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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.306 by root, Sat Jul 14 14:33:30 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 = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		94
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
61		101
62	binmode STDOUT;	102	binmode STDOUT;
63	binmode STDERR;	103	binmode STDERR;
64		104
65	# read virtual server time, if available	105	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
70	}	110	}
71		111
72	mkdir cf::localdir;	112	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		114
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
81		118
82	#############################################################################	119	#############################################################################
83		120
84	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
85		122
…		…
92	=item $cf::RUNTIME	129	=item $cf::RUNTIME
93		130
94	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
95	every server tick.	132	every server tick.
96		133
97	=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
98		137
99	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		142
102	=item $cf::NOW	143	=item $cf::NOW
103		144
104	The time of the last (current) server tick.	145	The time of the last (current) server tick.
105		146
106	=item $cf::TICK	147	=item $cf::TICK
107		148
108	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.
109		160
110	=item %cf::CFG	161	=item %cf::CFG
111		162
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	164	from wherever your confdir points to.
114		165
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		167
117	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
118	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
119	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.
120	window of cpu time available, or simply to synchronise to the server tick.
121		171
122	=back	172	=back
123		173
124	=cut	174	=cut
125		175
126	BEGIN {	176	BEGIN {
127	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	178	my $msg = join "", @_;
129	utf8::encode $msg;
130		179
131	$msg .= "\n"	180	$msg .= "\n"
132	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
133		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
134	LOG llevError, $msg;	186	LOG llevError, $msg;
135	};	187	};
136	}	188	}
137		189
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		197
145	# 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
146	# within the Safe compartment.	199	# within the Safe compartment.
147	for my $pkg (qw(	200	for my $pkg (qw(
148	cf::global cf::attachable	201	cf::global cf::attachable
…		…
157		210
158	$Event::DIED = sub {	211	$Event::DIED = sub {
159	warn "error in event callback: @_";	212	warn "error in event callback: @_";
160	};	213	};
161		214
162	my %ext_pkg;	215	#############################################################################
163	my @exts;
164	my @hook;
165		216
166	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
167		218
168	=over 4	219	=over 4
169		220
…		…
188	$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;
189	$d	240	$d
190	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
191	}	242	}
192		243
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
196		245
197	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
198		247
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
207		249
208	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
209		251
210	=cut	252	=cut
211		253
212	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
214	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
216		258
217	=item cf::lock_wait $string	259	=item cf::lock_wait $string
218		260
219	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
220		262
…		…
226	returned.	268	returned.
227		269
228	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
229	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
230		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
231	=cut	277	=cut
232		278
233	our %LOCK;	279	our %LOCK;
234		280
235	sub lock_wait($) {	281	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
256	}	302	}
257	}	303	}
258		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
259	sub freeze_mainloop {	311	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
261		313
262	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
263	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
264	$guard	318	$guard
265	}	319	}
266		320
267	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
274		328
275	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
276		330
277	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
278		332
279	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
282		337
283	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
286	fast or be very important.	341	fast or be very important.
…		…
289		344
290	sub sync_job(&) {	345	sub sync_job(&) {
291	my ($job) = @_;	346	my ($job) = @_;
292		347
293	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
294	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
296		353
297	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
309		366
310	while ($busy) {	367	while ($busy) {
311	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
312	}	369	}
313		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
314	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
315	} else {	379	} else {
316	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
317		381
318	$job->()	382	$job->()
319	}	383	}
320	}	384	}
321		385
322	=item $coro = cf::async_ext { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
323		387
324	Like async, but this coro is automcatially being canceled when the	388	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	389	extension calling this is being unloaded.
326		390
327	=cut	391	=cut
328		392
329	sub async_ext(&) {	393	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
338		402
339	$coro	403	$coro
340	}	404	}
341		405
342	sub write_runtime {	406	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		407
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
346	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.
347		412
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		414
352	aio_fsync $fh	415	sub _store_scalar {
353	and return;	416	open my $fh, ">", \my $buf
354		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
355	close $fh	419	close $fh;
356	or return;
357		420
358	aio_rename "$runtime~", $runtime	421	$buf
359	and return;	422	}
360		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
361	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
362	}	593	}
363		594
364	=back	595	=back
365		596
366	=cut	597	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		598
490	#############################################################################	599	#############################################################################
491		600
492	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
493		602
…		…
495	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")
496	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
497		606
498	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>
499	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
500	crossfire+).	609	Crossfire TRT).
501		610
502	=over 4	611	=over 4
503		612
504	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
505		614
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	729	our @CB_MAP = ();
621		730
622	my %attachment;	731	my %attachment;
623		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
624	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
626		741
627	use sort 'stable';	742	use sort 'stable';
628		743
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
663		778
664	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		783
669	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	785	my $pkg = shift @arg;
671		786
672	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
702	}	817	}
703		818
704	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
705	} else {	820	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	822	}
708		823
709	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
710	}	825	}
711		826
…		…
713	if (ref $_[0]) {	828	if (ref $_[0]) {
714	_object_attach @_;	829	_object_attach @_;
715	} else {	830	} else {
716	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
717	}	832	}
		833	_recalc_want;
718	};	834	};
719		835
720	# all those should be optimised	836	# all those should be optimised
721	sub cf::attachable::detach {	837	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
726	reattach ($obj);	842	reattach ($obj);
727	} else {	843	} else {
728	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
729	}	845	}
		846	_recalc_want;
730	};	847	};
731		848
732	sub cf::attachable::attached {	849	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
734		851
…		…
799	# object support	916	# object support
800		917
801	sub reattach {	918	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		923
805	my $registry = $obj->registry;	924	my $registry = $obj->registry;
806		925
807	@$registry = ();	926	@$registry = ();
808		927
…		…
855	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
856		975
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	980	close $fh;
862		981
863	if (@$objs) {	982	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	988	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
871	}	990	}
872	} else {	991	} else {
873	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
905	or return;	1024	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1026	}
908		1027
909	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1030	return ($data, $av);
912	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
913		1038
914	#############################################################################	1039	#############################################################################
915	# command handling &c	1040	# command handling &c
916		1041
917	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1056	}
932		1057
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1059
935	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.
936		1065
937	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
938	called.	1067	called.
939		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
940	=cut	1080	=cut
941		1081
942	sub register_extcmd {	1082	sub register_extcmd {
943	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
944		1084
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
949	}	1092	}
950		1093
951	cf::player->attach (	1094	cf::player->attach (
952	on_command => sub {	1095	on_command => sub {
953	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1105	cf::override;
963	},	1106	},
964	on_extcmd => sub {	1107	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
966		1109
967	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1111
969	if (ref $msg) {	1112	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1116	}
974	}	1117	}
975	} else {	1118	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1121
979	cf::override;	1122	cf::override;
980	},	1123	},
981	);	1124	);
982		1125
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1060	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1131	next unless -r $path;
1062	eval {	1132
1063	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;
1064	1	1190	}
1065	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1066	}	1196	};
1067	}	1197	}
1068		1198
1069	#############################################################################	1199	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1200
1072	*cf::mapsupport::on_clean = sub {	1201	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1202
1085	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1086		1204
1087	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1088		1206
…		…
1101	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1102		1220
1103	=cut	1221	=cut
1104		1222
1105	sub playerdir($) {	1223	sub playerdir($) {
1106	cf::localdir	1224	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1226	}
1112		1227
1113	sub path($) {	1228	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1230
1116	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1117	}	1232	}
1118		1233
1119	sub find_active($) {	1234	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1124		1239
1125	sub exists($) {	1240	sub exists($) {
1126	my ($login) = @_;	1241	my ($login) = @_;
1127		1242
1128	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1130	}	1245	}
1131		1246
1132	sub find($) {	1247	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1249	my $login = $_[0];
1135		1250
1136	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1137		1252
1138	$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
1139	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1140	or return;	1262	or return;
1141	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1142	}	1264	}
1143	}	1265	}
…		…
1180		1302
1181	=cut	1303	=cut
1182		1304
1183	sub quit_character {	1305	sub quit_character {
1184	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1185		1309
1186	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1187	$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
1188		1312
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1344	}
1201		1345
1202	=item cf::player::list_logins	1346	=item cf::player::list_logins
1203		1347
1204	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
1205	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1206		1350
1207	=cut	1351	=cut
1208		1352
1209	sub list_logins {	1353	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1355	or return [];
1212		1356
1213	my @logins;	1357	my @logins;
1214		1358
1215	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1224	\@logins	1368	\@logins
1225	}	1369	}
1226		1370
1227	=item $player->maps	1371	=item $player->maps
1228		1372
1229	Returns an arrayref of cf::path's of all maps that are private for this	1373	Returns an arrayref of map paths that are private for this
1230	player. May block.	1374	player. May block.
1231		1375
1232	=cut	1376	=cut
1233		1377
1234	sub maps($) {	1378	sub maps($) {
1235	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1382
1237	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1238	or return;	1384	or return;
1239		1385
1240	my @paths;	1386	my @paths;
1241		1387
1242	for (@$files) {	1388	for (@$files) {
1243	utf8::decode $_;	1389	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1391	next unless /^$PATH_SEP/o;
1246		1392
1247	s/$PATH_SEP/\//g;	1393	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1394	}
1250		1395
1251	\@paths	1396	\@paths
1252	}	1397	}
1253		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
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1255		1450
1256	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1257		1452
1258	=cut	1453	=cut
1259		1454
1260	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1262		1457
1263	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1264		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1460	}
1267		1461
1268	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	}
1269		1502
1270	=back	1503	=back
1271
1272		1504
1273	=head3 cf::map	1505	=head3 cf::map
1274		1506
1275	=over 4	1507	=over 4
1276		1508
…		…
1279	package cf::map;	1511	package cf::map;
1280		1512
1281	use Fcntl;	1513	use Fcntl;
1282	use Coro::AIO;	1514	use Coro::AIO;
1283		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1284	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1286		1522
1287	sub generate_random_map {	1523	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1526	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
		1538	)
		1539	}
		1540
		1541	=item cf::map->register ($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
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1304	}	1666	}
1305		1667
1306	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1307	# all maps in C++...	1669	# all maps in C++...
1308	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1310		1672
1311	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1313	}	1675	}
1314		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1315	sub try_load_header($) {	1693	sub load_header_from($) {
1316	my ($path) = @_;	1694	my ($self, $path) = @_;
1317		1695
1318	utf8::encode $path;	1696	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1320	or return;	1701	or return;
1321		1702
1322	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		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	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1323	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1324		1749
1325	# for better error messages only, will be overwritten	1750	$self->{deny_reset} = 1
1326	$map->path ($path);	1751	if $self->no_reset;
1327		1752
1328	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1754	unless $self->default_region;
1330		1755
1331	$map->{load_path} = $path;	1756	1
1332
1333	$map
1334	}	1757	}
1335		1758
1336	sub find;	1759	sub find;
1337	sub find {	1760	sub find {
1338	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1339		1762
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1764
1345	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1346		1766
1347	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1349		1769	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1770	or return;
1369		1771
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1382		1773
1383	Coro::cede;	1774	$map->load_header
		1775	or return;
1384		1776
1385	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1780	$map->reset;
1387	undef $guard;	1781	undef $guard;
1388	$map = find $path	1782	return find $path;
1389	or return;
1390	}	1783	}
1391		1784
1392	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1393	}	1786	}
1394	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1395		1791
1396	sub load {	1792	sub load {
1397	my ($self) = @_;	1793	my ($self) = @_;
1398		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1399	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1401		1801
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1803
1404	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1405		1805
1406	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1407	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1812	or return;
1409		1813
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1815	if delete $self->{load_original};
1412		1816
1413	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1818	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1820	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1418	}	1822	}
1419	}	1823	}
1420		1824
1421	Coro::cede;	1825	Coro::cede;
1422
1423	# now do the right thing for maps	1826	# now do the right thing for maps
1424	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($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;
1436	$self->activate;	1839	$self->activate;
1437	}	1840	}
1438		1841
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
		1858	}
		1859
		1860	# find and load all maps in the 3x3 area around a map
		1861	sub load_diag {
		1862	my ($map) = @_;
		1863
		1864	my @diag; # diagonal neighbours
		1865
		1866	for (0 .. 3) {
		1867	my $neigh = $map->tile_path ($_)
		1868	or next;
		1869	$neigh = find $neigh, $map
		1870	or next;
		1871	$neigh->load;
		1872
		1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1875	}
		1876
		1877	for (@diag) {
		1878	my $neigh = find @$_
		1879	or next;
		1880	$neigh->load;
		1881	}
1442	}	1882	}
1443		1883
1444	sub find_sync {	1884	sub find_sync {
1445	my ($path, $origin) = @_;	1885	my ($path, $origin) = @_;
1446		1886
1447	cf::sync_job { cf::map::find $path, $origin }	1887	cf::sync_job { find $path, $origin }
1448	}	1888	}
1449		1889
1450	sub do_load_sync {	1890	sub do_load_sync {
1451	my ($map) = @_;	1891	my ($map) = @_;
1452		1892
1453	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1454	}	1894	}
1455		1895
		1896	our %MAP_PREFETCH;
		1897	our $MAP_PREFETCHER = undef;
		1898
		1899	sub find_async {
		1900	my ($path, $origin) = @_;
		1901
		1902	$path = normalise $path, $origin && $origin->{path};
		1903
		1904	if (my $map = $cf::MAP{$path}) {
		1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1906	}
		1907
		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	};
		1921	$MAP_PREFETCHER->prio (6);
		1922
		1923	()
		1924	}
		1925
1456	sub save {	1926	sub save {
1457	my ($self) = @_;	1927	my ($self) = @_;
1458		1928
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1930
1461	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1462		1932
1463	return unless $self->dirty;	1933	return unless $self->dirty;
1464		1934
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1937
1468	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1469		1939
1470	return if $self->{deny_save};	1940	return if $self->{deny_save};
1471		1941
…		…
1474	cf::async {	1944	cf::async {
1475	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1476	};	1946	};
1477		1947
1478	if ($uniq) {	1948	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1951	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1953	}
1484	}	1954	}
1485		1955
1486	sub swap_out {	1956	sub swap_out {
1487	my ($self) = @_;	1957	my ($self) = @_;
…		…
1501		1971
1502	sub reset_at {	1972	sub reset_at {
1503	my ($self) = @_;	1973	my ($self) = @_;
1504		1974
1505	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1508		1977
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1980
…		…
1516	my ($self) = @_;	1985	my ($self) = @_;
1517		1986
1518	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1519	}	1988	}
1520		1989
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1990	sub reset {
1543	my ($self) = @_;	1991	my ($self) = @_;
1544		1992
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1994
1547	return if $self->players;	1995	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		1996
1550	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	}
1551		2008
1552	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1553		2012
1554	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1555		2014
1556	$self->unlink_save;	2015	$self->unlink_save;
1557	$self->destroy;	2016	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1561		2020
1562	sub nuke {	2021	sub nuke {
1563	my ($self) = @_;	2022	my ($self) = @_;
1564		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1568	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1569	}	2037	}
1570		2038
1571	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2040
1574	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1576	}	2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
1577		2056
1578	$map	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
		2075	=item cf::map::unique_maps
		2076
		2077	Returns an arrayref of paths of all shared maps that have
		2078	instantiated unique items. May block.
		2079
		2080	=cut
		2081
		2082	sub unique_maps() {
		2083	[
		2084	map {
		2085	utf8::decode $_;
		2086	/\.map$/
		2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
		2090	]
1579	}	2091	}
1580		2092
1581	package cf;	2093	package cf;
1582		2094
1583	=back	2095	=back
…		…
1629		2141
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2143
1632	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1634	} 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 {
1635	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1637	}	2163	}
1638	}	2164	}
1639		2165
1640	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1641		2167
…		…
1655		2181
1656	=item $player_object->enter_link	2182	=item $player_object->enter_link
1657		2183
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2185
1660	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1662		2188
		2189	Will never block.
		2190
1663	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1664		2192
1665	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2196	fails, to the emergency map position.
1669		2197
1670	Might block.	2198	Might block.
1671		2199
1672	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1673		2211
1674	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2213	my ($self) = @_;
1676		2214
1677	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1678		2216
1679	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2218
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1683		2221
1684	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2223	}
1686		2224
1687	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1689		2229
1690	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1691		2231
1692	unless ($map) {	2232	unless ($map) {
1693	# restore original map position	2233	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2247	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2248	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2249	if $x <=0 && $y <= 0;
1710		2250
1711	$map->load;	2251	$map->load;
		2252	$map->load_diag;
1712		2253
1713	return unless $self->contr->active;	2254	return unless $self->contr->active;
1714	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1716	}	2259	}
1717		2260
1718	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2262
1722	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1726	};	2267	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2268
1732	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1753		2272
1754	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2275
1757	$path = new cf::path $path;	2276	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2278
1760	$self->enter_link;	2279	$self->enter_link;
1761		2280
1762	(async {	2281	(async {
		2282	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
1765		2287	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2288	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1770		2291
		2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
		2298	}
		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1772	})->prio (1);	2306	})->prio (1);
1773	}	2307	}
1774		2308
1775	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1776		2310
…		…
1778		2312
1779	sub parse_random_map_params {	2313	sub parse_random_map_params {
1780	my ($spec) = @_;	2314	my ($spec) = @_;
1781		2315
1782	my $rmp = { # defaults	2316	my $rmp = { # defaults
1783	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1785	};	2321	};
1786		2322
1787	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1789		2325
…		…
1793	$rmp	2329	$rmp
1794	}	2330	}
1795		2331
1796	sub prepare_random_map {	2332	sub prepare_random_map {
1797	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2336
1799	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2339	# that depends on the exit object
1802		2340
1803	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1804		2342
1805	if ($exit->map) {	2343	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1810	}	2348	}
1811		2349
1812	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1813		2351
1814	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1816		2355
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
		2358	undef $fh;
		2359	aio_rename "$meta~", $meta;
1819		2360
1820	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2362	$exit->msg (undef);
1822	}	2363	}
1823	}	2364	}
…		…
1825	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1827		2368
1828	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1829		2370
		2371	if ($exit->slaying eq "/!") {
		2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
		2375	cf::sync_job { prepare_random_map $exit };
		2376	}
		2377
		2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2379	my $hp = $exit->stats->hp;
		2380	my $sp = $exit->stats->sp;
		2381
1830	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1831		2387
1832	(async {	2388	(async {
1833	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2390	unless (eval {
1835	prepare_random_map $exit	2391	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2392
1841	1;	2393	1;
1842	}) {	2394	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2397	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2399
1848	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2401	$self->leave_link;
1850	}	2402	}
1851	})->prio (1);	2403	})->prio (1);
…		…
1864		2416
1865	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1867		2419
1868	utf8::encode $text;	2420	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2422	}
1871		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1872		2478
1873	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1874		2480
1875	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2484
1879	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2486	become reliable at some point in the future.
1881		2487
1882	=cut	2488	=cut
1883		2489
1884	sub cf::client::query {	2490	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2499	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2501
1896	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1898	}	2506	}
1899		2507
1900	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1901	on_reply => sub {	2514	on_reply => sub {
1902	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1903		2516
1904	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1905	# get handled first	2518	# get handled first
1906	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2521
1909	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2524
1911	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1912		2526
1913	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2528	if (@$queue) {
…		…
1916	} else {	2530	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2532	}
1919	}	2533	}
1920	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
1921	);	2553	);
1922		2554
1923	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
1924		2556
1925	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
1972		2604
1973	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
1974		2606
1975	=pod	2607	=pod
1976		2608
1977	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
1978		2610
1979	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
1980	cf::object::player player	2615	cf::object::player
1981	cf::player peaceful	2616	player
1982	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
1983		2623
1984	=cut	2624	=cut
1985		2625
1986	for (	2626	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
1988	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
1991	) {	2632	) {
1992	no strict 'refs';	2633	no strict 'refs';
…		…
2063	=back	2704	=back
2064		2705
2065	=cut	2706	=cut
2066		2707
2067	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
2068		2710
2069	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
2070		2713
2071	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
2072	currently store anything that can be serialised using Storable, which
2073	excludes objects.
2074		2715
2075	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
2076	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
2077		2719
2078	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
2079		2721
2080	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
2081		2724
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key
2087
2088	Returns a single value from the database
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
2118		2727
2119	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2120		2734
2121	sub db_save() {	2735	cf::cede_to_tick;
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2736	}
2167	);
2168	}
2169		2737
2170	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776	my $data = pack "(w/a*)*", $meta, $info->{data};
		2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2778
		2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2780	cf::face::set_type $idx, 1;
		2781	cf::face::set_data $idx, 0, $data, $chk;
		2782
		2783	cf::cede_to_tick;
		2784	}
		2785	}
		2786
		2787	1
		2788	}
		2789
		2790	sub reload_regions {
		2791	load_resource_file "$MAPDIR/regions"
		2792	or die "unable to load regions file\n";
		2793
		2794	for (cf::region::list) {
		2795	$_->{match} = qr/$_->{match}/
		2796	if exists $_->{match};
		2797	}
		2798	}
		2799
		2800	sub reload_facedata {
		2801	load_facedata "$DATADIR/facedata"
		2802	or die "unable to load facedata\n";
		2803	}
		2804
		2805	sub reload_archetypes {
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
		2808	#d# NEED to laod twice to resolve forward references
		2809	# this really needs to be done in an extra post-pass
		2810	# (which needs to be synchronous, so solve it differently)
		2811	load_resource_file "$DATADIR/archetypes"
		2812	or die "unable to load archetypes\n";
		2813	}
		2814
		2815	sub reload_treasures {
		2816	load_resource_file "$DATADIR/treasures"
		2817	or die "unable to load treasurelists\n";
		2818	}
		2819
		2820	sub reload_resources {
		2821	warn "reloading resource files...\n";
		2822
		2823	reload_regions;
		2824	reload_facedata;
		2825	#reload_archetypes;#d#
		2826	reload_archetypes;
		2827	reload_treasures;
		2828
		2829	warn "finished reloading resource files\n";
		2830	}
		2831
		2832	sub init {
		2833	reload_resources;
		2834	}
2172		2835
2173	sub cfg_load {	2836	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2837	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2838	or return;
2176		2839
2177	local $/;	2840	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2841	*CFG = YAML::Syck::Load <$fh>;
2179		2842
…		…
2193		2856
2194	sub main {	2857	sub main {
2195	# we must not ever block the main coroutine	2858	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2859	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2861	(async {
2198	async { Event::one_event };	2862	Event::one_event;
		2863	})->prio (Coro::PRIO_MAX);
2199	};	2864	};
2200		2865
2201	cfg_load;	2866	cfg_load;
2202	db_load;	2867	db_init;
2203	load_extensions;	2868	load_extensions;
		2869
		2870	$TICK_WATCHER->start;
2204	Event::loop;	2871	Event::loop;
2205	}	2872	}
2206		2873
2207	#############################################################################	2874	#############################################################################
2208	# initialisation and cleanup	2875	# initialisation and cleanup
2209		2876
2210	# install some emergency cleanup handlers	2877	# install some emergency cleanup handlers
2211	BEGIN {	2878	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2879	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2880	Event->signal (
		2881	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2882	data => WF_AUTOCANCEL,
2215	signal => $signal,	2883	signal => $signal,
		2884	prio => 0,
2216	cb => sub {	2885	cb => sub {
2217	cf::cleanup "SIG$signal";	2886	cf::cleanup "SIG$signal";
2218	},	2887	},
2219	);	2888	);
2220	}	2889	}
2221	}	2890	}
2222		2891
		2892	sub write_runtime {
		2893	my $runtime = "$LOCALDIR/runtime";
		2894
		2895	# first touch the runtime file to show we are still running:
		2896	# the fsync below can take a very very long time.
		2897
		2898	IO::AIO::aio_utime $runtime, undef, undef;
		2899
		2900	my $guard = cf::lock_acquire "write_runtime";
		2901
		2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2903	or return;
		2904
		2905	my $value = $cf::RUNTIME + 90 + 10;
		2906	# 10 is the runtime save interval, for a monotonic clock
		2907	# 60 allows for the watchdog to kill the server.
		2908
		2909	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2910	and return;
		2911
		2912	# always fsync - this file is important
		2913	aio_fsync $fh
		2914	and return;
		2915
		2916	# touch it again to show we are up-to-date
		2917	aio_utime $fh, undef, undef;
		2918
		2919	close $fh
		2920	or return;
		2921
		2922	aio_rename "$runtime~", $runtime
		2923	and return;
		2924
		2925	warn "runtime file written.\n";
		2926
		2927	1
		2928	}
		2929
2223	sub emergency_save() {	2930	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2931	my $freeze_guard = cf::freeze_mainloop;
2225		2932
2226	warn "enter emergency perl save\n";	2933	warn "enter emergency perl save\n";
2227		2934
2228	cf::sync_job {	2935	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2936	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2937	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2938	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2939	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2940	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2941	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2942	$pl->valid or next;
2236	$pl->save;	2943	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2949	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2950	$map->valid or next;
2244	$map->save;	2951	$map->save;
2245	}	2952	}
2246	warn "end emergency map save\n";	2953	warn "end emergency map save\n";
		2954
		2955	warn "begin emergency database checkpoint\n";
		2956	BDB::db_env_txn_checkpoint $DB_ENV;
		2957	warn "end emergency database checkpoint\n";
2247	};	2958	};
2248		2959
2249	warn "leave emergency perl save\n";	2960	warn "leave emergency perl save\n";
2250	}	2961	}
2251		2962
		2963	sub post_cleanup {
		2964	my ($make_core) = @_;
		2965
		2966	warn Carp::longmess "post_cleanup backtrace"
		2967	if $make_core;
		2968	}
		2969
2252	sub reload() {	2970	sub do_reload_perl() {
2253	# can/must only be called in main	2971	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2972	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2973	warn "can only reload from main coroutine";
2256	return;	2974	return;
2257	}	2975	}
2258		2976
2259	warn "reloading...";	2977	warn "reloading...";
2260		2978
2261	my $guard = freeze_mainloop;	2979	warn "entering sync_job";
		2980
		2981	cf::sync_job {
		2982	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2983	cf::emergency_save;
		2984	cf::write_runtime; # external watchdog should not bark
2263		2985
2264	eval {	2986	warn "syncing database to disk";
		2987	BDB::db_env_txn_checkpoint $DB_ENV;
		2988
2265	# if anything goes wrong in here, we should simply crash as we already saved	2989	# if anything goes wrong in here, we should simply crash as we already saved
2266		2990
2267	# cancel all watchers	2991	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2992	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2994	}
2271		2995
		2996	warn "flushing outstanding aio requests";
		2997	for (;;) {
		2998	BDB::flush;
		2999	IO::AIO::flush;
		3000	Coro::cede;
		3001	last unless IO::AIO::nreqs || BDB::nreqs;
		3002	warn "iterate...";
		3003	}
		3004
		3005	++$RELOAD;
		3006
2272	# cancel all extension coros	3007	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3008	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3009	%EXT_CORO = ();
2275		3010
2276	# unload all extensions	3011	warn "removing commands";
2277	for (@exts) {	3012	%COMMAND = ();
		3013
		3014	warn "removing ext/exti commands";
		3015	%EXTCMD = ();
		3016	%EXTICMD = ();
		3017
		3018	warn "unloading/nuking all extensions";
		3019	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	3020	warn "... unloading $pkg";
2279	unload_extension $_;	3021
		3022	if (my $cb = $pkg->can ("unload")) {
		3023	eval {
		3024	$cb->($pkg);
		3025	1
		3026	} or warn "$pkg unloaded, but with errors: $@";
2280	}	3027	}
2281		3028
		3029	warn "... nuking $pkg";
		3030	Symbol::delete_package $pkg;
		3031	}
		3032
2282	# unload all modules loaded from $LIBDIR	3033	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	3034	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		3036
2286	warn "removing <$k>";	3037	warn "... unloading $k";
2287	delete $INC{$k};	3038	delete $INC{$k};
2288		3039
2289	$k =~ s/\.pm$//;	3040	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	3041	$k =~ s/\//::/g;
2291		3042
…		…
2294	}	3045	}
2295		3046
2296	Symbol::delete_package $k;	3047	Symbol::delete_package $k;
2297	}	3048	}
2298		3049
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3050	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3051	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3053
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	3054	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	3055	delete $INC{"cf.pm"};
		3056	delete $INC{"cf/pod.pm"};
2312		3057
2313	# don't, removes xs symbols, too,	3058	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3059	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3060	#Symbol::delete_package __PACKAGE__;
2316		3061
2317	# reload cf.pm	3062	warn "unload completed, starting to reload now";
		3063
2318	warn "reloading cf.pm";	3064	warn "reloading cf.pm";
2319	require cf;	3065	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3067
2322	# load config and database again	3068	warn "loading config and database again";
2323	cf::cfg_load;	3069	cf::cfg_load;
2324	cf::db_load;
2325		3070
2326	# load extensions
2327	warn "load extensions";	3071	warn "loading extensions";
2328	cf::load_extensions;	3072	cf::load_extensions;
2329		3073
2330	# reattach attachments to objects	3074	warn "reattaching attachments to objects/players";
2331	warn "reattach";	3075	_global_reattach; # objects, sockets
2332	_global_reattach;	3076	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3077	reattach $_ for values %MAP;
2334	};	3078	warn "reattaching attachments to players";
		3079	reattach $_ for values %PLAYER;
2335		3080
2336	if ($@) {	3081	warn "leaving sync_job";
		3082
		3083	1
		3084	} or do {
2337	warn $@;	3085	warn $@;
2338	warn "error while reloading, exiting.";	3086	warn "error while reloading, exiting.";
2339	exit 1;	3087	exit 1;
2340	}	3088	};
2341		3089
2342	warn "reloaded successfully";	3090	warn "reloaded";
2343	};	3091	};
2344		3092
2345	#############################################################################	3093	our $RELOAD_WATCHER; # used only during reload
2346		3094
2347	unless ($LINK_MAP) {	3095	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	3096	# doing reload synchronously and two reloads happen back-to-back,
		3097	# coro crashes during coro_state_free->destroy here.
2349		3098
2350	$LINK_MAP->width (41);	3099	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	3100	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	3101	after => 0,
		3102	data => WF_AUTOCANCEL,
2360	cb => sub {	3103	cb => sub {
2361	$_[0]->w->cancel;	3104	do_reload_perl;
2362		3105	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	3106	},
2381		3107	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3108	}
2387
2388	register "<global>", __PACKAGE__;
2389		3109
2390	register_command "reload" => sub {	3110	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3111	my ($who, $arg) = @_;
2392		3112
2393	if ($who->flag (FLAG_WIZ)) {	3113	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3114	$who->message ("reloading server.");
		3115	async { reload_perl };
2397	}	3116	}
2398	};	3117	};
2399		3118
2400	unshift @INC, $LIBDIR;	3119	unshift @INC, $LIBDIR;
2401		3120
		3121	my $bug_warning = 0;
		3122
		3123	our @WAIT_FOR_TICK;
		3124	our @WAIT_FOR_TICK_BEGIN;
		3125
		3126	sub wait_for_tick {
		3127	return unless $TICK_WATCHER->is_active;
		3128	return if $Coro::current == $Coro::main;
		3129
		3130	my $signal = new Coro::Signal;
		3131	push @WAIT_FOR_TICK, $signal;
		3132	$signal->wait;
		3133	}
		3134
		3135	sub wait_for_tick_begin {
		3136	return unless $TICK_WATCHER->is_active;
		3137	return if $Coro::current == $Coro::main;
		3138
		3139	my $signal = new Coro::Signal;
		3140	push @WAIT_FOR_TICK_BEGIN, $signal;
		3141	$signal->wait;
		3142	}
		3143
		3144	my $min = 1e6;#d#
		3145	my $avg = 10;
2402	$TICK_WATCHER = Event->timer (	3146	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	3147	reentrant => 0,
		3148	parked => 1,
2404	prio => 0,	3149	prio => 0,
2405	at => $NEXT_TICK || $TICK,	3150	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	3151	data => WF_AUTOCANCEL,
2407	cb => sub {	3152	cb => sub {
		3153	if ($Coro::current != $Coro::main) {
		3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3155	unless ++$bug_warning > 10;
		3156	return;
		3157	}
		3158
		3159	$NOW = $tick_start = Event::time;
		3160
2408	cf::server_tick; # one server iteration	3161	cf::server_tick; # one server iteration
		3162
		3163	0 && sync_job {#d#
		3164	for(1..10) {
		3165	my $t = Event::time;
		3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3167	or die;
		3168
		3169	$map->width (50);
		3170	$map->height (50);
		3171	$map->alloc;
		3172	$map->_load_objects ("/tmp/x.map", 1);
		3173	my $t = Event::time - $t;
		3174
		3175	#next unless $t < 0.0013;#d#
		3176	if ($t < $min) {
		3177	$min = $t;
		3178	}
		3179	$avg = $avg * 0.99 + $t * 0.01;
		3180	}
		3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3182	exit 0;
		3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3184	};
		3185
2409	$RUNTIME += $TICK;	3186	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	3187	$NEXT_TICK += $TICK;
2411		3188
2412	$WAIT_FOR_TICK->broadcast;	3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3191	Coro::async_pool {
		3192	write_runtime
		3193	or warn "ERROR: unable to write runtime file: $!";
		3194	};
		3195	}
		3196
		3197	# my $AFTER = Event::time;
		3198	# warn $AFTER - $NOW;#d#
		3199
		3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3201	$sig->send;
		3202	}
		3203	while (my $sig = shift @WAIT_FOR_TICK) {
		3204	$sig->send;
		3205	}
		3206
		3207	$NOW = Event::time;
2414		3208
2415	# if we are delayed by four ticks or more, skip them all	3209	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2417		3211
2418	$TICK_WATCHER->at ($NEXT_TICK);	3212	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	3213	$TICK_WATCHER->start;
		3214
		3215	$LOAD = ($NOW - $tick_start) / $TICK;
		3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3217
		3218	_post_tick;
		3219
		3220
2420	},	3221	},
2421	);	3222	);
2422		3223
		3224	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	3225	BDB::max_poll_time $TICK * 0.1;
2424		3226	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	3227	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	3228	fd => BDB::poll_fileno,
2427	poll => 'r',	3229	poll => 'r',
2428	prio => 5,	3230	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	3231	data => WF_AUTOCANCEL,
2435	after => 0,	3232	cb => \&BDB::poll_cb,
2436	interval => 10,	3233	);
2437	cb => sub {	3234	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	3235
2439	write_runtime	3236	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	3237	my $status;
		3238	my $current = $Coro::current;
		3239	(
		3240	sub {
		3241	$status = $!;
		3242	$current->ready; undef $current;
		3243	},
		3244	sub {
		3245	Coro::schedule while defined $current;
		3246	$! = $status;
		3247	},
		3248	)
		3249	};
		3250
		3251	unless ($DB_ENV) {
		3252	$DB_ENV = BDB::db_env_create;
		3253
		3254	cf::sync_job {
		3255	eval {
		3256	BDB::db_env_open
		3257	$DB_ENV,
		3258	$BDBDIR,
		3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3261	0666;
		3262
		3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3264
		3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3266	$DB_ENV->set_lk_detect;
		3267	};
		3268
		3269	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	3270	};
2442	},	3271	}
2443	);	3272	}
		3273
		3274	{
		3275	IO::AIO::min_parallel 8;
		3276
		3277	undef $Coro::AIO::WATCHER;
		3278	IO::AIO::max_poll_time $TICK * 0.1;
		3279	$AIO_POLL_WATCHER = Event->io (
		3280	reentrant => 0,
		3281	data => WF_AUTOCANCEL,
		3282	fd => IO::AIO::poll_fileno,
		3283	poll => 'r',
		3284	prio => 6,
		3285	cb => \&IO::AIO::poll_cb,
		3286	);
		3287	}
		3288
		3289	my $_log_backtrace;
		3290
		3291	sub _log_backtrace {
		3292	my ($msg, @addr) = @_;
		3293
		3294	$msg =~ s/\n//;
		3295
		3296	# limit the # of concurrent backtraces
		3297	if ($_log_backtrace < 2) {
		3298	++$_log_backtrace;
		3299	async {
		3300	my @bt = fork_call {
		3301	@addr = map { sprintf "%x", $_ } @addr;
		3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3304	or die "addr2line: $!";
		3305
		3306	my @funcs;
		3307	my @res = <$fh>;
		3308	chomp for @res;
		3309	while (@res) {
		3310	my ($func, $line) = splice @res, 0, 2, ();
		3311	push @funcs, "[$func] $line";
		3312	}
		3313
		3314	@funcs
		3315	};
		3316
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] $_\n" for @bt;
		3319	--$_log_backtrace;
		3320	};
		3321	} else {
		3322	LOG llevInfo, "[ABT] $msg\n";
		3323	LOG llevInfo, "[ABT] [suppressed]\n";
		3324	}
		3325	}
		3326
		3327	# load additional modules
		3328	use cf::pod;
2444		3329
2445	END { cf::emergency_save }	3330	END { cf::emergency_save }
2446		3331
2447	1	3332	1
2448		3333

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