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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use 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 ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # 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
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	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;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
63		98
64	binmode STDOUT;	99	binmode STDOUT;
65	binmode STDERR;	100	binmode STDERR;
66		101
67	# read virtual server time, if available	102	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
72	}	107	}
73		108
74	mkdir cf::localdir;	109	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		111
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
83		115
84	#############################################################################	116	#############################################################################
85		117
86	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
87		119
…		…
94	=item $cf::RUNTIME	126	=item $cf::RUNTIME
95		127
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	129	every server tick.
98		130
99	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		134
101	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
103		139
104	=item $cf::NOW	140	=item $cf::NOW
105		141
106	The time of the last (current) server tick.	142	The time of the last (current) server tick.
107		143
108	=item $cf::TICK	144	=item $cf::TICK
109		145
110	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
111		157
112	=item %cf::CFG	158	=item %cf::CFG
113		159
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	161	from wherever your confdir points to.
116		162
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		164
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		168
124	=back	169	=back
125		170
126	=cut	171	=cut
127		172
128	BEGIN {	173	BEGIN {
129	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	175	my $msg = join "", @_;
131	utf8::encode $msg;
132		176
133	$msg .= "\n"	177	$msg .= "\n"
134	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
135		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
136	LOG llevError, $msg;	183	LOG llevError, $msg;
137	};	184	};
138	}	185	}
139		186
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	234	$d
188	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
189	}	236	}
190		237
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		239
193	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
194		241
195	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
196		243
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
205		245
206	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		247
215	=item cf::lock_wait $string	248	=item cf::lock_wait $string
216		249
217	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
218		251
…		…
224	returned.	257	returned.
225		258
226	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
228		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
229	=cut	266	=cut
230		267
231	our %LOCK;	268	our %LOCK;
232		269
233	sub lock_wait($) {	270	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
254	}	291	}
255	}	292	}
256		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
257	sub freeze_mainloop {	300	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
259		302
260	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
261	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
262	$guard	307	$guard
263	}	308	}
264		309
265	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
287		332
288	sub sync_job(&) {	333	sub sync_job(&) {
289	my ($job) = @_;	334	my ($job) = @_;
290		335
291	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
292	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
294		341
295	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
307		354
308	while ($busy) {	355	while ($busy) {
309	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
310	}	357	}
311		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, "long sync job\n"
		362	if $time > $TICK * 0.5;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
312	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
313	} else {	367	} else {
314	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
315		369
316	$job->()	370	$job->()
…		…
336		390
337	$coro	391	$coro
338	}	392	}
339		393
340	sub write_runtime {	394	sub write_runtime {
341	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
342		405
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	407	or return;
345		408
		409	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	414	and return;
349		415
		416	# always fsync - this file is important
350	aio_fsync $fh	417	aio_fsync $fh
351	and return;	418	and return;
352		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
353	close $fh	423	close $fh
354	or return;	424	or return;
355		425
356	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
357	and return;	427	and return;
358		428
		429	warn "runtime file written.\n";#d#
		430
359	1	431	1
360	}	432	}
361		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
362	=back	445	=back
363		446
364	=cut	447	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		448
493	#############################################################################	449	#############################################################################
494		450
495	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
496		452
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	579	our @CB_MAP = ();
624		580
625	my %attachment;	581	my %attachment;
626		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
627	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
629		591
630	use sort 'stable';	592	use sort 'stable';
631		593
…		…
802	# object support	764	# object support
803		765
804	sub reattach {	766	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	767	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	768	my ($obj) = @_;
		769
		770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		771
808	my $registry = $obj->registry;	772	my $registry = $obj->registry;
809		773
810	@$registry = ();	774	@$registry = ();
811		775
…		…
858	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
859		823
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	828	close $fh;
865		829
866	if (@$objs) {	830	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	836	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
874	}	838	}
875	} else {	839	} else {
876	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
998	"package $pkg; use strict; use utf8;\n"	962	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	963	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	964	. (do { local $/; <$fh> })
1001	. "\n};\n1";	965	. "\n};\n1";
1002		966
1003	eval $source	967	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	968	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	969	: "extension disabled.\n";
		970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		971	warn $@;
		972	warn "mandatory extension failed to load, exiting.\n";
		973	exit 1;
		974	}
		975	die $@;
		976	}
1006		977
1007	push @EXTS, $pkg;	978	push @EXTS, $pkg;
1008	}	979	}
1009		980
1010	sub load_extensions {	981	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	987	} or warn "$ext not loaded: $@";
1017	}	988	}
1018	}	989	}
1019		990
1020	#############################################################################	991	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		992
1036	=head2 CORE EXTENSIONS	993	=head2 CORE EXTENSIONS
1037		994
1038	Functions and methods that extend core crossfire objects.	995	Functions and methods that extend core crossfire objects.
1039		996
…		…
1052	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
1053		1010
1054	=cut	1011	=cut
1055		1012
1056	sub playerdir($) {	1013	sub playerdir($) {
1057	cf::localdir	1014	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1016	}
1063		1017
1064	sub path($) {	1018	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1020
1067	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
1068	}	1022	}
1069		1023
1070	sub find_active($) {	1024	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
1075		1029
1076	sub exists($) {	1030	sub exists($) {
1077	my ($login) = @_;	1031	my ($login) = @_;
1078		1032
1079	$cf::PLAYER{$login}	1033	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1034	or cf::sync_job { !aio_stat path $login }
1081	}	1035	}
1082		1036
1083	sub find($) {	1037	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1038	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1039	my $login = $_[0];
1086		1040
1087	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
1088		1042
1089	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
1090	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
1091	or return;	1052	or return;
1092	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
1093	}	1054	}
1094	}	1055	}
…		…
1131		1092
1132	=cut	1093	=cut
1133		1094
1134	sub quit_character {	1095	sub quit_character {
1135	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1136		1099
1137	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1102
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1150	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1151	}	1134	}
1152		1135
1153	=item cf::player::list_logins	1136	=item cf::player::list_logins
1154		1137
1155	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1157		1140
1158	=cut	1141	=cut
1159		1142
1160	sub list_logins {	1143	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1145	or return [];
1163		1146
1164	my @logins;	1147	my @logins;
1165		1148
1166	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1175	\@logins	1158	\@logins
1176	}	1159	}
1177		1160
1178	=item $player->maps	1161	=item $player->maps
1179		1162
1180	Returns an arrayref of cf::path's of all maps that are private for this	1163	Returns an arrayref of map paths that are private for this
1181	player. May block.	1164	player. May block.
1182		1165
1183	=cut	1166	=cut
1184		1167
1185	sub maps($) {	1168	sub maps($) {
1186	my ($pl) = @_;	1169	my ($pl) = @_;
		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1172
1188	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1189	or return;	1174	or return;
1190		1175
1191	my @paths;	1176	my @paths;
…		…
1193	for (@$files) {	1178	for (@$files) {
1194	utf8::decode $_;	1179	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1197		1182
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1183	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1184	}
1200		1185
1201	\@paths	1186	\@paths
1202	}	1187	}
1203		1188
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1205		1190
1206	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1207		1192
1208	=cut	1193	=cut
1209		1194
1210	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1212		1197
1213	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1214		1199
1215	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1216	}	1201	}
1217		1202
1218	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1219		1243
1220	=back	1244	=back
1221
1222		1245
1223	=head3 cf::map	1246	=head3 cf::map
1224		1247
1225	=over 4	1248	=over 4
1226		1249
…		…
1229	package cf::map;	1252	package cf::map;
1230		1253
1231	use Fcntl;	1254	use Fcntl;
1232	use Coro::AIO;	1255	use Coro::AIO;
1233		1256
		1257	use overload
		1258	'""' => \&as_string,
		1259	fallback => 1;
		1260
1234	our $MAX_RESET = 3600;	1261	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1262	our $DEFAULT_RESET = 3000;
1236		1263
1237	sub generate_random_map {	1264	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1265	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1266	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1267	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1271	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1272	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1278	(cf::region::find $rmp->{region}), $rmp->{custom}
		1279	)
		1280	}
		1281
		1282	=item cf::map->register ($regex, $prio)
		1283
		1284	Register a handler for the map path matching the given regex at the
		1285	givne priority (higher is better, built-in handlers have priority 0, the
		1286	default).
		1287
		1288	=cut
		1289
		1290	sub register {
		1291	my (undef, $regex, $prio) = @_;
		1292	my $pkg = caller;
		1293
		1294	no strict;
		1295	push @{"$pkg\::ISA"}, __PACKAGE__;
		1296
		1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1298	}
		1299
		1300	# also paths starting with '/'
		1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1302
		1303	sub thawer_merge {
		1304	my ($self, $merge) = @_;
		1305
		1306	# we have to keep some variables in memory intact
		1307	local $self->{path};
		1308	local $self->{load_path};
		1309	local $self->{deny_save};
		1310	local $self->{deny_reset};
		1311
		1312	$self->SUPER::thawer_merge ($merge);
		1313	}
		1314
		1315	sub normalise {
		1316	my ($path, $base) = @_;
		1317
		1318	$path = "$path"; # make sure its a string
		1319
		1320	$path =~ s/\.map$//;
		1321
		1322	# map plan:
		1323	#
		1324	# /! non-realised random map exit (special hack!)
		1325	# {... are special paths that are not being touched
		1326	# ?xxx/... are special absolute paths
		1327	# ?random/... random maps
		1328	# /... normal maps
		1329	# ~user/... per-player map of a specific user
		1330
		1331	$path =~ s/$PATH_SEP/\//go;
		1332
		1333	# treat it as relative path if it starts with
		1334	# something that looks reasonable
		1335	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1336	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1337
		1338	$base =~ s{[^/]+/?$}{};
		1339	$path = "$base/$path";
		1340	}
		1341
		1342	for ($path) {
		1343	redo if s{//}{/};
		1344	redo if s{/\.?/}{/};
		1345	redo if s{/[^/]+/\.\./}{/};
		1346	}
		1347
		1348	$path
		1349	}
		1350
		1351	sub new_from_path {
		1352	my (undef, $path, $base) = @_;
		1353
		1354	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1355
		1356	$path = normalise $path, $base;
		1357
		1358	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1359	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1360	my $self = bless cf::map::new, $pkg;
		1361	$self->{path} = $path; $self->path ($path);
		1362	$self->init; # pass $1 etc.
		1363	return $self;
		1364	}
		1365	}
		1366
		1367	Carp::carp "unable to resolve path '$path' (base '$base').";
		1368	()
		1369	}
		1370
		1371	sub init {
		1372	my ($self) = @_;
		1373
		1374	$self
		1375	}
		1376
		1377	sub as_string {
		1378	my ($self) = @_;
		1379
		1380	"$self->{path}"
		1381	}
		1382
		1383	# the displayed name, this is a one way mapping
		1384	sub visible_name {
		1385	&as_string
		1386	}
		1387
		1388	# the original (read-only) location
		1389	sub load_path {
		1390	my ($self) = @_;
		1391
		1392	"$MAPDIR/$self->{path}.map"
		1393	}
		1394
		1395	# the temporary/swap location
		1396	sub save_path {
		1397	my ($self) = @_;
		1398
		1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1400	"$TMPDIR/$path.map"
		1401	}
		1402
		1403	# the unique path, undef == no special unique path
		1404	sub uniq_path {
		1405	my ($self) = @_;
		1406
		1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1408	"$UNIQUEDIR/$path"
1254	}	1409	}
1255		1410
1256	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1257	# all maps in C++...	1412	# all maps in C++...
1258	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1260		1415
1261	$_->change_map_light ($change)	1416	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1417	for grep $_->outdoor, values %cf::MAP;
1263	}	1418	}
1264		1419
		1420	sub unlink_save {
		1421	my ($self) = @_;
		1422
		1423	utf8::encode (my $save = $self->save_path);
		1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1426	}
		1427
1265	sub try_load_header($) {	1428	sub load_header_from($) {
1266	my ($path) = @_;	1429	my ($self, $path) = @_;
1267		1430
1268	utf8::encode $path;	1431	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
		1433	# or return;
		1434
		1435	$self->_load_header ($path)
1270	or return;	1436	or return;
1271		1437
1272	my $map = cf::map::new	1438	$self->{load_path} = $path;
		1439
		1440	1
		1441	}
		1442
		1443	sub load_header_orig {
		1444	my ($self) = @_;
		1445
		1446	$self->load_header_from ($self->load_path)
		1447	}
		1448
		1449	sub load_header_temp {
		1450	my ($self) = @_;
		1451
		1452	$self->load_header_from ($self->save_path)
		1453	}
		1454
		1455	sub prepare_temp {
		1456	my ($self) = @_;
		1457
		1458	$self->last_access ((delete $self->{last_access})
		1459	|| $cf::RUNTIME); #d#
		1460	# safety
		1461	$self->{instantiate_time} = $cf::RUNTIME
		1462	if $self->{instantiate_time} > $cf::RUNTIME;
		1463	}
		1464
		1465	sub prepare_orig {
		1466	my ($self) = @_;
		1467
		1468	$self->{load_original} = 1;
		1469	$self->{instantiate_time} = $cf::RUNTIME;
		1470	$self->last_access ($cf::RUNTIME);
		1471	$self->instantiate;
		1472	}
		1473
		1474	sub load_header {
		1475	my ($self) = @_;
		1476
		1477	if ($self->load_header_temp) {
		1478	$self->prepare_temp;
		1479	} else {
		1480	$self->load_header_orig
1273	or return;	1481	or return;
		1482	$self->prepare_orig;
		1483	}
1274		1484
1275	# for better error messages only, will be overwritten	1485	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1486	unless $self->default_region;
1277		1487
1278	$map->load_header ($path)	1488	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1489	}
1285		1490
1286	sub find;	1491	sub find;
1287	sub find {	1492	sub find {
1288	my ($path, $origin) = @_;	1493	my ($path, $origin) = @_;
1289		1494
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1495	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1496
1295	cf::lock_wait "map_find:$key";	1497	cf::lock_wait "map_find:$path";
1296		1498
1297	$cf::MAP{$key} || do {	1499	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1500	my $guard = cf::lock_acquire "map_find:$path";
1299		1501	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1502	or return;
1319		1503
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1504	$map->{last_save} = $cf::RUNTIME;
1332		1505
1333	Coro::cede;	1506	$map->load_header
		1507	or return;
1334		1508
1335	if ($map->should_reset) {	1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1510	# doing this can freeze the server in a sync job, obviously
		1511	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1512	$map->reset;
1337	undef $guard;	1513	undef $guard;
1338	$map = find $path	1514	return find $path;
1339	or return;
1340	}	1515	}
1341		1516
1342	$cf::MAP{$key} = $map	1517	$cf::MAP{$path} = $map
1343	}	1518	}
1344	}	1519	}
		1520
		1521	sub pre_load { }
		1522	sub post_load { }
1345		1523
1346	sub load {	1524	sub load {
1347	my ($self) = @_;	1525	my ($self) = @_;
1348		1526
		1527	local $self->{deny_reset} = 1; # loading can take a long time
		1528
1349	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1532	my $guard = cf::lock_acquire "map_load:$path";
1351		1533
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1535
1354	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1355		1537
1356	$self->alloc;	1538	$self->alloc;
		1539
		1540	$self->pre_load;
		1541	Coro::cede;
		1542
1357	$self->load_objects ($self->{load_path}, 1)	1543	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1544	or return;
1359		1545
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1547	if delete $self->{load_original};
1362		1548
1363	if (my $uniq = $path->uniq_path) {	1549	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1550	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1551	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1552	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1553	$self->_load_objects ($uniq, 0);
1368	}	1554	}
1369	}	1555	}
1370		1556
1371	Coro::cede;	1557	Coro::cede;
1372
1373	# now do the right thing for maps	1558	# now do the right thing for maps
1374	$self->link_multipart_objects;	1559	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1561	unless $self->difficulty;
		1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1386	$self->activate;	1571	$self->activate;
1387	}	1572	}
1388		1573
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1574	$self->in_memory (cf::MAP_IN_MEMORY);
		1575	}
		1576
		1577	$self->post_load;
		1578	}
		1579
		1580	sub customise_for {
		1581	my ($self, $ob) = @_;
		1582
		1583	return find "~" . $ob->name . "/" . $self->{path}
		1584	if $self->per_player;
		1585
		1586	$self
1392	}	1587	}
1393		1588
1394	# find and load all maps in the 3x3 area around a map	1589	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1590	sub load_diag {
1396	my ($map) = @_;	1591	my ($map) = @_;
…		…
1426		1621
1427	cf::sync_job { $map->load };	1622	cf::sync_job { $map->load };
1428	}	1623	}
1429		1624
1430	our %MAP_PREFETCH;	1625	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1626	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1627
1446	sub find_async {	1628	sub find_async {
1447	my ($path, $origin) = @_;	1629	my ($path, $origin) = @_;
1448		1630
1449	$path = new cf::path $path, $origin && $origin->path;	1631	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1632
1452	if (my $map = $cf::MAP{$key}) {	1633	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1635	}
1455		1636
1456	$MAP_PREFETCH{$key} = $path;	1637	undef $MAP_PREFETCH{$path};
		1638	$MAP_PREFETCHER ||= cf::async {
		1639	while (%MAP_PREFETCH) {
		1640	for my $path (keys %MAP_PREFETCH) {
		1641	my $map = find $path
		1642	or next;
		1643	$map->load;
		1644
		1645	delete $MAP_PREFETCH{$path};
		1646	}
		1647	}
		1648	undef $MAP_PREFETCHER;
		1649	};
1457	$MAP_PREFETCHER->ready;	1650	$MAP_PREFETCHER->prio (6);
1458		1651
1459	()	1652	()
1460	}	1653	}
1461		1654
1462	sub save {	1655	sub save {
…		…
1466		1659
1467	$self->{last_save} = $cf::RUNTIME;	1660	$self->{last_save} = $cf::RUNTIME;
1468		1661
1469	return unless $self->dirty;	1662	return unless $self->dirty;
1470		1663
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1664	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1665	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1666
1474	$self->{load_path} = $save;	1667	$self->{load_path} = $save;
1475		1668
1476	return if $self->{deny_save};	1669	return if $self->{deny_save};
1477		1670
…		…
1480	cf::async {	1673	cf::async {
1481	$_->contr->save for $self->players;	1674	$_->contr->save for $self->players;
1482	};	1675	};
1483		1676
1484	if ($uniq) {	1677	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1680	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1682	}
1490	}	1683	}
1491		1684
1492	sub swap_out {	1685	sub swap_out {
1493	my ($self) = @_;	1686	my ($self) = @_;
…		…
1507		1700
1508	sub reset_at {	1701	sub reset_at {
1509	my ($self) = @_;	1702	my ($self) = @_;
1510		1703
1511	# TODO: safety, remove and allow resettable per-player maps	1704	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1706	return 1e99 if $self->{deny_reset};
1514		1707
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1710
…		…
1522	my ($self) = @_;	1715	my ($self) = @_;
1523		1716
1524	$self->reset_at <= $cf::RUNTIME	1717	$self->reset_at <= $cf::RUNTIME
1525	}	1718	}
1526		1719
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1720	sub reset {
1549	my ($self) = @_;	1721	my ($self) = @_;
1550		1722
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1723	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1724
1553	return if $self->players;	1725	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1555		1727
1556	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1557		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1558	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
		1741
		1742	$self->clear;
1559		1743
1560	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1561		1745
1562	$self->unlink_save;	1746	$self->unlink_save;
1563	$self->destroy;	1747	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1750	my $nuke_counter = "aaaa";
1567		1751
1568	sub nuke {	1752	sub nuke {
1569	my ($self) = @_;	1753	my ($self) = @_;
1570		1754
		1755	delete $cf::MAP{$self->path};
		1756
		1757	$self->unlink_save;
		1758
		1759	bless $self, "cf::map";
		1760	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1761	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1762	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1764
		1765	$cf::MAP{$self->path} = $self;
		1766
1574	$self->reset; # polite request, might not happen	1767	$self->reset; # polite request, might not happen
1575	}	1768	}
1576		1769
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1770	=item cf::map::unique_maps
1588		1771
1589	Returns an arrayref of cf::path's of all shared maps that have	1772	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1773	instantiated unique items. May block.
1591		1774
1592	=cut	1775	=cut
1593		1776
1594	sub unique_maps() {	1777	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1779	or return;
1597		1780
1598	my @paths;	1781	my @paths;
1599		1782
1600	for (@$files) {	1783	for (@$files) {
1601	utf8::decode $_;	1784	utf8::decode $_;
1602	next if /\.pst$/;	1785	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1604		1787
1605	push @paths, new cf::path $_;	1788	push @paths, cf::map::normalise $_;
1606	}	1789	}
1607		1790
1608	\@paths	1791	\@paths
1609	}	1792	}
1610		1793
…		…
1685		1868
1686	=item $player_object->enter_link	1869	=item $player_object->enter_link
1687		1870
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1871	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1872
1690	The player should be reaosnably safe there for short amounts of time. You	1873	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1874	I<MUST> call C<leave_link> as soon as possible, though.
1692		1875
		1876	Will never block.
		1877
1693	=item $player_object->leave_link ($map, $x, $y)	1878	=item $player_object->leave_link ($map, $x, $y)
1694		1879
1695	Moves the player out of the specila link map onto the given map. If the	1880	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1881	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1882	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1883	fails, to the emergency map position.
1699		1884
1700	Might block.	1885	Might block.
1701		1886
1702	=cut	1887	=cut
		1888
		1889	sub link_map {
		1890	unless ($LINK_MAP) {
		1891	$LINK_MAP = cf::map::find "{link}"
		1892	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1893	$LINK_MAP->load;
		1894	}
		1895
		1896	$LINK_MAP
		1897	}
1703		1898
1704	sub cf::object::player::enter_link {	1899	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1900	my ($self) = @_;
1706		1901
1707	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1708		1903
1709	return if $self->map == $LINK_MAP;	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1905
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1907	if $self->map;
1713		1908
1714	$self->enter_map ($LINK_MAP, 20, 20);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1910	}
1716		1911
1717	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
1719		1914
…		…
1741	$map->load;	1936	$map->load;
1742	$map->load_diag;	1937	$map->load_diag;
1743		1938
1744	return unless $self->contr->active;	1939	return unless $self->contr->active;
1745	$self->activate_recursive;	1940	$self->activate_recursive;
		1941
		1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1943	$self->enter_map ($map, $x, $y);
1747	}	1944	}
1748		1945
1749	cf::player->attach (	1946	cf::player->attach (
1750	on_logout => sub {	1947	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1960	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1961	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1962	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1963	$pl->ob->enter_link;
1767	(async {	1964	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1965	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1966	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1967	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1968	cf::NDI_RED);
		1969	# we need this sleep as the login has a concurrent enter_exit running
		1970	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1971	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1972	$pl->ob->leave_link;
1776	})->prio (2);	1973	})->prio (2);
1777	}	1974	}
1778	},	1975	},
…		…
1783	=cut	1980	=cut
1784		1981
1785	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y) = @_;
1787		1984
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1985	$self->enter_link;
1791		1986
1792	(async {	1987	(async {
		1988	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1989	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1990	$map = $map->customise_for ($self) if $map;
1795		1991	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1992	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1994
1801	$self->leave_link ($map, $x, $y);	1995	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1996	})->prio (1);
1803	}	1997	}
1804		1998
…		…
1808		2002
1809	sub parse_random_map_params {	2003	sub parse_random_map_params {
1810	my ($spec) = @_;	2004	my ($spec) = @_;
1811		2005
1812	my $rmp = { # defaults	2006	my $rmp = { # defaults
1813	xsize => 10,	2007	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2008	ysize => (cf::rndm 15, 40),
		2009	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2010	#layout => string,
1815	};	2011	};
1816		2012
1817	for (split /\n/, $spec) {	2013	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2014	my ($k, $v) = split /\s+/, $_, 2;
1819		2015
…		…
1823	$rmp	2019	$rmp
1824	}	2020	}
1825		2021
1826	sub prepare_random_map {	2022	sub prepare_random_map {
1827	my ($exit) = @_;	2023	my ($exit) = @_;
		2024
		2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2026
1829	# all this does is basically replace the /! path by	2027	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2028	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2029	# that depends on the exit object
1832		2030
1833	my $rmp = parse_random_map_params $exit->msg;	2031	my $rmp = parse_random_map_params $exit->msg;
1834		2032
1835	if ($exit->map) {	2033	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2034	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2035	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2036	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2037	$rmp->{origin_y} = $exit->y;
1840	}	2038	}
1841		2039
1842	$rmp->{random_seed} ||= $exit->random_seed;	2040	$rmp->{random_seed} ||= $exit->random_seed;
1843		2041
1844	my $data = cf::to_json $rmp;	2042	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2043	my $md5 = Digest::MD5::md5_hex $data;
		2044	my $meta = "$RANDOMDIR/$md5.meta";
1846		2045
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2047	aio_write $fh, 0, (length $data), $data, 0;
		2048	undef $fh;
		2049	aio_rename "$meta~", $meta;
1849		2050
1850	$exit->slaying ("?random/$md5");	2051	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2052	$exit->msg (undef);
1852	}	2053	}
1853	}	2054	}
1854		2055
1855	sub cf::object::player::enter_exit {	2056	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2057	my ($self, $exit) = @_;
1857		2058
1858	return unless $self->type == cf::PLAYER;	2059	return unless $self->type == cf::PLAYER;
		2060
		2061	if ($exit->slaying eq "/!") {
		2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2063	# the problem is that $exit might not survive long enough
		2064	# so it needs to be done right now, right here
		2065	cf::sync_job { prepare_random_map $exit };
		2066	}
		2067
		2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2069	my $hp = $exit->stats->hp;
		2070	my $sp = $exit->stats->sp;
1859		2071
1860	$self->enter_link;	2072	$self->enter_link;
1861		2073
1862	(async {	2074	(async {
1863	$self->deactivate_recursive; # just to be sure	2075	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2076	unless (eval {
1865	prepare_random_map $exit	2077	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2078
1871	1;	2079	1;
1872	}) {	2080	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2081	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2082	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2083	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2084	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2085
1878	warn "ERROR in enter_exit: $@";	2086	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2087	$self->leave_link;
1880	}	2088	}
1881	})->prio (1);	2089	})->prio (1);
…		…
1894		2102
1895	sub cf::client::send_drawinfo {	2103	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2104	my ($self, $text, $flags) = @_;
1897		2105
1898	utf8::encode $text;	2106	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2108	}
1901		2109
		2110	=item $client->ext_event ($type, %msg)
		2111
		2112	Sends an exti event to the client.
		2113
		2114	=cut
		2115
		2116	sub cf::client::ext_event($$%) {
		2117	my ($self, $type, %msg) = @_;
		2118
		2119	$msg{msgtype} = "event_$type";
		2120	$self->send_packet ("ext " . cf::to_json \%msg);
		2121	}
1902		2122
1903	=item $success = $client->query ($flags, "text", \&cb)	2123	=item $success = $client->query ($flags, "text", \&cb)
1904		2124
1905	Queues a query to the client, calling the given callback with	2125	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2155	# get handled first
1936	my $queue = delete $ns->{query_queue}	2156	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2157	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2158
1939	(shift @$queue)->[1]->($msg);	2159	(shift @$queue)->[1]->($msg);
		2160	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2161
1941	push @{ $ns->{query_queue} }, @$queue;	2162	push @{ $ns->{query_queue} }, @$queue;
1942		2163
1943	if (@{ $ns->{query_queue} } == @$queue) {	2164	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2165	if (@$queue) {
…		…
2002		2223
2003	# here we export the classes and methods available to script code	2224	# here we export the classes and methods available to script code
2004		2225
2005	=pod	2226	=pod
2006		2227
2007	The following fucntions and emthods are available within a safe environment:	2228	The following functions and methods are available within a safe environment:
2008		2229
2009	cf::object contr pay_amount pay_player map	2230	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2231	cf::object::player player
2011	cf::player peaceful	2232	cf::player peaceful
2012	cf::map trigger	2233	cf::map trigger
…		…
2097	#############################################################################	2318	#############################################################################
2098		2319
2099	=head2 EXTENSION DATABASE SUPPORT	2320	=head2 EXTENSION DATABASE SUPPORT
2100		2321
2101	Crossfire maintains a very simple database for extension use. It can	2322	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2324	convert to/from binary).
2104		2325
2105	The parameter C<$family> should best start with the name of the extension	2326	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2327	using it, it should be unique.
2107		2328
2108	=over 4	2329	=over 4
2109		2330
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2331	=item $value = cf::db_get $family => $key
2117		2332
2118	Returns a single value from the database	2333	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2334
2125	=item cf::db_put $family => $key => $value	2335	=item cf::db_put $family => $key => $value
2126		2336
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2337	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2338
2138	=cut	2339	=cut
2139		2340
2140	our $DB;	2341	our $DB;
2141		2342
2142	{	2343	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2344	unless ($DB) {
		2345	$DB = BDB::db_create $DB_ENV;
2144		2346
2145	sub db_load() {	2347	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2348	eval {
2147	}	2349	$DB->set_flags (BDB::CHKSUM);
2148		2350
2149	my $pid;	2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2353	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2354	};
2153	if (0 == ($pid = fork)) {	2355	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2356	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2357	}
		2358	}
2171		2359
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2360	sub db_get($$) {
2178	@_ >= 2	2361	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2362
		2363	cf::sync_job {
		2364	BDB::db_get $DB, undef, $key, my $data;
		2365
		2366	$! ? ()
		2367	: $data
		2368	}
		2369	}
		2370
2183	sub db_put($$;$) {	2371	sub db_put($$$) {
2184	if (@_ >= 3) {	2372	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2374	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2375
2192	cf::global->attach (	2376	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2377
2194	on_cleanup => sub {	2378	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2379	caching and regenerating as required.
		2380
		2381	This function can block.
		2382
		2383	=cut
		2384
		2385	sub cache {
		2386	my ($id, $src, $processversion, $process) = @_;
		2387
		2388	my $meta =
		2389	join "\x00",
		2390	$processversion,
		2391	map {
		2392	aio_stat $_
		2393	and Carp::croak "$_: $!";
		2394
		2395	($_, (stat _)[7,9])
		2396	} @$src;
		2397
		2398	my $dbmeta = db_get cache => "$id/meta";
		2399	if ($dbmeta ne $meta) {
		2400	# changed, we may need to process
		2401
		2402	my @data;
		2403	my $md5;
		2404
		2405	for (0 .. $#$src) {
		2406	0 <= aio_load $src->[$_], $data[$_]
		2407	or Carp::croak "$src->[$_]: $!";
2196	},	2408	}
2197	);	2409
		2410	# if processing is expensive, check
		2411	# checksum first
		2412	if (1) {
		2413	$md5 =
		2414	join "\x00",
		2415	$processversion,
		2416	map {
		2417	Coro::cede;
		2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2419	} 0.. $#$src;
		2420
		2421
		2422	my $dbmd5 = db_get cache => "$id/md5";
		2423	if ($dbmd5 eq $md5) {
		2424	db_put cache => "$id/meta", $meta;
		2425
		2426	return db_get cache => "$id/data";
		2427	}
		2428	}
		2429
		2430	my $t1 = Time::HiRes::time;
		2431	my $data = $process->(\@data);
		2432	my $t2 = Time::HiRes::time;
		2433
		2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2435
		2436	db_put cache => "$id/data", $data;
		2437	db_put cache => "$id/md5" , $md5;
		2438	db_put cache => "$id/meta", $meta;
		2439
		2440	return $data;
		2441	}
		2442
		2443	db_get cache => "$id/data"
2198	}	2444	}
		2445
		2446	=item fork_call { }, $args
		2447
		2448	Executes the given code block with the given arguments in a seperate
		2449	process, returning the results. Everything must be serialisable with
		2450	Coro::Storable. May, of course, block. Note that the executed sub may
		2451	never block itself or use any form of Event handling.
		2452
		2453	=cut
		2454
		2455	sub fork_call(&@) {
		2456	my ($cb, @args) = @_;
		2457
		2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2459	# or die "socketpair: $!";
		2460	pipe my $fh1, my $fh2
		2461	or die "pipe: $!";
		2462
		2463	if (my $pid = fork) {
		2464	close $fh2;
		2465
		2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2467	$res = Coro::Storable::thaw $res;
		2468
		2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2470
		2471	die $$res unless "ARRAY" eq ref $res;
		2472
		2473	return wantarray ? @$res : $res->[-1];
		2474	} else {
		2475	reset_signals;
		2476	local $SIG{__WARN__};
		2477	local $SIG{__DIE__};
		2478	eval {
		2479	close $fh1;
		2480
		2481	my @res = eval { $cb->(@args) };
		2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2483	};
		2484
		2485	warn $@ if $@;
		2486	_exit 0;
		2487	}
		2488	}
		2489
		2490
2199		2491
2200	#############################################################################	2492	#############################################################################
2201	# the server's main()	2493	# the server's init and main functions
		2494
		2495	sub load_facedata($) {
		2496	my ($path) = @_;
		2497
		2498	warn "loading facedata from $path\n";
		2499
		2500	my $facedata;
		2501	0 < aio_load $path, $facedata
		2502	or die "$path: $!";
		2503
		2504	$facedata = Coro::Storable::thaw $facedata;
		2505
		2506	$facedata->{version} == 2
		2507	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2508
		2509	{
		2510	my $faces = $facedata->{faceinfo};
		2511
		2512	while (my ($face, $info) = each %$faces) {
		2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2517	Coro::cede;
		2518	}
		2519
		2520	while (my ($face, $info) = each %$faces) {
		2521	next unless $info->{smooth};
		2522	my $idx = cf::face::find $face
		2523	or next;
		2524	if (my $smooth = cf::face::find $info->{smooth}) {
		2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2526	} else {
		2527	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2528	}
		2529	Coro::cede;
		2530	}
		2531	}
		2532
		2533	{
		2534	my $anims = $facedata->{animinfo};
		2535
		2536	while (my ($anim, $info) = each %$anims) {
		2537	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2538	Coro::cede;
		2539	}
		2540
		2541	cf::anim::invalidate_all; # d'oh
		2542	}
		2543
		2544	1
		2545	}
		2546
		2547	sub reload_regions {
		2548	load_resource_file "$MAPDIR/regions"
		2549	or die "unable to load regions file\n";
		2550	}
		2551
		2552	sub reload_facedata {
		2553	load_facedata "$DATADIR/facedata"
		2554	or die "unable to load facedata\n";
		2555	}
		2556
		2557	sub reload_archetypes {
		2558	load_resource_file "$DATADIR/archetypes"
		2559	or die "unable to load archetypes\n";
		2560	}
		2561
		2562	sub reload_treasures {
		2563	load_resource_file "$DATADIR/treasures"
		2564	or die "unable to load treasurelists\n";
		2565	}
		2566
		2567	sub reload_resources {
		2568	warn "reloading resource files...\n";
		2569
		2570	reload_regions;
		2571	reload_facedata;
		2572	reload_archetypes;
		2573	reload_treasures;
		2574
		2575	warn "finished reloading resource files\n";
		2576	}
		2577
		2578	sub init {
		2579	reload_resources;
		2580	}
2202		2581
2203	sub cfg_load {	2582	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2583	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2584	or return;
2206		2585
2207	local $/;	2586	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2587	*CFG = YAML::Syck::Load <$fh>;
2209		2588
…		…
2223		2602
2224	sub main {	2603	sub main {
2225	# we must not ever block the main coroutine	2604	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2605	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2607	(async {
2228	async { Event::one_event };	2608	Event::one_event;
		2609	})->prio (Coro::PRIO_MAX);
2229	};	2610	};
2230		2611
2231	cfg_load;	2612	cfg_load;
2232	db_load;	2613	db_init;
2233	load_extensions;	2614	load_extensions;
		2615
		2616	$TICK_WATCHER->start;
2234	Event::loop;	2617	Event::loop;
2235	}	2618	}
2236		2619
2237	#############################################################################	2620	#############################################################################
2238	# initialisation and cleanup	2621	# initialisation and cleanup
2239		2622
2240	# install some emergency cleanup handlers	2623	# install some emergency cleanup handlers
2241	BEGIN {	2624	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2625	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2626	Event->signal (
		2627	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2628	data => WF_AUTOCANCEL,
2245	signal => $signal,	2629	signal => $signal,
		2630	prio => 0,
2246	cb => sub {	2631	cb => sub {
2247	cf::cleanup "SIG$signal";	2632	cf::cleanup "SIG$signal";
2248	},	2633	},
2249	);	2634	);
2250	}	2635	}
2251	}	2636	}
…		…
2256	warn "enter emergency perl save\n";	2641	warn "enter emergency perl save\n";
2257		2642
2258	cf::sync_job {	2643	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2644	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2645	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2646	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2647	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2648	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2649	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2650	$pl->valid or next;
2266	$pl->save;	2651	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2657	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2658	$map->valid or next;
2274	$map->save;	2659	$map->save;
2275	}	2660	}
2276	warn "end emergency map save\n";	2661	warn "end emergency map save\n";
		2662
		2663	warn "begin emergency database checkpoint\n";
		2664	BDB::db_env_txn_checkpoint $DB_ENV;
		2665	warn "end emergency database checkpoint\n";
2277	};	2666	};
2278		2667
2279	warn "leave emergency perl save\n";	2668	warn "leave emergency perl save\n";
2280	}	2669	}
2281		2670
		2671	sub post_cleanup {
		2672	my ($make_core) = @_;
		2673
		2674	warn Carp::longmess "post_cleanup backtrace"
		2675	if $make_core;
		2676	}
		2677
2282	sub reload() {	2678	sub do_reload_perl() {
2283	# can/must only be called in main	2679	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2680	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2681	warn "can only reload from main coroutine";
2286	return;	2682	return;
2287	}	2683	}
2288		2684
2289	warn "reloading...";	2685	warn "reloading...";
2290		2686
2291	warn "freezing server";	2687	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2688
		2689	cf::sync_job {
		2690	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2691	cf::emergency_save;
		2692	cf::write_runtime; # external watchdog should not bark
2294		2693
2295	warn "sync database to disk";	2694	warn "syncing database to disk";
2296	cf::db_sync;	2695	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2696
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2697	# if anything goes wrong in here, we should simply crash as we already saved
2301		2698
2302	warn "cancel all watchers";	2699	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2700	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2702	}
2306		2703
		2704	warn "flushing outstanding aio requests";
		2705	for (;;) {
		2706	BDB::flush;
		2707	IO::AIO::flush;
		2708	Coro::cede;
		2709	last unless IO::AIO::nreqs || BDB::nreqs;
		2710	warn "iterate...";
		2711	}
		2712
		2713	++$RELOAD;
		2714
2307	warn "cancel all extension coros";	2715	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2716	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2717	%EXT_CORO = ();
2310		2718
2311	warn "remove commands";	2719	warn "removing commands";
2312	%COMMAND = ();	2720	%COMMAND = ();
2313		2721
2314	warn "remove ext commands";	2722	warn "removing ext commands";
2315	%EXTCMD = ();	2723	%EXTCMD = ();
2316		2724
2317	warn "unload/nuke all extensions";	2725	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2726	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2727	warn "... unloading $pkg";
2320		2728
2321	if (my $cb = $pkg->can ("unload")) {	2729	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2730	eval {
…		…
2327		2735
2328	warn "... nuking $pkg";	2736	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2737	Symbol::delete_package $pkg;
2330	}	2738	}
2331		2739
2332	warn "unload all perl modules loaded from $LIBDIR";	2740	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2741	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2743
2336	warn "removing <$k>";	2744	warn "... unloading $k";
2337	delete $INC{$k};	2745	delete $INC{$k};
2338		2746
2339	$k =~ s/\.pm$//;	2747	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2748	$k =~ s/\//::/g;
2341		2749
…		…
2344	}	2752	}
2345		2753
2346	Symbol::delete_package $k;	2754	Symbol::delete_package $k;
2347	}	2755	}
2348		2756
2349	warn "get rid of safe::, as good as possible";	2757	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2758	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2760
2353	warn "unload cf.pm \"a bit\"";	2761	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2762	delete $INC{"cf.pm"};
		2763	delete $INC{"cf/pod.pm"};
2355		2764
2356	# don't, removes xs symbols, too,	2765	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2766	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2767	#Symbol::delete_package __PACKAGE__;
2359		2768
		2769	warn "unload completed, starting to reload now";
		2770
2360	warn "reloading cf.pm";	2771	warn "reloading cf.pm";
2361	require cf;	2772	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2774
2364	warn "load config and database again";	2775	warn "loading config and database again";
2365	cf::cfg_load;	2776	cf::cfg_load;
2366	cf::db_load;
2367		2777
2368	warn "load extensions";	2778	warn "loading extensions";
2369	cf::load_extensions;	2779	cf::load_extensions;
2370		2780
2371	warn "reattach attachments to objects/players";	2781	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2782	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2783	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2784	reattach $_ for values %MAP;
2375	};	2785	warn "reattaching attachments to players";
		2786	reattach $_ for values %PLAYER;
2376		2787
2377	if ($@) {	2788	warn "leaving sync_job";
		2789
		2790	1
		2791	} or do {
2378	warn $@;	2792	warn $@;
2379	warn "error while reloading, exiting.";	2793	warn "error while reloading, exiting.";
2380	exit 1;	2794	exit 1;
2381	}	2795	};
2382		2796
2383	warn "reloaded";	2797	warn "reloaded";
2384	};	2798	};
2385		2799
2386	#############################################################################	2800	our $RELOAD_WATCHER; # used only during reload
2387		2801
2388	unless ($LINK_MAP) {	2802	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	2803	# doing reload synchronously and two reloads happen back-to-back,
		2804	# coro crashes during coro_state_free->destroy here.
2390		2805
2391	$LINK_MAP->width (41);	2806	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	2807	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	2808	after => 0,
		2809	data => WF_AUTOCANCEL,
2401	cb => sub {	2810	cb => sub {
2402	$_[0]->w->cancel;	2811	do_reload_perl;
2403		2812	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	2813	},
2422		2814	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	2815	}
2428		2816
2429	register_command "reload" => sub {	2817	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2818	my ($who, $arg) = @_;
2431		2819
2432	if ($who->flag (FLAG_WIZ)) {	2820	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	2821	$who->message ("reloading server.");
		2822	async { reload_perl };
2436	}	2823	}
2437	};	2824	};
2438		2825
2439	unshift @INC, $LIBDIR;	2826	unshift @INC, $LIBDIR;
		2827
		2828	my $bug_warning = 0;
		2829
		2830	our @WAIT_FOR_TICK;
		2831	our @WAIT_FOR_TICK_BEGIN;
		2832
		2833	sub wait_for_tick {
		2834	return unless $TICK_WATCHER->is_active;
		2835	return if $Coro::current == $Coro::main;
		2836
		2837	my $signal = new Coro::Signal;
		2838	push @WAIT_FOR_TICK, $signal;
		2839	$signal->wait;
		2840	}
		2841
		2842	sub wait_for_tick_begin {
		2843	return unless $TICK_WATCHER->is_active;
		2844	return if $Coro::current == $Coro::main;
		2845
		2846	my $signal = new Coro::Signal;
		2847	push @WAIT_FOR_TICK_BEGIN, $signal;
		2848	$signal->wait;
		2849	}
2440		2850
2441	$TICK_WATCHER = Event->timer (	2851	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2852	reentrant => 0,
		2853	parked => 1,
2443	prio => 0,	2854	prio => 0,
2444	at => $NEXT_TICK || $TICK,	2855	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	2856	data => WF_AUTOCANCEL,
2446	cb => sub {	2857	cb => sub {
		2858	if ($Coro::current != $Coro::main) {
		2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2860	unless ++$bug_warning > 10;
		2861	return;
		2862	}
		2863
		2864	$NOW = $tick_start = Event::time;
		2865
2447	cf::server_tick; # one server iteration	2866	cf::server_tick; # one server iteration
		2867
2448	$RUNTIME += $TICK;	2868	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	2869	$NEXT_TICK += $TICK;
2450		2870
2451	$WAIT_FOR_TICK->broadcast;	2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2872	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2873	Coro::async_pool {
		2874	write_runtime
		2875	or warn "ERROR: unable to write runtime file: $!";
		2876	};
		2877	}
		2878
		2879	# my $AFTER = Event::time;
		2880	# warn $AFTER - $NOW;#d#
		2881
		2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2883	$sig->send;
		2884	}
		2885	while (my $sig = shift @WAIT_FOR_TICK) {
		2886	$sig->send;
		2887	}
		2888
		2889	$NOW = Event::time;
2453		2890
2454	# if we are delayed by four ticks or more, skip them all	2891	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		2893
2457	$TICK_WATCHER->at ($NEXT_TICK);	2894	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	2895	$TICK_WATCHER->start;
		2896
		2897	$LOAD = ($NOW - $tick_start) / $TICK;
		2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2899
		2900	_post_tick;
		2901
		2902
2459	},	2903	},
2460	);	2904	);
2461		2905
		2906	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	2907	BDB::max_poll_time $TICK * 0.1;
2463		2908	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	2909	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	2910	fd => BDB::poll_fileno,
2466	poll => 'r',	2911	poll => 'r',
2467	prio => 5,	2912	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	2913	data => WF_AUTOCANCEL,
2474	after => 0,	2914	cb => \&BDB::poll_cb,
2475	interval => 10,	2915	);
2476	cb => sub {	2916	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	2917
2478	write_runtime	2918	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	2919	my $status;
		2920	my $current = $Coro::current;
		2921	(
		2922	sub {
		2923	$status = $!;
		2924	$current->ready; undef $current;
		2925	},
		2926	sub {
		2927	Coro::schedule while defined $current;
		2928	$! = $status;
		2929	},
		2930	)
		2931	};
		2932
		2933	unless ($DB_ENV) {
		2934	$DB_ENV = BDB::db_env_create;
		2935
		2936	cf::sync_job {
		2937	eval {
		2938	BDB::db_env_open
		2939	$DB_ENV,
		2940	$BDBDIR,
		2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2943	0666;
		2944
		2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2946
		2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2948	$DB_ENV->set_lk_detect;
		2949	};
		2950
		2951	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	2952	};
2481	},	2953	}
2482	);	2954	}
		2955
		2956	{
		2957	IO::AIO::min_parallel 8;
		2958
		2959	undef $Coro::AIO::WATCHER;
		2960	IO::AIO::max_poll_time $TICK * 0.1;
		2961	$AIO_POLL_WATCHER = Event->io (
		2962	reentrant => 0,
		2963	data => WF_AUTOCANCEL,
		2964	fd => IO::AIO::poll_fileno,
		2965	poll => 'r',
		2966	prio => 6,
		2967	cb => \&IO::AIO::poll_cb,
		2968	);
		2969	}
		2970
		2971	my $_log_backtrace;
		2972
		2973	sub _log_backtrace {
		2974	my ($msg, @addr) = @_;
		2975
		2976	$msg =~ s/\n//;
		2977
		2978	# limit the # of concurrent backtraces
		2979	if ($_log_backtrace < 2) {
		2980	++$_log_backtrace;
		2981	async {
		2982	my @bt = fork_call {
		2983	@addr = map { sprintf "%x", $_ } @addr;
		2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2986	or die "addr2line: $!";
		2987
		2988	my @funcs;
		2989	my @res = <$fh>;
		2990	chomp for @res;
		2991	while (@res) {
		2992	my ($func, $line) = splice @res, 0, 2, ();
		2993	push @funcs, "[$func] $line";
		2994	}
		2995
		2996	@funcs
		2997	};
		2998
		2999	LOG llevInfo, "[ABT] $msg\n";
		3000	LOG llevInfo, "[ABT] $_\n" for @bt;
		3001	--$_log_backtrace;
		3002	};
		3003	} else {
		3004	LOG llevInfo, "[ABT] $msg\n";
		3005	LOG llevInfo, "[ABT] [suppressed]\n";
		3006	}
		3007	}
		3008
		3009	# load additional modules
		3010	use cf::pod;
2483		3011
2484	END { cf::emergency_save }	3012	END { cf::emergency_save }
2485		3013
2486	1	3014	1
2487		3015

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