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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 1.391 by root, Fri Oct 26 04:22:05 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	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1088		1638
1089	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1090		1640
1091	=cut	1641	=cut
1092		1642
1093	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1095		1645
1096	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1647	}
1100		1648
1101	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1102		1689
1103	=back	1690	=back
1104
1105		1691
1106	=head3 cf::map	1692	=head3 cf::map
1107		1693
1108	=over 4	1694	=over 4
1109		1695
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1725	)
1140	}	1726	}
1141		1727
		1728	=item cf::map->register ($regex, $prio)
		1729
		1730	Register a handler for the map path matching the given regex at the
		1731	givne priority (higher is better, built-in handlers have priority 0, the
		1732	default).
		1733
		1734	=cut
		1735
1142	sub register {	1736	sub register {
1143	my (undef, $regex) = @_;	1737	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1738	my $pkg = caller;
1145		1739
1146	no strict;	1740	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1741	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1742
1149	$EXT_MAP{$pkg} = qr<$regex>;	1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1744	}
1151		1745
1152	# also paths starting with '/'	1746	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1748
1155	sub thawer_merge {	1749	sub thawer_merge {
1156	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1157		1751
1158	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1159	local $self->{path};	1753	local $self->{path};
1160	local $self->{load_path};	1754	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1755
1164	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1165	}	1757	}
1166		1758
1167	sub normalise {	1759	sub normalise {
1168	my ($path, $base) = @_;	1760	my ($path, $base) = @_;
		1761
		1762	$path = "$path"; # make sure its a string
		1763
		1764	$path =~ s/\.map$//;
1169		1765
1170	# map plan:	1766	# map plan:
1171	#	1767	#
1172	# /! non-realised random map exit (special hack!)	1768	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1769	# {... are special paths that are not being touched
…		…
1201		1797
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1798	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1799
1204	$path = normalise $path, $base;	1800	$path = normalise $path, $base;
1205		1801
1206	for my $pkg (keys %EXT_MAP) {	1802	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1803	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1804	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1805	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1211	return $self;	1807	return $self;
1212	}	1808	}
1213	}	1809	}
1214		1810
1215	Carp::carp "unable to resolve path '$path'.";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1812	()
1217	}	1813	}
1218		1814
1219	sub init {	1815	sub init {
1220	my ($self) = @_;	1816	my ($self) = @_;
…		…
1235		1831
1236	# the original (read-only) location	1832	# the original (read-only) location
1237	sub load_path {	1833	sub load_path {
1238	my ($self) = @_;	1834	my ($self) = @_;
1239		1835
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1241	}	1837	}
1242		1838
1243	# the temporary/swap location	1839	# the temporary/swap location
1244	sub save_path {	1840	sub save_path {
1245	my ($self) = @_;	1841	my ($self) = @_;
1246		1842
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1249	}	1845	}
1250		1846
1251	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1252	sub uniq_path {	1848	sub uniq_path {
1253	my ($self) = @_;	1849	my ($self) = @_;
1254		1850
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1257	}	1853	}
1258		1854
1259	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1260	# all maps in C++...	1856	# all maps in C++...
1261	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1263		1859
1264	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1266	}	1862	}
1267		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1268	sub unlink_save {	1872	sub unlink_save {
1269	my ($self) = @_;	1873	my ($self) = @_;
1270		1874
1271	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1879
1276	sub load_header_from($) {	1880	sub load_header_from($) {
1277	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1278		1882
1279	utf8::encode $path;	1883	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1281	or return;	1885	or return;
1282		1886
1283	$self->_load_header ($path)	1887	$self->_load_header ($f)
1284	or return;	1888	or return;
1285		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
		1892
1286	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1287		1894
1288	1	1895	1
1289	}	1896	}
1290		1897
1291	sub load_orig {	1898	sub load_header_orig {
1292	my ($self) = @_;	1899	my ($self) = @_;
1293		1900
1294	$self->load_header_from ($self->load_path)	1901	$self->load_header_from ($self->load_path)
1295	}	1902	}
1296		1903
1297	sub load_temp {	1904	sub load_header_temp {
1298	my ($self) = @_;	1905	my ($self) = @_;
1299		1906
1300	$self->load_header_from ($self->save_path)	1907	$self->load_header_from ($self->save_path)
		1908	}
		1909
		1910	sub prepare_temp {
		1911	my ($self) = @_;
		1912
		1913	$self->last_access ((delete $self->{last_access})
		1914	|| $cf::RUNTIME); #d#
		1915	# safety
		1916	$self->{instantiate_time} = $cf::RUNTIME
		1917	if $self->{instantiate_time} > $cf::RUNTIME;
		1918	}
		1919
		1920	sub prepare_orig {
		1921	my ($self) = @_;
		1922
		1923	$self->{load_original} = 1;
		1924	$self->{instantiate_time} = $cf::RUNTIME;
		1925	$self->last_access ($cf::RUNTIME);
		1926	$self->instantiate;
1301	}	1927	}
1302		1928
1303	sub load_header {	1929	sub load_header {
1304	my ($self) = @_;	1930	my ($self) = @_;
1305		1931
1306	if ($self->load_temp) {	1932	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1933	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1934	} else {
1313	$self->load_orig	1935	$self->load_header_orig
1314	or return;	1936	or return;
1315		1937	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1938	}
		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
1321		1945
1322	1	1946	1
1323	}	1947	}
1324		1948
1325	sub find;	1949	sub find;
1326	sub find {	1950	sub find {
1327	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1328		1952
1329	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1330		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1332		1957
1333	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1335	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1336	or return;	1963	or return;
1337		1964
1338	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1339		1966
1340	$map->load_header	1967	$map->load_header
1341	or return;	1968	or return;
1342		1969
1343	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1345	$map->reset;	1975	$map->reset;
1346	undef $guard;
1347	$map = find $path	1976	return find $path;
1348	or return;
1349	}	1977	}
1350		1978
1351	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1352	}	1980	}
1353	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1354		1985
1355	sub load {	1986	sub load {
1356	my ($self) = @_;	1987	my ($self) = @_;
1357		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1358	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1360		1995
		1996	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		1998
1363	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1364		2000
1365	$self->alloc;	2001	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1367	or return;	2009	or return;
1368		2010
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2012	if delete $self->{load_original};
1371		2013
1372	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2015	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2018	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1377	}	2022	}
1378	}	2023	}
1379		2024
1380	Coro::cede;	2025	$f->resolve_delayed_derefs;
1381		2026
		2027	cf::cede_to_tick;
1382	# now do the right thing for maps	2028	# now do the right thing for maps
1383	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1384
1385	unless ($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)	2030	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2031	unless $self->difficulty;
1393	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1394	$self->activate;	2041	$self->activate;
1395	}	2042	}
1396		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_IN_MEMORY);
		2048	}
		2049
		2050	$self->post_load;
1398	}	2051	}
1399		2052
1400	sub customise_for {	2053	sub customise_for {
1401	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1402		2055
1403	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2057	if $self->per_player;
1405		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1406	$self	2062	$self
1407	}	2063	}
1408		2064
1409	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2066	sub load_neighbours {
1411	my ($map) = @_;	2067	my ($map) = @_;
1412		2068
1413	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1414		2070
1415	for (0 .. 3) {	2071	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1417	or next;	2073	or next;
1418	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1419	or next;	2075	or next;
1420	$neigh->load;	2076	$neigh->load;
1421		2077
		2078	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2081	}
1425		2082
1426	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1428	or next;	2086	or next;
1429	$neigh->load;	2087	$neigh->load;
1430	}	2088	}
1431	}	2089	}
1432		2090
…		…
1437	}	2095	}
1438		2096
1439	sub do_load_sync {	2097	sub do_load_sync {
1440	my ($map) = @_;	2098	my ($map) = @_;
1441		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1442	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1443	}	2104	}
1444		2105
1445	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2107	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		2108
1459	sub find_async {	2109	sub find_async {
1460	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1461		2111
1462	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1463		2113
1464	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2116	}
		2117
		2118	$MAP_PREFETCH{$path} |= $load;
		2119
		2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
		2123	while (%MAP_PREFETCH) {
		2124	while (my ($k, $v) = each %MAP_PREFETCH) {
		2125	if (my $map = find $k) {
		2126	$map->load if $v;
		2127	}
		2128
		2129	delete $MAP_PREFETCH{$k};
		2130	}
		2131	}
		2132	undef $MAP_PREFETCHER;
1466	}	2133	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2134	$MAP_PREFETCHER->prio (6);
1470		2135
1471	()	2136	()
1472	}	2137	}
1473		2138
1474	sub save {	2139	sub save {
1475	my ($self) = @_;	2140	my ($self) = @_;
1476		2141
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2143
1479	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1480		2145
1481	return unless $self->dirty;	2146	return unless $self->dirty;
1482		2147
…		…
1488	return if $self->{deny_save};	2153	return if $self->{deny_save};
1489		2154
1490	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1491		2156
1492	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1494	};	2160	};
1495		2161
1496	if ($uniq) {	2162	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2171	my ($self) = @_;
1506		2172
1507	# save first because save cedes	2173	# save first because save cedes
1508	$self->save;	2174	$self->save;
1509		2175
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2177
1512	return if $self->players;	2178	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2180	return if $self->{deny_save};
1515		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2186	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2187	}
1519		2188
1520	sub reset_at {	2189	sub reset_at {
1521	my ($self) = @_;	2190	my ($self) = @_;
1522		2191
1523	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1526		2194
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2197
…		…
1540	my ($self) = @_;	2208	my ($self) = @_;
1541		2209
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2211
1544	return if $self->players;	2212	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2213
1547	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1548		2225
1549	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1550		2227
1551	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2230	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2231
1556	$self->unlink_save;	2232	$self->unlink_save;
1557	$self->destroy;	2233	$self->destroy;
1558	}	2234	}
1559		2235
1560	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1561		2237
1562	sub nuke {	2238	sub nuke {
1563	my ($self) = @_;	2239	my ($self) = @_;
1564		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1565	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1566		2245
1567	$self->unlink_save;	2246	$self->unlink_save;
1568		2247
1569	bless $self, "cf::map";	2248	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2253
1575	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1576		2256
1577	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1578	}	2294	}
1579		2295
1580	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1581		2297
1582	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2299	instantiated unique items. May block.
1584		2300
1585	=cut	2301	=cut
1586		2302
1587	sub unique_maps() {	2303	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1589	or return;	2305	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2306	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2307	/\.map$/
1599	push @paths, $_;	2308	? normalise $_
		2309	: ()
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2311	]
1601
1602	\@paths
1603	}	2312	}
1604		2313
1605	package cf;	2314	package cf;
1606		2315
1607	=back	2316	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1626	}	2335	}
1627		2336
1628	sub inv_recursive {	2337	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1630	}	2367	}
1631		2368
1632	package cf;	2369	package cf;
1633		2370
1634	=back	2371	=back
…		…
1653		2390
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2392
1656	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1658	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1661	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1662	}	2418	}
1663		2419
1664	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1665		2421
1666	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2454	=cut
1699		2455
1700	sub link_map {	2456	sub link_map {
1701	unless ($LINK_MAP) {	2457	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2458	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2459	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2460	$LINK_MAP->load;
1705	}	2461	}
1706		2462
1707	$LINK_MAP	2463	$LINK_MAP
1708	}	2464	}
…		…
1713	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1714		2470
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2472
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1719		2475
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2477	}
1722		2478
1723	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1725		2483
1726	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1727		2485
1728	unless ($map) {	2486	unless ($map) {
1729	# restore original map position	2487	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1746		2504
1747	$map->load;	2505	$map->load;
1748	$map->load_diag;	2506	$map->load_neighbours;
1749		2507
1750	return unless $self->contr->active;	2508	return unless $self->contr->active;
1751	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1753	}	2513	}
1754		2514
1755	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2516
1759	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1763	};	2521	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2522
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	2523	=cut
		2524
		2525	our $GOTOGEN;
1790		2526
1791	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2532
1794	$self->enter_link;	2533	$self->enter_link;
1795		2534
1796	(async {	2535	(async {
1797	my $map = cf::map::find $path;	2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
		2557	my $map = eval {
		2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
1799		2562	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2563	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
1804		2566
		2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
		2573	}
		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1806	})->prio (1);	2581	})->prio (1);
1807	}	2582	}
1808		2583
1809	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1810		2585
…		…
1839	# that depends on the exit object	2614	# that depends on the exit object
1840		2615
1841	my $rmp = parse_random_map_params $exit->msg;	2616	my $rmp = parse_random_map_params $exit->msg;
1842		2617
1843	if ($exit->map) {	2618	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2619	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2620	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2621	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2622	$rmp->{origin_y} = $exit->y;
1848	}	2623	}
1849		2624
1850	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1851		2626
1852	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2629	my $meta = "$RANDOMDIR/$md5.meta";
1855		2630
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2633	undef $fh;
1859	aio_rename "$meta~", $meta;	2634	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2641	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2642	my ($self, $exit) = @_;
1868		2643
1869	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1870		2645
		2646	if ($exit->slaying eq "/!") {
		2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
		2650	cf::sync_job { prepare_random_map $exit };
		2651	}
		2652
		2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2654	my $hp = $exit->stats->hp;
		2655	my $sp = $exit->stats->sp;
		2656
1871	$self->enter_link;	2657	$self->enter_link;
1872		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1873	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1874	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2667	unless (eval {
1876	prepare_random_map $exit	2668	$self->goto ($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		2669
1882	1;	2670	1;
1883	}) {	2671	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2676
1889	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2678	$self->leave_link;
1891	}	2679	}
1892	})->prio (1);	2680	})->prio (1);
…		…
1905		2693
1906	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1908		2696
1909	utf8::encode $text;	2697	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2699	}
1912		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1913		2859
1914	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1915		2861
1916	Queues a query to the client, calling the given callback with	2862	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>,	2863	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>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2865
1920	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2867	become reliable at some point in the future.
1922		2868
1923	=cut	2869	=cut
1924		2870
1925	sub cf::client::query {	2871	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2880	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2882
1937	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
1939	}	2887	}
1940		2888
1941	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
1942	on_reply => sub {	2895	on_reply => sub {
1943	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
1944		2897
1945	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
1946	# get handled first	2899	# get handled first
1947	my $queue = delete $ns->{query_queue}	2900	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2901	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2902
1950	(shift @$queue)->[1]->($msg);	2903	(shift @$queue)->[1]->($msg);
		2904	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2905
1952	push @{ $ns->{query_queue} }, @$queue;	2906	push @{ $ns->{query_queue} }, @$queue;
1953		2907
1954	if (@{ $ns->{query_queue} } == @$queue) {	2908	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2909	if (@$queue) {
…		…
1957	} else {	2911	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2913	}
1960	}	2914	}
1961	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
1962	);	2942	);
1963		2943
1964	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
1965		2945
1966	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2009		2989
2010	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2011		2991
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2013		2997
2014	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2015		2999
2016	=pod	3000	=pod
2017		3001
2018	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2019		3003
2020	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2021	cf::object::player player	3008	cf::object::player
2022	cf::player peaceful	3009	player
2023	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2024		3016
2025	=cut	3017	=cut
2026		3018
2027	for (	3019	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2029	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2032	) {	3026	) {
2033	no strict 'refs';	3027	no strict 'refs';
…		…
2104	=back	3098	=back
2105		3099
2106	=cut	3100	=cut
2107		3101
2108	#############################################################################	3102	#############################################################################
		3103	# the server's init and main functions
2109		3104
2110	=head2 EXTENSION DATABASE SUPPORT	3105	sub load_facedata($) {
		3106	my ($path) = @_;
2111		3107
2112	Crossfire maintains a very simple database for extension use. It can	3108	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3109	# for this (global event?)
2114	excludes objects.	3110	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3111
2116	The parameter C<$family> should best start with the name of the extension	3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3113
2119	=over 4	3114	warn "loading facedata from $path\n";
2120		3115
2121	=item $hashref = cf::db_get $family	3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
2122		3119
2123	Return a hashref for use by the extension C<$family>, which can be	3120	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3121
2127	=item $value = cf::db_get $family => $key	3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3124
2129	Returns a single value from the database	3125	# patch in the exptable
2130		3126	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3127	type => FT_RSRC,
2132		3128	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	});	3129	};
		3130	cf::cede_to_tick;
2182		3131
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3132	{
		3133	my $faces = $facedata->{faceinfo};
2187		3134
2188	sub db_get($;$) {	3135	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}	3137	cf::face::set_visibility $idx, $info->{visibility};
2191	: ($DB->{$_[0]} ||= { })	3138	cf::face::set_magicmap $idx, $info->{magicmap};
2192	}	3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2193		3141
2194	sub db_put($$;$) {	3142	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	},	3143	}
2208	);
2209	}
2210		3144
2211	#############################################################################	3145	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
2213		3155
2214	sub cfg_load {	3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
		3237	or die "unable to load regions file\n";
		3238
		3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3283	or return;
2217		3284
2218	local $/;	3285	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2220		3287
…		…
2235	sub main {	3302	sub main {
2236	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2240	Event::one_event;	3308	Event::one_event;
2241	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2242	};	3310	};
2243		3311
2244	cfg_load;	3312	reload_config;
2245	db_load;	3313	db_init;
2246	load_extensions;	3314	load_extensions;
		3315
		3316	$TICK_WATCHER->start;
2247	Event::loop;	3317	Event::loop;
2248	}	3318	}
2249		3319
2250	#############################################################################	3320	#############################################################################
2251	# initialisation and cleanup	3321	# initialisation and cleanup
2252		3322
2253	# install some emergency cleanup handlers	3323	# install some emergency cleanup handlers
2254	BEGIN {	3324	BEGIN {
2255	for my $signal (qw(INT HUP TERM)) {	3325	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3326	Event->signal (
		3327	reentrant => 0,
2257	data => WF_AUTOCANCEL,	3328	data => WF_AUTOCANCEL,
2258	signal => $signal,	3329	signal => $signal,
		3330	prio => 0,
2259	cb => sub {	3331	cb => sub {
2260	cf::cleanup "SIG$signal";	3332	cf::cleanup "SIG$signal";
2261	},	3333	},
2262	);	3334	);
2263	}	3335	}
		3336	}
		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
2264	}	3374	}
2265		3375
2266	sub emergency_save() {	3376	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2268		3378
…		…
2274	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2276	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3390	$pl->save;
2280	}	3391	}
2281	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2282		3393
2283	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2285	my $map = $cf::MAP{$path} or next;	3396	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3397	$map->valid or next;
2287	$map->save;	3398	$map->save;
2288	}	3399	}
2289	warn "end emergency map save\n";	3400	warn "end emergency map save\n";
		3401
		3402	warn "begin emergency database checkpoint\n";
		3403	BDB::db_env_txn_checkpoint $DB_ENV;
		3404	warn "end emergency database checkpoint\n";
2290	};	3405	};
2291		3406
2292	warn "leave emergency perl save\n";	3407	warn "leave emergency perl save\n";
2293	}	3408	}
2294		3409
		3410	sub post_cleanup {
		3411	my ($make_core) = @_;
		3412
		3413	warn Carp::longmess "post_cleanup backtrace"
		3414	if $make_core;
		3415	}
		3416
2295	sub reload() {	3417	sub do_reload_perl() {
2296	# can/must only be called in main	3418	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3420	warn "can only reload from main coroutine";
2299	return;	3421	return;
2300	}	3422	}
2301		3423
2302	warn "reloading...";	3424	warn "reloading...";
2303		3425
2304	warn "freezing server";	3426	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2306	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2307		3432
2308	warn "sync database to disk";	3433	warn "syncing database to disk";
2309	cf::db_sync;	3434	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3435
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	3436	# if anything goes wrong in here, we should simply crash as we already saved
2314		3437
2315	warn "cancel all watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2316	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}	3441	}
2319		3442
		3443	warn "flushing outstanding aio requests";
		3444	for (;;) {
		3445	BDB::flush;
		3446	IO::AIO::flush;
		3447	Coro::cede_notself;
		3448	last unless IO::AIO::nreqs || BDB::nreqs;
		3449	warn "iterate...";
		3450	}
		3451
		3452	++$RELOAD;
		3453
2320	warn "cancel all extension coros";	3454	warn "cancelling all extension coros";
2321	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3456	%EXT_CORO = ();
2323		3457
2324	warn "remove commands";	3458	warn "removing commands";
2325	%COMMAND = ();	3459	%COMMAND = ();
2326		3460
2327	warn "remove ext commands";	3461	warn "removing ext/exti commands";
2328	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2329		3464
2330	warn "unload/nuke all extensions";	3465	warn "unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2333		3468
2334	if (my $cb = $pkg->can ("unload")) {	3469	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3470	eval {
…		…
2340		3475
2341	warn "... nuking $pkg";	3476	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;	3477	Symbol::delete_package $pkg;
2343	}	3478	}
2344		3479
2345	warn "unload all perl modules loaded from $LIBDIR";	3480	warn "unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3481	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3483
2349	warn "removing <$k>";	3484	warn "... unloading $k";
2350	delete $INC{$k};	3485	delete $INC{$k};
2351		3486
2352	$k =~ s/\.pm$//;	3487	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3488	$k =~ s/\//::/g;
2354		3489
…		…
2357	}	3492	}
2358		3493
2359	Symbol::delete_package $k;	3494	Symbol::delete_package $k;
2360	}	3495	}
2361		3496
2362	warn "get rid of safe::, as good as possible";	3497	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3500
2366	warn "unload cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2368		3504
2369	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3506	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2372		3508
		3509	warn "unload completed, starting to reload now";
		3510
2373	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2374	require cf;	3512	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3514
2377	warn "load config and database again";	3515	warn "loading config and database again";
2378	cf::cfg_load;	3516	cf::reload_config;
2379	cf::db_load;
2380		3517
2381	warn "load extensions";	3518	warn "loading extensions";
2382	cf::load_extensions;	3519	cf::load_extensions;
2383		3520
2384	warn "reattach attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3522	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3523	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
2388	};	3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2389		3527
2390	if ($@) {	3528	warn "leaving sync_job";
		3529
		3530	1
		3531	} or do {
2391	warn $@;	3532	warn $@;
2392	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2393	exit 1;	3534	exit 1;
2394	}	3535	};
2395		3536
2396	warn "reloaded";	3537	warn "reloaded";
2397	};	3538	};
2398		3539
2399	our $RELOAD_WATCHER; # used only during reload	3540	our $RELOAD_WATCHER; # used only during reload
2400		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2401	register_command "reload" => sub {	3557	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2403		3559
2404	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
2406		3562	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	3563	$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;	3564	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	3565	};
2414	}	3566	}
2415	};	3567	};
2416		3568
2417	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
		3570
		3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2418		3593
2419	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2420	reentrant => 0,	3595	reentrant => 0,
		3596	parked => 1,
2421	prio => 0,	3597	prio => 0,
2422	at => $NEXT_TICK || $TICK,	3598	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,	3599	data => WF_AUTOCANCEL,
2424	cb => sub {	3600	cb => sub {
		3601	if ($Coro::current != $Coro::main) {
		3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3603	unless ++$bug_warning > 10;
		3604	return;
		3605	}
		3606
2425	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2426		3608
2427	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2428	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2430		3613
2431	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3616	Coro::async_pool {
		3617	$Coro::current->{desc} = "runtime saver";
		3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
		3621	}
		3622
		3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2433		3631
2434	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436		3634
2437	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2439	},	3642	},
2440	);	3643	);
2441		3644
		3645	{
		3646	BDB::min_parallel 8;
		3647	BDB::max_poll_time $TICK * 0.1;
		3648	$BDB_POLL_WATCHER = Event->io (
		3649	reentrant => 0,
		3650	fd => BDB::poll_fileno,
		3651	poll => 'r',
		3652	prio => 0,
		3653	data => WF_AUTOCANCEL,
		3654	cb => \&BDB::poll_cb,
		3655	);
		3656
		3657	BDB::set_sync_prepare {
		3658	my $status;
		3659	my $current = $Coro::current;
		3660	(
		3661	sub {
		3662	$status = $!;
		3663	$current->ready; undef $current;
		3664	},
		3665	sub {
		3666	Coro::schedule while defined $current;
		3667	$! = $status;
		3668	},
		3669	)
		3670	};
		3671
		3672	unless ($DB_ENV) {
		3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3678
		3679	cf::sync_job {
		3680	eval {
		3681	BDB::db_env_open
		3682	$DB_ENV,
		3683	$BDBDIR,
		3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3686	0666;
		3687
		3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3689	};
		3690
		3691	cf::cleanup "db_env_open(db): $@" if $@;
		3692	};
		3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
		3725	}
		3726
		3727	{
		3728	IO::AIO::min_parallel 8;
		3729
		3730	undef $Coro::AIO::WATCHER;
2442	IO::AIO::max_poll_time $TICK * 0.2;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2443
2444	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,	3733	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,	3734	data => WF_AUTOCANCEL,
2454	after => 0,	3735	fd => IO::AIO::poll_fileno,
2455	interval => 10,	3736	poll => 'r',
2456	cb => sub {	3737	prio => 0,
2457	(Coro::unblock_sub {	3738	cb => \&IO::AIO::poll_cb,
2458	write_runtime	3739	);
2459	or warn "ERROR: unable to write runtime file: $!";	3740	}
		3741
		3742	my $_log_backtrace;
		3743
		3744	sub _log_backtrace {
		3745	my ($msg, @addr) = @_;
		3746
		3747	$msg =~ s/\n//;
		3748
		3749	# limit the # of concurrent backtraces
		3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
2460	})->();	3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2461	},	3779	}
2462	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2463		3784
2464	END { cf::emergency_save }	3785	END { cf::emergency_save }
2465		3786
2466	1	3787	1
2467		3788

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