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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.255 by root, Thu Apr 19 16:23:47 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 $FREEZE;	91
55	our $RANDOM_MAPS = cf::localdir . "/random";	92	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		94
58	binmode STDOUT;	95	binmode STDOUT;
59	binmode STDERR;	96	binmode STDERR;
60		97
61	# read virtual server time, if available	98	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
66	}	103	}
67		104
68	mkdir cf::localdir;	105	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		107
74	# a special map that is always available	108	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		109
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	110	sub cf::map::normalise;
78		111
79	#############################################################################	112	#############################################################################
80		113
81	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
82		115
…		…
89	=item $cf::RUNTIME	122	=item $cf::RUNTIME
90		123
91	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
92	every server tick.	125	every server tick.
93		126
94	=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
95		130
96	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		135
99	=item $cf::NOW	136	=item $cf::NOW
100		137
101	The time of the last (current) server tick.	138	The time of the last (current) server tick.
102		139
…		…
106		143
107	=item %cf::CFG	144	=item %cf::CFG
108		145
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		154
112	=back	155	=back
113		156
114	=cut	157	=cut
115		158
116	BEGIN {	159	BEGIN {
117	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	161	my $msg = join "", @_;
119	utf8::encode $msg;
120		162
121	$msg .= "\n"	163	$msg .= "\n"
122	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
123		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
125	};	170	};
126	}	171	}
127		172
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		192
148	$Event::DIED = sub {	193	$Event::DIED = sub {
149	warn "error in event callback: @_";	194	warn "error in event callback: @_";
150	};	195	};
151		196
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
157		198
158	=over 4	199	=over 4
159		200
160	=cut	201	=item dumpval $ref
161		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
162	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
163		225
164	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
165		227
166	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
167		229
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
176		231
177	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
178		233
179	=cut	234	=item cf::lock_wait $string
180		235
181	sub to_json($) {	236	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	237
183	JSON::Syck::Dump $_[0]	238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
		252	=cut
		253
		254	our %LOCK;
		255
		256	sub lock_wait($) {
		257	my ($key) = @_;
		258
		259	# wait for lock, if any
		260	while ($LOCK{$key}) {
		261	push @{ $LOCK{$key} }, $Coro::current;
		262	Coro::schedule;
		263	}
184	}	264	}
		265
		266	sub lock_acquire($) {
		267	my ($key) = @_;
		268
		269	# wait, to be sure we are not locked
		270	lock_wait $key;
		271
		272	$LOCK{$key} = [];
		273
		274	Coro::guard {
		275	# wake up all waiters, to be on the safe side
		276	$_->ready for @{ delete $LOCK{$key} };
		277	}
		278	}
		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
		286	sub freeze_mainloop {
		287	return unless $TICK_WATCHER->is_active;
		288
		289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
		292	$TICK_WATCHER->stop;
		293	$guard
		294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
185		305
186	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
187		307
188	The design of crossfire+ requires that the main coro ($Coro::main) is	308	The design of crossfire+ requires that the main coro ($Coro::main) is
189	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
…		…
203	# this is the main coro, too bad, we have to block	323	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	324	# till the operation succeeds, freezing the server :/
205		325
206	# TODO: use suspend/resume instead	326	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	327	# (but this is cancel-safe)
208	local $FREEZE = 1;	328	my $freeze_guard = freeze_mainloop;
209		329
210	my $busy = 1;	330	my $busy = 1;
211	my @res;	331	my @res;
212		332
213	(Coro::async {	333	(async {
214	@res = eval { $job->() };	334	@res = eval { $job->() };
215	warn $@ if $@;	335	warn $@ if $@;
216	undef $busy;	336	undef $busy;
217	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
218		338
219	while ($busy) {	339	while ($busy) {
220	Coro::cede_notself;	340	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	341	}
223		342
224	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
225	} else {	344	} else {
226	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
227		346
228	$job->()	347	$job->()
229	}	348	}
230	}	349	}
231		350
232	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
233		352
234	Creates and returns a new coro. This coro is automcatially being canceled	353	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
236		355
237	=cut	356	=cut
238		357
239	sub coro(&) {	358	sub async_ext(&) {
240	my $cb = shift;	359	my $cb = shift;
241		360
242	my $coro; $coro = async {	361	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		362
249	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
251	});	365	});
252	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
253		367
254	$coro	368	$coro
255	}	369	}
256		370
257	sub write_runtime {	371	sub write_runtime {
258	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
259		375
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	377	or return;
262		378
		379	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	384	and return;
266		385
		386	# always fsync - this file is important
267	aio_fsync $fh	387	aio_fsync $fh
268	and return;	388	and return;
269		389
270	close $fh	390	close $fh
271	or return;	391	or return;
…		…
274	and return;	394	and return;
275		395
276	1	396	1
277	}	397	}
278		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
279	=back	410	=back
280		411
281	=cut	412	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		413
403	#############################################################################	414	#############################################################################
404		415
405	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
406		417
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	544	our @CB_MAP = ();
534		545
535	my %attachment;	546	my %attachment;
536		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
537	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
539		556
540	use sort 'stable';	557	use sort 'stable';
541		558
…		…
712	# object support	729	# object support
713		730
714	sub reattach {	731	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		736
718	my $registry = $obj->registry;	737	my $registry = $obj->registry;
719		738
720	@$registry = ();	739	@$registry = ();
721		740
…		…
768	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
769		788
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	793	close $fh;
775		794
776	if (@$objs) {	795	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	801	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
784	}	803	}
785	} else {	804	} else {
786	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
853	=cut	872	=cut
854		873
855	sub register_extcmd {	874	sub register_extcmd {
856	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
857		876
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
862	}	878	}
863		879
864	cf::player->attach (	880	cf::player->attach (
865	on_command => sub {	881	on_command => sub {
866	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
879		895
880	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
881		897
882	if (ref $msg) {	898	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	902	}
887	}	903	}
888	} else {	904	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		907
892	cf::override;	908	cf::override;
893	},	909	},
894	);	910	);
895		911
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	912	sub load_extension {
903	my ($path) = @_;	913	my ($path) = @_;
904		914
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	916	my $base = $1;
907	my $pkg = $1;	917	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
910		920
911	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
912		922
913	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
914	or die "$path: $!";	924	or die "$path: $!";
915		925
916	my $source =	926	my $source =
917	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
920	. "\n};\n1";	930	. "\n};\n1";
921		931
922	eval $source	932	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	934	: "extension disabled.\n";
925		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	936	warn $@;
927	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
928		938	exit 1;
929	# no strict 'refs';	939	}
930	# @{"$pkg\::ISA"} = ext::;	940	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	941	}
945		942
946	# remove commands	943	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	944	}
971		945
972	sub load_extensions {	946	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	948	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
979	}	953	}
980	}	954	}
981		955
982	#############################################################################	956	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		957
1020	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1021		959
1022	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1023		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1024	=head3 cf::player	968	=head3 cf::player
1025		969
1026	=over 4	970	=over 4
1027		971
1028	=item cf::player::exists $login	972	=item cf::player::find $login
1029		973
1030	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1031		975
1032	=cut	976	=cut
1033		977
1034	sub cf::player::exists($) {	978	sub playerdir($) {
1035	cf::player::find $_[0]	979	"$PLAYERDIR/"
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1037	}	981	}
1038		982
		983	sub path($) {
		984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		985
		986	(playerdir $login) . "/playerdata"
		987	}
		988
		989	sub find_active($) {
		990	$cf::PLAYER{$_[0]}
		991	and $cf::PLAYER{$_[0]}->active
		992	and $cf::PLAYER{$_[0]}
		993	}
		994
		995	sub exists($) {
		996	my ($login) = @_;
		997
		998	$cf::PLAYER{$login}
		999	or cf::sync_job { !aio_stat path $login }
		1000	}
		1001
		1002	sub find($) {
		1003	return $cf::PLAYER{$_[0]} || do {
		1004	my $login = $_[0];
		1005
		1006	my $guard = cf::lock_acquire "user_find:$login";
		1007
		1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
		1016	my $pl = load_pl path $login
		1017	or return;
		1018	$cf::PLAYER{$login} = $pl
		1019	}
		1020	}
		1021	}
		1022
		1023	sub save($) {
		1024	my ($pl) = @_;
		1025
		1026	return if $pl->{deny_save};
		1027
		1028	my $path = path $pl;
		1029	my $guard = cf::lock_acquire "user_save:$path";
		1030
		1031	return if $pl->{deny_save};
		1032
		1033	aio_mkdir playerdir $pl, 0770;
		1034	$pl->{last_save} = $cf::RUNTIME;
		1035
		1036	$pl->save_pl ($path);
		1037	Coro::cede;
		1038	}
		1039
		1040	sub new($) {
		1041	my ($login) = @_;
		1042
		1043	my $self = create;
		1044
		1045	$self->ob->name ($login);
		1046	$self->{deny_save} = 1;
		1047
		1048	$cf::PLAYER{$login} = $self;
		1049
		1050	$self
		1051	}
		1052
		1053	=item $pl->quit_character
		1054
		1055	Nukes the player without looking back. If logged in, the connection will
		1056	be destroyed. May block for a long time.
		1057
		1058	=cut
		1059
		1060	sub quit_character {
		1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
		1064
		1065	$pl->{deny_save} = 1;
		1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1069	$pl->deactivate;
		1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1071	$pl->ns->destroy if $pl->ns;
		1072
		1073	my $path = playerdir $pl;
		1074	my $temp = "$path~$cf::RUNTIME~deleting~";
		1075	aio_rename $path, $temp;
		1076	delete $cf::PLAYER{$pl->ob->name};
		1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
		1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
		1099	}
		1100
		1101	=item cf::player::list_logins
		1102
		1103	Returns am arrayref of all valid playernames in the system, can take a
		1104	while and may block, so not sync_job-capable, ever.
		1105
		1106	=cut
		1107
		1108	sub list_logins {
		1109	my $dirs = aio_readdir $PLAYERDIR
		1110	or return [];
		1111
		1112	my @logins;
		1113
		1114	for my $login (@$dirs) {
		1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1116	aio_read $fh, 0, 512, my $buf, 0 or next;
		1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1118
		1119	utf8::decode $login;
		1120	push @logins, $login;
		1121	}
		1122
		1123	\@logins
		1124	}
		1125
		1126	=item $player->maps
		1127
		1128	Returns an arrayref of map paths that are private for this
		1129	player. May block.
		1130
		1131	=cut
		1132
		1133	sub maps($) {
		1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
		1137
		1138	my $files = aio_readdir playerdir $pl
		1139	or return;
		1140
		1141	my @paths;
		1142
		1143	for (@$files) {
		1144	utf8::decode $_;
		1145	next if /\.(?:pl|pst)$/;
		1146	next unless /^$PATH_SEP/o;
		1147
		1148	push @paths, cf::map::normalise "~$pl/$_";
		1149	}
		1150
		1151	\@paths
		1152	}
		1153
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1040		1155
1041	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1042		1157
1043	=cut	1158	=cut
1044		1159
1045	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1046	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1047		1162
1048	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1049		1164
1050	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
1051	}	1207	}
1052		1208
1053	=back	1209	=back
1054
1055		1210
1056	=head3 cf::map	1211	=head3 cf::map
1057		1212
1058	=over 4	1213	=over 4
1059		1214
…		…
1062	package cf::map;	1217	package cf::map;
1063		1218
1064	use Fcntl;	1219	use Fcntl;
1065	use Coro::AIO;	1220	use Coro::AIO;
1066		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1067	our $MAX_RESET = 7200;	1226	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1227	our $DEFAULT_RESET = 3000;
1069		1228
1070	sub generate_random_map {	1229	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1232	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1087	}	1374	}
1088		1375
1089	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1090	# all maps in C++...	1377	# all maps in C++...
1091	sub change_all_map_light {	1378	sub change_all_map_light {
1092	my ($change) = @_;	1379	my ($change) = @_;
1093		1380
1094	$_->change_map_light ($change) for values %cf::MAP;	1381	$_->change_map_light ($change)
		1382	for grep $_->outdoor, values %cf::MAP;
1095	}	1383	}
1096		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1097	sub try_load_header($) {	1393	sub load_header_from($) {
1098	my ($path) = @_;	1394	my ($self, $path) = @_;
1099		1395
1100	utf8::encode $path;	1396	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1102	or return;	1401	or return;
1103		1402
1104	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1105	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1106		1449
1107	$map->load_header ($path)	1450	$self->default_region (cf::region::find_by_path $self->{path})
1108	or return;	1451	unless $self->default_region;
1109		1452
1110	$map->{load_path} = $path;	1453	1
1111
1112	$map
1113	}	1454	}
1114		1455
		1456	sub find;
1115	sub find_map {	1457	sub find {
1116	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1117		1459
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1461
		1462	cf::lock_wait "map_find:$path";
		1463
1123	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1124	# do it the slow way	1465	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1466	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1467	or return;
1139		1468
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1470
1154	if ($map->should_reset) {	1471	$map->load_header
		1472	or return;
		1473
		1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1477	$map->reset;
1156	$map = find_map $path;	1478	undef $guard;
		1479	return find $path;
1157	}	1480	}
1158		1481
1159	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1160	}	1483	}
1161	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1162		1488
1163	sub load {	1489	sub load {
1164	my ($self) = @_;	1490	my ($self) = @_;
1165		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
		1494	my $path = $self->{path};
		1495	my $guard = cf::lock_acquire "map_load:$path";
		1496
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1498
1168	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1169		1500
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1173	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1507	or return;
1175		1508
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1510	if delete $self->{load_original};
1178		1511
1179	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1513	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1515	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1184	}	1517	}
1185	}	1518	}
1186		1519
		1520	Coro::cede;
1187	# now do the right thing for maps	1521	# now do the right thing for maps
1188	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1189		1524
1190	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1526	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1197	$self->set_darkness_map;	1530	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1200	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1201	}	1536	}
		1537
		1538	$self->post_load;
		1539	Coro::cede;
1202		1540
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1542	}
1205		1543
1206	sub load_map_sync {	1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
		1551	}
		1552
		1553	# find and load all maps in the 3x3 area around a map
		1554	sub load_diag {
		1555	my ($map) = @_;
		1556
		1557	my @diag; # diagonal neighbours
		1558
		1559	for (0 .. 3) {
		1560	my $neigh = $map->tile_path ($_)
		1561	or next;
		1562	$neigh = find $neigh, $map
		1563	or next;
		1564	$neigh->load;
		1565
		1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1568	}
		1569
		1570	for (@diag) {
		1571	my $neigh = find @$_
		1572	or next;
		1573	$neigh->load;
		1574	}
		1575	}
		1576
		1577	sub find_sync {
1207	my ($path, $origin) = @_;	1578	my ($path, $origin) = @_;
1208		1579
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1580	cf::sync_job { find $path, $origin }
		1581	}
1210		1582
1211	cf::sync_job {	1583	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1584	my ($map) = @_;
1213	or return;	1585
		1586	cf::sync_job { $map->load };
		1587	}
		1588
		1589	our %MAP_PREFETCH;
		1590	our $MAP_PREFETCHER = undef;
		1591
		1592	sub find_async {
		1593	my ($path, $origin) = @_;
		1594
		1595	$path = normalise $path, $origin && $origin->{path};
		1596
		1597	if (my $map = $cf::MAP{$path}) {
		1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1599	}
		1600
		1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
1214	$map->load;	1607	$map->load;
1215	$map	1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
1216	}	1613	};
		1614	$MAP_PREFETCHER->prio (6);
		1615
		1616	()
1217	}	1617	}
1218		1618
1219	sub save {	1619	sub save {
1220	my ($self) = @_;	1620	my ($self) = @_;
1221		1621
		1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1623
1222	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1223		1625
1224	return unless $self->dirty;	1626	return unless $self->dirty;
1225		1627
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1630
1229	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1230		1632
1231	return if $self->{deny_save};	1633	return if $self->{deny_save};
1232		1634
		1635	local $self->{last_access} = $self->last_access;#d#
		1636
		1637	cf::async {
		1638	$_->contr->save for $self->players;
		1639	};
		1640
1233	if ($uniq) {	1641	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1644	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1646	}
1239	}	1647	}
1240		1648
1241	sub swap_out {	1649	sub swap_out {
1242	my ($self) = @_;	1650	my ($self) = @_;
		1651
		1652	# save first because save cedes
		1653	$self->save;
		1654
		1655	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1656
1244	return if $self->players;	1657	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1659	return if $self->{deny_save};
1247		1660
1248	$self->save;
1249	$self->clear;	1661	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1662	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1663	}
1252		1664
1253	sub reset_at {	1665	sub reset_at {
1254	my ($self) = @_;	1666	my ($self) = @_;
1255		1667
1256	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1259		1671
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1674
…		…
1267	my ($self) = @_;	1679	my ($self) = @_;
1268		1680
1269	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1270	}	1682	}
1271		1683
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1684	sub reset {
1294	my ($self) = @_;	1685	my ($self) = @_;
1295		1686
		1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1688
1296	return if $self->players;	1689	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1298		1691
1299	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1300		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1301	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1302		1707
1303	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1304		1709
1305	$self->unlink_save;	1710	$self->unlink_save;
1306	$self->destroy;	1711	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1310		1715
1311	sub nuke {	1716	sub nuke {
1312	my ($self) = @_;	1717	my ($self) = @_;
1313		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1317	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1318	}	1732	}
1319		1733
1320	sub customise_for {	1734	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1735
1323	if ($map->per_player) {	1736	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1737	instantiated unique items. May block.
1325	}
1326		1738
1327	$map	1739	=cut
1328	}
1329		1740
1330	sub emergency_save {	1741	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1742	my $files = aio_readdir $UNIQUEDIR
		1743	or return;
1332		1744
1333	warn "enter emergency map save\n";	1745	my @paths;
1334		1746
1335	cf::sync_job {	1747	for (@$files) {
1336	warn "begin emergency map save\n";	1748	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1749	next if /\.pst$/;
		1750	next unless /^$PATH_SEP/o;
		1751
		1752	push @paths, cf::map::normalise $_;
1338	};	1753	}
1339		1754
1340	warn "end emergency map save\n";	1755	\@paths
1341	}	1756	}
1342		1757
1343	package cf;	1758	package cf;
1344		1759
1345	=back	1760	=back
1346		1761
		1762	=head3 cf::object
		1763
		1764	=cut
		1765
		1766	package cf::object;
		1767
		1768	=over 4
		1769
		1770	=item $ob->inv_recursive
		1771
		1772	Returns the inventory of the object _and_ their inventories, recursively.
		1773
		1774	=cut
		1775
		1776	sub inv_recursive_;
		1777	sub inv_recursive_ {
		1778	map { $_, inv_recursive_ $_->inv } @_
		1779	}
		1780
		1781	sub inv_recursive {
		1782	inv_recursive_ inv $_[0]
		1783	}
		1784
		1785	package cf;
		1786
		1787	=back
1347		1788
1348	=head3 cf::object::player	1789	=head3 cf::object::player
1349		1790
1350	=over 4	1791	=over 4
1351		1792
…		…
1391		1832
1392	=item $player_object->enter_link	1833	=item $player_object->enter_link
1393		1834
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1835	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1836
1396	The player should be reaosnably safe there for short amounts of time. You	1837	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1398		1839
		1840	Will never block.
		1841
1399	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1400		1843
1401	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1847	fails, to the emergency map position.
1405		1848
1406	Might block.	1849	Might block.
1407		1850
1408	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
1409		1862
1410	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1864	my ($self) = @_;
1412		1865
1413	return if $self->map == $LINK_MAP;	1866	$self->deactivate_recursive;
1414		1867
		1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1869
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1871	if $self->map;
1417		1872
1418	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1874	}
1421		1875
1422	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1424		1878
1425	my $link_pos = delete $self->{_link_pos};	1879	my $link_pos = delete $self->{_link_pos};
1426		1880
1427	unless ($map) {	1881	unless ($map) {
1428	# restore original map position	1882	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1883	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1884	$map = cf::map::find $map;
1431		1885
1432	unless ($map) {	1886	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1887	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1888	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1889	or die "FATAL: cannot load emergency map\n";
1436	}	1890	}
1437	}	1891	}
1438		1892
1439	($x, $y) = (-1, -1)	1893	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1896	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1897	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1898	if $x <=0 && $y <= 0;
1445		1899
1446	$map->load;	1900	$map->load;
		1901	$map->load_diag;
1447		1902
		1903	return unless $self->contr->active;
1448	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1450	}	1908	}
1451		1909
		1910	cf::player->attach (
		1911	on_logout => sub {
		1912	my ($pl) = @_;
		1913
		1914	# abort map switching before logout
		1915	if ($pl->ob->{_link_pos}) {
		1916	cf::sync_job {
		1917	$pl->ob->leave_link
		1918	};
		1919	}
		1920	},
		1921	on_login => sub {
		1922	my ($pl) = @_;
		1923
		1924	# try to abort aborted map switching on player login :)
		1925	# should happen only on crashes
		1926	if ($pl->ob->{_link_pos}) {
		1927	$pl->ob->enter_link;
		1928	(async {
		1929	$pl->ob->reply (undef,
		1930	"There was an internal problem at your last logout, "
		1931	. "the server will try to bring you to your intended destination in a second.",
		1932	cf::NDI_RED);
		1933	# we need this sleep as the login has a concurrent enter_exit running
		1934	# and this sleep increases chances of the player not ending up in scorn
		1935	Coro::Timer::sleep 1;
		1936	$pl->ob->leave_link;
		1937	})->prio (2);
		1938	}
		1939	},
		1940	);
		1941
1452	=item $player_object->goto_map ($path, $x, $y)	1942	=item $player_object->goto ($path, $x, $y)
1453		1943
1454	=cut	1944	=cut
1455		1945
1456	sub cf::object::player::goto_map {	1946	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1458		1948
1459	$self->enter_link;	1949	$self->enter_link;
1460		1950
1461	(Coro::async {	1951	(async {
1462	$path = new cf::path $path;	1952	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1953	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1466		1955	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1958
1472	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1960	})->prio (1);
1474	}	1961	}
1475		1962
…		…
1479		1966
1480	sub parse_random_map_params {	1967	sub parse_random_map_params {
1481	my ($spec) = @_;	1968	my ($spec) = @_;
1482		1969
1483	my $rmp = { # defaults	1970	my $rmp = { # defaults
1484	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1486	};	1975	};
1487		1976
1488	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1490		1979
…		…
1494	$rmp	1983	$rmp
1495	}	1984	}
1496		1985
1497	sub prepare_random_map {	1986	sub prepare_random_map {
1498	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1990
1500	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1993	# that depends on the exit object
1503		1994
1504	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1505		1996
1506	if ($exit->map) {	1997	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1511	}	2002	}
1512		2003
1513	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1514		2005
1515	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1517		2009
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1520		2014
1521	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	2016	$exit->msg (undef);
1523	}	2017	}
1524	}	2018	}
…		…
1526	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1528		2022
1529	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
1530		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
		2035
1531	$self->enter_link;	2036	$self->enter_link;
1532		2037
1533	(Coro::async {	2038	(async {
		2039	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	2040	unless (eval {
1535		2041	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		2042
1542	1;	2043	1;
1543	}) {	2044	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	2047	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2049
1549	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2051	$self->leave_link;
1551	}	2052	}
1552	})->prio (1);	2053	})->prio (1);
…		…
1565		2066
1566	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1568		2069
1569	utf8::encode $text;	2070	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2072	}
1572		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1573		2086
1574	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1575		2088
1576	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1602	on_reply => sub {	2115	on_reply => sub {
1603	my ($ns, $msg) = @_;	2116	my ($ns, $msg) = @_;
1604		2117
1605	# this weird shuffling is so that direct followup queries	2118	# this weird shuffling is so that direct followup queries
1606	# get handled first	2119	# get handled first
1607	my $queue = delete $ns->{query_queue};	2120	my $queue = delete $ns->{query_queue}
		2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2122
1609	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2125
1611	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1612		2127
1613	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2129	if (@$queue) {
…		…
1618	}	2133	}
1619	}	2134	}
1620	},	2135	},
1621	);	2136	);
1622		2137
1623	=item $client->coro (\&cb)	2138	=item $client->async (\&cb)
1624		2139
1625	Create a new coroutine, running the specified callback. The coroutine will	2140	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2141	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2142	or loss of connection).
1628		2143
1629	=cut	2144	=cut
1630		2145
1631	sub cf::client::coro {	2146	sub cf::client::async {
1632	my ($self, $cb) = @_;	2147	my ($self, $cb) = @_;
1633		2148
1634	my $coro; $coro = async {	2149	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2150
1641	$coro->on_destroy (sub {	2151	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2152	delete $self->{_coro}{$coro+0};
1643	});	2153	});
1644		2154
…		…
1677		2187
1678	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
1679		2189
1680	=pod	2190	=pod
1681		2191
1682	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
1683		2193
1684	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2195	cf::object::player player
1686	cf::player peaceful	2196	cf::player peaceful
1687	cf::map trigger	2197	cf::map trigger
…		…
1772	#############################################################################	2282	#############################################################################
1773		2283
1774	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
1775		2285
1776	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
1777	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1778	excludes objects.	2288	convert to/from binary).
1779		2289
1780	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2291	using it, it should be unique.
1782		2292
1783	=over 4	2293	=over 4
1784		2294
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
1792		2296
1793	Returns a single value from the database	2297	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2298
1800	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
1801		2300
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2302
1813	=cut	2303	=cut
1814		2304
1815	our $DB;	2305	our $DB;
1816		2306
1817	{	2307	sub db_init {
1818	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
1819		2310
1820	sub db_load() {	2311	cf::sync_job {
1821	warn "loading database $path\n";#d# remove later	2312	eval {
1822	$DB = stat $path ? Storable::retrieve $path : { };	2313	$DB->set_flags (BDB::CHKSUM);
1823	}
1824		2314
1825	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1826		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1827	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
1828	warn "saving database $path\n";#d# remove later	2318	};
1829	waitpid $pid, 0 if $pid;	2319	cf::cleanup "db_open(db): $@" if $@;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2320	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});	2321	}
		2322	}
1848		2323
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {	2324	sub db_get($$) {
1855	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
1860	sub db_put($$;$) {	2335	sub db_put($$$) {
1861	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
1862	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1863	} else {	2338	}
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868		2339
1869	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
1870	prio => 10000,	2341
1871	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
1872	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
1873	},	2372	}
1874	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
1875	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
1876		2454
1877	#############################################################################	2455	#############################################################################
1878	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
1879		2544
1880	sub cfg_load {	2545	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
1882	or return;	2547	or return;
1883		2548
1884	local $/;	2549	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
		2551
		2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2553
		2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2556
		2557	if (exists $CFG{mlockall}) {
		2558	eval {
		2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2560	and die "WARNING: m(un)lockall failed: $!\n";
		2561	};
		2562	warn $@ if $@;
		2563	}
1886	}	2564	}
1887		2565
1888	sub main {	2566	sub main {
1889	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2570	(async {
1893	Event::one_event;	2571	Event::one_event;
1894	})->();	2572	})->prio (Coro::PRIO_MAX);
1895	};	2573	};
1896		2574
1897	cfg_load;	2575	cfg_load;
1898	db_load;	2576	db_init;
1899	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
1900	Event::loop;	2580	Event::loop;
1901	}	2581	}
1902		2582
1903	#############################################################################	2583	#############################################################################
1904	# initialisation	2584	# initialisation and cleanup
1905		2585
		2586	# install some emergency cleanup handlers
		2587	BEGIN {
		2588	for my $signal (qw(INT HUP TERM)) {
		2589	Event->signal (
		2590	reentrant => 0,
		2591	data => WF_AUTOCANCEL,
		2592	signal => $signal,
		2593	prio => 0,
		2594	cb => sub {
		2595	cf::cleanup "SIG$signal";
		2596	},
		2597	);
		2598	}
		2599	}
		2600
		2601	sub emergency_save() {
		2602	my $freeze_guard = cf::freeze_mainloop;
		2603
		2604	warn "enter emergency perl save\n";
		2605
		2606	cf::sync_job {
		2607	# use a peculiar iteration method to avoid tripping on perl
		2608	# refcount bugs in for. also avoids problems with players
		2609	# and maps saved/destroyed asynchronously.
		2610	warn "begin emergency player save\n";
		2611	for my $login (keys %cf::PLAYER) {
		2612	my $pl = $cf::PLAYER{$login} or next;
		2613	$pl->valid or next;
		2614	$pl->save;
		2615	}
		2616	warn "end emergency player save\n";
		2617
		2618	warn "begin emergency map save\n";
		2619	for my $path (keys %cf::MAP) {
		2620	my $map = $cf::MAP{$path} or next;
		2621	$map->valid or next;
		2622	$map->save;
		2623	}
		2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
		2629	};
		2630
		2631	warn "leave emergency perl save\n";
		2632	}
		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
1906	sub reload() {	2641	sub do_reload_perl() {
1907	# can/must only be called in main	2642	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
1910	return;	2645	return;
1911	}	2646	}
1912		2647
1913	warn "reloading...";	2648	warn "reloading...";
1914		2649
1915	local $FREEZE = 1;	2650	warn "entering sync_job";
		2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
1917		2656
1918	eval {	2657	warn "syncing database to disk";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659
1919	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
1920		2661
1921	# cancel all watchers	2662	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2665	}
1925		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
1926	# cancel all extension coros	2678	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2680	%EXT_CORO = ();
1929		2681
1930	# unload all extensions	2682	warn "removing commands";
1931	for (@exts) {	2683	%COMMAND = ();
		2684
		2685	warn "removing ext commands";
		2686	%EXTCMD = ();
		2687
		2688	warn "unloading/nuking all extensions";
		2689	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2690	warn "... unloading $pkg";
1933	unload_extension $_;	2691
		2692	if (my $cb = $pkg->can ("unload")) {
		2693	eval {
		2694	$cb->($pkg);
		2695	1
		2696	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2697	}
1935		2698
		2699	warn "... nuking $pkg";
		2700	Symbol::delete_package $pkg;
		2701	}
		2702
1936	# unload all modules loaded from $LIBDIR	2703	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2706
1940	warn "removing <$k>";	2707	warn "... unloading $k";
1941	delete $INC{$k};	2708	delete $INC{$k};
1942		2709
1943	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
1945		2712
…		…
1948	}	2715	}
1949		2716
1950	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
1951	}	2718	}
1952		2719
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2720	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2723
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2724	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
1966		2727
1967	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2729	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
1970		2731
1971	# reload cf.pm	2732	warn "unload completed, starting to reload now";
		2733
1972	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
1973	require cf;	2735	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2737
1976	# load config and database again	2738	warn "loading config and database again";
1977	cf::cfg_load;	2739	cf::cfg_load;
1978	cf::db_load;
1979		2740
1980	# load extensions
1981	warn "load extensions";	2741	warn "loading extensions";
1982	cf::load_extensions;	2742	cf::load_extensions;
1983		2743
1984	# reattach attachments to objects	2744	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2745	_global_reattach; # objects, sockets
1986	_global_reattach;	2746	warn "reattaching attachments to maps";
1987	};	2747	reattach $_ for values %MAP;
		2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
1988		2750
1989	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
1990	warn $@;	2755	warn $@;
1991	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
1992	exit 1;	2757	exit 1;
1993	}	2758	};
1994		2759
1995	warn "reloaded successfully";	2760	warn "reloaded";
1996	};	2761	};
1997		2762
1998	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
1999		2764
2000	unless ($LINK_MAP) {	2765	sub reload_perl() {
2001	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
2002		2768
2003	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2004	$LINK_MAP->height (41);	2770	reentrant => 0,
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2013	cb => sub {	2773	cb => sub {
2014	$_[0]->w->cancel;	2774	do_reload_perl;
2015		2775	undef $RELOAD_WATCHER;
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});	2776	},
2034		2777	);
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}	2778	}
2040
2041	register "<global>", __PACKAGE__;
2042		2779
2043	register_command "reload" => sub {	2780	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2045		2782
2046	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");
2048	reload;
2049	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2050	}	2786	}
2051	};	2787	};
2052		2788
2053	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
2054		2813
2055	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2057	prio => 0,	2817	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2060	cb => sub {	2820	cb => sub {
2061	unless ($FREEZE) {	2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
		2827	$NOW = Event::time;
		2828
2062	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2063	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
		2833
		2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
2067		2844
2068	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2847
2071	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2073	},	2859	},
2074	);	2860	);
2075		2861
		2862	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2077		2864	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2865	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2080	poll => 'r',	2867	poll => 'r',
2081	prio => 5,	2868	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2088	after => 0,	2870	cb => \&BDB::poll_cb,
2089	interval => 10,	2871	);
2090	cb => sub {	2872	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2873
2092	write_runtime	2874	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2908	};
2095	},	2909	}
2096	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
		2929
		2930	END { cf::emergency_save }
2097		2931
2098	1	2932	1
2099		2933

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