;
		3529	BDB::max_poll_time $TICK * 0.1;
		3530	$BDB_POLL_WATCHER = Event->io (
		3531	reentrant => 0,
		3532	fd => BDB::poll_fileno,
		3533	poll => 'r',
		3534	prio => 0,
		3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3557	| BDB::LOG_AUTOREMOVE, 1);
		3558	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3559	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3560
		3561	cf::sync_job {
		3562	eval {
		3563	BDB::db_env_open
		3564	$DB_ENV,
		3565	$BDBDIR,
		3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3568	0666;
		3569
		3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_DEADLOCK_WATCHER = Event->timer (
		3578	after => 3,
		3579	interval => 1,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3588	after => 11,
		3589	interval => 60,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3595	},
		3596	);
		3597	$BDB_TRICKLE_WATCHER = Event->timer (
		3598	after => 5,
		3599	interval => 10,
		3600	hard => 1,
		3601	prio => 0,
		3602	data => WF_AUTOCANCEL,
		3603	cb => sub {
		3604	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3605	},
		3606	);
		3607	}
		3608
		3609	{
		3610	IO::AIO::min_parallel 8;
		3611
		3612	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3613	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3614	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3615	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3616	data => WF_AUTOCANCEL,
2421	after => 0,	3617	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3618	poll => 'r',
2423	cb => sub {	3619	prio => 6,
2424	(Coro::unblock_sub {	3620	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3621	);
2426	or warn "ERROR: unable to write runtime file: $!";	3622	}
		3623
		3624	my $_log_backtrace;
		3625
		3626	sub _log_backtrace {
		3627	my ($msg, @addr) = @_;
		3628
		3629	$msg =~ s/\n//;
		3630
		3631	# limit the # of concurrent backtraces
		3632	if ($_log_backtrace < 2) {
		3633	++$_log_backtrace;
		3634	async {
		3635	$Coro::current->{desc} = "abt $msg";
		3636
		3637	my @bt = fork_call {
		3638	@addr = map { sprintf "%x", $_ } @addr;
		3639	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3640	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3641	or die "addr2line: $!";
		3642
		3643	my @funcs;
		3644	my @res = <$fh>;
		3645	chomp for @res;
		3646	while (@res) {
		3647	my ($func, $line) = splice @res, 0, 2, ();
		3648	push @funcs, "[$func] $line";
		3649	}
		3650
		3651	@funcs
		3652	};
		3653
		3654	LOG llevInfo, "[ABT] $msg\n";
		3655	LOG llevInfo, "[ABT] $_\n" for @bt;
		3656	--$_log_backtrace;
2427	})->();	3657	};
		3658	} else {
		3659	LOG llevInfo, "[ABT] $msg\n";
		3660	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3661	}
2429	);	3662	}
		3663
		3664	# load additional modules
		3665	use cf::pod;
2430		3666
2431	END { cf::emergency_save }	3667	END { cf::emergency_save }
2432		3668
2433	1	3669	1
2434		3670

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