ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		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;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		94
57	binmode STDOUT;	95	binmode STDOUT;
58	binmode STDERR;	96	binmode STDERR;
59		97
60	# read virtual server time, if available	98	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
65	}	103	}
66		104
67	mkdir cf::localdir;	105	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		107
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
76		111
77	#############################################################################	112	#############################################################################
78		113
79	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
80		115
…		…
87	=item $cf::RUNTIME	122	=item $cf::RUNTIME
88		123
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	125	every server tick.
91		126
92	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		130
94	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
96		135
97	=item $cf::NOW	136	=item $cf::NOW
98		137
99	The time of the last (current) server tick.	138	The time of the last (current) server tick.
100		139
…		…
104		143
105	=item %cf::CFG	144	=item %cf::CFG
106		145
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		154
110	=back	155	=back
111		156
112	=cut	157	=cut
113		158
114	BEGIN {	159	BEGIN {
115	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	161	my $msg = join "", @_;
117	utf8::encode $msg;
118		162
119	$msg .= "\n"	163	$msg .= "\n"
120	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
121		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
123	};	170	};
124	}	171	}
125		172
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		192
146	$Event::DIED = sub {	193	$Event::DIED = sub {
147	warn "error in event callback: @_";	194	warn "error in event callback: @_";
148	};	195	};
149		196
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
155		198
156	=over 4	199	=over 4
157		200
158	=cut	201	=item dumpval $ref
159		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		225
162	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
163		227
164	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
165		229
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
174		231
175	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
176		233
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	234	=item cf::lock_wait $string
207		235
208	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
209		237
210	=item my $lock = cf::lock_acquire $string	238	=item my $lock = cf::lock_acquire $string
211		239
212	Wait until the given lock is available and then acquires it and returns	240	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	242	for example when the coroutine gets canceled), the lock is automatically
215	returned.	243	returned.
216		244
217	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
219		251
220	=cut	252	=cut
221		253
222	our %LOCK;	254	our %LOCK;
223		255
…		…
237	# wait, to be sure we are not locked	269	# wait, to be sure we are not locked
238	lock_wait $key;	270	lock_wait $key;
239		271
240	$LOCK{$key} = [];	272	$LOCK{$key} = [];
241		273
242	cf::guard {	274	Coro::guard {
243	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
245	}	277	}
246	}	278	}
247		279
248	=item cf::async { BLOCK }	280	sub lock_active($) {
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;	281	my ($key) = @_;
257		282
258	Coro::async {	283	! ! $LOCK{$key}
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}	284	}
263		285
264	sub freeze_mainloop {	286	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
266		288
267	my $guard = guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
268	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
269	$guard	293	$guard
270	}	294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
271		305
272	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
273		307
274	The design of crossfire+ requires that the main coro ($Coro::main) is	308	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	309	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	328	my $freeze_guard = freeze_mainloop;
295		329
296	my $busy = 1;	330	my $busy = 1;
297	my @res;	331	my @res;
298		332
299	(Coro::async {	333	(async {
300	@res = eval { $job->() };	334	@res = eval { $job->() };
301	warn $@ if $@;	335	warn $@ if $@;
302	undef $busy;	336	undef $busy;
303	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
304		338
305	while ($busy) {	339	while ($busy) {
306	Coro::cede_notself;	340	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	341	}
309		342
310	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
311	} else {	344	} else {
312	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
313		346
314	$job->()	347	$job->()
315	}	348	}
316	}	349	}
317		350
318	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
319		352
320	Creates and returns a new coro. This coro is automcatially being canceled	353	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
322		355
323	=cut	356	=cut
324		357
325	sub coro(&) {	358	sub async_ext(&) {
326	my $cb = shift;	359	my $cb = shift;
327		360
328	my $coro = &cf::async ($cb);	361	my $coro = &Coro::async ($cb);
329		362
330	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
332	});	365	});
333	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
334		367
335	$coro	368	$coro
336	}	369	}
337		370
338	sub write_runtime {	371	sub write_runtime {
339	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
340		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	378	or return;
343		379
		380	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	385	and return;
347		386
		387	# always fsync - this file is important
348	aio_fsync $fh	388	aio_fsync $fh
349	and return;	389	and return;
350		390
351	close $fh	391	close $fh
352	or return;	392	or return;
353		393
354	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
355	and return;	395	and return;
356		396
		397	warn "... done writing runtime.\n";#d#
		398
357	1	399	1
358	}	400	}
359		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
360	=back	413	=back
361		414
362	=cut	415	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		416
484	#############################################################################	417	#############################################################################
485		418
486	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
487		420
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	547	our @CB_MAP = ();
615		548
616	my %attachment;	549	my %attachment;
617		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
618	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
620		559
621	use sort 'stable';	560	use sort 'stable';
622		561
…		…
793	# object support	732	# object support
794		733
795	sub reattach {	734	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		739
799	my $registry = $obj->registry;	740	my $registry = $obj->registry;
800		741
801	@$registry = ();	742	@$registry = ();
802		743
…		…
849	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
850		791
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	796	close $fh;
856		797
857	if (@$objs) {	798	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	804	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
865	}	806	}
866	} else {	807	} else {
867	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
934	=cut	875	=cut
935		876
936	sub register_extcmd {	877	sub register_extcmd {
937	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
938		879
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
943	}	881	}
944		882
945	cf::player->attach (	883	cf::player->attach (
946	on_command => sub {	884	on_command => sub {
947	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
960		898
961	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
962		900
963	if (ref $msg) {	901	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	905	}
968	}	906	}
969	} else {	907	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		910
973	cf::override;	911	cf::override;
974	},	912	},
975	);	913	);
976		914
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	915	sub load_extension {
984	my ($path) = @_;	916	my ($path) = @_;
985		917
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	919	my $base = $1;
988	my $pkg = $1;	920	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
991		923
992	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
993		925
994	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
995	or die "$path: $!";	927	or die "$path: $!";
996		928
997	my $source =	929	my $source =
998	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1001	. "\n};\n1";	933	. "\n};\n1";
1002		934
1003	eval $source	935	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	937	: "extension disabled.\n";
1006		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	939	warn $@;
1008	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
1009		941	exit 1;
1010	# no strict 'refs';	942	}
1011	# @{"$pkg\::ISA"} = ext::;	943	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	944	}
1026		945
1027	# remove commands	946	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	947	}
1052		948
1053	sub load_extensions {	949	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	951	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1060	}	956	}
1061	}	957	}
1062		958
1063	#############################################################################	959	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		960
1101	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1102		962
1103	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1104		964
		965	=cut
		966
		967	package cf::player;
		968
		969	use Coro::AIO;
		970
1105	=head3 cf::player	971	=head3 cf::player
1106		972
1107	=over 4	973	=over 4
1108		974
1109	=item cf::player::exists $login	975	=item cf::player::find $login
1110		976
1111	Returns true when the given account exists.	977	Returns the given player object, loading it if necessary (might block).
1112		978
1113	=cut	979	=cut
1114		980
1115	sub cf::player::exists($) {	981	sub playerdir($) {
1116	cf::player::find $_[0]	982	"$PLAYERDIR/"
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	984	}
1119		985
		986	sub path($) {
		987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		988
		989	(playerdir $login) . "/playerdata"
		990	}
		991
		992	sub find_active($) {
		993	$cf::PLAYER{$_[0]}
		994	and $cf::PLAYER{$_[0]}->active
		995	and $cf::PLAYER{$_[0]}
		996	}
		997
		998	sub exists($) {
		999	my ($login) = @_;
		1000
		1001	$cf::PLAYER{$login}
		1002	or cf::sync_job { !aio_stat path $login }
		1003	}
		1004
		1005	sub find($) {
		1006	return $cf::PLAYER{$_[0]} || do {
		1007	my $login = $_[0];
		1008
		1009	my $guard = cf::lock_acquire "user_find:$login";
		1010
		1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
		1019	my $pl = load_pl path $login
		1020	or return;
		1021	$cf::PLAYER{$login} = $pl
		1022	}
		1023	}
		1024	}
		1025
		1026	sub save($) {
		1027	my ($pl) = @_;
		1028
		1029	return if $pl->{deny_save};
		1030
		1031	my $path = path $pl;
		1032	my $guard = cf::lock_acquire "user_save:$path";
		1033
		1034	return if $pl->{deny_save};
		1035
		1036	aio_mkdir playerdir $pl, 0770;
		1037	$pl->{last_save} = $cf::RUNTIME;
		1038
		1039	$pl->save_pl ($path);
		1040	Coro::cede;
		1041	}
		1042
		1043	sub new($) {
		1044	my ($login) = @_;
		1045
		1046	my $self = create;
		1047
		1048	$self->ob->name ($login);
		1049	$self->{deny_save} = 1;
		1050
		1051	$cf::PLAYER{$login} = $self;
		1052
		1053	$self
		1054	}
		1055
		1056	=item $pl->quit_character
		1057
		1058	Nukes the player without looking back. If logged in, the connection will
		1059	be destroyed. May block for a long time.
		1060
		1061	=cut
		1062
		1063	sub quit_character {
		1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
		1067
		1068	$pl->{deny_save} = 1;
		1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1072	$pl->deactivate;
		1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1074	$pl->ns->destroy if $pl->ns;
		1075
		1076	my $path = playerdir $pl;
		1077	my $temp = "$path~$cf::RUNTIME~deleting~";
		1078	aio_rename $path, $temp;
		1079	delete $cf::PLAYER{$pl->ob->name};
		1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
		1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
		1102	}
		1103
		1104	=item cf::player::list_logins
		1105
		1106	Returns am arrayref of all valid playernames in the system, can take a
		1107	while and may block, so not sync_job-capable, ever.
		1108
		1109	=cut
		1110
		1111	sub list_logins {
		1112	my $dirs = aio_readdir $PLAYERDIR
		1113	or return [];
		1114
		1115	my @logins;
		1116
		1117	for my $login (@$dirs) {
		1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1119	aio_read $fh, 0, 512, my $buf, 0 or next;
		1120	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1121
		1122	utf8::decode $login;
		1123	push @logins, $login;
		1124	}
		1125
		1126	\@logins
		1127	}
		1128
		1129	=item $player->maps
		1130
		1131	Returns an arrayref of map paths that are private for this
		1132	player. May block.
		1133
		1134	=cut
		1135
		1136	sub maps($) {
		1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
		1140
		1141	my $files = aio_readdir playerdir $pl
		1142	or return;
		1143
		1144	my @paths;
		1145
		1146	for (@$files) {
		1147	utf8::decode $_;
		1148	next if /\.(?:pl|pst)$/;
		1149	next unless /^$PATH_SEP/o;
		1150
		1151	push @paths, cf::map::normalise "~$pl/$_";
		1152	}
		1153
		1154	\@paths
		1155	}
		1156
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1121		1158
1122	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1123		1160
1124	=cut	1161	=cut
1125		1162
1126	sub cf::player::ext_reply($$$%) {	1163	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1128		1165
1129	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1130		1167
1131	$self->send ("ext " . to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
		1169	}
		1170
		1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
1132	}	1210	}
1133		1211
1134	=back	1212	=back
1135
1136		1213
1137	=head3 cf::map	1214	=head3 cf::map
1138		1215
1139	=over 4	1216	=over 4
1140		1217
…		…
1143	package cf::map;	1220	package cf::map;
1144		1221
1145	use Fcntl;	1222	use Fcntl;
1146	use Coro::AIO;	1223	use Coro::AIO;
1147		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1148	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1150		1231
1151	sub generate_random_map {	1232	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1235	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
		1247	)
		1248	}
		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
		1258	sub register {
		1259	my (undef, $regex, $prio) = @_;
		1260	my $pkg = caller;
		1261
		1262	no strict;
		1263	push @{"$pkg\::ISA"}, __PACKAGE__;
		1264
		1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1266	}
		1267
		1268	# also paths starting with '/'
		1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
		1282
		1283	sub normalise {
		1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
		1290	# map plan:
		1291	#
		1292	# /! non-realised random map exit (special hack!)
		1293	# {... are special paths that are not being touched
		1294	# ?xxx/... are special absolute paths
		1295	# ?random/... random maps
		1296	# /... normal maps
		1297	# ~user/... per-player map of a specific user
		1298
		1299	$path =~ s/$PATH_SEP/\//go;
		1300
		1301	# treat it as relative path if it starts with
		1302	# something that looks reasonable
		1303	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1304	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1305
		1306	$base =~ s{[^/]+/?$}{};
		1307	$path = "$base/$path";
		1308	}
		1309
		1310	for ($path) {
		1311	redo if s{//}{/};
		1312	redo if s{/\.?/}{/};
		1313	redo if s{/[^/]+/\.\./}{/};
		1314	}
		1315
		1316	$path
		1317	}
		1318
		1319	sub new_from_path {
		1320	my (undef, $path, $base) = @_;
		1321
		1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1323
		1324	$path = normalise $path, $base;
		1325
		1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1328	my $self = bless cf::map::new, $pkg;
		1329	$self->{path} = $path; $self->path ($path);
		1330	$self->init; # pass $1 etc.
		1331	return $self;
		1332	}
		1333	}
		1334
		1335	Carp::carp "unable to resolve path '$path' (base '$base').";
		1336	()
		1337	}
		1338
		1339	sub init {
		1340	my ($self) = @_;
		1341
		1342	$self
		1343	}
		1344
		1345	sub as_string {
		1346	my ($self) = @_;
		1347
		1348	"$self->{path}"
		1349	}
		1350
		1351	# the displayed name, this is a one way mapping
		1352	sub visible_name {
		1353	&as_string
		1354	}
		1355
		1356	# the original (read-only) location
		1357	sub load_path {
		1358	my ($self) = @_;
		1359
		1360	"$MAPDIR/$self->{path}.map"
		1361	}
		1362
		1363	# the temporary/swap location
		1364	sub save_path {
		1365	my ($self) = @_;
		1366
		1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1368	"$TMPDIR/$path.map"
		1369	}
		1370
		1371	# the unique path, undef == no special unique path
		1372	sub uniq_path {
		1373	my ($self) = @_;
		1374
		1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1376	"$UNIQUEDIR/$path"
1168	}	1377	}
1169		1378
1170	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1171	# all maps in C++...	1380	# all maps in C++...
1172	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1174		1383
1175	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1177	}	1386	}
1178		1387
		1388	sub unlink_save {
		1389	my ($self) = @_;
		1390
		1391	utf8::encode (my $save = $self->save_path);
		1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1394	}
		1395
1179	sub try_load_header($) {	1396	sub load_header_from($) {
1180	my ($path) = @_;	1397	my ($self, $path) = @_;
1181		1398
1182	utf8::encode $path;	1399	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1184	or return;	1404	or return;
1185		1405
1186	my $map = cf::map::new	1406	$self->{load_path} = $path;
		1407
		1408	1
		1409	}
		1410
		1411	sub load_header_orig {
		1412	my ($self) = @_;
		1413
		1414	$self->load_header_from ($self->load_path)
		1415	}
		1416
		1417	sub load_header_temp {
		1418	my ($self) = @_;
		1419
		1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
		1440	}
		1441
		1442	sub load_header {
		1443	my ($self) = @_;
		1444
		1445	if ($self->load_header_temp) {
		1446	$self->prepare_temp;
		1447	} else {
		1448	$self->load_header_orig
1187	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1188		1452
1189	$map->load_header ($path)	1453	$self->default_region (cf::region::find_by_path $self->{path})
1190	or return;	1454	unless $self->default_region;
1191		1455
1192	$map->{load_path} = $path;	1456	1
1193
1194	$map
1195	}	1457	}
1196		1458
1197	sub find;	1459	sub find;
1198	sub find {	1460	sub find {
1199	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1200		1462
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1464
1206	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1207		1466
1208	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1210		1469	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1470	or return;
1230		1471
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1243		1473
1244	Coro::cede;	1474	$map->load_header
		1475	or return;
1245		1476
1246	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1480	$map->reset;
1248	undef $guard;	1481	undef $guard;
1249	$map = find $path	1482	return find $path;
1250	or return;
1251	}	1483	}
1252		1484
1253	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1254	}	1486	}
1255	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1256		1491
1257	sub load {	1492	sub load {
1258	my ($self) = @_;	1493	my ($self) = @_;
1259		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1260	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1262		1501
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1503
1265	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1266		1505
1267	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1268	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1512	or return;
1270		1513
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1515	if delete $self->{load_original};
1273		1516
1274	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1518	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1520	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1279	}	1522	}
1280	}	1523	}
1281		1524
1282	Coro::cede;	1525	Coro::cede;
1283
1284	# now do the right thing for maps	1526	# now do the right thing for maps
1285	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1286
1287	if ($self->{path}->is_style_map) {
1288	$self->{deny_save} = 1;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;
1294	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1529	unless $self->difficulty;
		1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1297	$self->activate;	1539	$self->activate;
1298	}	1540	}
1299		1541
1300	Coro::cede;
1301
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
		1546	}
		1547
		1548	sub customise_for {
		1549	my ($self, $ob) = @_;
		1550
		1551	return find "~" . $ob->name . "/" . $self->{path}
		1552	if $self->per_player;
		1553
		1554	$self
		1555	}
		1556
		1557	# find and load all maps in the 3x3 area around a map
		1558	sub load_diag {
		1559	my ($map) = @_;
		1560
		1561	my @diag; # diagonal neighbours
		1562
		1563	for (0 .. 3) {
		1564	my $neigh = $map->tile_path ($_)
		1565	or next;
		1566	$neigh = find $neigh, $map
		1567	or next;
		1568	$neigh->load;
		1569
		1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1572	}
		1573
		1574	for (@diag) {
		1575	my $neigh = find @$_
		1576	or next;
		1577	$neigh->load;
		1578	}
1303	}	1579	}
1304		1580
1305	sub find_sync {	1581	sub find_sync {
1306	my ($path, $origin) = @_;	1582	my ($path, $origin) = @_;
1307		1583
1308	cf::sync_job { cf::map::find $path, $origin }	1584	cf::sync_job { find $path, $origin }
1309	}	1585	}
1310		1586
1311	sub do_load_sync {	1587	sub do_load_sync {
1312	my ($map) = @_;	1588	my ($map) = @_;
1313		1589
1314	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1315	}	1591	}
1316		1592
		1593	our %MAP_PREFETCH;
		1594	our $MAP_PREFETCHER = undef;
		1595
		1596	sub find_async {
		1597	my ($path, $origin) = @_;
		1598
		1599	$path = normalise $path, $origin && $origin->{path};
		1600
		1601	if (my $map = $cf::MAP{$path}) {
		1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1603	}
		1604
		1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
		1618	$MAP_PREFETCHER->prio (6);
		1619
		1620	()
		1621	}
		1622
1317	sub save {	1623	sub save {
1318	my ($self) = @_;	1624	my ($self) = @_;
1319		1625
		1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1627
1320	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1321		1629
1322	return unless $self->dirty;	1630	return unless $self->dirty;
1323		1631
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1634
1327	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1328		1636
1329	return if $self->{deny_save};	1637	return if $self->{deny_save};
1330		1638
1331	local $self->{last_access} = $self->last_access;#d#	1639	local $self->{last_access} = $self->last_access;#d#
1332		1640
		1641	cf::async {
		1642	$_->contr->save for $self->players;
		1643	};
		1644
1333	if ($uniq) {	1645	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1648	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1650	}
1339	}	1651	}
1340		1652
1341	sub swap_out {	1653	sub swap_out {
1342	my ($self) = @_;	1654	my ($self) = @_;
1343		1655
1344	# save first because save cedes	1656	# save first because save cedes
1345	$self->save;	1657	$self->save;
		1658
		1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1660
1347	return if $self->players;	1661	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1663	return if $self->{deny_save};
1350		1664
…		…
1354		1668
1355	sub reset_at {	1669	sub reset_at {
1356	my ($self) = @_;	1670	my ($self) = @_;
1357		1671
1358	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1361		1675
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1678
…		…
1369	my ($self) = @_;	1683	my ($self) = @_;
1370		1684
1371	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1372	}	1686	}
1373		1687
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1688	sub reset {
1396	my ($self) = @_;	1689	my ($self) = @_;
1397		1690
		1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1692
1398	return if $self->players;	1693	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1400		1695
1401	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1402		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1403	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1404		1711
1405	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1406		1713
1407	$self->unlink_save;	1714	$self->unlink_save;
1408	$self->destroy;	1715	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1412		1719
1413	sub nuke {	1720	sub nuke {
1414	my ($self) = @_;	1721	my ($self) = @_;
1415		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1419	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1420	}	1736	}
1421		1737
1422	sub customise_for {	1738	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1739
1425	if ($map->per_player) {	1740	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1741	instantiated unique items. May block.
1427	}
1428		1742
1429	$map	1743	=cut
1430	}
1431		1744
1432	sub emergency_save {	1745	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1746	my $files = aio_readdir $UNIQUEDIR
		1747	or return;
1434		1748
1435	warn "enter emergency map save\n";	1749	my @paths;
1436		1750
1437	cf::sync_job {	1751	for (@$files) {
1438	warn "begin emergency map save\n";	1752	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1753	next if /\.pst$/;
		1754	next unless /^$PATH_SEP/o;
		1755
		1756	push @paths, cf::map::normalise $_;
1440	};	1757	}
1441		1758
1442	warn "end emergency map save\n";	1759	\@paths
1443	}	1760	}
1444		1761
1445	package cf;	1762	package cf;
1446		1763
1447	=back	1764	=back
1448		1765
		1766	=head3 cf::object
		1767
		1768	=cut
		1769
		1770	package cf::object;
		1771
		1772	=over 4
		1773
		1774	=item $ob->inv_recursive
		1775
		1776	Returns the inventory of the object _and_ their inventories, recursively.
		1777
		1778	=cut
		1779
		1780	sub inv_recursive_;
		1781	sub inv_recursive_ {
		1782	map { $_, inv_recursive_ $_->inv } @_
		1783	}
		1784
		1785	sub inv_recursive {
		1786	inv_recursive_ inv $_[0]
		1787	}
		1788
		1789	package cf;
		1790
		1791	=back
1449		1792
1450	=head3 cf::object::player	1793	=head3 cf::object::player
1451		1794
1452	=over 4	1795	=over 4
1453		1796
…		…
1493		1836
1494	=item $player_object->enter_link	1837	=item $player_object->enter_link
1495		1838
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1839	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1840
1498	The player should be reaosnably safe there for short amounts of time. You	1841	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1500		1843
		1844	Will never block.
		1845
1501	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1502		1847
1503	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1851	fails, to the emergency map position.
1507		1852
1508	Might block.	1853	Might block.
1509		1854
1510	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($LINK_MAP) {
		1859	$LINK_MAP = cf::map::find "{link}"
		1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1861	$LINK_MAP->load;
		1862	}
		1863
		1864	$LINK_MAP
		1865	}
1511		1866
1512	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1868	my ($self) = @_;
1514		1869
1515	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1516		1871
1517	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1873
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1875	if $self->map;
1521		1876
1522	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1878	}
1524		1879
1525	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1527		1882
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1900	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1901	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1902	if $x <=0 && $y <= 0;
1548		1903
1549	$map->load;	1904	$map->load;
		1905	$map->load_diag;
1550		1906
		1907	return unless $self->contr->active;
1551	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1553	}	1912	}
1554		1913
1555	cf::player->attach (	1914	cf::player->attach (
1556	on_logout => sub {	1915	on_logout => sub {
…		…
1568		1927
1569	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1929	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1573	cf::async {	1932	(async {
		1933	$pl->ob->reply (undef,
		1934	"There was an internal problem at your last logout, "
		1935	. "the server will try to bring you to your intended destination in a second.",
		1936	cf::NDI_RED);
1574	# we need this sleep as the login has a concurrent enter_exit running	1937	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1938	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1578	};	1941	})->prio (2);
1579	}	1942	}
1580	},	1943	},
1581	);	1944	);
1582		1945
1583	=item $player_object->goto_map ($path, $x, $y)	1946	=item $player_object->goto ($path, $x, $y)
1584		1947
1585	=cut	1948	=cut
1586		1949
1587	sub cf::object::player::goto_map {	1950	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1589		1952
1590	$self->enter_link;	1953	$self->enter_link;
1591		1954
1592	(cf::async {	1955	(async {
1593	$path = new cf::path $path;	1956	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1597		1959	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1962
1603	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1964	})->prio (1);
1605	}	1965	}
1606		1966
…		…
1610		1970
1611	sub parse_random_map_params {	1971	sub parse_random_map_params {
1612	my ($spec) = @_;	1972	my ($spec) = @_;
1613		1973
1614	my $rmp = { # defaults	1974	my $rmp = { # defaults
1615	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1617	};	1979	};
1618		1980
1619	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1621		1983
…		…
1625	$rmp	1987	$rmp
1626	}	1988	}
1627		1989
1628	sub prepare_random_map {	1990	sub prepare_random_map {
1629	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1994
1631	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1997	# that depends on the exit object
1634		1998
1635	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1636		2000
1637	if ($exit->map) {	2001	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1642	}	2006	}
1643		2007
1644	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1645		2009
1646	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1648		2013
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1651		2018
1652	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	2020	$exit->msg (undef);
1654	}	2021	}
1655	}	2022	}
…		…
1657	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1659		2026
1660	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
1661		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
		2039
1662	$self->enter_link;	2040	$self->enter_link;
1663		2041
1664	(cf::async {	2042	(async {
1665	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2044	unless (eval {
1667	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		2046
1673	1;	2047	1;
1674	}) {	2048	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	2051	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2053
1680	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2055	$self->leave_link;
1682	}	2056	}
1683	})->prio (1);	2057	})->prio (1);
…		…
1696		2070
1697	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1699		2073
1700	utf8::encode $text;	2074	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2076	}
1703		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1704		2090
1705	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1706		2092
1707	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1737	# get handled first	2123	# get handled first
1738	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2126
1741	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2129
1743	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1744		2131
1745	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2133	if (@$queue) {
…		…
1750	}	2137	}
1751	}	2138	}
1752	},	2139	},
1753	);	2140	);
1754		2141
1755	=item $client->coro (\&cb)	2142	=item $client->async (\&cb)
1756		2143
1757	Create a new coroutine, running the specified callback. The coroutine will	2144	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2145	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2146	or loss of connection).
1760		2147
1761	=cut	2148	=cut
1762		2149
1763	sub cf::client::coro {	2150	sub cf::client::async {
1764	my ($self, $cb) = @_;	2151	my ($self, $cb) = @_;
1765		2152
1766	my $coro = &cf::async ($cb);	2153	my $coro = &Coro::async ($cb);
1767		2154
1768	$coro->on_destroy (sub {	2155	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2156	delete $self->{_coro}{$coro+0};
1770	});	2157	});
1771		2158
…		…
1804		2191
1805	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1806		2193
1807	=pod	2194	=pod
1808		2195
1809	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1810		2197
1811	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2199	cf::object::player player
1813	cf::player peaceful	2200	cf::player peaceful
1814	cf::map trigger	2201	cf::map trigger
…		…
1899	#############################################################################	2286	#############################################################################
1900		2287
1901	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
1902		2289
1903	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
1904	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1905	excludes objects.	2292	convert to/from binary).
1906		2293
1907	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2295	using it, it should be unique.
1909		2296
1910	=over 4	2297	=over 4
1911		2298
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
1919		2300
1920	Returns a single value from the database	2301	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2302
1927	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
1928		2304
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2306
1940	=cut	2307	=cut
1941		2308
1942	our $DB;	2309	our $DB;
1943		2310
1944	{	2311	sub db_init {
1945	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
1946		2314
1947	sub db_load() {	2315	cf::sync_job {
1948	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
1949	}	2317	$DB->set_flags (BDB::CHKSUM);
1950		2318
1951	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1952		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1953	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
1954	waitpid $pid, 0 if $pid;	2322	};
1955	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2324	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});	2325	}
		2326	}
1973		2327
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {	2328	sub db_get($$) {
1980	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
1985	sub db_put($$;$) {	2339	sub db_put($$$) {
1986	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
1987	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1988	} else {	2342	}
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993		2343
1994	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
1995	prio => 10000,	2345
1996	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
1997	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
1998	},	2376	}
1999	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2000	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2001		2459
2002	#############################################################################	2460	#############################################################################
2003	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2004		2549
2005	sub cfg_load {	2550	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2007	or return;	2552	or return;
2008		2553
2009	local $/;	2554	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2011		2556
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2558
		2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2561
2014	if (exists $CFG{mlockall}) {	2562	if (exists $CFG{mlockall}) {
2015	eval {	2563	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2565	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2566	};
2019	warn $@ if $@;	2567	warn $@ if $@;
2020	}	2568	}
2021	}	2569	}
2022		2570
2023	sub main {	2571	sub main {
2024	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2575	(async {
2028	Event::one_event;	2576	Event::one_event;
2029	})->();	2577	})->prio (Coro::PRIO_MAX);
2030	};	2578	};
2031		2579
2032	cfg_load;	2580	cfg_load;
2033	db_load;	2581	db_init;
2034	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2035	Event::loop;	2585	Event::loop;
2036	}	2586	}
2037		2587
2038	#############################################################################	2588	#############################################################################
2039	# initialisation	2589	# initialisation and cleanup
2040		2590
		2591	# install some emergency cleanup handlers
		2592	BEGIN {
		2593	for my $signal (qw(INT HUP TERM)) {
		2594	Event->signal (
		2595	reentrant => 0,
		2596	data => WF_AUTOCANCEL,
		2597	signal => $signal,
		2598	prio => 0,
		2599	cb => sub {
		2600	cf::cleanup "SIG$signal";
		2601	},
		2602	);
		2603	}
		2604	}
		2605
		2606	sub emergency_save() {
		2607	my $freeze_guard = cf::freeze_mainloop;
		2608
		2609	warn "enter emergency perl save\n";
		2610
		2611	cf::sync_job {
		2612	# use a peculiar iteration method to avoid tripping on perl
		2613	# refcount bugs in for. also avoids problems with players
		2614	# and maps saved/destroyed asynchronously.
		2615	warn "begin emergency player save\n";
		2616	for my $login (keys %cf::PLAYER) {
		2617	my $pl = $cf::PLAYER{$login} or next;
		2618	$pl->valid or next;
		2619	$pl->save;
		2620	}
		2621	warn "end emergency player save\n";
		2622
		2623	warn "begin emergency map save\n";
		2624	for my $path (keys %cf::MAP) {
		2625	my $map = $cf::MAP{$path} or next;
		2626	$map->valid or next;
		2627	$map->save;
		2628	}
		2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
		2634	};
		2635
		2636	warn "leave emergency perl save\n";
		2637	}
		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2041	sub reload() {	2646	sub do_reload_perl() {
2042	# can/must only be called in main	2647	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2045	return;	2650	return;
2046	}	2651	}
2047		2652
2048	warn "reloading...";	2653	warn "reloading...";
2049		2654
2050	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2052		2661
2053	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2054	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2055		2666
2056	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2670	}
2060		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2061	# cancel all extension coros	2683	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2685	%EXT_CORO = ();
2064		2686
2065	# unload all extensions	2687	warn "removing commands";
2066	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2068	unload_extension $_;	2696
		2697	if (my $cb = $pkg->can ("unload")) {
		2698	eval {
		2699	$cb->($pkg);
		2700	1
		2701	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2702	}
2070		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2071	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2711
2075	warn "removing <$k>";	2712	warn "... unloading $k";
2076	delete $INC{$k};	2713	delete $INC{$k};
2077		2714
2078	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2080		2717
…		…
2083	}	2720	}
2084		2721
2085	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2086	}	2723	}
2087		2724
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2728
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2101		2732
2102	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2734	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2105		2736
2106	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2107	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2108	require cf;	2740	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2742
2111	# load config and database again	2743	warn "loading config and database again";
2112	cf::cfg_load;	2744	cf::cfg_load;
2113	cf::db_load;
2114		2745
2115	# load extensions
2116	warn "load extensions";	2746	warn "loading extensions";
2117	cf::load_extensions;	2747	cf::load_extensions;
2118		2748
2119	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2750	_global_reattach; # objects, sockets
2121	_global_reattach;	2751	warn "reattaching attachments to maps";
2122	};	2752	reattach $_ for values %MAP;
		2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2123		2755
2124	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2125	warn $@;	2760	warn $@;
2126	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2127	exit 1;	2762	exit 1;
2128	}	2763	};
2129		2764
2130	warn "reloaded successfully";	2765	warn "reloaded";
2131	};	2766	};
2132		2767
2133	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2134		2769
2135	unless ($LINK_MAP) {	2770	sub reload_perl() {
2136	$LINK_MAP = cf::map::new;	2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
2137		2773
2138	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2139	$LINK_MAP->height (41);	2775	reentrant => 0,
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2148	cb => sub {	2778	cb => sub {
2149	$_[0]->w->cancel;	2779	do_reload_perl;
2150		2780	undef $RELOAD_WATCHER;
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});	2781	},
2169		2782	);
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}	2783	}
2175
2176	register "<global>", __PACKAGE__;
2177		2784
2178	register_command "reload" => sub {	2785	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2180		2787
2181	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");
2183	reload;
2184	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2185	}	2791	}
2186	};	2792	};
2187		2793
2188	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2189		2818
2190	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2192	prio => 0,	2822	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2195	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
		2832	$NOW = Event::time;
		2833
2196	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2197	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2199		2838
		2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
		2849
2200	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2852
2203	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2205	},	2864	},
2206	);	2865	);
2207		2866
		2867	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2209		2869	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2870	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2212	poll => 'r',	2872	poll => 'r',
2213	prio => 5,	2873	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2220	after => 0,	2875	cb => \&BDB::poll_cb,
2221	interval => 10,	2876	);
2222	cb => sub {	2877	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2878
2224	write_runtime	2879	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2913	};
2227	},	2914	}
2228	);	2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
		2922	$AIO_POLL_WATCHER = Event->io (
		2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
		2925	fd => IO::AIO::poll_fileno,
		2926	poll => 'r',
		2927	prio => 6,
		2928	cb => \&IO::AIO::poll_cb,
		2929	);
		2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2229		2972
2230	END { cf::emergency_save }	2973	END { cf::emergency_save }
2231		2974
2232	1	2975	1
2233		2976

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines