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 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.311 by root, Fri Jul 20 16:11:10 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;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28		43
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
31		46
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		48
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	94
57	our %EXT_CORO; # coroutines bound to extensions	95	# used to convert map paths into valid unix filenames by replacing / by ∕
		96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
58		101
59	binmode STDOUT;	102	binmode STDOUT;
60	binmode STDERR;	103	binmode STDERR;
61		104
62	# read virtual server time, if available	105	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
67	}	110	}
68		111
69	mkdir cf::localdir;	112	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		114
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
78		118
79	#############################################################################	119	#############################################################################
80		120
81	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
82		122
…		…
89	=item $cf::RUNTIME	129	=item $cf::RUNTIME
90		130
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	132	every server tick.
93		133
94	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		137
96	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
98		142
99	=item $cf::NOW	143	=item $cf::NOW
100		144
101	The time of the last (current) server tick.	145	The time of the last (current) server tick.
102		146
103	=item $cf::TICK	147	=item $cf::TICK
104		148
105	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
106		160
107	=item %cf::CFG	161	=item %cf::CFG
108		162
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	164	from wherever your confdir points to.
		165
		166	=item cf::wait_for_tick, cf::wait_for_tick_begin
		167
		168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		169	returns directly I<after> the tick processing (and consequently, can only wake one process
		170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
111		177
112	=back	178	=back
113		179
114	=cut	180	=cut
115		181
116	BEGIN {	182	BEGIN {
117	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	184	my $msg = join "", @_;
119	utf8::encode $msg;
120		185
121	$msg .= "\n"	186	$msg .= "\n"
122	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
123		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
124	LOG llevError, $msg;	192	LOG llevError, $msg;
125	};	193	};
126	}	194	}
127		195
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		203
135	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	205	# within the Safe compartment.
137	for my $pkg (qw(	206	for my $pkg (qw(
138	cf::global cf::attachable	207	cf::global cf::attachable
…		…
147		216
148	$Event::DIED = sub {	217	$Event::DIED = sub {
149	warn "error in event callback: @_";	218	warn "error in event callback: @_";
150	};	219	};
151		220
152	my %ext_pkg;	221	#############################################################################
153	my @exts;
154	my @hook;
155		222
156	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
157		224
158	=over 4	225	=over 4
159		226
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	246	$d
180	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
181	}	248	}
182		249
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
186		251
187	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
188		253
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
197		255
198	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
199		257
200	=cut	258	=cut
201		259
202	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
204	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
206		264
207	=item cf::lock_wait $string	265	=item cf::lock_wait $string
208		266
209	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
210		268
…		…
216	returned.	274	returned.
217		275
218	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
220		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
221	=cut	283	=cut
222		284
223	our %LOCK;	285	our %LOCK;
224		286
225	sub lock_wait($) {	287	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
246	}	308	}
247	}	309	}
248		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
249	sub freeze_mainloop {	317	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
251		319
252	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
253	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
254	$guard	324	$guard
255	}	325	}
256		326
257	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
264		334
265	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
266		336
267	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
268		338
269	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
272		343
273	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
276	fast or be very important.	347	fast or be very important.
…		…
279		350
280	sub sync_job(&) {	351	sub sync_job(&) {
281	my ($job) = @_;	352	my ($job) = @_;
282		353
283	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
284	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
286		359
287	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
299		372
300	while ($busy) {	373	while ($busy) {
301	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
302	}	375	}
303		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
304	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
305	} else {	385	} else {
306	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
307		387
308	$job->()	388	$job->()
309	}	389	}
310	}	390	}
311		391
312	=item $coro = cf::async_ext { BLOCK }	392	=item $coro = cf::async_ext { BLOCK }
313		393
314	Like async, but this coro is automcatially being canceled when the	394	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	395	extension calling this is being unloaded.
316		396
317	=cut	397	=cut
318		398
319	sub async_ext(&) {	399	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
328		408
329	$coro	409	$coro
330	}	410	}
331		411
332	sub write_runtime {	412	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		413
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
336	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
337		418
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		420
342	aio_fsync $fh	421	sub _store_scalar {
343	and return;	422	open my $fh, ">", \my $buf
344		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
345	close $fh	425	close $fh;
346	or return;
347		426
348	aio_rename "$runtime~", $runtime	427	$buf
349	and return;	428	}
350		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
351	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	599	}
353		600
354	=back	601	=back
355		602
356	=cut	603	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		604
480	#############################################################################	605	#############################################################################
481		606
482	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
483		608
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
487		612
488	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	615	Crossfire TRT).
491		616
492	=over 4	617	=over 4
493		618
494	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
495		620
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	735	our @CB_MAP = ();
611		736
612	my %attachment;	737	my %attachment;
613		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
614	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
616		747
617	use sort 'stable';	748	use sort 'stable';
618		749
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
653		784
654	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		789
659	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	791	my $pkg = shift @arg;
661		792
662	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
692	}	823	}
693		824
694	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
695	} else {	826	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	828	}
698		829
699	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
700	}	831	}
701		832
…		…
703	if (ref $_[0]) {	834	if (ref $_[0]) {
704	_object_attach @_;	835	_object_attach @_;
705	} else {	836	} else {
706	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
707	}	838	}
		839	_recalc_want;
708	};	840	};
709		841
710	# all those should be optimised	842	# all those should be optimised
711	sub cf::attachable::detach {	843	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
716	reattach ($obj);	848	reattach ($obj);
717	} else {	849	} else {
718	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
719	}	851	}
		852	_recalc_want;
720	};	853	};
721		854
722	sub cf::attachable::attached {	855	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
724		857
…		…
739	";	872	";
740	die if $@;	873	die if $@;
741	}	874	}
742		875
743	our $override;	876	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		878
746	sub override {	879	sub override {
747	$override = 1;	880	$override = 1;
748	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
749	}	882	}
750		883
751	sub do_invoke {	884	sub do_invoke {
752	my $event = shift;	885	my $event = shift;
753	my $callbacks = shift;	886	my $callbacks = shift;
754		887
755	@invoke_results = ();	888	@INVOKE_RESULTS = ();
756		889
757	local $override;	890	local $override;
758		891
759	for (@$callbacks) {	892	for (@$callbacks) {
760	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
777		910
778	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
779		912
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		916
784	=back	917	=back
785		918
786	=cut	919	=cut
787		920
…		…
789	# object support	922	# object support
790		923
791	sub reattach {	924	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		929
795	my $registry = $obj->registry;	930	my $registry = $obj->registry;
796		931
797	@$registry = ();	932	@$registry = ();
798		933
…		…
845	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
846		981
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	986	close $fh;
852		987
853	if (@$objs) {	988	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	994	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
861	}	996	}
862	} else {	997	} else {
863	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
895	or return;	1030	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1032	}
898		1033
899	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1036	return ($data, $av);
902	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
903		1044
904	#############################################################################	1045	#############################################################################
905	# command handling &c	1046	# command handling &c
906		1047
907	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1062	}
922		1063
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1065
925	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
926		1071
927	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
928	called.	1073	called.
929		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
930	=cut	1086	=cut
931		1087
932	sub register_extcmd {	1088	sub register_extcmd {
933	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
934		1090
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
939	}	1098	}
940		1099
941	cf::player->attach (	1100	cf::player->attach (
942	on_command => sub {	1101	on_command => sub {
943	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1111	cf::override;
953	},	1112	},
954	on_extcmd => sub {	1113	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
956		1115
957	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1117
959	if (ref $msg) {	1118	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	1122	}
964	}	1123	}
965	} else {	1124	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		1127
969	cf::override;	1128	cf::override;
970	},	1129	},
971	);	1130	);
972		1131
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
1050	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1137	next unless -r $path;
1052	eval {	1138
1053	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
1054	1	1196	}
1055	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
1056	}	1202	};
1057	}	1203	}
1058		1204
1059	#############################################################################	1205	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1206
1062	*cf::mapsupport::on_clean = sub {	1207	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1208
1097	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
1098		1210
1099	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
1100		1212
…		…
1113	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
1114		1226
1115	=cut	1227	=cut
1116		1228
1117	sub playerdir($) {	1229	sub playerdir($) {
1118	cf::localdir	1230	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1232	}
1124		1233
1125	sub path($) {	1234	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1236
1128	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
1129	}	1238	}
1130		1239
1131	sub find_active($) {	1240	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
1136		1245
1137	sub exists($) {	1246	sub exists($) {
1138	my ($login) = @_;	1247	my ($login) = @_;
1139		1248
1140	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
1142	}	1251	}
1143		1252
1144	sub find($) {	1253	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1255	my $login = $_[0];
1147		1256
1148	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
1149		1258
1150	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
1151	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
1152	or return;	1268	or return;
1153	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
1154	}	1270	}
1155	}	1271	}
…		…
1192		1308
1193	=cut	1309	=cut
1194		1310
1195	sub quit_character {	1311	sub quit_character {
1196	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1197		1315
1198	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1318
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1211	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1212	}	1350	}
1213		1351
1214	=item cf::player::list_logins	1352	=item cf::player::list_logins
1215		1353
1216	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1218		1356
1219	=cut	1357	=cut
1220		1358
1221	sub list_logins {	1359	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1361	or return [];
1224		1362
1225	my @logins;	1363	my @logins;
1226		1364
1227	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1367	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1368	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1369
1232	utf8::decode $login;	1370	utf8::decode $login;
1233	push @logins, $login;	1371	push @logins, $login;
1234	}	1372	}
1235		1373
1236	\@logins	1374	\@logins
1237	}	1375	}
1238		1376
1239	=item $player->maps	1377	=item $player->maps
1240		1378
1241	Returns an arrayref of cf::path's of all maps that are private for this	1379	Returns an arrayref of map paths that are private for this
1242	player. May block.	1380	player. May block.
1243		1381
1244	=cut	1382	=cut
1245		1383
1246	sub maps($) {	1384	sub maps($) {
1247	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1388
1249	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1250	or return;	1390	or return;
1251		1391
1252	my @paths;	1392	my @paths;
1253		1393
1254	for (@$files) {	1394	for (@$files) {
1255	utf8::decode $_;	1395	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1397	next unless /^$PATH_SEP/o;
1258		1398
1259	s/$PATH_SEP/\//g;	1399	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1400	}
1262		1401
1263	\@paths	1402	\@paths
1264	}	1403	}
1265		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1267		1456
1268	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1269		1458
1270	=cut	1459	=cut
1271		1460
1272	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1274		1463
1275	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1276		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1466	}
1279		1467
1280	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1281		1508
1282	=back	1509	=back
1283
1284		1510
1285	=head3 cf::map	1511	=head3 cf::map
1286		1512
1287	=over 4	1513	=over 4
1288		1514
…		…
1291	package cf::map;	1517	package cf::map;
1292		1518
1293	use Fcntl;	1519	use Fcntl;
1294	use Coro::AIO;	1520	use Coro::AIO;
1295		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1296	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1298		1528
1299	sub generate_random_map {	1529	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1532	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
		1544	)
		1545	}
		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
		1555	sub register {
		1556	my (undef, $regex, $prio) = @_;
		1557	my $pkg = caller;
		1558
		1559	no strict;
		1560	push @{"$pkg\::ISA"}, __PACKAGE__;
		1561
		1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1563	}
		1564
		1565	# also paths starting with '/'
		1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
		1577
		1578	sub normalise {
		1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
		1584
		1585	# map plan:
		1586	#
		1587	# /! non-realised random map exit (special hack!)
		1588	# {... are special paths that are not being touched
		1589	# ?xxx/... are special absolute paths
		1590	# ?random/... random maps
		1591	# /... normal maps
		1592	# ~user/... per-player map of a specific user
		1593
		1594	$path =~ s/$PATH_SEP/\//go;
		1595
		1596	# treat it as relative path if it starts with
		1597	# something that looks reasonable
		1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1600
		1601	$base =~ s{[^/]+/?$}{};
		1602	$path = "$base/$path";
		1603	}
		1604
		1605	for ($path) {
		1606	redo if s{//}{/};
		1607	redo if s{/\.?/}{/};
		1608	redo if s{/[^/]+/\.\./}{/};
		1609	}
		1610
		1611	$path
		1612	}
		1613
		1614	sub new_from_path {
		1615	my (undef, $path, $base) = @_;
		1616
		1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1618
		1619	$path = normalise $path, $base;
		1620
		1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1623	my $self = bless cf::map::new, $pkg;
		1624	$self->{path} = $path; $self->path ($path);
		1625	$self->init; # pass $1 etc.
		1626	return $self;
		1627	}
		1628	}
		1629
		1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1631	()
		1632	}
		1633
		1634	sub init {
		1635	my ($self) = @_;
		1636
		1637	$self
		1638	}
		1639
		1640	sub as_string {
		1641	my ($self) = @_;
		1642
		1643	"$self->{path}"
		1644	}
		1645
		1646	# the displayed name, this is a one way mapping
		1647	sub visible_name {
		1648	&as_string
		1649	}
		1650
		1651	# the original (read-only) location
		1652	sub load_path {
		1653	my ($self) = @_;
		1654
		1655	"$MAPDIR/$self->{path}.map"
		1656	}
		1657
		1658	# the temporary/swap location
		1659	sub save_path {
		1660	my ($self) = @_;
		1661
		1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1663	"$TMPDIR/$path.map"
		1664	}
		1665
		1666	# the unique path, undef == no special unique path
		1667	sub uniq_path {
		1668	my ($self) = @_;
		1669
		1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1671	"$UNIQUEDIR/$path"
1316	}	1672	}
1317		1673
1318	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1319	# all maps in C++...	1675	# all maps in C++...
1320	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1322		1678
1323	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1325	}	1681	}
1326		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
		1691	sub unlink_save {
		1692	my ($self) = @_;
		1693
		1694	utf8::encode (my $save = $self->save_path);
		1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1697	}
		1698
1327	sub try_load_header($) {	1699	sub load_header_from($) {
1328	my ($path) = @_;	1700	my ($self, $path) = @_;
1329		1701
1330	utf8::encode $path;	1702	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1332	or return;	1707	or return;
1333		1708
1334	my $map = cf::map::new	1709	$self->{load_path} = $path;
		1710
		1711	1
		1712	}
		1713
		1714	sub load_header_orig {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->load_path)
		1718	}
		1719
		1720	sub load_header_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
		1743	}
		1744
		1745	sub load_header {
		1746	my ($self) = @_;
		1747
		1748	if ($self->load_header_temp) {
		1749	$self->prepare_temp;
		1750	} else {
		1751	$self->load_header_orig
1335	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1336		1755
1337	# for better error messages only, will be overwritten	1756	$self->{deny_reset} = 1
1338	$map->path ($path);	1757	if $self->no_reset;
1339		1758
1340	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1760	unless $self->default_region;
1342		1761
1343	$map->{load_path} = $path;	1762	1
1344
1345	$map
1346	}	1763	}
1347		1764
1348	sub find;	1765	sub find;
1349	sub find {	1766	sub find {
1350	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1351		1768
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1770
1357	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1358		1772
1359	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1361		1775	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1776	or return;
1381		1777
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1394		1779
1395	Coro::cede;	1780	$map->load_header
		1781	or return;
1396		1782
1397	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1786	$map->reset;
1399	undef $guard;	1787	undef $guard;
1400	$map = find $path	1788	return find $path;
1401	or return;
1402	}	1789	}
1403		1790
1404	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1405	}	1792	}
1406	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1407		1797
1408	sub load {	1798	sub load {
1409	my ($self) = @_;	1799	my ($self) = @_;
1410		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1411	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1413		1807
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1809
1416	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1417		1811
1418	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1419	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1818	or return;
1421		1819
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1821	if delete $self->{load_original};
1424		1822
1425	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1824	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1826	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1430	}	1828	}
1431	}	1829	}
1432		1830
1433	Coro::cede;	1831	Coro::cede;
1434
1435	# now do the right thing for maps	1832	# now do the right thing for maps
1436	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1835	unless $self->difficulty;
		1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1448	$self->activate;	1845	$self->activate;
1449	}	1846	}
1450		1847
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
		1852	}
		1853
		1854	sub customise_for {
		1855	my ($self, $ob) = @_;
		1856
		1857	return find "~" . $ob->name . "/" . $self->{path}
		1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
		1863	$self
		1864	}
		1865
		1866	# find and load all maps in the 3x3 area around a map
		1867	sub load_diag {
		1868	my ($map) = @_;
		1869
		1870	my @diag; # diagonal neighbours
		1871
		1872	for (0 .. 3) {
		1873	my $neigh = $map->tile_path ($_)
		1874	or next;
		1875	$neigh = find $neigh, $map
		1876	or next;
		1877	$neigh->load;
		1878
		1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1881	}
		1882
		1883	for (@diag) {
		1884	my $neigh = find @$_
		1885	or next;
		1886	$neigh->load;
		1887	}
1454	}	1888	}
1455		1889
1456	sub find_sync {	1890	sub find_sync {
1457	my ($path, $origin) = @_;	1891	my ($path, $origin) = @_;
1458		1892
1459	cf::sync_job { cf::map::find $path, $origin }	1893	cf::sync_job { find $path, $origin }
1460	}	1894	}
1461		1895
1462	sub do_load_sync {	1896	sub do_load_sync {
1463	my ($map) = @_;	1897	my ($map) = @_;
1464		1898
1465	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1466	}	1900	}
1467		1901
		1902	our %MAP_PREFETCH;
		1903	our $MAP_PREFETCHER = undef;
		1904
		1905	sub find_async {
		1906	my ($path, $origin) = @_;
		1907
		1908	$path = normalise $path, $origin && $origin->{path};
		1909
		1910	if (my $map = $cf::MAP{$path}) {
		1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1912	}
		1913
		1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
		1927	$MAP_PREFETCHER->prio (6);
		1928
		1929	()
		1930	}
		1931
1468	sub save {	1932	sub save {
1469	my ($self) = @_;	1933	my ($self) = @_;
1470		1934
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1936
1473	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1474		1938
1475	return unless $self->dirty;	1939	return unless $self->dirty;
1476		1940
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1943
1480	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1481		1945
1482	return if $self->{deny_save};	1946	return if $self->{deny_save};
1483		1947
…		…
1486	cf::async {	1950	cf::async {
1487	$_->contr->save for $self->players;	1951	$_->contr->save for $self->players;
1488	};	1952	};
1489		1953
1490	if ($uniq) {	1954	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1957	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1959	}
1496	}	1960	}
1497		1961
1498	sub swap_out {	1962	sub swap_out {
1499	my ($self) = @_;	1963	my ($self) = @_;
…		…
1513		1977
1514	sub reset_at {	1978	sub reset_at {
1515	my ($self) = @_;	1979	my ($self) = @_;
1516		1980
1517	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1520		1983
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1986
…		…
1528	my ($self) = @_;	1991	my ($self) = @_;
1529		1992
1530	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1531	}	1994	}
1532		1995
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1996	sub reset {
1555	my ($self) = @_;	1997	my ($self) = @_;
1556		1998
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2000
1559	return if $self->players;	2001	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2002
1562	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1563		2014
1564	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1565		2018
1566	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1567		2020
1568	$self->unlink_save;	2021	$self->unlink_save;
1569	$self->destroy;	2022	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1573		2026
1574	sub nuke {	2027	sub nuke {
1575	my ($self) = @_;	2028	my ($self) = @_;
1576		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1580	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1581	}	2043	}
1582		2044
1583	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2046
1586	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1588	}	2053	[
1589		2054	map {
1590	$map	2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
1591	}	2061	}
1592		2062
1593	sub emergency_save {	2063	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2064
1596	warn "enter emergency perl save\n";	2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
1597		2067
1598	cf::sync_job {	2068	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2069
1603	warn "begin emergency map save\n";	2070	sub random_maps() {
1604	$_->save for values %cf::MAP;	2071	[
1605	warn "end emergency map save\n";	2072	map {
1606	};	2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
1607		2080
1608	warn "leave emergency perl save\n";	2081	=item cf::map::unique_maps
		2082
		2083	Returns an arrayref of paths of all shared maps that have
		2084	instantiated unique items. May block.
		2085
		2086	=cut
		2087
		2088	sub unique_maps() {
		2089	[
		2090	map {
		2091	utf8::decode $_;
		2092	/\.map$/
		2093	? normalise $_
		2094	: ()
		2095	} @{ aio_readdir $UNIQUEDIR or [] }
		2096	]
1609	}	2097	}
1610		2098
1611	package cf;	2099	package cf;
1612		2100
1613	=back	2101	=back
1614		2102
		2103	=head3 cf::object
		2104
		2105	=cut
		2106
		2107	package cf::object;
		2108
		2109	=over 4
		2110
		2111	=item $ob->inv_recursive
		2112
		2113	Returns the inventory of the object _and_ their inventories, recursively.
		2114
		2115	=cut
		2116
		2117	sub inv_recursive_;
		2118	sub inv_recursive_ {
		2119	map { $_, inv_recursive_ $_->inv } @_
		2120	}
		2121
		2122	sub inv_recursive {
		2123	inv_recursive_ inv $_[0]
		2124	}
		2125
		2126	package cf;
		2127
		2128	=back
1615		2129
1616	=head3 cf::object::player	2130	=head3 cf::object::player
1617		2131
1618	=over 4	2132	=over 4
1619		2133
…		…
1633		2147
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2149
1636	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1638	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1641	}	2169	}
1642	}	2170	}
1643		2171
1644	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1645		2173
…		…
1659		2187
1660	=item $player_object->enter_link	2188	=item $player_object->enter_link
1661		2189
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2190	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2191
1664	The player should be reaosnably safe there for short amounts of time. You	2192	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1666		2194
		2195	Will never block.
		2196
1667	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1668		2198
1669	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2202	fails, to the emergency map position.
1673		2203
1674	Might block.	2204	Might block.
1675		2205
1676	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($LINK_MAP) {
		2210	$LINK_MAP = cf::map::find "{link}"
		2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2212	$LINK_MAP->load;
		2213	}
		2214
		2215	$LINK_MAP
		2216	}
1677		2217
1678	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2219	my ($self) = @_;
1680		2220
1681	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1682		2222
1683	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2224
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1687		2227
1688	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2229	}
1690		2230
1691	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1693		2235
1694	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1695		2237
1696	unless ($map) {	2238	unless ($map) {
1697	# restore original map position	2239	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2253	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2254	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2255	if $x <=0 && $y <= 0;
1714		2256
1715	$map->load;	2257	$map->load;
		2258	$map->load_diag;
1716		2259
1717	return unless $self->contr->active;	2260	return unless $self->contr->active;
1718	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1720	}	2265	}
1721		2266
1722	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2268
1726	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1730	};	2273	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2274
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1757		2278
1758	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2281
1761	$path = new cf::path $path;	2282	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2284
1764	$self->enter_link;	2285	$self->enter_link;
1765		2286
1766	(async {	2287	(async {
		2288	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1769		2293	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1774		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1776	})->prio (1);	2312	})->prio (1);
1777	}	2313	}
1778		2314
1779	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1780		2316
…		…
1782		2318
1783	sub parse_random_map_params {	2319	sub parse_random_map_params {
1784	my ($spec) = @_;	2320	my ($spec) = @_;
1785		2321
1786	my $rmp = { # defaults	2322	my $rmp = { # defaults
1787	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1789	};	2327	};
1790		2328
1791	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1793		2331
…		…
1797	$rmp	2335	$rmp
1798	}	2336	}
1799		2337
1800	sub prepare_random_map {	2338	sub prepare_random_map {
1801	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2342
1803	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2345	# that depends on the exit object
1806		2346
1807	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1808		2348
1809	if ($exit->map) {	2349	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1814	}	2354	}
1815		2355
1816	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1817		2357
1818	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1820		2361
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1823		2366
1824	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2368	$exit->msg (undef);
1826	}	2369	}
1827	}	2370	}
…		…
1829	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1831		2374
1832	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1833		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1834	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1835		2393
1836	(async {	2394	(async {
1837	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2396	unless (eval {
1839	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2398
1845	1;	2399	1;
1846	}) {	2400	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2403	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2405
1852	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2407	$self->leave_link;
1854	}	2408	}
1855	})->prio (1);	2409	})->prio (1);
…		…
1868		2422
1869	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1871		2425
1872	utf8::encode $text;	2426	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2428	}
1875		2429
		2430	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $channel, $msg, $color, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	$color &= ~cf::NDI_UNIQUE; # just in case...
		2447
		2448	if (ref $channel) {
		2449	# send meta info to client, if not yet sent
		2450	unless (exists $self->{channel}{$channel->{id}}) {
		2451	$self->{channel}{$channel->{id}} = $channel;
		2452	$self->ext_event (channel_info => %$channel);
		2453	}
		2454
		2455	$channel = $channel->{id};
		2456	}
		2457
		2458	if ($self->can_msg) {
		2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2460	} else {
		2461	# replace some tags by gcfclient-compatible ones
		2462	for ($msg) {
		2463	1 while
		2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2469	}
		2470
		2471	if ($color >= 0) {
		2472	if (0 && $msg =~ /\[/) {
		2473	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2474	} else {
		2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2476	$self->send_packet ("drawinfo $color $msg")
		2477	}
		2478	}
		2479	}
		2480	}
		2481
		2482	=item $client->ext_event ($type, %msg)
		2483
		2484	Sends an ext event to the client.
		2485
		2486	=cut
		2487
		2488	sub cf::client::ext_event($$%) {
		2489	my ($self, $type, %msg) = @_;
		2490
		2491	return unless $self->extcmd;
		2492
		2493	$msg{msgtype} = "event_$type";
		2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2495	}
1876		2496
1877	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
1878		2498
1879	Queues a query to the client, calling the given callback with	2499	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2500	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2502
1883	Queries can fail, so check the return code. Or don't, as queries will become	2503	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2504	become reliable at some point in the future.
1885		2505
1886	=cut	2506	=cut
1887		2507
1888	sub cf::client::query {	2508	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2517	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2519
1900	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
1902	}	2524	}
1903		2525
1904	cf::client->attach (	2526	cf::client->attach (
		2527	on_connect => sub {
		2528	my ($ns) = @_;
		2529
		2530	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2531	},
1905	on_reply => sub {	2532	on_reply => sub {
1906	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
1907		2534
1908	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
1909	# get handled first	2536	# get handled first
1910	my $queue = delete $ns->{query_queue}	2537	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2538	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2539
1913	(shift @$queue)->[1]->($msg);	2540	(shift @$queue)->[1]->($msg);
		2541	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2542
1915	push @{ $ns->{query_queue} }, @$queue;	2543	push @{ $ns->{query_queue} }, @$queue;
1916		2544
1917	if (@{ $ns->{query_queue} } == @$queue) {	2545	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2546	if (@$queue) {
…		…
1920	} else {	2548	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2550	}
1923	}	2551	}
1924	},	2552	},
		2553	on_exticmd => sub {
		2554	my ($ns, $buf) = @_;
		2555
		2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2557
		2558	if (ref $msg) {
		2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2560	if (my %reply = $cb->($ns, $msg)) {
		2561	$reply{msgid} = $msg->{msgid};
		2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2563	}
		2564	}
		2565	} else {
		2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2567	}
		2568
		2569	cf::override;
		2570	},
1925	);	2571	);
1926		2572
1927	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
1928		2574
1929	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		2622
1977	# here we export the classes and methods available to script code	2623	# here we export the classes and methods available to script code
1978		2624
1979	=pod	2625	=pod
1980		2626
1981	The following fucntions and emthods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
1982		2628
1983	cf::object contr pay_amount pay_player map	2629	cf::object
		2630	contr pay_amount pay_player map x y force_find force_add
		2631	insert remove
		2632
1984	cf::object::player player	2633	cf::object::player
1985	cf::player peaceful	2634	player
1986	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
1987		2641
1988	=cut	2642	=cut
1989		2643
1990	for (	2644	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2646	insert remove)],
1992	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
1995	) {	2650	) {
1996	no strict 'refs';	2651	no strict 'refs';
…		…
2067	=back	2722	=back
2068		2723
2069	=cut	2724	=cut
2070		2725
2071	#############################################################################	2726	#############################################################################
		2727	# the server's init and main functions
2072		2728
2073	=head2 EXTENSION DATABASE SUPPORT	2729	sub load_facedata($) {
		2730	my ($path) = @_;
2074		2731
2075	Crossfire maintains a very simple database for extension use. It can	2732	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2733
2079	The parameter C<$family> should best start with the name of the extension	2734	my $facedata;
2080	using it, it should be unique.	2735	0 < aio_load $path, $facedata
		2736	or die "$path: $!";
2081		2737
2082	=over 4	2738	$facedata = Coro::Storable::thaw $facedata;
2083		2739
2084	=item $hashref = cf::db_get $family	2740	$facedata->{version} == 2
		2741	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2742
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2743	{
		2744	my $faces = $facedata->{faceinfo};
2122		2745
2123	my $pid;	2746	while (my ($face, $info) = each %$faces) {
		2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2748	cf::face::set_visibility $idx, $info->{visibility};
		2749	cf::face::set_magicmap $idx, $info->{magicmap};
		2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2124		2752
2125	sub db_save() {	2753	cf::cede_to_tick;
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2754	}
2171	);
2172	}
2173		2755
2174	#############################################################################	2756	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2757	next unless $info->{smooth};
		2758	my $idx = cf::face::find $face
		2759	or next;
		2760	if (my $smooth = cf::face::find $info->{smooth}) {
		2761	cf::face::set_smooth $idx, $smooth;
		2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2763	} else {
		2764	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2765	}
		2766
		2767	cf::cede_to_tick;
		2768	}
		2769	}
		2770
		2771	{
		2772	my $anims = $facedata->{animinfo};
		2773
		2774	while (my ($anim, $info) = each %$anims) {
		2775	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2776	cf::cede_to_tick;
		2777	}
		2778
		2779	cf::anim::invalidate_all; # d'oh
		2780	}
		2781
		2782	{
		2783	# TODO: for gcfclient pleasure, we should give resources
		2784	# that gcfclient doesn't grok a >10000 face index.
		2785	my $res = $facedata->{resource};
		2786	my $enc = JSON::XS->new->utf8->canonical;
		2787
		2788	while (my ($name, $info) = each %$res) {
		2789	my $meta = $enc->encode ({
		2790	name => $name,
		2791	type => $info->{type},
		2792	copyright => $info->{copyright}, #TODO#
		2793	});
		2794
		2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2796
		2797	if ($name =~ /\.jpg$/) {
		2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2800	} else {
		2801	my $data = pack "(w/a*)*", $meta, $info->{data};
		2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2803
		2804	cf::face::set_type $idx, 1;
		2805	cf::face::set_data $idx, 0, $data, $chk;
		2806	}
		2807
		2808	cf::cede_to_tick;
		2809	}
		2810	}
		2811
		2812	1
		2813	}
		2814
		2815	sub reload_regions {
		2816	load_resource_file "$MAPDIR/regions"
		2817	or die "unable to load regions file\n";
		2818
		2819	for (cf::region::list) {
		2820	$_->{match} = qr/$_->{match}/
		2821	if exists $_->{match};
		2822	}
		2823	}
		2824
		2825	sub reload_facedata {
		2826	load_facedata "$DATADIR/facedata"
		2827	or die "unable to load facedata\n";
		2828	}
		2829
		2830	sub reload_archetypes {
		2831	load_resource_file "$DATADIR/archetypes"
		2832	or die "unable to load archetypes\n";
		2833	#d# NEED to laod twice to resolve forward references
		2834	# this really needs to be done in an extra post-pass
		2835	# (which needs to be synchronous, so solve it differently)
		2836	load_resource_file "$DATADIR/archetypes"
		2837	or die "unable to load archetypes\n";
		2838	}
		2839
		2840	sub reload_treasures {
		2841	load_resource_file "$DATADIR/treasures"
		2842	or die "unable to load treasurelists\n";
		2843	}
		2844
		2845	sub reload_resources {
		2846	warn "reloading resource files...\n";
		2847
		2848	reload_regions;
		2849	reload_facedata;
		2850	#reload_archetypes;#d#
		2851	reload_archetypes;
		2852	reload_treasures;
		2853
		2854	warn "finished reloading resource files\n";
		2855	}
		2856
		2857	sub init {
		2858	reload_resources;
		2859	}
2176		2860
2177	sub cfg_load {	2861	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2862	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2863	or return;
2180		2864
2181	local $/;	2865	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2866	*CFG = YAML::Syck::Load <$fh>;
2183		2867
…		…
2197		2881
2198	sub main {	2882	sub main {
2199	# we must not ever block the main coroutine	2883	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2884	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2886	(async {
2202	async { Event::one_event };	2887	Event::one_event;
		2888	})->prio (Coro::PRIO_MAX);
2203	};	2889	};
2204		2890
2205	cfg_load;	2891	cfg_load;
2206	db_load;	2892	db_init;
2207	load_extensions;	2893	load_extensions;
		2894
		2895	$TICK_WATCHER->start;
2208	Event::loop;	2896	Event::loop;
2209	}	2897	}
2210		2898
2211	#############################################################################	2899	#############################################################################
2212	# initialisation	2900	# initialisation and cleanup
2213		2901
		2902	# install some emergency cleanup handlers
		2903	BEGIN {
		2904	for my $signal (qw(INT HUP TERM)) {
		2905	Event->signal (
		2906	reentrant => 0,
		2907	data => WF_AUTOCANCEL,
		2908	signal => $signal,
		2909	prio => 0,
		2910	cb => sub {
		2911	cf::cleanup "SIG$signal";
		2912	},
		2913	);
		2914	}
		2915	}
		2916
		2917	sub write_runtime {
		2918	my $runtime = "$LOCALDIR/runtime";
		2919
		2920	# first touch the runtime file to show we are still running:
		2921	# the fsync below can take a very very long time.
		2922
		2923	IO::AIO::aio_utime $runtime, undef, undef;
		2924
		2925	my $guard = cf::lock_acquire "write_runtime";
		2926
		2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2928	or return;
		2929
		2930	my $value = $cf::RUNTIME + 90 + 10;
		2931	# 10 is the runtime save interval, for a monotonic clock
		2932	# 60 allows for the watchdog to kill the server.
		2933
		2934	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2935	and return;
		2936
		2937	# always fsync - this file is important
		2938	aio_fsync $fh
		2939	and return;
		2940
		2941	# touch it again to show we are up-to-date
		2942	aio_utime $fh, undef, undef;
		2943
		2944	close $fh
		2945	or return;
		2946
		2947	aio_rename "$runtime~", $runtime
		2948	and return;
		2949
		2950	warn "runtime file written.\n";
		2951
		2952	1
		2953	}
		2954
		2955	sub emergency_save() {
		2956	my $freeze_guard = cf::freeze_mainloop;
		2957
		2958	warn "enter emergency perl save\n";
		2959
		2960	cf::sync_job {
		2961	# use a peculiar iteration method to avoid tripping on perl
		2962	# refcount bugs in for. also avoids problems with players
		2963	# and maps saved/destroyed asynchronously.
		2964	warn "begin emergency player save\n";
		2965	for my $login (keys %cf::PLAYER) {
		2966	my $pl = $cf::PLAYER{$login} or next;
		2967	$pl->valid or next;
		2968	$pl->save;
		2969	}
		2970	warn "end emergency player save\n";
		2971
		2972	warn "begin emergency map save\n";
		2973	for my $path (keys %cf::MAP) {
		2974	my $map = $cf::MAP{$path} or next;
		2975	$map->valid or next;
		2976	$map->save;
		2977	}
		2978	warn "end emergency map save\n";
		2979
		2980	warn "begin emergency database checkpoint\n";
		2981	BDB::db_env_txn_checkpoint $DB_ENV;
		2982	warn "end emergency database checkpoint\n";
		2983	};
		2984
		2985	warn "leave emergency perl save\n";
		2986	}
		2987
		2988	sub post_cleanup {
		2989	my ($make_core) = @_;
		2990
		2991	warn Carp::longmess "post_cleanup backtrace"
		2992	if $make_core;
		2993	}
		2994
2214	sub reload() {	2995	sub do_reload_perl() {
2215	# can/must only be called in main	2996	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2997	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2998	warn "can only reload from main coroutine";
2218	return;	2999	return;
2219	}	3000	}
2220		3001
2221	warn "reloading...";	3002	warn "reloading...";
2222		3003
2223	my $guard = freeze_mainloop;	3004	warn "entering sync_job";
		3005
		3006	cf::sync_job {
		3007	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3008	cf::emergency_save;
		3009	cf::write_runtime; # external watchdog should not bark
2225		3010
2226	eval {	3011	warn "syncing database to disk";
		3012	BDB::db_env_txn_checkpoint $DB_ENV;
		3013
2227	# if anything goes wrong in here, we should simply crash as we already saved	3014	# if anything goes wrong in here, we should simply crash as we already saved
2228		3015
2229	# cancel all watchers	3016	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3017	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3018	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3019	}
2233		3020
		3021	warn "flushing outstanding aio requests";
		3022	for (;;) {
		3023	BDB::flush;
		3024	IO::AIO::flush;
		3025	Coro::cede;
		3026	last unless IO::AIO::nreqs || BDB::nreqs;
		3027	warn "iterate...";
		3028	}
		3029
		3030	++$RELOAD;
		3031
2234	# cancel all extension coros	3032	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3033	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3034	%EXT_CORO = ();
2237		3035
2238	# unload all extensions	3036	warn "removing commands";
2239	for (@exts) {	3037	%COMMAND = ();
		3038
		3039	warn "removing ext/exti commands";
		3040	%EXTCMD = ();
		3041	%EXTICMD = ();
		3042
		3043	warn "unloading/nuking all extensions";
		3044	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3045	warn "... unloading $pkg";
2241	unload_extension $_;	3046
		3047	if (my $cb = $pkg->can ("unload")) {
		3048	eval {
		3049	$cb->($pkg);
		3050	1
		3051	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3052	}
2243		3053
		3054	warn "... nuking $pkg";
		3055	Symbol::delete_package $pkg;
		3056	}
		3057
2244	# unload all modules loaded from $LIBDIR	3058	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3059	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3061
2248	warn "removing <$k>";	3062	warn "... unloading $k";
2249	delete $INC{$k};	3063	delete $INC{$k};
2250		3064
2251	$k =~ s/\.pm$//;	3065	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3066	$k =~ s/\//::/g;
2253		3067
…		…
2256	}	3070	}
2257		3071
2258	Symbol::delete_package $k;	3072	Symbol::delete_package $k;
2259	}	3073	}
2260		3074
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3075	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3076	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3078
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3079	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3080	delete $INC{"cf.pm"};
		3081	delete $INC{"cf/pod.pm"};
2274		3082
2275	# don't, removes xs symbols, too,	3083	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3084	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3085	#Symbol::delete_package __PACKAGE__;
2278		3086
2279	# reload cf.pm	3087	warn "unload completed, starting to reload now";
		3088
2280	warn "reloading cf.pm";	3089	warn "reloading cf.pm";
2281	require cf;	3090	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3092
2284	# load config and database again	3093	warn "loading config and database again";
2285	cf::cfg_load;	3094	cf::cfg_load;
2286	cf::db_load;
2287		3095
2288	# load extensions
2289	warn "load extensions";	3096	warn "loading extensions";
2290	cf::load_extensions;	3097	cf::load_extensions;
2291		3098
2292	# reattach attachments to objects	3099	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3100	_global_reattach; # objects, sockets
2294	_global_reattach;	3101	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3102	reattach $_ for values %MAP;
2296	};	3103	warn "reattaching attachments to players";
		3104	reattach $_ for values %PLAYER;
2297		3105
2298	if ($@) {	3106	warn "leaving sync_job";
		3107
		3108	1
		3109	} or do {
2299	warn $@;	3110	warn $@;
2300	warn "error while reloading, exiting.";	3111	warn "error while reloading, exiting.";
2301	exit 1;	3112	exit 1;
2302	}	3113	};
2303		3114
2304	warn "reloaded successfully";	3115	warn "reloaded";
2305	};	3116	};
2306		3117
2307	#############################################################################	3118	our $RELOAD_WATCHER; # used only during reload
2308		3119
2309	unless ($LINK_MAP) {	3120	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3121	# doing reload synchronously and two reloads happen back-to-back,
		3122	# coro crashes during coro_state_free->destroy here.
2311		3123
2312	$LINK_MAP->width (41);	3124	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3125	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3126	after => 0,
		3127	data => WF_AUTOCANCEL,
2322	cb => sub {	3128	cb => sub {
2323	$_[0]->w->cancel;	3129	do_reload_perl;
2324		3130	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3131	},
2343		3132	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3133	}
2349
2350	register "<global>", __PACKAGE__;
2351		3134
2352	register_command "reload" => sub {	3135	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3136	my ($who, $arg) = @_;
2354		3137
2355	if ($who->flag (FLAG_WIZ)) {	3138	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3139	$who->message ("reloading server.");
		3140	async { reload_perl };
2359	}	3141	}
2360	};	3142	};
2361		3143
2362	unshift @INC, $LIBDIR;	3144	unshift @INC, $LIBDIR;
2363		3145
		3146	my $bug_warning = 0;
		3147
		3148	our @WAIT_FOR_TICK;
		3149	our @WAIT_FOR_TICK_BEGIN;
		3150
		3151	sub wait_for_tick {
		3152	return unless $TICK_WATCHER->is_active;
		3153	return if $Coro::current == $Coro::main;
		3154
		3155	my $signal = new Coro::Signal;
		3156	push @WAIT_FOR_TICK, $signal;
		3157	$signal->wait;
		3158	}
		3159
		3160	sub wait_for_tick_begin {
		3161	return unless $TICK_WATCHER->is_active;
		3162	return if $Coro::current == $Coro::main;
		3163
		3164	my $signal = new Coro::Signal;
		3165	push @WAIT_FOR_TICK_BEGIN, $signal;
		3166	$signal->wait;
		3167	}
		3168
		3169	my $min = 1e6;#d#
		3170	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3172	reentrant => 0,
		3173	parked => 1,
2366	prio => 0,	3174	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3176	data => WF_AUTOCANCEL,
2369	cb => sub {	3177	cb => sub {
		3178	if ($Coro::current != $Coro::main) {
		3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3180	unless ++$bug_warning > 10;
		3181	return;
		3182	}
		3183
		3184	$NOW = $tick_start = Event::time;
		3185
2370	cf::server_tick; # one server iteration	3186	cf::server_tick; # one server iteration
		3187
		3188	0 && sync_job {#d#
		3189	for(1..10) {
		3190	my $t = Event::time;
		3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3192	or die;
		3193
		3194	$map->width (50);
		3195	$map->height (50);
		3196	$map->alloc;
		3197	$map->_load_objects ("/tmp/x.map", 1);
		3198	my $t = Event::time - $t;
		3199
		3200	#next unless $t < 0.0013;#d#
		3201	if ($t < $min) {
		3202	$min = $t;
		3203	}
		3204	$avg = $avg * 0.99 + $t * 0.01;
		3205	}
		3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3207	exit 0;
		3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3209	};
		3210
2371	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2373		3213
		3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3216	Coro::async_pool {
		3217	write_runtime
		3218	or warn "ERROR: unable to write runtime file: $!";
		3219	};
		3220	}
		3221
		3222	# my $AFTER = Event::time;
		3223	# warn $AFTER - $NOW;#d#
		3224
		3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3226	$sig->send;
		3227	}
		3228	while (my $sig = shift @WAIT_FOR_TICK) {
		3229	$sig->send;
		3230	}
		3231
		3232	$NOW = Event::time;
		3233
2374	# if we are delayed by four ticks or more, skip them all	3234	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3236
2377	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3238	$TICK_WATCHER->start;
		3239
		3240	$LOAD = ($NOW - $tick_start) / $TICK;
		3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3242
		3243	_post_tick;
		3244
		3245
2379	},	3246	},
2380	);	3247	);
2381		3248
		3249	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3250	BDB::max_poll_time $TICK * 0.1;
2383		3251	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3252	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3253	fd => BDB::poll_fileno,
2386	poll => 'r',	3254	poll => 'r',
2387	prio => 5,	3255	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3256	data => WF_AUTOCANCEL,
2394	after => 0,	3257	cb => \&BDB::poll_cb,
2395	interval => 10,	3258	);
2396	cb => sub {	3259	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3260
2398	write_runtime	3261	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3262	my $status;
		3263	my $current = $Coro::current;
		3264	(
		3265	sub {
		3266	$status = $!;
		3267	$current->ready; undef $current;
		3268	},
		3269	sub {
		3270	Coro::schedule while defined $current;
		3271	$! = $status;
		3272	},
		3273	)
		3274	};
		3275
		3276	unless ($DB_ENV) {
		3277	$DB_ENV = BDB::db_env_create;
		3278
		3279	cf::sync_job {
		3280	eval {
		3281	BDB::db_env_open
		3282	$DB_ENV,
		3283	$BDBDIR,
		3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3286	0666;
		3287
		3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3289
		3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3291	$DB_ENV->set_lk_detect;
		3292	};
		3293
		3294	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3295	};
2401	},	3296	}
2402	);	3297	}
		3298
		3299	{
		3300	IO::AIO::min_parallel 8;
		3301
		3302	undef $Coro::AIO::WATCHER;
		3303	IO::AIO::max_poll_time $TICK * 0.1;
		3304	$AIO_POLL_WATCHER = Event->io (
		3305	reentrant => 0,
		3306	data => WF_AUTOCANCEL,
		3307	fd => IO::AIO::poll_fileno,
		3308	poll => 'r',
		3309	prio => 6,
		3310	cb => \&IO::AIO::poll_cb,
		3311	);
		3312	}
		3313
		3314	my $_log_backtrace;
		3315
		3316	sub _log_backtrace {
		3317	my ($msg, @addr) = @_;
		3318
		3319	$msg =~ s/\n//;
		3320
		3321	# limit the # of concurrent backtraces
		3322	if ($_log_backtrace < 2) {
		3323	++$_log_backtrace;
		3324	async {
		3325	my @bt = fork_call {
		3326	@addr = map { sprintf "%x", $_ } @addr;
		3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3329	or die "addr2line: $!";
		3330
		3331	my @funcs;
		3332	my @res = <$fh>;
		3333	chomp for @res;
		3334	while (@res) {
		3335	my ($func, $line) = splice @res, 0, 2, ();
		3336	push @funcs, "[$func] $line";
		3337	}
		3338
		3339	@funcs
		3340	};
		3341
		3342	LOG llevInfo, "[ABT] $msg\n";
		3343	LOG llevInfo, "[ABT] $_\n" for @bt;
		3344	--$_log_backtrace;
		3345	};
		3346	} else {
		3347	LOG llevInfo, "[ABT] $msg\n";
		3348	LOG llevInfo, "[ABT] [suppressed]\n";
		3349	}
		3350	}
		3351
		3352	# load additional modules
		3353	use cf::pod;
2403		3354
2404	END { cf::emergency_save }	3355	END { cf::emergency_save }
2405		3356
2406	1	3357	1
2407		3358

Diff Legend

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