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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.182 by root, Fri Jan 19 15:38:01 2007 UTC vs.
Revision 1.393 by root, Fri Oct 26 04:47:00 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.4 ();	15	use Coro 4.1 ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		492
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
352	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
353		497
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		499
358	aio_fsync $fh	500	sub fork_call(&@) {
359	and return;	501	my ($cb, @args) = @_;
360		502
361	close $fh	503	# we seemingly have to make a local copy of the whole thing,
362	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
363		506
364	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
365	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
366		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
367	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	651	}
369		652
370	=back	653	=back
371		654
372	=cut	655	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
381		664
382	In the following description, CLASS can be any of C<global>, C<object>	665	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	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	667	Crossfire TRT).
385		668
386	=over 4	669	=over 4
387		670
388	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
389		672
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
553		836
554	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		841
559	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	843	my $pkg = shift @arg;
561		844
562	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
592	}	875	}
593		876
594	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
595	} else {	878	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	880	}
598		881
599	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
600	}	883	}
601		884
…		…
603	if (ref $_[0]) {	886	if (ref $_[0]) {
604	_object_attach @_;	887	_object_attach @_;
605	} else {	888	} else {
606	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
607	}	890	}
		891	_recalc_want;
608	};	892	};
609		893
610	# all those should be optimised	894	# all those should be optimised
611	sub cf::attachable::detach {	895	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
616	reattach ($obj);	900	reattach ($obj);
617	} else {	901	} else {
618	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
619	}	903	}
		904	_recalc_want;
620	};	905	};
621		906
622	sub cf::attachable::attached {	907	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
624		909
…		…
639	";	924	";
640	die if $@;	925	die if $@;
641	}	926	}
642		927
643	our $override;	928	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		930
646	sub override {	931	sub override {
647	$override = 1;	932	$override = 1;
648	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
649	}	934	}
650		935
651	sub do_invoke {	936	sub do_invoke {
652	my $event = shift;	937	my $event = shift;
653	my $callbacks = shift;	938	my $callbacks = shift;
654		939
655	@invoke_results = ();	940	@INVOKE_RESULTS = ();
656		941
657	local $override;	942	local $override;
658		943
659	for (@$callbacks) {	944	for (@$callbacks) {
660	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
677		962
678	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
679		964
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		968
684	=back	969	=back
685		970
686	=cut	971	=cut
687		972
688	#############################################################################	973	#############################################################################
689	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
690		1017
691	sub reattach {	1018	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1020	my ($obj) = @_;
694		1021
…		…
741	sub object_freezer_save {	1068	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
743		1070
744	sync_job {	1071	sync_job {
745	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
748		1076
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1081	close $fh;
754		1082
755	if (@$objs) {	1083	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1089	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
763	}	1091	}
764	} else {	1092	} else {
765	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
771	}	1099	}
772	} else {	1100	} else {
773	aio_unlink $filename;	1101	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
775	}	1103	}
776	}	1104	};
777	}	1105	}
778		1106
779	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
781		1109
…		…
793	or return;	1121	or return;
794		1122
795	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
797	or return;	1125	or return;
		1126
798	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
799	}	1129	}
800		1130
		1131	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
803	return ($data, $av);	1135	($data, $av)
804	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
805		1143
806	#############################################################################	1144	#############################################################################
807	# command handling &c	1145	# command handling &c
808		1146
809	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1161	}
824		1162
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1164
827	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
828		1170
829	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
830	called.	1172	called.
831		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
832	=cut	1185	=cut
833		1186
834	sub register_extcmd {	1187	sub register_extcmd {
835	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
836		1189
837	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
838	}	1197	}
839		1198
840	cf::player->attach (	1199	cf::player->attach (
841	on_command => sub {	1200	on_command => sub {
842	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1210	cf::override;
852	},	1211	},
853	on_extcmd => sub {	1212	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
855		1214
856	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1216
858	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
864	} else {	1232	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1234	}
867		1235
868	cf::override;	1236	cf::override;
869	},	1237	},
870	);	1238	);
871		1239
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
907	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1245	next unless -r $path;
909	eval {	1246
910	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
911	1	1304	}
912	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
913	}	1310	};
914	}	1311	}
915		1312
916	#############################################################################	1313	#############################################################################
917		1314
		1315	=back
		1316
918	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
919		1318
920	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
921		1320
922	=cut	1321	=cut
…		…
927		1326
928	=head3 cf::player	1327	=head3 cf::player
929		1328
930	=over 4	1329	=over 4
931		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
932	=item cf::player::find $login	1345	=item cf::player::find $login
933		1346
934	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
935		1348
936	=cut	1349	=cut
937		1350
938	sub playerdir($) {	1351	sub playerdir($) {
939	cf::localdir	1352	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1354	}
945		1355
946	sub path($) {	1356	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1358
949	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
950	}	1360	}
951		1361
952	sub find_active($) {	1362	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1377	my $login = $_[0];
968		1378
969	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
970		1380
971	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
973	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
975	}	1397	}
976	}	1398	}
977	}	1399	}
978		1400
…		…
988		1410
989	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
991		1413
992	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
993	Coro::cede;	1415	cf::cede_to_tick;
994	}	1416	}
995		1417
996	sub new($) {	1418	sub new($) {
997	my ($login) = @_;	1419	my ($login) = @_;
998		1420
…		…
1004	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1005		1427
1006	$self	1428	$self
1007	}	1429	}
1008		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1009	=item $pl->quit_character	1441	=item $pl->quit_character
1010		1442
1011	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1013		1445
1014	=cut	1446	=cut
1015		1447
1016	sub quit_character {	1448	sub quit_character {
1017	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1018		1452
1019	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1455
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1032	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1033	}	1487	}
1034		1488
1035	=item cf::player::list_logins	1489	=item cf::player::list_logins
1036		1490
1037	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1039		1493
1040	=cut	1494	=cut
1041		1495
1042	sub list_logins {	1496	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1498	or return [];
1045		1499
1046	my @logins;	1500	my @logins;
1047		1501
1048	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1052		1511
1053	utf8::decode $login;	1512	utf8::decode $login;
1054	push @logins, $login;	1513	push @logins, $login;
1055	}	1514	}
1056		1515
…		…
1064		1523
1065	=cut	1524	=cut
1066		1525
1067	sub maps($) {	1526	sub maps($) {
1068	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1530
1070	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1071	or return;	1532	or return;
1072		1533
1073	my @paths;	1534	my @paths;
…		…
1075	for (@$files) {	1536	for (@$files) {
1076	utf8::decode $_;	1537	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1079		1540
1080	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1542	}
1083		1543
1084	\@paths	1544	\@paths
1085	}	1545	}
1086		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1088		1641
1089	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1090		1643
1091	=cut	1644	=cut
1092		1645
1093	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1095		1648
1096	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1650	}
1100		1651
1101	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1102		1692
1103	=back	1693	=back
1104
1105		1694
1106	=head3 cf::map	1695	=head3 cf::map
1107		1696
1108	=over 4	1697	=over 4
1109		1698
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1727	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1728	)
1140	}	1729	}
1141		1730
		1731	=item cf::map->register ($regex, $prio)
		1732
		1733	Register a handler for the map path matching the given regex at the
		1734	givne priority (higher is better, built-in handlers have priority 0, the
		1735	default).
		1736
		1737	=cut
		1738
1142	sub register {	1739	sub register {
1143	my (undef, $regex) = @_;	1740	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1741	my $pkg = caller;
1145		1742
1146	no strict;	1743	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1744	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1745
1149	$EXT_MAP{$pkg} = qr<$regex>;	1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1747	}
1151		1748
1152	# also paths starting with '/'	1749	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1751
1155	sub thawer_merge {	1752	sub thawer_merge {
1156	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1157		1754
1158	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1159	local $self->{path};	1756	local $self->{path};
1160	local $self->{load_path};	1757	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1758
1164	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1165	}	1760	}
1166		1761
1167	sub normalise {	1762	sub normalise {
1168	my ($path, $base) = @_;	1763	my ($path, $base) = @_;
		1764
		1765	$path = "$path"; # make sure its a string
		1766
		1767	$path =~ s/\.map$//;
1169		1768
1170	# map plan:	1769	# map plan:
1171	#	1770	#
1172	# /! non-realised random map exit (special hack!)	1771	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1772	# {... are special paths that are not being touched
…		…
1201		1800
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1801	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1802
1204	$path = normalise $path, $base;	1803	$path = normalise $path, $base;
1205		1804
1206	for my $pkg (keys %EXT_MAP) {	1805	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1806	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1807	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1808	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1211	return $self;	1810	return $self;
1212	}	1811	}
1213	}	1812	}
1214		1813
1215	Carp::carp "unable to resolve path '$path'.";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1815	()
1217	}	1816	}
1218		1817
1219	sub init {	1818	sub init {
1220	my ($self) = @_;	1819	my ($self) = @_;
…		…
1235		1834
1236	# the original (read-only) location	1835	# the original (read-only) location
1237	sub load_path {	1836	sub load_path {
1238	my ($self) = @_;	1837	my ($self) = @_;
1239		1838
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1839	"$MAPDIR/$self->{path}.map"
1241	}	1840	}
1242		1841
1243	# the temporary/swap location	1842	# the temporary/swap location
1244	sub save_path {	1843	sub save_path {
1245	my ($self) = @_;	1844	my ($self) = @_;
1246		1845
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1847	"$TMPDIR/$path.map"
1249	}	1848	}
1250		1849
1251	# the unique path, undef == no special unique path	1850	# the unique path, undef == no special unique path
1252	sub uniq_path {	1851	sub uniq_path {
1253	my ($self) = @_;	1852	my ($self) = @_;
1254		1853
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1855	"$UNIQUEDIR/$path"
1257	}	1856	}
1258		1857
1259	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1260	# all maps in C++...	1859	# all maps in C++...
1261	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1263		1862
1264	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1266	}	1865	}
1267		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1268	sub unlink_save {	1875	sub unlink_save {
1269	my ($self) = @_;	1876	my ($self) = @_;
1270		1877
1271	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1882
1276	sub load_header_from($) {	1883	sub load_header_from($) {
1277	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1278		1885
1279	utf8::encode $path;	1886	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1281	or return;	1888	or return;
1282		1889
1283	$self->_load_header ($path)	1890	$self->_load_header ($f)
1284	or return;	1891	or return;
1285		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
		1895
1286	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1287		1897
1288	1	1898	1
1289	}	1899	}
1290		1900
1291	sub load_orig {	1901	sub load_header_orig {
1292	my ($self) = @_;	1902	my ($self) = @_;
1293		1903
1294	$self->load_header_from ($self->load_path)	1904	$self->load_header_from ($self->load_path)
1295	}	1905	}
1296		1906
1297	sub load_temp {	1907	sub load_header_temp {
1298	my ($self) = @_;	1908	my ($self) = @_;
1299		1909
1300	$self->load_header_from ($self->save_path)	1910	$self->load_header_from ($self->save_path)
		1911	}
		1912
		1913	sub prepare_temp {
		1914	my ($self) = @_;
		1915
		1916	$self->last_access ((delete $self->{last_access})
		1917	|| $cf::RUNTIME); #d#
		1918	# safety
		1919	$self->{instantiate_time} = $cf::RUNTIME
		1920	if $self->{instantiate_time} > $cf::RUNTIME;
		1921	}
		1922
		1923	sub prepare_orig {
		1924	my ($self) = @_;
		1925
		1926	$self->{load_original} = 1;
		1927	$self->{instantiate_time} = $cf::RUNTIME;
		1928	$self->last_access ($cf::RUNTIME);
		1929	$self->instantiate;
1301	}	1930	}
1302		1931
1303	sub load_header {	1932	sub load_header {
1304	my ($self) = @_;	1933	my ($self) = @_;
1305		1934
1306	if ($self->load_temp) {	1935	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1936	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1937	} else {
1313	$self->load_orig	1938	$self->load_header_orig
1314	or return;	1939	or return;
1315		1940	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1941	}
		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
1321		1948
1322	1	1949	1
1323	}	1950	}
1324		1951
1325	sub find;	1952	sub find;
1326	sub find {	1953	sub find {
1327	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1328		1955
1329	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1330		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1332		1960
1333	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1335	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1336	or return;	1966	or return;
1337		1967
1338	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1339		1969
1340	$map->load_header	1970	$map->load_header
1341	or return;	1971	or return;
1342		1972
1343	if ($map->should_reset) {	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1974	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1345	$map->reset;	1978	$map->reset;
1346	undef $guard;
1347	$map = find $path	1979	return find $path;
1348	or return;
1349	}	1980	}
1350		1981
1351	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1352	}	1983	}
1353	}	1984	}
		1985
		1986	sub pre_load { }
		1987	sub post_load { }
1354		1988
1355	sub load {	1989	sub load {
1356	my ($self) = @_;	1990	my ($self) = @_;
1357		1991
		1992	local $self->{deny_reset} = 1; # loading can take a long time
		1993
1358	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1360		1998
		1999	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2001
1363	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1364		2003
1365	$self->alloc;	2004	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2005
		2006	$self->pre_load;
		2007	cf::cede_to_tick;
		2008
		2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1367	or return;	2012	or return;
1368		2013
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2015	if delete $self->{load_original};
1371		2016
1372	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2018	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2021	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1377	}	2025	}
1378	}	2026	}
1379		2027
1380	Coro::cede;	2028	$f->resolve_delayed_derefs;
1381		2029
		2030	cf::cede_to_tick;
1382	# now do the right thing for maps	2031	# now do the right thing for maps
1383	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2034	unless $self->difficulty;
1393	Coro::cede;	2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1394	$self->activate;	2044	$self->activate;
1395	}	2045	}
1396		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
		2049
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2050	$self->in_memory (cf::MAP_IN_MEMORY);
		2051	}
		2052
		2053	$self->post_load;
1398	}	2054	}
1399		2055
1400	sub customise_for {	2056	sub customise_for {
1401	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1402		2058
1403	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2060	if $self->per_player;
1405		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1406	$self	2065	$self
1407	}	2066	}
1408		2067
1409	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2069	sub load_neighbours {
1411	my ($map) = @_;	2070	my ($map) = @_;
1412		2071
1413	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1414		2073
1415	for (0 .. 3) {	2074	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1417	or next;	2076	or next;
1418	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1419	or next;	2078	or next;
1420	$neigh->load;	2079	$neigh->load;
1421		2080
		2081	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2084	}
1425		2085
1426	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1428	or next;	2089	or next;
1429	$neigh->load;	2090	$neigh->load;
1430	}	2091	}
1431	}	2092	}
1432		2093
…		…
1437	}	2098	}
1438		2099
1439	sub do_load_sync {	2100	sub do_load_sync {
1440	my ($map) = @_;	2101	my ($map) = @_;
1441		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1442	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1443	}	2107	}
1444		2108
1445	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2110	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2111
1459	sub find_async {	2112	sub find_async {
1460	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1461		2114
1462	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1463		2116
1464	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2119	}
		2120
		2121	$MAP_PREFETCH{$path} |= $load;
		2122
		2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
		2126	while (%MAP_PREFETCH) {
		2127	while (my ($k, $v) = each %MAP_PREFETCH) {
		2128	if (my $map = find $k) {
		2129	$map->load if $v;
		2130	}
		2131
		2132	delete $MAP_PREFETCH{$k};
		2133	}
		2134	}
		2135	undef $MAP_PREFETCHER;
1466	}	2136	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2137	$MAP_PREFETCHER->prio (6);
1470		2138
1471	()	2139	()
1472	}	2140	}
1473		2141
1474	sub save {	2142	sub save {
1475	my ($self) = @_;	2143	my ($self) = @_;
1476		2144
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2146
1479	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1480		2148
1481	return unless $self->dirty;	2149	return unless $self->dirty;
1482		2150
…		…
1488	return if $self->{deny_save};	2156	return if $self->{deny_save};
1489		2157
1490	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1491		2159
1492	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1494	};	2163	};
1495		2164
1496	if ($uniq) {	2165	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2174	my ($self) = @_;
1506		2175
1507	# save first because save cedes	2176	# save first because save cedes
1508	$self->save;	2177	$self->save;
1509		2178
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2180
1512	return if $self->players;	2181	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2183	return if $self->{deny_save};
1515		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2189	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2190	}
1519		2191
1520	sub reset_at {	2192	sub reset_at {
1521	my ($self) = @_;	2193	my ($self) = @_;
1522		2194
1523	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1526		2197
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2200
…		…
1540	my ($self) = @_;	2211	my ($self) = @_;
1541		2212
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2214
1544	return if $self->players;	2215	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2216
1547	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1548		2228
1549	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1550		2230
1551	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2233	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2234
1556	$self->unlink_save;	2235	$self->unlink_save;
1557	$self->destroy;	2236	$self->destroy;
1558	}	2237	}
1559		2238
1560	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1561		2240
1562	sub nuke {	2241	sub nuke {
1563	my ($self) = @_;	2242	my ($self) = @_;
1564		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1565	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1566		2248
1567	$self->unlink_save;	2249	$self->unlink_save;
1568		2250
1569	bless $self, "cf::map";	2251	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2256
1575	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1576		2259
1577	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1578	}	2297	}
1579		2298
1580	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1581		2300
1582	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2302	instantiated unique items. May block.
1584		2303
1585	=cut	2304	=cut
1586		2305
1587	sub unique_maps() {	2306	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1589	or return;	2308	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2309	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2310	/\.map$/
1599	push @paths, $_;	2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2314	]
1601
1602	\@paths
1603	}	2315	}
1604		2316
1605	package cf;	2317	package cf;
1606		2318
1607	=back	2319	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1626	}	2338	}
1627		2339
1628	sub inv_recursive {	2340	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1630	}	2370	}
1631		2371
1632	package cf;	2372	package cf;
1633		2373
1634	=back	2374	=back
…		…
1653		2393
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2395
1656	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1658	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1661	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1662	}	2421	}
1663		2422
1664	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1665		2424
1666	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2457	=cut
1699		2458
1700	sub link_map {	2459	sub link_map {
1701	unless ($LINK_MAP) {	2460	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2461	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2462	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2463	$LINK_MAP->load;
1705	}	2464	}
1706		2465
1707	$LINK_MAP	2466	$LINK_MAP
1708	}	2467	}
…		…
1713	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1714		2473
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2475
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1719		2478
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2480	}
1722		2481
1723	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1725		2486
1726	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1727		2488
1728	unless ($map) {	2489	unless ($map) {
1729	# restore original map position	2490	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1746		2507
1747	$map->load;	2508	$map->load;
1748	$map->load_diag;	2509	$map->load_neighbours;
1749		2510
1750	return unless $self->contr->active;	2511	return unless $self->contr->active;
1751	$self->activate_recursive;	2512	$self->activate_recursive;
		2513
		2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1753	}	2516	}
1754		2517
1755	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2519
1759	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1763	};	2524	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2525
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1790		2529
1791	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2535
1794	$self->enter_link;	2536	$self->enter_link;
1795		2537
1796	(async {	2538	(async {
1797	my $map = cf::map::find $path;	2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
		2560	my $map = eval {
		2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
1799		2565	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2566	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
1804		2569
		2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
		2576	}
		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1806	})->prio (1);	2584	})->prio (1);
1807	}	2585	}
1808		2586
1809	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1810		2588
…		…
1839	# that depends on the exit object	2617	# that depends on the exit object
1840		2618
1841	my $rmp = parse_random_map_params $exit->msg;	2619	my $rmp = parse_random_map_params $exit->msg;
1842		2620
1843	if ($exit->map) {	2621	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2622	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2623	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2624	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2625	$rmp->{origin_y} = $exit->y;
1848	}	2626	}
1849		2627
1850	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1851		2629
1852	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2632	my $meta = "$RANDOMDIR/$md5.meta";
1855		2633
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2636	undef $fh;
1859	aio_rename "$meta~", $meta;	2637	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2644	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2645	my ($self, $exit) = @_;
1868		2646
1869	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1870		2648
		2649	if ($exit->slaying eq "/!") {
		2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
		2653	cf::sync_job { prepare_random_map $exit };
		2654	}
		2655
		2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2657	my $hp = $exit->stats->hp;
		2658	my $sp = $exit->stats->sp;
		2659
1871	$self->enter_link;	2660	$self->enter_link;
1872		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1873	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1874	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2670	unless (eval {
1876	prepare_random_map $exit	2671	$self->goto ($slaying, $hp, $sp);
1877	if $exit->slaying eq "/!";
1878
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881		2672
1882	1;	2673	1;
1883	}) {	2674	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2679
1889	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2681	$self->leave_link;
1891	}	2682	}
1892	})->prio (1);	2683	})->prio (1);
…		…
1905		2696
1906	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1908		2699
1909	utf8::encode $text;	2700	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2702	}
1912		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
1913		2862
1914	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
1915		2864
1916	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2868
1920	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2870	become reliable at some point in the future.
1922		2871
1923	=cut	2872	=cut
1924		2873
1925	sub cf::client::query {	2874	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2883	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2885
1937	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
1939	}	2890	}
1940		2891
1941	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
1942	on_reply => sub {	2898	on_reply => sub {
1943	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
1944		2900
1945	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
1946	# get handled first	2902	# get handled first
1947	my $queue = delete $ns->{query_queue}	2903	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2904	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2905
1950	(shift @$queue)->[1]->($msg);	2906	(shift @$queue)->[1]->($msg);
		2907	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2908
1952	push @{ $ns->{query_queue} }, @$queue;	2909	push @{ $ns->{query_queue} }, @$queue;
1953		2910
1954	if (@{ $ns->{query_queue} } == @$queue) {	2911	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2912	if (@$queue) {
…		…
1957	} else {	2914	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2916	}
1960	}	2917	}
1961	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
1962	);	2945	);
1963		2946
1964	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
1965		2948
1966	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2009		2992
2010	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2011		2994
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2013		3000
2014	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2015		3002
2016	=pod	3003	=pod
2017		3004
2018	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2019		3006
2020	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2021	cf::object::player player	3011	cf::object::player
2022	cf::player peaceful	3012	player
2023	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2024		3019
2025	=cut	3020	=cut
2026		3021
2027	for (	3022	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2029	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2032	) {	3029	) {
2033	no strict 'refs';	3030	no strict 'refs';
…		…
2104	=back	3101	=back
2105		3102
2106	=cut	3103	=cut
2107		3104
2108	#############################################################################	3105	#############################################################################
		3106	# the server's init and main functions
2109		3107
2110	=head2 EXTENSION DATABASE SUPPORT	3108	sub load_facedata($) {
		3109	my ($path) = @_;
2111		3110
2112	Crossfire maintains a very simple database for extension use. It can	3111	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3112	# for this (global event?)
2114	excludes objects.	3113	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3114
2116	The parameter C<$family> should best start with the name of the extension	3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3116
2119	=over 4	3117	warn "loading facedata from $path\n";
2120		3118
2121	=item $hashref = cf::db_get $family	3119	my $facedata;
		3120	0 < aio_load $path, $facedata
		3121	or die "$path: $!";
2122		3122
2123	Return a hashref for use by the extension C<$family>, which can be	3123	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3124
2127	=item $value = cf::db_get $family => $key	3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3127
2129	Returns a single value from the database	3128	# patch in the exptable
2130		3129	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3130	type => FT_RSRC,
2132		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3132	};
		3133	cf::cede_to_tick;
2182		3134
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3135	{
		3136	my $faces = $facedata->{faceinfo};
2187		3137
2188	sub db_get($;$) {	3138	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}	3140	cf::face::set_visibility $idx, $info->{visibility};
2191	: ($DB->{$_[0]} ||= { })	3141	cf::face::set_magicmap $idx, $info->{magicmap};
2192	}	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2193		3144
2194	sub db_put($$;$) {	3145	cf::cede_to_tick;
2195	if (@_ >= 3) {
2196	$DB->{$_[0]}{$_[1]} = $_[2];
2197	} else {
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202
2203	cf::global->attach (
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3146	}
2208	);
2209	}
2210		3147
2211	#############################################################################	3148	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
2213		3158
2214	sub cfg_load {	3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
		3223	1
		3224	}
		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
		3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
		3268	sub reload_resources {
		3269	warn "reloading resource files...\n";
		3270
		3271	reload_regions;
		3272	reload_facedata;
		3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
		3278	}
		3279
		3280	sub init {
		3281	reload_resources;
		3282	}
		3283
		3284	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3286	or return;
2217		3287
2218	local $/;	3288	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2220		3290
…		…
2235	sub main {	3305	sub main {
2236	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2240	Event::one_event;	3311	Event::one_event;
2241	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2242	};	3313	};
2243		3314
2244	cfg_load;	3315	reload_config;
2245	db_load;	3316	db_init;
2246	load_extensions;	3317	load_extensions;
		3318
		3319	$TICK_WATCHER->start;
2247	Event::loop;	3320	Event::loop;
2248	}	3321	}
2249		3322
2250	#############################################################################	3323	#############################################################################
2251	# initialisation and cleanup	3324	# initialisation and cleanup
2252		3325
2253	# install some emergency cleanup handlers	3326	# install some emergency cleanup handlers
2254	BEGIN {	3327	BEGIN {
2255	for my $signal (qw(INT HUP TERM)) {	3328	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3329	Event->signal (
		3330	reentrant => 0,
2257	data => WF_AUTOCANCEL,	3331	data => WF_AUTOCANCEL,
2258	signal => $signal,	3332	signal => $signal,
		3333	prio => 0,
2259	cb => sub {	3334	cb => sub {
2260	cf::cleanup "SIG$signal";	3335	cf::cleanup "SIG$signal";
2261	},	3336	},
2262	);	3337	);
2263	}	3338	}
		3339	}
		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
2264	}	3377	}
2265		3378
2266	sub emergency_save() {	3379	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2268		3381
…		…
2274	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2276	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3393	$pl->save;
2280	}	3394	}
2281	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2282		3396
2283	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2285	my $map = $cf::MAP{$path} or next;	3399	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3400	$map->valid or next;
2287	$map->save;	3401	$map->save;
2288	}	3402	}
2289	warn "end emergency map save\n";	3403	warn "end emergency map save\n";
		3404
		3405	warn "begin emergency database checkpoint\n";
		3406	BDB::db_env_txn_checkpoint $DB_ENV;
		3407	warn "end emergency database checkpoint\n";
2290	};	3408	};
2291		3409
2292	warn "leave emergency perl save\n";	3410	warn "leave emergency perl save\n";
2293	}	3411	}
2294		3412
		3413	sub post_cleanup {
		3414	my ($make_core) = @_;
		3415
		3416	warn Carp::longmess "post_cleanup backtrace"
		3417	if $make_core;
		3418	}
		3419
2295	sub reload() {	3420	sub do_reload_perl() {
2296	# can/must only be called in main	3421	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3423	warn "can only reload from main coroutine";
2299	return;	3424	return;
2300	}	3425	}
2301		3426
2302	warn "reloading...";	3427	warn "reloading...";
2303		3428
2304	warn "freezing server";	3429	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3430
		3431	cf::sync_job {
		3432	cf::write_runtime; # external watchdog should not bark
2306	cf::emergency_save;	3433	cf::emergency_save;
		3434	cf::write_runtime; # external watchdog should not bark
2307		3435
2308	warn "sync database to disk";	3436	warn "syncing database to disk";
2309	cf::db_sync;	3437	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3438
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	3439	# if anything goes wrong in here, we should simply crash as we already saved
2314		3440
2315	warn "cancel all watchers";	3441	warn "cancelling all WF_AUTOCANCEL watchers";
2316	for (Event::all_watchers) {	3442	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3443	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}	3444	}
2319		3445
		3446	warn "flushing outstanding aio requests";
		3447	for (;;) {
		3448	BDB::flush;
		3449	IO::AIO::flush;
		3450	Coro::cede_notself;
		3451	last unless IO::AIO::nreqs || BDB::nreqs;
		3452	warn "iterate...";
		3453	}
		3454
		3455	++$RELOAD;
		3456
2320	warn "cancel all extension coros";	3457	warn "cancelling all extension coros";
2321	$_->cancel for values %EXT_CORO;	3458	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3459	%EXT_CORO = ();
2323		3460
2324	warn "remove commands";	3461	warn "removing commands";
2325	%COMMAND = ();	3462	%COMMAND = ();
2326		3463
2327	warn "remove ext commands";	3464	warn "removing ext/exti commands";
2328	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2329		3467
2330	warn "unload/nuke all extensions";	3468	warn "unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2333		3471
2334	if (my $cb = $pkg->can ("unload")) {	3472	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3473	eval {
…		…
2340		3478
2341	warn "... nuking $pkg";	3479	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;	3480	Symbol::delete_package $pkg;
2343	}	3481	}
2344		3482
2345	warn "unload all perl modules loaded from $LIBDIR";	3483	warn "unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3484	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3486
2349	warn "removing <$k>";	3487	warn "... unloading $k";
2350	delete $INC{$k};	3488	delete $INC{$k};
2351		3489
2352	$k =~ s/\.pm$//;	3490	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3491	$k =~ s/\//::/g;
2354		3492
…		…
2357	}	3495	}
2358		3496
2359	Symbol::delete_package $k;	3497	Symbol::delete_package $k;
2360	}	3498	}
2361		3499
2362	warn "get rid of safe::, as good as possible";	3500	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3503
2366	warn "unload cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2368		3507
2369	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3509	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2372		3511
		3512	warn "unload completed, starting to reload now";
		3513
2373	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2374	require cf;	3515	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3517
2377	warn "load config and database again";	3518	warn "loading config and database again";
2378	cf::cfg_load;	3519	cf::reload_config;
2379	cf::db_load;
2380		3520
2381	warn "load extensions";	3521	warn "loading extensions";
2382	cf::load_extensions;	3522	cf::load_extensions;
2383		3523
2384	warn "reattach attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3525	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3526	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
2388	};	3528	warn "reattaching attachments to players";
		3529	reattach $_ for values %PLAYER;
2389		3530
2390	if ($@) {	3531	warn "leaving sync_job";
		3532
		3533	1
		3534	} or do {
2391	warn $@;	3535	warn $@;
2392	warn "error while reloading, exiting.";	3536	warn "error while reloading, exiting.";
2393	exit 1;	3537	exit 1;
2394	}	3538	};
2395		3539
2396	warn "reloaded";	3540	warn "reloaded";
2397	};	3541	};
2398		3542
2399	our $RELOAD_WATCHER; # used only during reload	3543	our $RELOAD_WATCHER; # used only during reload
2400		3544
		3545	sub reload_perl() {
		3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
		3548
		3549	$RELOAD_WATCHER ||= Event->timer (
		3550	reentrant => 0,
		3551	after => 0,
		3552	data => WF_AUTOCANCEL,
		3553	cb => sub {
		3554	do_reload_perl;
		3555	undef $RELOAD_WATCHER;
		3556	},
		3557	);
		3558	}
		3559
2401	register_command "reload" => sub {	3560	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2403		3562
2404	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2406		3565	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;	3567	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	3568	};
2414	}	3569	}
2415	};	3570	};
2416		3571
2417	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
		3573
		3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2418		3596
2419	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2420	reentrant => 0,	3598	reentrant => 0,
		3599	parked => 1,
2421	prio => 0,	3600	prio => 0,
2422	at => $NEXT_TICK || $TICK,	3601	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,	3602	data => WF_AUTOCANCEL,
2424	cb => sub {	3603	cb => sub {
		3604	if ($Coro::current != $Coro::main) {
		3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3606	unless ++$bug_warning > 10;
		3607	return;
		3608	}
		3609
2425	$NOW = Event::time;	3610	$NOW = $tick_start = Event::time;
2426		3611
2427	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2428	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2430		3616
2431	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
		3621	write_runtime
		3622	or warn "ERROR: unable to write runtime file: $!";
		3623	};
		3624	}
		3625
		3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$NOW = Event::time;
2433		3634
2434	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436		3637
2437	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2439	},	3645	},
2440	);	3646	);
2441		3647
		3648	{
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_time $TICK * 0.1;
		3651	$BDB_POLL_WATCHER = Event->io (
		3652	reentrant => 0,
		3653	fd => BDB::poll_fileno,
		3654	poll => 'r',
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => \&BDB::poll_cb,
		3658	);
		3659
		3660	BDB::set_sync_prepare {
		3661	my $status;
		3662	my $current = $Coro::current;
		3663	(
		3664	sub {
		3665	$status = $!;
		3666	$current->ready; undef $current;
		3667	},
		3668	sub {
		3669	Coro::schedule while defined $current;
		3670	$! = $status;
		3671	},
		3672	)
		3673	};
		3674
		3675	unless ($DB_ENV) {
		3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3681
		3682	cf::sync_job {
		3683	eval {
		3684	BDB::db_env_open
		3685	$DB_ENV,
		3686	$BDBDIR,
		3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3689	0666;
		3690
		3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3692	};
		3693
		3694	cf::cleanup "db_env_open(db): $@" if $@;
		3695	};
		3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
		3728	}
		3729
		3730	{
		3731	IO::AIO::min_parallel 8;
		3732
		3733	undef $Coro::AIO::WATCHER;
2442	IO::AIO::max_poll_time $TICK * 0.2;	3734	IO::AIO::max_poll_time $TICK * 0.1;
2443
2444	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,	3736	reentrant => 0,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,	3737	data => WF_AUTOCANCEL,
2454	after => 0,	3738	fd => IO::AIO::poll_fileno,
2455	interval => 10,	3739	poll => 'r',
2456	cb => sub {	3740	prio => 0,
2457	(Coro::unblock_sub {	3741	cb => \&IO::AIO::poll_cb,
2458	write_runtime	3742	);
2459	or warn "ERROR: unable to write runtime file: $!";	3743	}
		3744
		3745	my $_log_backtrace;
		3746
		3747	sub _log_backtrace {
		3748	my ($msg, @addr) = @_;
		3749
		3750	$msg =~ s/\n//;
		3751
		3752	# limit the # of concurrent backtraces
		3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
2460	})->();	3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
2461	},	3782	}
2462	);	3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
2463		3787
2464	END { cf::emergency_save }	3788	END { cf::emergency_save }
2465		3789
2466	1	3790	1
2467		3791

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