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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.174 by root, Sun Jan 14 19:55:37 2007 UTC vs.
Revision 1.302 by root, Tue Jul 10 16:23:59 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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$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
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	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;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	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
101	every server tick.	132	every server tick.
102		133
103	=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
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	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.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		171
128	=back	172	=back
129		173
130	=cut	174	=cut
131		175
132	BEGIN {	176	BEGIN {
133	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	178	my $msg = join "", @_;
135	utf8::encode $msg;
136		179
137	$msg .= "\n"	180	$msg .= "\n"
138	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
139		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
140	LOG llevError, $msg;	186	LOG llevError, $msg;
141	};	187	};
142	}	188	}
143		189
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		197
151	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	199	# within the Safe compartment.
153	for my $pkg (qw(	200	for my $pkg (qw(
154	cf::global cf::attachable	201	cf::global cf::attachable
…		…
162	}	209	}
163		210
164	$Event::DIED = sub {	211	$Event::DIED = sub {
165	warn "error in event callback: @_";	212	warn "error in event callback: @_";
166	};	213	};
		214
		215	#############################################################################
167		216
168	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
169		218
170	=over 4	219	=over 4
171		220
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	240	$d
192	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
193	}	242	}
194		243
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
198		245
199	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
200		247
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
209		249
210	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
211		251
212	=cut	252	=cut
213		253
214	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
216	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
218		258
219	=item cf::lock_wait $string	259	=item cf::lock_wait $string
220		260
221	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
222		262
…		…
228	returned.	268	returned.
229		269
230	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
232		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
233	=cut	277	=cut
234		278
235	our %LOCK;	279	our %LOCK;
236		280
237	sub lock_wait($) {	281	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
258	}	302	}
259	}	303	}
260		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
261	sub freeze_mainloop {	311	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
263		313
264	my $guard = Coro::guard {	314	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	316	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
270	$guard	318	$guard
271	}	319	}
272		320
273	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
280		328
281	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
282		330
283	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
284		332
285	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
288		337
289	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
292	fast or be very important.	341	fast or be very important.
…		…
295		344
296	sub sync_job(&) {	345	sub sync_job(&) {
297	my ($job) = @_;	346	my ($job) = @_;
298		347
299	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
300	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
302		353
303	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
315		366
316	while ($busy) {	367	while ($busy) {
317	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
318	}	369	}
319		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
320	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
321	} else {	379	} else {
322	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
323		381
324	$job->()	382	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
344		402
345	$coro	403	$coro
346	}	404	}
347		405
348	sub write_runtime {	406	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		407
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
352	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
353		412
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		414
358	aio_fsync $fh	415	sub _store_scalar {
359	and return;	416	open my $fh, ">", \my $buf
360		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
361	close $fh	419	close $fh;
362	or return;
363		420
364	aio_rename "$runtime~", $runtime	421	$buf
365	and return;	422	}
366		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
367	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	593	}
369		594
370	=back	595	=back
371		596
372	=cut	597	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
381		606
382	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	609	Crossfire TRT).
385		610
386	=over 4	611	=over 4
387		612
388	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
389		614
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
553		778
554	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		783
559	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	785	my $pkg = shift @arg;
561		786
562	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
592	}	817	}
593		818
594	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
595	} else {	820	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	822	}
598		823
599	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
600	}	825	}
601		826
…		…
603	if (ref $_[0]) {	828	if (ref $_[0]) {
604	_object_attach @_;	829	_object_attach @_;
605	} else {	830	} else {
606	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
607	}	832	}
		833	_recalc_want;
608	};	834	};
609		835
610	# all those should be optimised	836	# all those should be optimised
611	sub cf::attachable::detach {	837	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
616	reattach ($obj);	842	reattach ($obj);
617	} else {	843	} else {
618	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
619	}	845	}
		846	_recalc_want;
620	};	847	};
621		848
622	sub cf::attachable::attached {	849	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
624		851
…		…
747	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
748		975
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	980	close $fh;
754		981
755	if (@$objs) {	982	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	988	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
763	}	990	}
764	} else {	991	} else {
765	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
797	or return;	1024	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1026	}
800		1027
801	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1030	return ($data, $av);
804	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
805		1038
806	#############################################################################	1039	#############################################################################
807	# command handling &c	1040	# command handling &c
808		1041
809	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1056	}
824		1057
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1059
827	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
828		1065
829	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
830	called.	1067	called.
831		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
832	=cut	1080	=cut
833		1081
834	sub register_extcmd {	1082	sub register_extcmd {
835	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
836		1084
837	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
838	}	1092	}
839		1093
840	cf::player->attach (	1094	cf::player->attach (
841	on_command => sub {	1095	on_command => sub {
842	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1105	cf::override;
852	},	1106	},
853	on_extcmd => sub {	1107	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
855		1109
856	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1111
858	if (ref $msg) {	1112	if (ref $msg) {
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
860	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
861	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
867		1121
868	cf::override;	1122	cf::override;
869	},	1123	},
870	);	1124	);
871		1125
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
907	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1131	next unless -r $path;
909	eval {	1132
910	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
911	1	1190	}
912	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
913	}	1196	};
914	}	1197	}
915		1198
916	#############################################################################	1199	#############################################################################
917		1200
		1201	=back
		1202
918	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
919		1204
920	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
921		1206
922	=cut	1207	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
935		1220
936	=cut	1221	=cut
937		1222
938	sub playerdir($) {	1223	sub playerdir($) {
939	cf::localdir	1224	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1226	}
945		1227
946	sub path($) {	1228	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1230
949	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
950	}	1232	}
951		1233
952	sub find_active($) {	1234	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
957		1239
958	sub exists($) {	1240	sub exists($) {
959	my ($login) = @_;	1241	my ($login) = @_;
960		1242
961	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
963	}	1245	}
964		1246
965	sub find($) {	1247	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1249	my $login = $_[0];
968		1250
969	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
970		1252
971	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
972	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
973	or return;	1262	or return;
974	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
975	}	1264	}
976	}	1265	}
…		…
1013		1302
1014	=cut	1303	=cut
1015		1304
1016	sub quit_character {	1305	sub quit_character {
1017	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1018		1309
1019	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1312
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1032	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1033	}	1344	}
1034		1345
1035	=item cf::player::list_logins	1346	=item cf::player::list_logins
1036		1347
1037	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1039		1350
1040	=cut	1351	=cut
1041		1352
1042	sub list_logins {	1353	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1355	or return [];
1045		1356
1046	my @logins;	1357	my @logins;
1047		1358
1048	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1065	=cut	1376	=cut
1066		1377
1067	sub maps($) {	1378	sub maps($) {
1068	my ($pl) = @_;	1379	my ($pl) = @_;
1069		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1070	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1071	or return;	1384	or return;
1072		1385
1073	my @paths;	1386	my @paths;
1074		1387
1075	for (@$files) {	1388	for (@$files) {
1076	utf8::decode $_;	1389	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1079		1392
1080	s/\.map$//;	1393	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1394	}
1083		1395
1084	\@paths	1396	\@paths
1085	}	1397	}
1086		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1088		1450
1089	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1090		1452
1091	=cut	1453	=cut
1092		1454
1093	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1095		1457
1096	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1097		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1460	}
1100		1461
1101	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1102		1502
1103	=back	1503	=back
1104
1105		1504
1106	=head3 cf::map	1505	=head3 cf::map
1107		1506
1108	=over 4	1507	=over 4
1109		1508
…		…
1121	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1123		1522
1124	sub generate_random_map {	1523	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1526	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1538	)
1141	}	1539	}
1142		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
1143	sub register {	1549	sub register {
1144	my (undef, $regex) = @_;	1550	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1551	my $pkg = caller;
1146		1552
1147	no strict;	1553	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1554	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1555
1150	$EXT_MAP{$pkg} = qr<$regex>;	1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1557	}
1152		1558
1153	# also paths starting with '/'	1559	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1561
1156	sub thawer_merge {	1562	sub thawer_merge {
1157	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1158		1564
1159	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1160	local $self->{path};	1566	local $self->{path};
1161	local $self->{load_path};	1567	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1568
1165	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1166	}	1570	}
1167		1571
1168	sub normalise {	1572	sub normalise {
1169	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1170		1578
1171	# map plan:	1579	# map plan:
1172	#	1580	#
1173	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1202		1610
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1612
1205	$path = normalise $path, $base;	1613	$path = normalise $path, $base;
1206		1614
1207	for my $pkg (keys %EXT_MAP) {	1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1617	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1618	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1212	return $self;	1620	return $self;
1213	}	1621	}
1214	}	1622	}
1215		1623
1216	Carp::carp "unable to resolve path '$path'.";	1624	Carp::carp "unable to resolve path '$path' (base '$base').";
1217	()	1625	()
1218	}	1626	}
1219		1627
1220	sub init {	1628	sub init {
1221	my ($self) = @_;	1629	my ($self) = @_;
…		…
1236		1644
1237	# the original (read-only) location	1645	# the original (read-only) location
1238	sub load_path {	1646	sub load_path {
1239	my ($self) = @_;	1647	my ($self) = @_;
1240		1648
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1242	}	1650	}
1243		1651
1244	# the temporary/swap location	1652	# the temporary/swap location
1245	sub save_path {	1653	sub save_path {
1246	my ($self) = @_;	1654	my ($self) = @_;
1247		1655
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1250	}	1658	}
1251		1659
1252	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1253	sub uniq_path {	1661	sub uniq_path {
1254	my ($self) = @_;	1662	my ($self) = @_;
1255		1663
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1258	}	1666	}
1259		1667
1260	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1261	# all maps in C++...	1669	# all maps in C++...
1262	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1264		1672
1265	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1267	}	1675	}
1268		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1269	sub unlink_save {	1685	sub unlink_save {
1270	my ($self) = @_;	1686	my ($self) = @_;
1271		1687
1272	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1692
1277	sub load_header_from($) {	1693	sub load_header_from($) {
1278	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1279		1695
1280	utf8::encode $path;	1696	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1282	or return;	1698	# or return;
1283		1699
1284	$self->_load_header ($path)	1700	$self->_load_header ($path)
1285	or return;	1701	or return;
1286		1702
1287	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
1288		1704
1289	1	1705	1
1290	}	1706	}
1291		1707
1292	sub load_orig {	1708	sub load_header_orig {
1293	my ($self) = @_;	1709	my ($self) = @_;
1294		1710
1295	$self->load_header_from ($self->load_path)	1711	$self->load_header_from ($self->load_path)
1296	}	1712	}
1297		1713
1298	sub load_temp {	1714	sub load_header_temp {
1299	my ($self) = @_;	1715	my ($self) = @_;
1300		1716
1301	$self->load_header_from ($self->save_path)	1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
1302	}	1737	}
1303		1738
1304	sub load_header {	1739	sub load_header {
1305	my ($self) = @_;	1740	my ($self) = @_;
1306		1741
1307	if ($self->load_temp) {	1742	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1743	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1744	} else {
1314	$self->load_orig	1745	$self->load_header_orig
1315	or return;	1746	or return;
1316		1747	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1748	}
		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
1322		1755
1323	1	1756	1
1324	}	1757	}
1325		1758
1326	sub find;	1759	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1340		1773
1341	$map->load_header	1774	$map->load_header
1342	or return;	1775	or return;
1343		1776
1344	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1780	$map->reset;
1347	undef $guard;	1781	undef $guard;
1348	$map = find $path	1782	return find $path;
1349	or return;
1350	}	1783	}
1351		1784
1352	$cf::MAP{$path} = $map	1785	$cf::MAP{$path} = $map
1353	}	1786	}
1354	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1355		1791
1356	sub load {	1792	sub load {
1357	my ($self) = @_;	1793	my ($self) = @_;
1358		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1359	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1361		1801
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1803
1364	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1365		1805
1366	$self->alloc;	1806	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1807
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1809	Coro::cede;
1391	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1829	unless $self->difficulty;
1394	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1395	$self->activate;	1839	$self->activate;
1396	}	1840	}
1397		1841
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
1399	}	1846	}
1400		1847
1401	sub customise_for {	1848	sub customise_for {
1402	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1403		1850
1404	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1406		1856
1407	$self	1857	$self
1408	}	1858	}
1409		1859
1410	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1442		1892
1443	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1444	}	1894	}
1445		1895
1446	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1898
1460	sub find_async {	1899	sub find_async {
1461	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1462		1901
1463	$path = normalise $path, $origin && $origin->{path};	1902	$path = normalise $path, $origin && $origin->{path};
1464		1903
1465	if (my $map = $cf::MAP{$path}) {	1904	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1906	}
1468		1907
1469	$MAP_PREFETCH{$path} = 0;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1470	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1471		1922
1472	()	1923	()
1473	}	1924	}
1474		1925
1475	sub save {	1926	sub save {
…		…
1520		1971
1521	sub reset_at {	1972	sub reset_at {
1522	my ($self) = @_;	1973	my ($self) = @_;
1523		1974
1524	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1527		1977
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		1980
…		…
1541	my ($self) = @_;	1991	my ($self) = @_;
1542		1992
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		1994
1545	return if $self->players;	1995	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		1996
1548	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1549		2008
1550	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1551		2010
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	2011	$self->clear;
1554		2012
1555	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1556		2014
1557	$self->unlink_save;	2015	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1577		2035
1578	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1579	}	2037	}
1580		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1581	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1582		2076
1583	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2078	instantiated unique items. May block.
1585		2079
1586	=cut	2080	=cut
1587		2081
1588	sub unique_maps() {	2082	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1590	or return;	2084	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2085	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2086	/\.map$/
1600	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2090	]
1602
1603	\@paths
1604	}	2091	}
1605		2092
1606	package cf;	2093	package cf;
1607		2094
1608	=back	2095	=back
…		…
1654		2141
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2143
1657	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1659	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1662	}	2163	}
1663	}	2164	}
1664		2165
1665	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1666		2167
…		…
1699	=cut	2200	=cut
1700		2201
1701	sub link_map {	2202	sub link_map {
1702	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2206	$LINK_MAP->load;
1706	}	2207	}
1707		2208
1708	$LINK_MAP	2209	$LINK_MAP
1709	}	2210	}
…		…
1714	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1715		2216
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2218
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1720		2221
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2223	}
1723		2224
1724	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1726		2229
1727	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1728		2231
1729	unless ($map) {	2232	unless ($map) {
1730	# restore original map position	2233	# restore original map position
…		…
1748	$map->load;	2251	$map->load;
1749	$map->load_diag;	2252	$map->load_diag;
1750		2253
1751	return unless $self->contr->active;	2254	return unless $self->contr->active;
1752	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1754	}	2259	}
1755		2260
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1790	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1791		2271
1792	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2277
1795	$self->enter_link;	2278	$self->enter_link;
1796		2279
1797	(async {	2280	(async {
		2281	my $map = eval {
1798	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1800		2286	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1805		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1807	})->prio (1);	2303	})->prio (1);
1808	}	2304	}
1809		2305
1810	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1811		2307
…		…
1813		2309
1814	sub parse_random_map_params {	2310	sub parse_random_map_params {
1815	my ($spec) = @_;	2311	my ($spec) = @_;
1816		2312
1817	my $rmp = { # defaults	2313	my $rmp = { # defaults
1818	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1820	};	2318	};
1821		2319
1822	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1824		2322
…		…
1828	$rmp	2326	$rmp
1829	}	2327	}
1830		2328
1831	sub prepare_random_map {	2329	sub prepare_random_map {
1832	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2333
1834	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2336	# that depends on the exit object
1837		2337
1838	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1839		2339
1840	if ($exit->map) {	2340	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1845	}	2345	}
1846		2346
1847	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1848		2348
1849	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1851		2352
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
		2355	undef $fh;
		2356	aio_rename "$meta~", $meta;
1854		2357
1855	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2359	$exit->msg (undef);
1857	}	2360	}
1858	}	2361	}
…		…
1860	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1862		2365
1863	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1864		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1865	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1866		2384
1867	(async {	2385	(async {
1868	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2387	unless (eval {
1870	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2389
1876	1;	2390	1;
1877	}) {	2391	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2396
1883	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2398	$self->leave_link;
1885	}	2399	}
1886	})->prio (1);	2400	})->prio (1);
…		…
1899		2413
1900	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1902		2416
1903	utf8::encode $text;	2417	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2419	}
1906		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1907		2473
1908	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1909		2475
1910	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2479
1914	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2481	become reliable at some point in the future.
1916		2482
1917	=cut	2483	=cut
1918		2484
1919	sub cf::client::query {	2485	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2494	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2496
1931	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1933	}	2501	}
1934		2502
1935	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1936	on_reply => sub {	2509	on_reply => sub {
1937	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1938		2511
1939	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1940	# get handled first	2513	# get handled first
1941	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2516
1944	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2519
1946	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1947		2521
1948	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2523	if (@$queue) {
…		…
1951	} else {	2525	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2527	}
1954	}	2528	}
1955	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1956	);	2548	);
1957		2549
1958	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1959		2551
1960	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007		2599
2008	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2009		2601
2010	=pod	2602	=pod
2011		2603
2012	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2013		2605
2014	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2015	cf::object::player player	2610	cf::object::player
2016	cf::player peaceful	2611	player
2017	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2018		2618
2019	=cut	2619	=cut
2020		2620
2021	for (	2621	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2023	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2026	) {	2627	) {
2027	no strict 'refs';	2628	no strict 'refs';
…		…
2098	=back	2699	=back
2099		2700
2100	=cut	2701	=cut
2101		2702
2102	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2103		2705
2104	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2105		2708
2106	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2107	currently store anything that can be serialised using Storable, which
2108	excludes objects.
2109		2710
2110	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2111	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2112		2714
2113	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2114		2716
2115	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2116		2719
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key
2122
2123	Returns a single value from the database
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2153		2722
2154	my $pid;	2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2155		2729
2156	sub db_save() {	2730	cf::cede_to_tick;
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2731	}
2202	);
2203	}
2204		2732
2205	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright},
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	# TODO
		2781	cf::cede_to_tick;
		2782	}
		2783	}
		2784
		2785	1
		2786	}
		2787
		2788	sub reload_regions {
		2789	load_resource_file "$MAPDIR/regions"
		2790	or die "unable to load regions file\n";
		2791	}
		2792
		2793	sub reload_facedata {
		2794	load_facedata "$DATADIR/facedata"
		2795	or die "unable to load facedata\n";
		2796	}
		2797
		2798	sub reload_archetypes {
		2799	load_resource_file "$DATADIR/archetypes"
		2800	or die "unable to load archetypes\n";
		2801	#d# NEED to laod twice to resolve forward references
		2802	# this really needs to be done in an extra post-pass
		2803	# (which needs to be synchronous, so solve it differently)
		2804	load_resource_file "$DATADIR/archetypes"
		2805	or die "unable to load archetypes\n";
		2806	}
		2807
		2808	sub reload_treasures {
		2809	load_resource_file "$DATADIR/treasures"
		2810	or die "unable to load treasurelists\n";
		2811	}
		2812
		2813	sub reload_resources {
		2814	warn "reloading resource files...\n";
		2815
		2816	reload_regions;
		2817	reload_facedata;
		2818	#reload_archetypes;#d#
		2819	reload_archetypes;
		2820	reload_treasures;
		2821
		2822	warn "finished reloading resource files\n";
		2823	}
		2824
		2825	sub init {
		2826	reload_resources;
		2827	}
2207		2828
2208	sub cfg_load {	2829	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2830	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	2831	or return;
2211		2832
2212	local $/;	2833	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	2834	*CFG = YAML::Syck::Load <$fh>;
2214		2835
…		…
2228		2849
2229	sub main {	2850	sub main {
2230	# we must not ever block the main coroutine	2851	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	2852	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2854	(async {
2233	async { Event::one_event };	2855	Event::one_event;
		2856	})->prio (Coro::PRIO_MAX);
2234	};	2857	};
2235		2858
2236	cfg_load;	2859	cfg_load;
2237	db_load;	2860	db_init;
2238	load_extensions;	2861	load_extensions;
		2862
		2863	$TICK_WATCHER->start;
2239	Event::loop;	2864	Event::loop;
2240	}	2865	}
2241		2866
2242	#############################################################################	2867	#############################################################################
2243	# initialisation and cleanup	2868	# initialisation and cleanup
2244		2869
2245	# install some emergency cleanup handlers	2870	# install some emergency cleanup handlers
2246	BEGIN {	2871	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	2872	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	2873	Event->signal (
		2874	reentrant => 0,
2249	data => WF_AUTOCANCEL,	2875	data => WF_AUTOCANCEL,
2250	signal => $signal,	2876	signal => $signal,
		2877	prio => 0,
2251	cb => sub {	2878	cb => sub {
2252	cf::cleanup "SIG$signal";	2879	cf::cleanup "SIG$signal";
2253	},	2880	},
2254	);	2881	);
2255	}	2882	}
		2883	}
		2884
		2885	sub write_runtime {
		2886	my $runtime = "$LOCALDIR/runtime";
		2887
		2888	# first touch the runtime file to show we are still running:
		2889	# the fsync below can take a very very long time.
		2890
		2891	IO::AIO::aio_utime $runtime, undef, undef;
		2892
		2893	my $guard = cf::lock_acquire "write_runtime";
		2894
		2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2896	or return;
		2897
		2898	my $value = $cf::RUNTIME + 90 + 10;
		2899	# 10 is the runtime save interval, for a monotonic clock
		2900	# 60 allows for the watchdog to kill the server.
		2901
		2902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2903	and return;
		2904
		2905	# always fsync - this file is important
		2906	aio_fsync $fh
		2907	and return;
		2908
		2909	# touch it again to show we are up-to-date
		2910	aio_utime $fh, undef, undef;
		2911
		2912	close $fh
		2913	or return;
		2914
		2915	aio_rename "$runtime~", $runtime
		2916	and return;
		2917
		2918	warn "runtime file written.\n";
		2919
		2920	1
2256	}	2921	}
2257		2922
2258	sub emergency_save() {	2923	sub emergency_save() {
2259	my $freeze_guard = cf::freeze_mainloop;	2924	my $freeze_guard = cf::freeze_mainloop;
2260		2925
…		…
2277	my $map = $cf::MAP{$path} or next;	2942	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	2943	$map->valid or next;
2279	$map->save;	2944	$map->save;
2280	}	2945	}
2281	warn "end emergency map save\n";	2946	warn "end emergency map save\n";
		2947
		2948	warn "begin emergency database checkpoint\n";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950	warn "end emergency database checkpoint\n";
2282	};	2951	};
2283		2952
2284	warn "leave emergency perl save\n";	2953	warn "leave emergency perl save\n";
2285	}	2954	}
2286		2955
		2956	sub post_cleanup {
		2957	my ($make_core) = @_;
		2958
		2959	warn Carp::longmess "post_cleanup backtrace"
		2960	if $make_core;
		2961	}
		2962
2287	sub reload() {	2963	sub do_reload_perl() {
2288	# can/must only be called in main	2964	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	2965	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	2966	warn "can only reload from main coroutine";
2291	return;	2967	return;
2292	}	2968	}
2293		2969
2294	warn "reloading...";	2970	warn "reloading...";
2295		2971
2296	warn "freezing server";	2972	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	2973
		2974	cf::sync_job {
		2975	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	2976	cf::emergency_save;
		2977	cf::write_runtime; # external watchdog should not bark
2299		2978
2300	warn "sync database to disk";	2979	warn "syncing database to disk";
2301	cf::db_sync;	2980	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		2981
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	2982	# if anything goes wrong in here, we should simply crash as we already saved
2306		2983
2307	warn "cancel all watchers";	2984	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	2985	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	2987	}
2311		2988
		2989	warn "flushing outstanding aio requests";
		2990	for (;;) {
		2991	BDB::flush;
		2992	IO::AIO::flush;
		2993	Coro::cede;
		2994	last unless IO::AIO::nreqs || BDB::nreqs;
		2995	warn "iterate...";
		2996	}
		2997
		2998	++$RELOAD;
		2999
2312	warn "cancel all extension coros";	3000	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	3001	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	3002	%EXT_CORO = ();
2315		3003
2316	warn "remove commands";	3004	warn "removing commands";
2317	%COMMAND = ();	3005	%COMMAND = ();
2318		3006
2319	warn "remove ext commands";	3007	warn "removing ext/exti commands";
2320	%EXTCMD = ();	3008	%EXTCMD = ();
		3009	%EXTICMD = ();
2321		3010
2322	warn "unload/nuke all extensions";	3011	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	3012	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	3013	warn "... unloading $pkg";
2325		3014
2326	if (my $cb = $pkg->can ("unload")) {	3015	if (my $cb = $pkg->can ("unload")) {
2327	eval {	3016	eval {
…		…
2332		3021
2333	warn "... nuking $pkg";	3022	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	3023	Symbol::delete_package $pkg;
2335	}	3024	}
2336		3025
2337	warn "unload all perl modules loaded from $LIBDIR";	3026	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	3027	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		3029
2341	warn "removing <$k>";	3030	warn "... unloading $k";
2342	delete $INC{$k};	3031	delete $INC{$k};
2343		3032
2344	$k =~ s/\.pm$//;	3033	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	3034	$k =~ s/\//::/g;
2346		3035
…		…
2349	}	3038	}
2350		3039
2351	Symbol::delete_package $k;	3040	Symbol::delete_package $k;
2352	}	3041	}
2353		3042
2354	warn "get rid of safe::, as good as possible";	3043	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	3044	Symbol::delete_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		3046
2358	warn "unload cf.pm \"a bit\"";	3047	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	3048	delete $INC{"cf.pm"};
		3049	delete $INC{"cf/pod.pm"};
2360		3050
2361	# don't, removes xs symbols, too,	3051	# don't, removes xs symbols, too,
2362	# and global variables created in xs	3052	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	3053	#Symbol::delete_package __PACKAGE__;
2364		3054
		3055	warn "unload completed, starting to reload now";
		3056
2365	warn "reloading cf.pm";	3057	warn "reloading cf.pm";
2366	require cf;	3058	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		3060
2369	warn "load config and database again";	3061	warn "loading config and database again";
2370	cf::cfg_load;	3062	cf::cfg_load;
2371	cf::db_load;
2372		3063
2373	warn "load extensions";	3064	warn "loading extensions";
2374	cf::load_extensions;	3065	cf::load_extensions;
2375		3066
2376	warn "reattach attachments to objects/players";	3067	warn "reattaching attachments to objects/players";
2377	_global_reattach;	3068	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	3069	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	3070	reattach $_ for values %MAP;
2380	};	3071	warn "reattaching attachments to players";
		3072	reattach $_ for values %PLAYER;
2381		3073
2382	if ($@) {	3074	warn "leaving sync_job";
		3075
		3076	1
		3077	} or do {
2383	warn $@;	3078	warn $@;
2384	warn "error while reloading, exiting.";	3079	warn "error while reloading, exiting.";
2385	exit 1;	3080	exit 1;
2386	}	3081	};
2387		3082
2388	warn "reloaded";	3083	warn "reloaded";
2389	};	3084	};
2390		3085
		3086	our $RELOAD_WATCHER; # used only during reload
		3087
		3088	sub reload_perl() {
		3089	# doing reload synchronously and two reloads happen back-to-back,
		3090	# coro crashes during coro_state_free->destroy here.
		3091
		3092	$RELOAD_WATCHER ||= Event->timer (
		3093	reentrant => 0,
		3094	after => 0,
		3095	data => WF_AUTOCANCEL,
		3096	cb => sub {
		3097	do_reload_perl;
		3098	undef $RELOAD_WATCHER;
		3099	},
		3100	);
		3101	}
		3102
2391	register_command "reload" => sub {	3103	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	3104	my ($who, $arg) = @_;
2393		3105
2394	if ($who->flag (FLAG_WIZ)) {	3106	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	3107	$who->message ("reloading server.");
		3108	async { reload_perl };
2398	}	3109	}
2399	};	3110	};
2400		3111
2401	unshift @INC, $LIBDIR;	3112	unshift @INC, $LIBDIR;
2402		3113
		3114	my $bug_warning = 0;
		3115
		3116	our @WAIT_FOR_TICK;
		3117	our @WAIT_FOR_TICK_BEGIN;
		3118
		3119	sub wait_for_tick {
		3120	return unless $TICK_WATCHER->is_active;
		3121	return if $Coro::current == $Coro::main;
		3122
		3123	my $signal = new Coro::Signal;
		3124	push @WAIT_FOR_TICK, $signal;
		3125	$signal->wait;
		3126	}
		3127
		3128	sub wait_for_tick_begin {
		3129	return unless $TICK_WATCHER->is_active;
		3130	return if $Coro::current == $Coro::main;
		3131
		3132	my $signal = new Coro::Signal;
		3133	push @WAIT_FOR_TICK_BEGIN, $signal;
		3134	$signal->wait;
		3135	}
		3136
		3137	my $min = 1e6;#d#
		3138	my $avg = 10;
2403	$TICK_WATCHER = Event->timer (	3139	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	3140	reentrant => 0,
		3141	parked => 1,
2405	prio => 0,	3142	prio => 0,
2406	at => $NEXT_TICK || $TICK,	3143	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	3144	data => WF_AUTOCANCEL,
2408	cb => sub {	3145	cb => sub {
		3146	if ($Coro::current != $Coro::main) {
		3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3148	unless ++$bug_warning > 10;
		3149	return;
		3150	}
		3151
2409	$NOW = Event::time;	3152	$NOW = $tick_start = Event::time;
2410		3153
2411	cf::server_tick; # one server iteration	3154	cf::server_tick; # one server iteration
		3155
		3156	0 && sync_job {#d#
		3157	for(1..10) {
		3158	my $t = Event::time;
		3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3160	or die;
		3161
		3162	$map->width (50);
		3163	$map->height (50);
		3164	$map->alloc;
		3165	$map->_load_objects ("/tmp/x.map", 1);
		3166	my $t = Event::time - $t;
		3167
		3168	#next unless $t < 0.0013;#d#
		3169	if ($t < $min) {
		3170	$min = $t;
		3171	}
		3172	$avg = $avg * 0.99 + $t * 0.01;
		3173	}
		3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3175	exit 0;
		3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3177	};
		3178
2412	$RUNTIME += $TICK;	3179	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	3180	$NEXT_TICK += $TICK;
2414		3181
2415	$WAIT_FOR_TICK->broadcast;	3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3184	Coro::async_pool {
		3185	write_runtime
		3186	or warn "ERROR: unable to write runtime file: $!";
		3187	};
		3188	}
		3189
		3190	# my $AFTER = Event::time;
		3191	# warn $AFTER - $NOW;#d#
		3192
		3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3194	$sig->send;
		3195	}
		3196	while (my $sig = shift @WAIT_FOR_TICK) {
		3197	$sig->send;
		3198	}
		3199
		3200	$NOW = Event::time;
2417		3201
2418	# if we are delayed by four ticks or more, skip them all	3202	# if we are delayed by four ticks or more, skip them all
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2420		3204
2421	$TICK_WATCHER->at ($NEXT_TICK);	3205	$TICK_WATCHER->at ($NEXT_TICK);
2422	$TICK_WATCHER->start;	3206	$TICK_WATCHER->start;
		3207
		3208	$LOAD = ($NOW - $tick_start) / $TICK;
		3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3210
		3211	_post_tick;
		3212
		3213
2423	},	3214	},
2424	);	3215	);
2425		3216
		3217	{
		3218	BDB::max_poll_time $TICK * 0.1;
		3219	$BDB_POLL_WATCHER = Event->io (
		3220	reentrant => 0,
		3221	fd => BDB::poll_fileno,
		3222	poll => 'r',
		3223	prio => 0,
		3224	data => WF_AUTOCANCEL,
		3225	cb => \&BDB::poll_cb,
		3226	);
		3227	BDB::min_parallel 8;
		3228
		3229	BDB::set_sync_prepare {
		3230	my $status;
		3231	my $current = $Coro::current;
		3232	(
		3233	sub {
		3234	$status = $!;
		3235	$current->ready; undef $current;
		3236	},
		3237	sub {
		3238	Coro::schedule while defined $current;
		3239	$! = $status;
		3240	},
		3241	)
		3242	};
		3243
		3244	unless ($DB_ENV) {
		3245	$DB_ENV = BDB::db_env_create;
		3246
		3247	cf::sync_job {
		3248	eval {
		3249	BDB::db_env_open
		3250	$DB_ENV,
		3251	$BDBDIR,
		3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3254	0666;
		3255
		3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3257
		3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3259	$DB_ENV->set_lk_detect;
		3260	};
		3261
		3262	cf::cleanup "db_env_open(db): $@" if $@;
		3263	};
		3264	}
		3265	}
		3266
		3267	{
		3268	IO::AIO::min_parallel 8;
		3269
		3270	undef $Coro::AIO::WATCHER;
2426	IO::AIO::max_poll_time $TICK * 0.2;	3271	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	3272	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	3273	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	3274	data => WF_AUTOCANCEL,
2438	after => 0,	3275	fd => IO::AIO::poll_fileno,
2439	interval => 10,	3276	poll => 'r',
2440	cb => sub {	3277	prio => 6,
2441	(Coro::unblock_sub {	3278	cb => \&IO::AIO::poll_cb,
2442	write_runtime	3279	);
2443	or warn "ERROR: unable to write runtime file: $!";	3280	}
		3281
		3282	my $_log_backtrace;
		3283
		3284	sub _log_backtrace {
		3285	my ($msg, @addr) = @_;
		3286
		3287	$msg =~ s/\n//;
		3288
		3289	# limit the # of concurrent backtraces
		3290	if ($_log_backtrace < 2) {
		3291	++$_log_backtrace;
		3292	async {
		3293	my @bt = fork_call {
		3294	@addr = map { sprintf "%x", $_ } @addr;
		3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3297	or die "addr2line: $!";
		3298
		3299	my @funcs;
		3300	my @res = <$fh>;
		3301	chomp for @res;
		3302	while (@res) {
		3303	my ($func, $line) = splice @res, 0, 2, ();
		3304	push @funcs, "[$func] $line";
		3305	}
		3306
		3307	@funcs
		3308	};
		3309
		3310	LOG llevInfo, "[ABT] $msg\n";
		3311	LOG llevInfo, "[ABT] $_\n" for @bt;
		3312	--$_log_backtrace;
2444	})->();	3313	};
		3314	} else {
		3315	LOG llevInfo, "[ABT] $msg\n";
		3316	LOG llevInfo, "[ABT] [suppressed]\n";
2445	},	3317	}
2446	);	3318	}
		3319
		3320	# load additional modules
		3321	use cf::pod;
2447		3322
2448	END { cf::emergency_save }	3323	END { cf::emergency_save }
2449		3324
2450	1	3325	1
2451		3326

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