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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.174 by root, Sun Jan 14 19:55:37 2007 UTC vs.
Revision 1.288 by root, Mon Jun 25 07:40:53 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 JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$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		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
87		117
88	#############################################################################	118	#############################################################################
89		119
90	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
91		121
…		…
98	=item $cf::RUNTIME	128	=item $cf::RUNTIME
99		129
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	131	every server tick.
102		132
103	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		136
105	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
107		141
108	=item $cf::NOW	142	=item $cf::NOW
109		143
110	The time of the last (current) server tick.	144	The time of the last (current) server tick.
111		145
112	=item $cf::TICK	146	=item $cf::TICK
113		147
114	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
115		159
116	=item %cf::CFG	160	=item %cf::CFG
117		161
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	163	from wherever your confdir points to.
120		164
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		166
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		170
128	=back	171	=back
129		172
130	=cut	173	=cut
131		174
132	BEGIN {	175	BEGIN {
133	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	177	my $msg = join "", @_;
135	utf8::encode $msg;
136		178
137	$msg .= "\n"	179	$msg .= "\n"
138	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
139		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
140	LOG llevError, $msg;	185	LOG llevError, $msg;
141	};	186	};
142	}	187	}
143		188
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		196
151	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	198	# within the Safe compartment.
153	for my $pkg (qw(	199	for my $pkg (qw(
154	cf::global cf::attachable	200	cf::global cf::attachable
…		…
162	}	208	}
163		209
164	$Event::DIED = sub {	210	$Event::DIED = sub {
165	warn "error in event callback: @_";	211	warn "error in event callback: @_";
166	};	212	};
		213
		214	#############################################################################
167		215
168	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
169		217
170	=over 4	218	=over 4
171		219
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	239	$d
192	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
193	}	241	}
194		242
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211		250
212	=cut	251	=cut
213		252
214	sub to_json($) {	253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
216	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
218		257
219	=item cf::lock_wait $string	258	=item cf::lock_wait $string
220		259
221	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
222		261
…		…
228	returned.	267	returned.
229		268
230	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
232		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
233	=cut	276	=cut
234		277
235	our %LOCK;	278	our %LOCK;
236		279
237	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
258	}	301	}
259	}	302	}
260		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
261	sub freeze_mainloop {	310	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
263		312
264	my $guard = Coro::guard {	313	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	315	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
270	$guard	317	$guard
271	}	318	}
272		319
273	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		406
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
352	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
353		411
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		413
358	aio_fsync $fh	414	sub fork_call(&@) {
359	and return;	415	my ($cb, @args) = @_;
360		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
361	close $fh	423	close $fh2;
362	or return;
363		424
364	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
365	and return;	426	$res = Coro::Storable::thaw $res;
366		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
367	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	574	}
369		575
370	=back	576	=back
371		577
372	=cut	578	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
381		587
382	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	590	Crossfire TRT).
385		591
386	=over 4	592	=over 4
387		593
388	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
389		595
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
553		759
554	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		764
559	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	766	my $pkg = shift @arg;
561		767
562	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
592	}	798	}
593		799
594	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
595	} else {	801	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	803	}
598		804
599	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
600	}	806	}
601		807
…		…
603	if (ref $_[0]) {	809	if (ref $_[0]) {
604	_object_attach @_;	810	_object_attach @_;
605	} else {	811	} else {
606	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
607	}	813	}
		814	_recalc_want;
608	};	815	};
609		816
610	# all those should be optimised	817	# all those should be optimised
611	sub cf::attachable::detach {	818	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
616	reattach ($obj);	823	reattach ($obj);
617	} else {	824	} else {
618	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
619	}	826	}
		827	_recalc_want;
620	};	828	};
621		829
622	sub cf::attachable::attached {	830	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
624		832
…		…
747	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
748		956
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	961	close $fh;
754		962
755	if (@$objs) {	963	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	969	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
763	}	971	}
764	} else {	972	} else {
765	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
797	or return;	1005	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1007	}
800		1008
801	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1011	return ($data, $av);
804	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
805		1019
806	#############################################################################	1020	#############################################################################
807	# command handling &c	1021	# command handling &c
808		1022
809	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1037	}
824		1038
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1040
827	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
828		1046
829	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
830	called.	1048	called.
831		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
832	=cut	1061	=cut
833		1062
834	sub register_extcmd {	1063	sub register_extcmd {
835	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
836		1065
837	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
838	}	1073	}
839		1074
840	cf::player->attach (	1075	cf::player->attach (
841	on_command => sub {	1076	on_command => sub {
842	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
867		1102
868	cf::override;	1103	cf::override;
869	},	1104	},
870	);	1105	);
871		1106
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
907	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1112	next unless -r $path;
909	eval {	1113
910	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
911	1	1171	}
912	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
913	}	1177	};
914	}	1178	}
915		1179
916	#############################################################################	1180	#############################################################################
917		1181
		1182	=back
		1183
918	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
919		1185
920	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
921		1187
922	=cut	1188	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
935		1201
936	=cut	1202	=cut
937		1203
938	sub playerdir($) {	1204	sub playerdir($) {
939	cf::localdir	1205	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1207	}
945		1208
946	sub path($) {	1209	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1211
949	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
950	}	1213	}
951		1214
952	sub find_active($) {	1215	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
957		1220
958	sub exists($) {	1221	sub exists($) {
959	my ($login) = @_;	1222	my ($login) = @_;
960		1223
961	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
963	}	1226	}
964		1227
965	sub find($) {	1228	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1230	my $login = $_[0];
968		1231
969	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
970		1233
971	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
972	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
973	or return;	1243	or return;
974	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
975	}	1245	}
976	}	1246	}
…		…
1013		1283
1014	=cut	1284	=cut
1015		1285
1016	sub quit_character {	1286	sub quit_character {
1017	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1018		1290
1019	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1293
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1032	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1033	}	1325	}
1034		1326
1035	=item cf::player::list_logins	1327	=item cf::player::list_logins
1036		1328
1037	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1039		1331
1040	=cut	1332	=cut
1041		1333
1042	sub list_logins {	1334	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1336	or return [];
1045		1337
1046	my @logins;	1338	my @logins;
1047		1339
1048	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1065	=cut	1357	=cut
1066		1358
1067	sub maps($) {	1359	sub maps($) {
1068	my ($pl) = @_;	1360	my ($pl) = @_;
1069		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
1070	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1071	or return;	1365	or return;
1072		1366
1073	my @paths;	1367	my @paths;
1074		1368
1075	for (@$files) {	1369	for (@$files) {
1076	utf8::decode $_;	1370	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1079		1373
1080	s/\.map$//;	1374	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1375	}
1083		1376
1084	\@paths	1377	\@paths
1085	}	1378	}
1086		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1088		1414
1089	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1090		1416
1091	=cut	1417	=cut
1092		1418
1093	sub ext_reply($$$%) {	1419	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1095		1421
1096	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1097
1098	$self->send ("ext " . cf::to_json \%msg);	1423	$self->send ("ext " . cf::to_json \%msg);
1099	}	1424	}
1100		1425
1101	package cf;	1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		1433	my ($self, $type, %msg) = @_;
		1434
		1435	$self->ns->ext_event ($type, %msg);
		1436	}
		1437
		1438	=head3 cf::region
		1439
		1440	=over 4
		1441
		1442	=cut
		1443
		1444	package cf::region;
		1445
		1446	=item cf::region::find_by_path $path
		1447
		1448	Tries to decuce the likely region for a map knowing only its path.
		1449
		1450	=cut
		1451
		1452	sub find_by_path($) {
		1453	my ($path) = @_;
		1454
		1455	my ($match, $specificity);
		1456
		1457	for my $region (list) {
		1458	if ($region->match && $path =~ $region->match) {
		1459	($match, $specificity) = ($region, $region->specificity)
		1460	if $region->specificity > $specificity;
		1461	}
		1462	}
		1463
		1464	$match
		1465	}
1102		1466
1103	=back	1467	=back
1104
1105		1468
1106	=head3 cf::map	1469	=head3 cf::map
1107		1470
1108	=over 4	1471	=over 4
1109		1472
…		…
1121	our $MAX_RESET = 3600;	1484	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1485	our $DEFAULT_RESET = 3000;
1123		1486
1124	sub generate_random_map {	1487	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1488	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1489	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1490	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1501	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1502	)
1141	}	1503	}
1142		1504
		1505	=item cf::map->register ($regex, $prio)
		1506
		1507	Register a handler for the map path matching the given regex at the
		1508	givne priority (higher is better, built-in handlers have priority 0, the
		1509	default).
		1510
		1511	=cut
		1512
1143	sub register {	1513	sub register {
1144	my (undef, $regex) = @_;	1514	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1515	my $pkg = caller;
1146		1516
1147	no strict;	1517	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1518	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1519
1150	$EXT_MAP{$pkg} = qr<$regex>;	1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1521	}
1152		1522
1153	# also paths starting with '/'	1523	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1525
1156	sub thawer_merge {	1526	sub thawer_merge {
1157	my ($self, $merge) = @_;	1527	my ($self, $merge) = @_;
1158		1528
1159	# we have to keep some variables in memory intact	1529	# we have to keep some variables in memory intact
1160	local $self->{path};	1530	local $self->{path};
1161	local $self->{load_path};	1531	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1532
1165	$self->SUPER::thawer_merge ($merge);	1533	$self->SUPER::thawer_merge ($merge);
1166	}	1534	}
1167		1535
1168	sub normalise {	1536	sub normalise {
1169	my ($path, $base) = @_;	1537	my ($path, $base) = @_;
		1538
		1539	$path = "$path"; # make sure its a string
		1540
		1541	$path =~ s/\.map$//;
1170		1542
1171	# map plan:	1543	# map plan:
1172	#	1544	#
1173	# /! non-realised random map exit (special hack!)	1545	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1546	# {... are special paths that are not being touched
…		…
1202		1574
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1575	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1576
1205	$path = normalise $path, $base;	1577	$path = normalise $path, $base;
1206		1578
1207	for my $pkg (keys %EXT_MAP) {	1579	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1580	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1581	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1582	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1583	$self->init; # pass $1 etc.
1212	return $self;	1584	return $self;
1213	}	1585	}
1214	}	1586	}
1215		1587
1216	Carp::carp "unable to resolve path '$path'.";	1588	Carp::carp "unable to resolve path '$path' (base '$base').";
1217	()	1589	()
1218	}	1590	}
1219		1591
1220	sub init {	1592	sub init {
1221	my ($self) = @_;	1593	my ($self) = @_;
…		…
1236		1608
1237	# the original (read-only) location	1609	# the original (read-only) location
1238	sub load_path {	1610	sub load_path {
1239	my ($self) = @_;	1611	my ($self) = @_;
1240		1612
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1613	"$MAPDIR/$self->{path}.map"
1242	}	1614	}
1243		1615
1244	# the temporary/swap location	1616	# the temporary/swap location
1245	sub save_path {	1617	sub save_path {
1246	my ($self) = @_;	1618	my ($self) = @_;
1247		1619
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1621	"$TMPDIR/$path.map"
1250	}	1622	}
1251		1623
1252	# the unique path, undef == no special unique path	1624	# the unique path, undef == no special unique path
1253	sub uniq_path {	1625	sub uniq_path {
1254	my ($self) = @_;	1626	my ($self) = @_;
1255		1627
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1629	"$UNIQUEDIR/$path"
1258	}	1630	}
1259		1631
1260	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1261	# all maps in C++...	1633	# all maps in C++...
1262	sub change_all_map_light {	1634	sub change_all_map_light {
…		…
1264		1636
1265	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1267	}	1639	}
1268		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
		1647	}
		1648
1269	sub unlink_save {	1649	sub unlink_save {
1270	my ($self) = @_;	1650	my ($self) = @_;
1271		1651
1272	utf8::encode (my $save = $self->save_path);	1652	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1653	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1656
1277	sub load_header_from($) {	1657	sub load_header_from($) {
1278	my ($self, $path) = @_;	1658	my ($self, $path) = @_;
1279		1659
1280	utf8::encode $path;	1660	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
1282	or return;	1662	# or return;
1283		1663
1284	$self->_load_header ($path)	1664	$self->_load_header ($path)
1285	or return;	1665	or return;
1286		1666
1287	$self->{load_path} = $path;	1667	$self->{load_path} = $path;
1288		1668
1289	1	1669	1
1290	}	1670	}
1291		1671
1292	sub load_orig {	1672	sub load_header_orig {
1293	my ($self) = @_;	1673	my ($self) = @_;
1294		1674
1295	$self->load_header_from ($self->load_path)	1675	$self->load_header_from ($self->load_path)
1296	}	1676	}
1297		1677
1298	sub load_temp {	1678	sub load_header_temp {
1299	my ($self) = @_;	1679	my ($self) = @_;
1300		1680
1301	$self->load_header_from ($self->save_path)	1681	$self->load_header_from ($self->save_path)
		1682	}
		1683
		1684	sub prepare_temp {
		1685	my ($self) = @_;
		1686
		1687	$self->last_access ((delete $self->{last_access})
		1688	|| $cf::RUNTIME); #d#
		1689	# safety
		1690	$self->{instantiate_time} = $cf::RUNTIME
		1691	if $self->{instantiate_time} > $cf::RUNTIME;
		1692	}
		1693
		1694	sub prepare_orig {
		1695	my ($self) = @_;
		1696
		1697	$self->{load_original} = 1;
		1698	$self->{instantiate_time} = $cf::RUNTIME;
		1699	$self->last_access ($cf::RUNTIME);
		1700	$self->instantiate;
1302	}	1701	}
1303		1702
1304	sub load_header {	1703	sub load_header {
1305	my ($self) = @_;	1704	my ($self) = @_;
1306		1705
1307	if ($self->load_temp) {	1706	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1707	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1708	} else {
1314	$self->load_orig	1709	$self->load_header_orig
1315	or return;	1710	or return;
1316		1711	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1712	}
		1713
		1714	$self->{deny_reset} = 1
		1715	if $self->no_reset;
		1716
		1717	$self->default_region (cf::region::find_by_path $self->{path})
		1718	unless $self->default_region;
1322		1719
1323	1	1720	1
1324	}	1721	}
1325		1722
1326	sub find;	1723	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1340		1737
1341	$map->load_header	1738	$map->load_header
1342	or return;	1739	or return;
1343		1740
1344	if ($map->should_reset) {	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1742	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1743	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1744	$map->reset;
1347	undef $guard;	1745	undef $guard;
1348	$map = find $path	1746	return find $path;
1349	or return;
1350	}	1747	}
1351		1748
1352	$cf::MAP{$path} = $map	1749	$cf::MAP{$path} = $map
1353	}	1750	}
1354	}	1751	}
		1752
		1753	sub pre_load { }
		1754	sub post_load { }
1355		1755
1356	sub load {	1756	sub load {
1357	my ($self) = @_;	1757	my ($self) = @_;
1358		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1359	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1764	my $guard = cf::lock_acquire "map_load:$path";
1361		1765
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1767
1364	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1365		1769
1366	$self->alloc;	1770	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1771
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1772	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1773	Coro::cede;
1391	$self->set_darkness_map;	1774
		1775	$self->_load_objects ($self->{load_path}, 1)
		1776	or return;
		1777
		1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1779	if delete $self->{load_original};
		1780
		1781	if (my $uniq = $self->uniq_path) {
		1782	utf8::encode $uniq;
		1783	if (aio_open $uniq, O_RDONLY, 0) {
		1784	$self->clear_unique_items;
		1785	$self->_load_objects ($uniq, 0);
		1786	}
		1787	}
		1788
		1789	Coro::cede;
		1790	# now do the right thing for maps
		1791	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1793	unless $self->difficulty;
1394	Coro::cede;	1794	Coro::cede;
		1795
		1796	unless ($self->{deny_activate}) {
		1797	$self->decay_objects;
		1798	$self->fix_auto_apply;
		1799	$self->update_buttons;
		1800	Coro::cede;
		1801	$self->set_darkness_map;
		1802	Coro::cede;
1395	$self->activate;	1803	$self->activate;
1396	}	1804	}
1397		1805
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1806	$self->in_memory (cf::MAP_IN_MEMORY);
		1807	}
		1808
		1809	$self->post_load;
1399	}	1810	}
1400		1811
1401	sub customise_for {	1812	sub customise_for {
1402	my ($self, $ob) = @_;	1813	my ($self, $ob) = @_;
1403		1814
1404	return find "~" . $ob->name . "/" . $self->{path}	1815	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
1406		1820
1407	$self	1821	$self
1408	}	1822	}
1409		1823
1410	# find and load all maps in the 3x3 area around a map	1824	# find and load all maps in the 3x3 area around a map
…		…
1442		1856
1443	cf::sync_job { $map->load };	1857	cf::sync_job { $map->load };
1444	}	1858	}
1445		1859
1446	our %MAP_PREFETCH;	1860	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1861	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1862
1460	sub find_async {	1863	sub find_async {
1461	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1462		1865
1463	$path = normalise $path, $origin && $origin->{path};	1866	$path = normalise $path, $origin && $origin->{path};
1464		1867
1465	if (my $map = $cf::MAP{$path}) {	1868	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1870	}
1468		1871
1469	$MAP_PREFETCH{$path} = 0;	1872	undef $MAP_PREFETCH{$path};
		1873	$MAP_PREFETCHER ||= cf::async {
		1874	while (%MAP_PREFETCH) {
		1875	for my $path (keys %MAP_PREFETCH) {
		1876	my $map = find $path
		1877	or next;
		1878	$map->load;
		1879
		1880	delete $MAP_PREFETCH{$path};
		1881	}
		1882	}
		1883	undef $MAP_PREFETCHER;
		1884	};
1470	$MAP_PREFETCHER->ready;	1885	$MAP_PREFETCHER->prio (6);
1471		1886
1472	()	1887	()
1473	}	1888	}
1474		1889
1475	sub save {	1890	sub save {
…		…
1520		1935
1521	sub reset_at {	1936	sub reset_at {
1522	my ($self) = @_;	1937	my ($self) = @_;
1523		1938
1524	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1527		1941
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		1944
…		…
1541	my ($self) = @_;	1955	my ($self) = @_;
1542		1956
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		1958
1545	return if $self->players;	1959	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		1960
1548	warn "resetting map ", $self->path;#d#	1961	warn "resetting map ", $self->path;
		1962
		1963	$self->in_memory (cf::MAP_SWAPPED);
		1964
		1965	# need to save uniques path
		1966	unless ($self->{deny_save}) {
		1967	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1968
		1969	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1970	if $uniq;
		1971	}
1549		1972
1550	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
1551		1974
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	1975	$self->clear;
1554		1976
1555	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1556		1978
1557	$self->unlink_save;	1979	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	1998	$cf::MAP{$self->path} = $self;
1577		1999
1578	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1579	}	2001	}
1580		2002
		2003	=item $maps = cf::map::tmp_maps
		2004
		2005	Returns an arrayref with all map paths of currently instantiated and saved
		2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
		2011	[
		2012	map {
		2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
		2019	}
		2020
		2021	=item $maps = cf::map::random_maps
		2022
		2023	Returns an arrayref with all map paths of currently instantiated and saved
		2024	random maps. May block.
		2025
		2026	=cut
		2027
		2028	sub random_maps() {
		2029	[
		2030	map {
		2031	utf8::decode $_;
		2032	/\.map$/
		2033	? normalise "?random/$_"
		2034	: ()
		2035	} @{ aio_readdir $RANDOMDIR or [] }
		2036	]
		2037	}
		2038
1581	=item cf::map::unique_maps	2039	=item cf::map::unique_maps
1582		2040
1583	Returns an arrayref of paths of all shared maps that have	2041	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2042	instantiated unique items. May block.
1585		2043
1586	=cut	2044	=cut
1587		2045
1588	sub unique_maps() {	2046	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2047	[
1590	or return;	2048	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2049	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2050	/\.map$/
1600	push @paths, $_;	2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2054	]
1602
1603	\@paths
1604	}	2055	}
1605		2056
1606	package cf;	2057	package cf;
1607		2058
1608	=back	2059	=back
…		…
1654		2105
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2107
1657	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1659	} else {	2111	} else {
		2112	my $pl = $self->contr;
		2113
		2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2115	my $diag = $pl->{npc_dialog};
		2116	$diag->{pl}->ext_reply (
		2117	$diag->{id},
		2118	msgtype => "reply",
		2119	msg => $diag->{pl}->expand_cfpod ($msg),
		2120	add_topics => []
		2121	);
		2122
		2123	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1662	}	2127	}
1663	}	2128	}
1664		2129
1665	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1666		2131
…		…
1699	=cut	2164	=cut
1700		2165
1701	sub link_map {	2166	sub link_map {
1702	unless ($LINK_MAP) {	2167	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2168	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2169	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2170	$LINK_MAP->load;
1706	}	2171	}
1707		2172
1708	$LINK_MAP	2173	$LINK_MAP
1709	}	2174	}
…		…
1714	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1715		2180
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2182
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1720		2185
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2187	}
1723		2188
1724	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1726		2193
1727	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1728		2195
1729	unless ($map) {	2196	unless ($map) {
1730	# restore original map position	2197	# restore original map position
…		…
1748	$map->load;	2215	$map->load;
1749	$map->load_diag;	2216	$map->load_diag;
1750		2217
1751	return unless $self->contr->active;	2218	return unless $self->contr->active;
1752	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1754	}	2223	}
1755		2224
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		2226
		2227	Moves the player to the given map-path and coordinates by first freezing
		2228	her, loading and preparing them map, calling the provided $check callback
		2229	that has to return the map if sucecssful, and then unfreezes the player on
		2230	the new (success) or old (failed) map position.
		2231
1790	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1791		2235
1792	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
		2238
		2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2241
1795	$self->enter_link;	2242	$self->enter_link;
1796		2243
1797	(async {	2244	(async {
		2245	my $map = eval {
1798	my $map = cf::map::find $path;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
1800		2250	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2251	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2253	}
1805		2254
		2255	$map
		2256	};
		2257
		2258	if ($@) {
		2259	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2260	LOG llevError | logBacktrace, Carp::longmess $@;
		2261	}
		2262
		2263	if ($gen == $self->{_goto_generation}) {
		2264	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1807	})->prio (1);	2267	})->prio (1);
1808	}	2268	}
1809		2269
1810	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1811		2271
…		…
1813		2273
1814	sub parse_random_map_params {	2274	sub parse_random_map_params {
1815	my ($spec) = @_;	2275	my ($spec) = @_;
1816		2276
1817	my $rmp = { # defaults	2277	my $rmp = { # defaults
1818	xsize => 10,	2278	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2279	ysize => (cf::rndm 15, 40),
		2280	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2281	#layout => string,
1820	};	2282	};
1821		2283
1822	for (split /\n/, $spec) {	2284	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2285	my ($k, $v) = split /\s+/, $_, 2;
1824		2286
…		…
1828	$rmp	2290	$rmp
1829	}	2291	}
1830		2292
1831	sub prepare_random_map {	2293	sub prepare_random_map {
1832	my ($exit) = @_;	2294	my ($exit) = @_;
		2295
		2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2297
1834	# all this does is basically replace the /! path by	2298	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2299	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2300	# that depends on the exit object
1837		2301
1838	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1839		2303
1840	if ($exit->map) {	2304	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1845	}	2309	}
1846		2310
1847	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1848		2312
1849	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
		2315	my $meta = "$RANDOMDIR/$md5.meta";
1851		2316
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
		2319	undef $fh;
		2320	aio_rename "$meta~", $meta;
1854		2321
1855	$exit->slaying ("?random/$md5");	2322	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2323	$exit->msg (undef);
1857	}	2324	}
1858	}	2325	}
1859		2326
1860	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1862		2329
1863	return unless $self->type == cf::PLAYER;	2330	return unless $self->type == cf::PLAYER;
		2331
		2332	if ($exit->slaying eq "/!") {
		2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2334	# the problem is that $exit might not survive long enough
		2335	# so it needs to be done right now, right here
		2336	cf::sync_job { prepare_random_map $exit };
		2337	}
		2338
		2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2340	my $hp = $exit->stats->hp;
		2341	my $sp = $exit->stats->sp;
1864		2342
1865	$self->enter_link;	2343	$self->enter_link;
1866		2344
1867	(async {	2345	(async {
1868	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2347	unless (eval {
1870	prepare_random_map $exit	2348	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2349
1876	1;	2350	1;
1877	}) {	2351	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2353	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2354	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2356
1883	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2358	$self->leave_link;
1885	}	2359	}
1886	})->prio (1);	2360	})->prio (1);
…		…
1899		2373
1900	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1902		2376
1903	utf8::encode $text;	2377	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2379	}
1906		2380
		2381	=item $client->send_msg ($color, $type, $msg, [extra...])
		2382
		2383	Send a drawinfo or msg packet to the client, formatting the msg for the
		2384	client if neccessary. C<$type> should be a string identifying the type of
		2385	the message, with C<log> being the default. If C<$color> is negative, suppress
		2386	the message unless the client supports the msg packet.
		2387
		2388	=cut
		2389
		2390	sub cf::client::send_msg {
		2391	my ($self, $color, $type, $msg, @extra) = @_;
		2392
		2393	$msg = $self->pl->expand_cfpod ($msg);
		2394
		2395	if ($self->can_msg) {
		2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2397	} else {
		2398	# replace some tags by gcfclient-compatible ones
		2399	for ($msg) {
		2400	1 while
		2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2406	}
		2407
		2408	if ($color >= 0) {
		2409	if (0 && $msg =~ /\[/) {
		2410	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2411	} else {
		2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2413	$self->send_packet ("drawinfo $color $msg")
		2414	}
		2415	}
		2416	}
		2417	}
		2418
		2419	=item $client->ext_event ($type, %msg)
		2420
		2421	Sends an ext event to the client.
		2422
		2423	=cut
		2424
		2425	sub cf::client::ext_event($$%) {
		2426	my ($self, $type, %msg) = @_;
		2427
		2428	$msg{msgtype} = "event_$type";
		2429	$self->send_packet ("ext " . cf::to_json \%msg);
		2430	}
1907		2431
1908	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1909		2433
1910	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2435	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2437
1914	Queries can fail, so check the return code. Or don't, as queries will become	2438	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2439	become reliable at some point in the future.
1916		2440
1917	=cut	2441	=cut
1918		2442
1919	sub cf::client::query {	2443	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2452	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2454
1931	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1933	}	2459	}
1934		2460
1935	cf::client->attach (	2461	cf::client->attach (
1936	on_reply => sub {	2462	on_reply => sub {
1937	my ($ns, $msg) = @_;	2463	my ($ns, $msg) = @_;
…		…
1940	# get handled first	2466	# get handled first
1941	my $queue = delete $ns->{query_queue}	2467	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2468	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2469
1944	(shift @$queue)->[1]->($msg);	2470	(shift @$queue)->[1]->($msg);
		2471	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2472
1946	push @{ $ns->{query_queue} }, @$queue;	2473	push @{ $ns->{query_queue} }, @$queue;
1947		2474
1948	if (@{ $ns->{query_queue} } == @$queue) {	2475	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2476	if (@$queue) {
…		…
1951	} else {	2478	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2479	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2480	}
1954	}	2481	}
1955	},	2482	},
		2483	on_exticmd => sub {
		2484	my ($ns, $buf) = @_;
		2485
		2486	my $msg = eval { from_json $buf };
		2487
		2488	if (ref $msg) {
		2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2490	if (my %reply = $cb->($ns, $msg)) {
		2491	$reply{msgid} = $msg->{msgid};
		2492	$ns->send ("ext " . cf::to_json \%reply);
		2493	}
		2494	}
		2495	} else {
		2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2497	}
		2498
		2499	cf::override;
		2500	},
1956	);	2501	);
1957		2502
1958	=item $client->async (\&cb)	2503	=item $client->async (\&cb)
1959		2504
1960	Create a new coroutine, running the specified callback. The coroutine will	2505	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007		2552
2008	# here we export the classes and methods available to script code	2553	# here we export the classes and methods available to script code
2009		2554
2010	=pod	2555	=pod
2011		2556
2012	The following fucntions and emthods are available within a safe environment:	2557	The following functions and methods are available within a safe environment:
2013		2558
2014	cf::object contr pay_amount pay_player map	2559	cf::object contr pay_amount pay_player map
2015	cf::object::player player	2560	cf::object::player player
2016	cf::player peaceful	2561	cf::player peaceful
2017	cf::map trigger	2562	cf::map trigger
…		…
2098	=back	2643	=back
2099		2644
2100	=cut	2645	=cut
2101		2646
2102	#############################################################################	2647	#############################################################################
		2648	# the server's init and main functions
2103		2649
2104	=head2 EXTENSION DATABASE SUPPORT	2650	sub load_facedata($) {
		2651	my ($path) = @_;
2105		2652
2106	Crossfire maintains a very simple database for extension use. It can	2653	warn "loading facedata from $path\n";
2107	currently store anything that can be serialised using Storable, which
2108	excludes objects.
2109		2654
2110	The parameter C<$family> should best start with the name of the extension	2655	my $facedata;
2111	using it, it should be unique.	2656	0 < aio_load $path, $facedata
		2657	or die "$path: $!";
2112		2658
2113	=over 4	2659	$facedata = Coro::Storable::thaw $facedata;
2114		2660
2115	=item $hashref = cf::db_get $family	2661	$facedata->{version} == 2
		2662	or cf::cleanup "$path: version mismatch, cannot proceed.";
2116		2663
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key
2122
2123	Returns a single value from the database
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}	2664	{
		2665	my $faces = $facedata->{faceinfo};
2153		2666
2154	my $pid;	2667	while (my ($face, $info) = each %$faces) {
2155		2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2156	sub db_save() {	2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2157	waitpid $pid, 0 if $pid;	2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2158	if (0 == ($pid = fork)) {	2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2159	$DB->{_meta}{version} = 1;	2672	Coro::cede;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2673	}
2202	);
2203	}
2204		2674
2205	#############################################################################	2675	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	2676	next unless $info->{smooth};
		2677	my $idx = cf::face::find $face
		2678	or next;
		2679	if (my $smooth = cf::face::find $info->{smooth}) {
		2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2681	} else {
		2682	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2683	}
		2684	Coro::cede;
		2685	}
		2686	}
		2687
		2688	{
		2689	my $anims = $facedata->{animinfo};
		2690
		2691	while (my ($anim, $info) = each %$anims) {
		2692	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2693	Coro::cede;
		2694	}
		2695
		2696	cf::anim::invalidate_all; # d'oh
		2697	}
		2698
		2699	1
		2700	}
		2701
		2702	sub reload_regions {
		2703	load_resource_file "$MAPDIR/regions"
		2704	or die "unable to load regions file\n";
		2705	}
		2706
		2707	sub reload_facedata {
		2708	load_facedata "$DATADIR/facedata"
		2709	or die "unable to load facedata\n";
		2710	}
		2711
		2712	sub reload_archetypes {
		2713	load_resource_file "$DATADIR/archetypes"
		2714	or die "unable to load archetypes\n";
		2715	}
		2716
		2717	sub reload_treasures {
		2718	load_resource_file "$DATADIR/treasures"
		2719	or die "unable to load treasurelists\n";
		2720	}
		2721
		2722	sub reload_resources {
		2723	warn "reloading resource files...\n";
		2724
		2725	reload_regions;
		2726	reload_facedata;
		2727	#reload_archetypes;#d#
		2728	reload_archetypes;
		2729	reload_treasures;
		2730
		2731	warn "finished reloading resource files\n";
		2732	}
		2733
		2734	sub init {
		2735	reload_resources;
		2736	}
2207		2737
2208	sub cfg_load {	2738	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2739	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	2740	or return;
2211		2741
2212	local $/;	2742	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	2743	*CFG = YAML::Syck::Load <$fh>;
2214		2744
…		…
2228		2758
2229	sub main {	2759	sub main {
2230	# we must not ever block the main coroutine	2760	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	2761	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2762	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2763	(async {
2233	async { Event::one_event };	2764	Event::one_event;
		2765	})->prio (Coro::PRIO_MAX);
2234	};	2766	};
2235		2767
2236	cfg_load;	2768	cfg_load;
2237	db_load;	2769	db_init;
2238	load_extensions;	2770	load_extensions;
		2771
		2772	$TICK_WATCHER->start;
2239	Event::loop;	2773	Event::loop;
2240	}	2774	}
2241		2775
2242	#############################################################################	2776	#############################################################################
2243	# initialisation and cleanup	2777	# initialisation and cleanup
2244		2778
2245	# install some emergency cleanup handlers	2779	# install some emergency cleanup handlers
2246	BEGIN {	2780	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	2781	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	2782	Event->signal (
		2783	reentrant => 0,
2249	data => WF_AUTOCANCEL,	2784	data => WF_AUTOCANCEL,
2250	signal => $signal,	2785	signal => $signal,
		2786	prio => 0,
2251	cb => sub {	2787	cb => sub {
2252	cf::cleanup "SIG$signal";	2788	cf::cleanup "SIG$signal";
2253	},	2789	},
2254	);	2790	);
2255	}	2791	}
		2792	}
		2793
		2794	sub write_runtime {
		2795	my $runtime = "$LOCALDIR/runtime";
		2796
		2797	# first touch the runtime file to show we are still running:
		2798	# the fsync below can take a very very long time.
		2799
		2800	IO::AIO::aio_utime $runtime, undef, undef;
		2801
		2802	my $guard = cf::lock_acquire "write_runtime";
		2803
		2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2805	or return;
		2806
		2807	my $value = $cf::RUNTIME + 90 + 10;
		2808	# 10 is the runtime save interval, for a monotonic clock
		2809	# 60 allows for the watchdog to kill the server.
		2810
		2811	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2812	and return;
		2813
		2814	# always fsync - this file is important
		2815	aio_fsync $fh
		2816	and return;
		2817
		2818	# touch it again to show we are up-to-date
		2819	aio_utime $fh, undef, undef;
		2820
		2821	close $fh
		2822	or return;
		2823
		2824	aio_rename "$runtime~", $runtime
		2825	and return;
		2826
		2827	warn "runtime file written.\n";
		2828
		2829	1
2256	}	2830	}
2257		2831
2258	sub emergency_save() {	2832	sub emergency_save() {
2259	my $freeze_guard = cf::freeze_mainloop;	2833	my $freeze_guard = cf::freeze_mainloop;
2260		2834
…		…
2277	my $map = $cf::MAP{$path} or next;	2851	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	2852	$map->valid or next;
2279	$map->save;	2853	$map->save;
2280	}	2854	}
2281	warn "end emergency map save\n";	2855	warn "end emergency map save\n";
		2856
		2857	warn "begin emergency database checkpoint\n";
		2858	BDB::db_env_txn_checkpoint $DB_ENV;
		2859	warn "end emergency database checkpoint\n";
2282	};	2860	};
2283		2861
2284	warn "leave emergency perl save\n";	2862	warn "leave emergency perl save\n";
2285	}	2863	}
2286		2864
		2865	sub post_cleanup {
		2866	my ($make_core) = @_;
		2867
		2868	warn Carp::longmess "post_cleanup backtrace"
		2869	if $make_core;
		2870	}
		2871
2287	sub reload() {	2872	sub do_reload_perl() {
2288	# can/must only be called in main	2873	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	2874	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	2875	warn "can only reload from main coroutine";
2291	return;	2876	return;
2292	}	2877	}
2293		2878
2294	warn "reloading...";	2879	warn "reloading...";
2295		2880
2296	warn "freezing server";	2881	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	2882
		2883	cf::sync_job {
		2884	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	2885	cf::emergency_save;
		2886	cf::write_runtime; # external watchdog should not bark
2299		2887
2300	warn "sync database to disk";	2888	warn "syncing database to disk";
2301	cf::db_sync;	2889	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		2890
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	2891	# if anything goes wrong in here, we should simply crash as we already saved
2306		2892
2307	warn "cancel all watchers";	2893	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	2894	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	2896	}
2311		2897
		2898	warn "flushing outstanding aio requests";
		2899	for (;;) {
		2900	BDB::flush;
		2901	IO::AIO::flush;
		2902	Coro::cede;
		2903	last unless IO::AIO::nreqs || BDB::nreqs;
		2904	warn "iterate...";
		2905	}
		2906
		2907	++$RELOAD;
		2908
2312	warn "cancel all extension coros";	2909	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	2910	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	2911	%EXT_CORO = ();
2315		2912
2316	warn "remove commands";	2913	warn "removing commands";
2317	%COMMAND = ();	2914	%COMMAND = ();
2318		2915
2319	warn "remove ext commands";	2916	warn "removing ext/exti commands";
2320	%EXTCMD = ();	2917	%EXTCMD = ();
		2918	%EXTICMD = ();
2321		2919
2322	warn "unload/nuke all extensions";	2920	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	2921	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	2922	warn "... unloading $pkg";
2325		2923
2326	if (my $cb = $pkg->can ("unload")) {	2924	if (my $cb = $pkg->can ("unload")) {
2327	eval {	2925	eval {
…		…
2332		2930
2333	warn "... nuking $pkg";	2931	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	2932	Symbol::delete_package $pkg;
2335	}	2933	}
2336		2934
2337	warn "unload all perl modules loaded from $LIBDIR";	2935	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	2936	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		2938
2341	warn "removing <$k>";	2939	warn "... unloading $k";
2342	delete $INC{$k};	2940	delete $INC{$k};
2343		2941
2344	$k =~ s/\.pm$//;	2942	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	2943	$k =~ s/\//::/g;
2346		2944
…		…
2349	}	2947	}
2350		2948
2351	Symbol::delete_package $k;	2949	Symbol::delete_package $k;
2352	}	2950	}
2353		2951
2354	warn "get rid of safe::, as good as possible";	2952	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	2953	Symbol::delete_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2954	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		2955
2358	warn "unload cf.pm \"a bit\"";	2956	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	2957	delete $INC{"cf.pm"};
		2958	delete $INC{"cf/pod.pm"};
2360		2959
2361	# don't, removes xs symbols, too,	2960	# don't, removes xs symbols, too,
2362	# and global variables created in xs	2961	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	2962	#Symbol::delete_package __PACKAGE__;
2364		2963
		2964	warn "unload completed, starting to reload now";
		2965
2365	warn "reloading cf.pm";	2966	warn "reloading cf.pm";
2366	require cf;	2967	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		2969
2369	warn "load config and database again";	2970	warn "loading config and database again";
2370	cf::cfg_load;	2971	cf::cfg_load;
2371	cf::db_load;
2372		2972
2373	warn "load extensions";	2973	warn "loading extensions";
2374	cf::load_extensions;	2974	cf::load_extensions;
2375		2975
2376	warn "reattach attachments to objects/players";	2976	warn "reattaching attachments to objects/players";
2377	_global_reattach;	2977	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	2978	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	2979	reattach $_ for values %MAP;
2380	};	2980	warn "reattaching attachments to players";
		2981	reattach $_ for values %PLAYER;
2381		2982
2382	if ($@) {	2983	warn "leaving sync_job";
		2984
		2985	1
		2986	} or do {
2383	warn $@;	2987	warn $@;
2384	warn "error while reloading, exiting.";	2988	warn "error while reloading, exiting.";
2385	exit 1;	2989	exit 1;
2386	}	2990	};
2387		2991
2388	warn "reloaded";	2992	warn "reloaded";
2389	};	2993	};
2390		2994
		2995	our $RELOAD_WATCHER; # used only during reload
		2996
		2997	sub reload_perl() {
		2998	# doing reload synchronously and two reloads happen back-to-back,
		2999	# coro crashes during coro_state_free->destroy here.
		3000
		3001	$RELOAD_WATCHER ||= Event->timer (
		3002	reentrant => 0,
		3003	after => 0,
		3004	data => WF_AUTOCANCEL,
		3005	cb => sub {
		3006	do_reload_perl;
		3007	undef $RELOAD_WATCHER;
		3008	},
		3009	);
		3010	}
		3011
2391	register_command "reload" => sub {	3012	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	3013	my ($who, $arg) = @_;
2393		3014
2394	if ($who->flag (FLAG_WIZ)) {	3015	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	3016	$who->message ("reloading server.");
		3017	async { reload_perl };
2398	}	3018	}
2399	};	3019	};
2400		3020
2401	unshift @INC, $LIBDIR;	3021	unshift @INC, $LIBDIR;
2402		3022
		3023	my $bug_warning = 0;
		3024
		3025	our @WAIT_FOR_TICK;
		3026	our @WAIT_FOR_TICK_BEGIN;
		3027
		3028	sub wait_for_tick {
		3029	return unless $TICK_WATCHER->is_active;
		3030	return if $Coro::current == $Coro::main;
		3031
		3032	my $signal = new Coro::Signal;
		3033	push @WAIT_FOR_TICK, $signal;
		3034	$signal->wait;
		3035	}
		3036
		3037	sub wait_for_tick_begin {
		3038	return unless $TICK_WATCHER->is_active;
		3039	return if $Coro::current == $Coro::main;
		3040
		3041	my $signal = new Coro::Signal;
		3042	push @WAIT_FOR_TICK_BEGIN, $signal;
		3043	$signal->wait;
		3044	}
		3045
		3046	my $min = 1e6;#d#
		3047	my $avg = 10;
2403	$TICK_WATCHER = Event->timer (	3048	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	3049	reentrant => 0,
		3050	parked => 1,
2405	prio => 0,	3051	prio => 0,
2406	at => $NEXT_TICK || $TICK,	3052	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	3053	data => WF_AUTOCANCEL,
2408	cb => sub {	3054	cb => sub {
		3055	if ($Coro::current != $Coro::main) {
		3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3057	unless ++$bug_warning > 10;
		3058	return;
		3059	}
		3060
2409	$NOW = Event::time;	3061	$NOW = $tick_start = Event::time;
2410		3062
2411	cf::server_tick; # one server iteration	3063	cf::server_tick; # one server iteration
		3064
		3065	0 && sync_job {#d#
		3066	for(1..10) {
		3067	my $t = Event::time;
		3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3069	or die;
		3070
		3071	$map->width (50);
		3072	$map->height (50);
		3073	$map->alloc;
		3074	$map->_load_objects ("/tmp/x.map", 1);
		3075	my $t = Event::time - $t;
		3076
		3077	#next unless $t < 0.0013;#d#
		3078	if ($t < $min) {
		3079	$min = $t;
		3080	}
		3081	$avg = $avg * 0.99 + $t * 0.01;
		3082	}
		3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3084	exit 0;
		3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3086	};
		3087
2412	$RUNTIME += $TICK;	3088	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	3089	$NEXT_TICK += $TICK;
2414		3090
2415	$WAIT_FOR_TICK->broadcast;	3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3093	Coro::async_pool {
		3094	write_runtime
		3095	or warn "ERROR: unable to write runtime file: $!";
		3096	};
		3097	}
		3098
		3099	# my $AFTER = Event::time;
		3100	# warn $AFTER - $NOW;#d#
		3101
		3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3103	$sig->send;
		3104	}
		3105	while (my $sig = shift @WAIT_FOR_TICK) {
		3106	$sig->send;
		3107	}
		3108
		3109	$NOW = Event::time;
2417		3110
2418	# if we are delayed by four ticks or more, skip them all	3111	# if we are delayed by four ticks or more, skip them all
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2420		3113
2421	$TICK_WATCHER->at ($NEXT_TICK);	3114	$TICK_WATCHER->at ($NEXT_TICK);
2422	$TICK_WATCHER->start;	3115	$TICK_WATCHER->start;
		3116
		3117	$LOAD = ($NOW - $tick_start) / $TICK;
		3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3119
		3120	_post_tick;
		3121
		3122
2423	},	3123	},
2424	);	3124	);
2425		3125
		3126	{
		3127	BDB::max_poll_time $TICK * 0.1;
		3128	$BDB_POLL_WATCHER = Event->io (
		3129	reentrant => 0,
		3130	fd => BDB::poll_fileno,
		3131	poll => 'r',
		3132	prio => 0,
		3133	data => WF_AUTOCANCEL,
		3134	cb => \&BDB::poll_cb,
		3135	);
		3136	BDB::min_parallel 8;
		3137
		3138	BDB::set_sync_prepare {
		3139	my $status;
		3140	my $current = $Coro::current;
		3141	(
		3142	sub {
		3143	$status = $!;
		3144	$current->ready; undef $current;
		3145	},
		3146	sub {
		3147	Coro::schedule while defined $current;
		3148	$! = $status;
		3149	},
		3150	)
		3151	};
		3152
		3153	unless ($DB_ENV) {
		3154	$DB_ENV = BDB::db_env_create;
		3155
		3156	cf::sync_job {
		3157	eval {
		3158	BDB::db_env_open
		3159	$DB_ENV,
		3160	$BDBDIR,
		3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3163	0666;
		3164
		3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3166
		3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3168	$DB_ENV->set_lk_detect;
		3169	};
		3170
		3171	cf::cleanup "db_env_open(db): $@" if $@;
		3172	};
		3173	}
		3174	}
		3175
		3176	{
		3177	IO::AIO::min_parallel 8;
		3178
		3179	undef $Coro::AIO::WATCHER;
2426	IO::AIO::max_poll_time $TICK * 0.2;	3180	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	3181	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	3182	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	3183	data => WF_AUTOCANCEL,
2438	after => 0,	3184	fd => IO::AIO::poll_fileno,
2439	interval => 10,	3185	poll => 'r',
2440	cb => sub {	3186	prio => 6,
2441	(Coro::unblock_sub {	3187	cb => \&IO::AIO::poll_cb,
2442	write_runtime	3188	);
2443	or warn "ERROR: unable to write runtime file: $!";	3189	}
		3190
		3191	my $_log_backtrace;
		3192
		3193	sub _log_backtrace {
		3194	my ($msg, @addr) = @_;
		3195
		3196	$msg =~ s/\n//;
		3197
		3198	# limit the # of concurrent backtraces
		3199	if ($_log_backtrace < 2) {
		3200	++$_log_backtrace;
		3201	async {
		3202	my @bt = fork_call {
		3203	@addr = map { sprintf "%x", $_ } @addr;
		3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3205	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3206	or die "addr2line: $!";
		3207
		3208	my @funcs;
		3209	my @res = <$fh>;
		3210	chomp for @res;
		3211	while (@res) {
		3212	my ($func, $line) = splice @res, 0, 2, ();
		3213	push @funcs, "[$func] $line";
		3214	}
		3215
		3216	@funcs
		3217	};
		3218
		3219	LOG llevInfo, "[ABT] $msg\n";
		3220	LOG llevInfo, "[ABT] $_\n" for @bt;
		3221	--$_log_backtrace;
2444	})->();	3222	};
		3223	} else {
		3224	LOG llevInfo, "[ABT] $msg\n";
		3225	LOG llevInfo, "[ABT] [suppressed]\n";
2445	},	3226	}
2446	);	3227	}
		3228
		3229	# load additional modules
		3230	use cf::pod;
2447		3231
2448	END { cf::emergency_save }	3232	END { cf::emergency_save }
2449		3233
2450	1	3234	1
2451		3235

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