ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.294 by root, Tue Jul 3 06:00:48 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 3.4 ();	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->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 + 90 + 10;	412	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		413
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
359	and return;	415	my ($cb, @args) = @_;
360		416
361	aio_fsync $fh	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
363		421
		422	if (my $pid = fork) {
364	close $fh	423	close $fh2;
365	or return;
366		424
367	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	426	$res = Coro::Storable::thaw $res;
369		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
370	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
371	}	574	}
372		575
373	=back	576	=back
374		577
375	=cut	578	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
384		587
385	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>
386	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
387	crossfire+).	590	Crossfire TRT).
388		591
389	=over 4	592	=over 4
390		593
391	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
392		595
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
556		759
557	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		764
562	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	766	my $pkg = shift @arg;
564		767
565	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
595	}	798	}
596		799
597	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
598	} else {	801	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	803	}
601		804
602	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
603	}	806	}
604		807
…		…
606	if (ref $_[0]) {	809	if (ref $_[0]) {
607	_object_attach @_;	810	_object_attach @_;
608	} else {	811	} else {
609	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
610	}	813	}
		814	_recalc_want;
611	};	815	};
612		816
613	# all those should be optimised	817	# all those should be optimised
614	sub cf::attachable::detach {	818	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
619	reattach ($obj);	823	reattach ($obj);
620	} else {	824	} else {
621	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
622	}	826	}
		827	_recalc_want;
623	};	828	};
624		829
625	sub cf::attachable::attached {	830	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
627		832
…		…
750	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
751		956
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	961	close $fh;
757		962
758	if (@$objs) {	963	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	969	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
766	}	971	}
767	} else {	972	} else {
768	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
800	or return;	1005	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1007	}
803		1008
804	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1011	return ($data, $av);
807	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
808		1019
809	#############################################################################	1020	#############################################################################
810	# command handling &c	1021	# command handling &c
811		1022
812	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1037	}
827		1038
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1040
830	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.
831		1046
832	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
833	called.	1048	called.
834		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
835	=cut	1061	=cut
836		1062
837	sub register_extcmd {	1063	sub register_extcmd {
838	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
839		1065
840	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
841	}	1073	}
842		1074
843	cf::player->attach (	1075	cf::player->attach (
844	on_command => sub {	1076	on_command => sub {
845	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1086	cf::override;
855	},	1087	},
856	on_extcmd => sub {	1088	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
858		1090
859	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1092
861	if (ref $msg) {	1093	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1102
871	cf::override;	1103	cf::override;
872	},	1104	},
873	);	1105	);
874		1106
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
910	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1112	next unless -r $path;
912	eval {	1113
913	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;
914	1	1171	}
915	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
916	}	1177	};
917	}	1178	}
918		1179
919	#############################################################################	1180	#############################################################################
920		1181
		1182	=back
		1183
921	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
922		1185
923	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
924		1187
925	=cut	1188	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
938		1201
939	=cut	1202	=cut
940		1203
941	sub playerdir($) {	1204	sub playerdir($) {
942	cf::localdir	1205	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1207	}
948		1208
949	sub path($) {	1209	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1211
952	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
953	}	1213	}
954		1214
955	sub find_active($) {	1215	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1230	my $login = $_[0];
971		1231
972	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
973		1233
974	$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
975	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
976	or return;	1243	or return;
977	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
978	}	1245	}
979	}	1246	}
…		…
1016		1283
1017	=cut	1284	=cut
1018		1285
1019	sub quit_character {	1286	sub quit_character {
1020	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1021		1290
1022	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1023	$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
1024		1293
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1325	}
1037		1326
1038	=item cf::player::list_logins	1327	=item cf::player::list_logins
1039		1328
1040	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
1041	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1042		1331
1043	=cut	1332	=cut
1044		1333
1045	sub list_logins {	1334	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1336	or return [];
1048		1337
1049	my @logins;	1338	my @logins;
1050		1339
1051	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1068	=cut	1357	=cut
1069		1358
1070	sub maps($) {	1359	sub maps($) {
1071	my ($pl) = @_;	1360	my ($pl) = @_;
1072		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
1073	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1074	or return;	1365	or return;
1075		1366
1076	my @paths;	1367	my @paths;
1077		1368
1078	for (@$files) {	1369	for (@$files) {
1079	utf8::decode $_;	1370	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1082		1373
1083	s/\.map$//;	1374	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1375	}
1086		1376
1087	\@paths	1377	\@paths
1088	}	1378	}
1089		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<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	s/^\s+//;
		1420	s/\s+$//;
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1091		1431
1092	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1093		1433
1094	=cut	1434	=cut
1095		1435
1096	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1098		1438
1099	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1100		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1441	}
1103		1442
1104	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1105		1483
1106	=back	1484	=back
1107
1108		1485
1109	=head3 cf::map	1486	=head3 cf::map
1110		1487
1111	=over 4	1488	=over 4
1112		1489
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1519	)
1143	}	1520	}
1144		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
1145	sub register {	1530	sub register {
1146	my (undef, $regex) = @_;	1531	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1532	my $pkg = caller;
1148		1533
1149	no strict;	1534	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1535	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1536
1152	$EXT_MAP{$pkg} = qr<$regex>;	1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1538	}
1154		1539
1155	# also paths starting with '/'	1540	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1542
1158	sub thawer_merge {	1543	sub thawer_merge {
1159	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1160		1545
1161	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1162	local $self->{path};	1547	local $self->{path};
1163	local $self->{load_path};	1548	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1549
1167	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1168	}	1551	}
1169		1552
1170	sub normalise {	1553	sub normalise {
1171	my ($path, $base) = @_;	1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
1172		1559
1173	# map plan:	1560	# map plan:
1174	#	1561	#
1175	# /! non-realised random map exit (special hack!)	1562	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1563	# {... are special paths that are not being touched
…		…
1204		1591
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1593
1207	$path = normalise $path, $base;	1594	$path = normalise $path, $base;
1208		1595
1209	for my $pkg (keys %EXT_MAP) {	1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1598	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1599	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1600	$self->init; # pass $1 etc.
1214	return $self;	1601	return $self;
1215	}	1602	}
1216	}	1603	}
1217		1604
1218	Carp::carp "unable to resolve path '$path'.";	1605	Carp::carp "unable to resolve path '$path' (base '$base').";
1219	()	1606	()
1220	}	1607	}
1221		1608
1222	sub init {	1609	sub init {
1223	my ($self) = @_;	1610	my ($self) = @_;
…		…
1238		1625
1239	# the original (read-only) location	1626	# the original (read-only) location
1240	sub load_path {	1627	sub load_path {
1241	my ($self) = @_;	1628	my ($self) = @_;
1242		1629
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1244	}	1631	}
1245		1632
1246	# the temporary/swap location	1633	# the temporary/swap location
1247	sub save_path {	1634	sub save_path {
1248	my ($self) = @_;	1635	my ($self) = @_;
1249		1636
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1252	}	1639	}
1253		1640
1254	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1255	sub uniq_path {	1642	sub uniq_path {
1256	my ($self) = @_;	1643	my ($self) = @_;
1257		1644
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1260	}	1647	}
1261		1648
1262	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1263	# all maps in C++...	1650	# all maps in C++...
1264	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1266		1653
1267	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1269	}	1656	}
1270		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
1271	sub unlink_save {	1666	sub unlink_save {
1272	my ($self) = @_;	1667	my ($self) = @_;
1273		1668
1274	utf8::encode (my $save = $self->save_path);	1669	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1673
1279	sub load_header_from($) {	1674	sub load_header_from($) {
1280	my ($self, $path) = @_;	1675	my ($self, $path) = @_;
1281		1676
1282	utf8::encode $path;	1677	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
1284	or return;	1679	# or return;
1285		1680
1286	$self->_load_header ($path)	1681	$self->_load_header ($path)
1287	or return;	1682	or return;
1288		1683
1289	$self->{load_path} = $path;	1684	$self->{load_path} = $path;
1290		1685
1291	1	1686	1
1292	}	1687	}
1293		1688
1294	sub load_orig {	1689	sub load_header_orig {
1295	my ($self) = @_;	1690	my ($self) = @_;
1296		1691
1297	$self->load_header_from ($self->load_path)	1692	$self->load_header_from ($self->load_path)
1298	}	1693	}
1299		1694
1300	sub load_temp {	1695	sub load_header_temp {
1301	my ($self) = @_;	1696	my ($self) = @_;
1302		1697
1303	$self->load_header_from ($self->save_path)	1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
1304	}	1718	}
1305		1719
1306	sub load_header {	1720	sub load_header {
1307	my ($self) = @_;	1721	my ($self) = @_;
1308		1722
1309	if ($self->load_temp) {	1723	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1724	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1725	} else {
1316	$self->load_orig	1726	$self->load_header_orig
1317	or return;	1727	or return;
1318		1728	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1729	}
		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
		1734	$self->default_region (cf::region::find_by_path $self->{path})
		1735	unless $self->default_region;
1324		1736
1325	1	1737	1
1326	}	1738	}
1327		1739
1328	sub find;	1740	sub find;
…		…
1341	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1342		1754
1343	$map->load_header	1755	$map->load_header
1344	or return;	1756	or return;
1345		1757
1346	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1349	$map->reset;	1761	$map->reset;
1350	undef $guard;	1762	undef $guard;
1351	$map = find $path	1763	return find $path;
1352	or return;
1353	}	1764	}
1354		1765
1355	$cf::MAP{$path} = $map	1766	$cf::MAP{$path} = $map
1356	}	1767	}
1357	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1358		1772
1359	sub load {	1773	sub load {
1360	my ($self) = @_;	1774	my ($self) = @_;
1361		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1362	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1364		1782
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1784
1367	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1368		1786
1369	$self->alloc;	1787	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)
1371	or return;
1372		1788
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1789	$self->pre_load;
1374	if delete $self->{load_original};
1375
1376	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {
1379	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);
1381	}
1382	}
1383
1384	Coro::cede;
1385
1386	# now do the right thing for maps
1387	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;	1790	Coro::cede;
1394	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1395	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1810	unless $self->difficulty;
1397	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1398	$self->activate;	1820	$self->activate;
1399	}	1821	}
1400		1822
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
1402	}	1827	}
1403		1828
1404	sub customise_for {	1829	sub customise_for {
1405	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1406		1831
1407	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1409		1837
1410	$self	1838	$self
1411	}	1839	}
1412		1840
1413	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1469	delete $MAP_PREFETCH{$path};	1897	delete $MAP_PREFETCH{$path};
1470	}	1898	}
1471	}	1899	}
1472	undef $MAP_PREFETCHER;	1900	undef $MAP_PREFETCHER;
1473	};	1901	};
		1902	$MAP_PREFETCHER->prio (6);
1474		1903
1475	()	1904	()
1476	}	1905	}
1477		1906
1478	sub save {	1907	sub save {
…		…
1523		1952
1524	sub reset_at {	1953	sub reset_at {
1525	my ($self) = @_;	1954	my ($self) = @_;
1526		1955
1527	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1530		1958
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		1961
…		…
1544	my ($self) = @_;	1972	my ($self) = @_;
1545		1973
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		1975
1548	return if $self->players;	1976	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		1977
1551	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1552		1989
1553	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
1554		1991
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	$self->clear;	1992	$self->clear;
1557		1993
1558	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1559		1995
1560	$self->unlink_save;	1996	$self->unlink_save;
…		…
1579	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1580		2016
1581	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1582	}	2018	}
1583		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1584	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1585		2057
1586	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2059	instantiated unique items. May block.
1588		2060
1589	=cut	2061	=cut
1590		2062
1591	sub unique_maps() {	2063	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1593	or return;	2065	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2066	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2067	/\.map$/
1603	push @paths, $_;	2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2071	]
1605
1606	\@paths
1607	}	2072	}
1608		2073
1609	package cf;	2074	package cf;
1610		2075
1611	=back	2076	=back
…		…
1657		2122
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2124
1660	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1662	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1665	}	2144	}
1666	}	2145	}
1667		2146
1668	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1669		2148
…		…
1702	=cut	2181	=cut
1703		2182
1704	sub link_map {	2183	sub link_map {
1705	unless ($LINK_MAP) {	2184	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2185	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2187	$LINK_MAP->load;
1709	}	2188	}
1710		2189
1711	$LINK_MAP	2190	$LINK_MAP
1712	}	2191	}
…		…
1717	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1718		2197
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2199
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1723		2202
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2204	}
1726		2205
1727	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1729		2210
1730	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1731		2212
1732	unless ($map) {	2213	unless ($map) {
1733	# restore original map position	2214	# restore original map position
…		…
1751	$map->load;	2232	$map->load;
1752	$map->load_diag;	2233	$map->load_diag;
1753		2234
1754	return unless $self->contr->active;	2235	return unless $self->contr->active;
1755	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1757	}	2240	}
1758		2241
1759	cf::player->attach (
1760	on_logout => sub {
1761	my ($pl) = @_;
1762
1763	# abort map switching before logout
1764	if ($pl->ob->{_link_pos}) {
1765	cf::sync_job {
1766	$pl->ob->leave_link
1767	};
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1792		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1793	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1794		2252
1795	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2258
1798	$self->enter_link;	2259	$self->enter_link;
1799		2260
1800	(async {	2261	(async {
		2262	my $map = eval {
1801	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1803		2267	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1808		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1810	})->prio (1);	2284	})->prio (1);
1811	}	2285	}
1812		2286
1813	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1814		2288
…		…
1843	# that depends on the exit object	2317	# that depends on the exit object
1844		2318
1845	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1846		2320
1847	if ($exit->map) {	2321	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1852	}	2326	}
1853		2327
1854	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1855		2329
1856	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1859		2333
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2336	undef $fh;
1863	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1872		2346
1873	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1874		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
		2359
1875	$self->enter_link;	2360	$self->enter_link;
1876		2361
1877	(async {	2362	(async {
1878	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2364	unless (eval {
1880	prepare_random_map $exit	2365	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2366
1886	1;	2367	1;
1887	}) {	2368	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2371	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2373
1893	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2375	$self->leave_link;
1895	}	2376	}
1896	})->prio (1);	2377	})->prio (1);
…		…
1909		2390
1910	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1912		2393
1913	utf8::encode $text;	2394	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2396	}
1916		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1917		2450
1918	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1919		2452
1920	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2456
1924	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2458	become reliable at some point in the future.
1926		2459
1927	=cut	2460	=cut
1928		2461
1929	sub cf::client::query {	2462	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2471	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2473
1941	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
1943	}	2478	}
1944		2479
1945	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
1946	on_reply => sub {	2486	on_reply => sub {
1947	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
1948		2488
1949	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
1950	# get handled first	2490	# get handled first
1951	my $queue = delete $ns->{query_queue}	2491	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2492	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2493
1954	(shift @$queue)->[1]->($msg);	2494	(shift @$queue)->[1]->($msg);
		2495	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2496
1956	push @{ $ns->{query_queue} }, @$queue;	2497	push @{ $ns->{query_queue} }, @$queue;
1957		2498
1958	if (@{ $ns->{query_queue} } == @$queue) {	2499	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2500	if (@$queue) {
…		…
1961	} else {	2502	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2504	}
1964	}	2505	}
1965	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
1966	);	2525	);
1967		2526
1968	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
1969		2528
1970	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
2017		2576
2018	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
2019		2578
2020	=pod	2579	=pod
2021		2580
2022	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
2023		2582
2024	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
2025	cf::object::player player	2584	cf::object::player player
2026	cf::player peaceful	2585	cf::player peaceful
2027	cf::map trigger	2586	cf::map trigger
…		…
2108	=back	2667	=back
2109		2668
2110	=cut	2669	=cut
2111		2670
2112	#############################################################################	2671	#############################################################################
		2672	# the server's init and main functions
2113		2673
2114	=head2 EXTENSION DATABASE SUPPORT	2674	sub load_facedata($) {
		2675	my ($path) = @_;
2115		2676
2116	Crossfire maintains a very simple database for extension use. It can	2677	warn "loading facedata from $path\n";
2117	currently store anything that can be serialised using Storable, which
2118	excludes objects.
2119		2678
2120	The parameter C<$family> should best start with the name of the extension	2679	my $facedata;
2121	using it, it should be unique.	2680	0 < aio_load $path, $facedata
		2681	or die "$path: $!";
2122		2682
2123	=over 4	2683	$facedata = Coro::Storable::thaw $facedata;
2124		2684
2125	=item $hashref = cf::db_get $family	2685	$facedata->{version} == 2
		2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		2687
2127	Return a hashref for use by the extension C<$family>, which can be
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130
2131	=item $value = cf::db_get $family => $key
2132
2133	Returns a single value from the database
2134
2135	=item cf::db_put $family => $hashref
2136
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}	2688	{
		2689	my $faces = $facedata->{faceinfo};
2163		2690
2164	my $pid;	2691	while (my ($face, $info) = each %$faces) {
2165		2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2166	sub db_save() {	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2167	waitpid $pid, 0 if $pid;	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2168	if (0 == ($pid = fork)) {	2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2169	$DB->{_meta}{version} = 1;	2696	Coro::cede;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});
2186
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}
2191
2192	sub db_get($;$) {
2193	@_ >= 2
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197
2198	sub db_put($$;$) {
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2697	}
2212	);
2213	}
2214		2698
2215	#############################################################################	2699	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2700	next unless $info->{smooth};
		2701	my $idx = cf::face::find $face
		2702	or next;
		2703	if (my $smooth = cf::face::find $info->{smooth}) {
		2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2705	} else {
		2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2707	}
		2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
		2721	}
		2722
		2723	1
		2724	}
		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
		2751	sub reload_resources {
		2752	warn "reloading resource files...\n";
		2753
		2754	reload_regions;
		2755	reload_facedata;
		2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
		2761	}
		2762
		2763	sub init {
		2764	reload_resources;
		2765	}
2217		2766
2218	sub cfg_load {	2767	sub cfg_load {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	2769	or return;
2221		2770
2222	local $/;	2771	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2224		2773
…		…
2244	Event::one_event;	2793	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	2794	})->prio (Coro::PRIO_MAX);
2246	};	2795	};
2247		2796
2248	cfg_load;	2797	cfg_load;
2249	db_load;	2798	db_init;
2250	load_extensions;	2799	load_extensions;
2251		2800
2252	$TICK_WATCHER->start;	2801	$TICK_WATCHER->start;
2253	Event::loop;	2802	Event::loop;
2254	}	2803	}
…		…
2258		2807
2259	# install some emergency cleanup handlers	2808	# install some emergency cleanup handlers
2260	BEGIN {	2809	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	2810	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	2811	Event->signal (
		2812	reentrant => 0,
2263	data => WF_AUTOCANCEL,	2813	data => WF_AUTOCANCEL,
2264	signal => $signal,	2814	signal => $signal,
		2815	prio => 0,
2265	cb => sub {	2816	cb => sub {
2266	cf::cleanup "SIG$signal";	2817	cf::cleanup "SIG$signal";
2267	},	2818	},
2268	);	2819	);
2269	}	2820	}
		2821	}
		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
2270	}	2859	}
2271		2860
2272	sub emergency_save() {	2861	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2274		2863
…		…
2291	my $map = $cf::MAP{$path} or next;	2880	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	2881	$map->valid or next;
2293	$map->save;	2882	$map->save;
2294	}	2883	}
2295	warn "end emergency map save\n";	2884	warn "end emergency map save\n";
		2885
		2886	warn "begin emergency database checkpoint\n";
		2887	BDB::db_env_txn_checkpoint $DB_ENV;
		2888	warn "end emergency database checkpoint\n";
2296	};	2889	};
2297		2890
2298	warn "leave emergency perl save\n";	2891	warn "leave emergency perl save\n";
2299	}	2892	}
2300		2893
		2894	sub post_cleanup {
		2895	my ($make_core) = @_;
		2896
		2897	warn Carp::longmess "post_cleanup backtrace"
		2898	if $make_core;
		2899	}
		2900
2301	sub reload() {	2901	sub do_reload_perl() {
2302	# can/must only be called in main	2902	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	2904	warn "can only reload from main coroutine";
2305	return;	2905	return;
2306	}	2906	}
2307		2907
2308	warn "reloading...";	2908	warn "reloading...";
2309		2909
2310	warn "cancelling server ticker";	2910	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		2911
		2912	cf::sync_job {
		2913	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	2914	cf::emergency_save;
		2915	cf::write_runtime; # external watchdog should not bark
2314		2916
2315	eval {	2917	warn "syncing database to disk";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919
2316	# if anything goes wrong in here, we should simply crash as we already saved	2920	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		2921
2321	warn "cancelling all WF_AUTOCANCEL watchers";	2922	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	2923	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	2925	}
2325		2926
2326	warn "flushing outstanding aio requests";	2927	warn "flushing outstanding aio requests";
2327	for (;;) {	2928	for (;;) {
		2929	BDB::flush;
2328	IO::AIO::flush;	2930	IO::AIO::flush;
2329	Coro::cede;	2931	Coro::cede;
2330	last unless IO::AIO::nreqs;	2932	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	2933	warn "iterate...";
2332	}	2934	}
		2935
		2936	++$RELOAD;
2333		2937
2334	warn "cancelling all extension coros";	2938	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	2939	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	2940	%EXT_CORO = ();
2337		2941
2338	warn "removing commands";	2942	warn "removing commands";
2339	%COMMAND = ();	2943	%COMMAND = ();
2340		2944
2341	warn "removing ext commands";	2945	warn "removing ext/exti commands";
2342	%EXTCMD = ();	2946	%EXTCMD = ();
		2947	%EXTICMD = ();
2343		2948
2344	warn "unloading/nuking all extensions";	2949	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	2950	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	2951	warn "... unloading $pkg";
2347		2952
…		…
2377	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		2984
2380	warn "unloading cf.pm \"a bit\"";	2985	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2382		2988
2383	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2384	# and global variables created in xs	2990	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2386		2992
…		…
2390	require cf;	2996	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		2998
2393	warn "loading config and database again";	2999	warn "loading config and database again";
2394	cf::cfg_load;	3000	cf::cfg_load;
2395	cf::db_load;
2396		3001
2397	warn "loading extensions";	3002	warn "loading extensions";
2398	cf::load_extensions;	3003	cf::load_extensions;
2399		3004
2400	warn "reattaching attachments to objects/players";	3005	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3006	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3007	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
		3009	warn "reattaching attachments to players";
		3010	reattach $_ for values %PLAYER;
2404		3011
2405	warn "restarting server ticker";	3012	warn "leaving sync_job";
2406		3013
2407	$TICK_WATCHER->start;	3014	1
2408	};	3015	} or do {
2409
2410	if ($@) {
2411	warn $@;	3016	warn $@;
2412	warn "error while reloading, exiting.";	3017	warn "error while reloading, exiting.";
2413	exit 1;	3018	exit 1;
2414	}	3019	};
2415		3020
2416	warn "reloaded";	3021	warn "reloaded";
2417	};	3022	};
2418		3023
2419	our $RELOAD_WATCHER; # used only during reload	3024	our $RELOAD_WATCHER; # used only during reload
2420		3025
		3026	sub reload_perl() {
		3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
		3029
		3030	$RELOAD_WATCHER ||= Event->timer (
		3031	reentrant => 0,
		3032	after => 0,
		3033	data => WF_AUTOCANCEL,
		3034	cb => sub {
		3035	do_reload_perl;
		3036	undef $RELOAD_WATCHER;
		3037	},
		3038	);
		3039	}
		3040
2421	register_command "reload" => sub {	3041	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2423		3043
2424	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3045	$who->message ("reloading server.");
2426		3046	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3047	}
2435	};	3048	};
2436		3049
2437	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2438		3051
2439	my $bug_warning = 0;	3052	my $bug_warning = 0;
2440		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3078	reentrant => 0,
2443	parked => 1,	3079	parked => 1,
2444	prio => 0,	3080	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3086	unless ++$bug_warning > 10;
2451	return;	3087	return;
2452	}	3088	}
2453		3089
2454	$NOW = Event::time;	3090	$NOW = $tick_start = Event::time;
2455		3091
2456	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2457	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2459		3119
2460	$WAIT_FOR_TICK->broadcast;	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3122	Coro::async_pool {
		3123	write_runtime
		3124	or warn "ERROR: unable to write runtime file: $!";
		3125	};
		3126	}
		3127
		3128	# my $AFTER = Event::time;
		3129	# warn $AFTER - $NOW;#d#
		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
2462		3139
2463	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3142
2466	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2468	},	3152	},
2469	);	3153	);
2470		3154
		3155	{
		3156	BDB::max_poll_time $TICK * 0.1;
		3157	$BDB_POLL_WATCHER = Event->io (
		3158	reentrant => 0,
		3159	fd => BDB::poll_fileno,
		3160	poll => 'r',
		3161	prio => 0,
		3162	data => WF_AUTOCANCEL,
		3163	cb => \&BDB::poll_cb,
		3164	);
		3165	BDB::min_parallel 8;
		3166
		3167	BDB::set_sync_prepare {
		3168	my $status;
		3169	my $current = $Coro::current;
		3170	(
		3171	sub {
		3172	$status = $!;
		3173	$current->ready; undef $current;
		3174	},
		3175	sub {
		3176	Coro::schedule while defined $current;
		3177	$! = $status;
		3178	},
		3179	)
		3180	};
		3181
		3182	unless ($DB_ENV) {
		3183	$DB_ENV = BDB::db_env_create;
		3184
		3185	cf::sync_job {
		3186	eval {
		3187	BDB::db_env_open
		3188	$DB_ENV,
		3189	$BDBDIR,
		3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3192	0666;
		3193
		3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3195
		3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3197	$DB_ENV->set_lk_detect;
		3198	};
		3199
		3200	cf::cleanup "db_env_open(db): $@" if $@;
		3201	};
		3202	}
		3203	}
		3204
		3205	{
		3206	IO::AIO::min_parallel 8;
		3207
		3208	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3209	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3210	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3211	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3212	data => WF_AUTOCANCEL,
2483	after => 1,	3213	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3214	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3215	prio => 6,
2486	cb => Coro::unblock_sub {	3216	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3217	);
2488	or warn "ERROR: unable to write runtime file: $!";	3218	}
		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3255	}
2490	);	3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
2491		3260
2492	END { cf::emergency_save }	3261	END { cf::emergency_save }
2493		3262
2494	1	3263	1
2495		3264

Diff Legend

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