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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
87		117
88	#############################################################################	118	#############################################################################
89		119
90	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
91		121
…		…
98	=item $cf::RUNTIME	128	=item $cf::RUNTIME
99		129
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	131	every server tick.
102		132
103	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		136
105	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
107		141
108	=item $cf::NOW	142	=item $cf::NOW
109		143
110	The time of the last (current) server tick.	144	The time of the last (current) server tick.
111		145
112	=item $cf::TICK	146	=item $cf::TICK
113		147
114	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
115		159
116	=item %cf::CFG	160	=item %cf::CFG
117		161
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	163	from wherever your confdir points to.
120		164
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		166
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		170
128	=back	171	=back
129		172
130	=cut	173	=cut
131		174
132	BEGIN {	175	BEGIN {
133	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	177	my $msg = join "", @_;
135	utf8::encode $msg;
136		178
137	$msg .= "\n"	179	$msg .= "\n"
138	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
139		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
140	LOG llevError, $msg;	185	LOG llevError, $msg;
141	};	186	};
142	}	187	}
143		188
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		196
151	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	198	# within the Safe compartment.
153	for my $pkg (qw(	199	for my $pkg (qw(
154	cf::global cf::attachable	200	cf::global cf::attachable
…		…
162	}	208	}
163		209
164	$Event::DIED = sub {	210	$Event::DIED = sub {
165	warn "error in event callback: @_";	211	warn "error in event callback: @_";
166	};	212	};
		213
		214	#############################################################################
167		215
168	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
169		217
170	=over 4	218	=over 4
171		219
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	239	$d
192	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
193	}	241	}
194		242
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211		250
212	=cut	251	=cut
213		252
214	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
216	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
218		257
219	=item cf::lock_wait $string	258	=item cf::lock_wait $string
220		259
221	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
222		261
…		…
228	returned.	267	returned.
229		268
230	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
232		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
233	=cut	276	=cut
234		277
235	our %LOCK;	278	our %LOCK;
236		279
237	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
258	}	301	}
259	}	302	}
260		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
261	sub freeze_mainloop {	310	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
263		312
264	my $guard = Coro::guard {	313	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	315	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
270	$guard	317	$guard
271	}	318	}
272		319
273	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		406
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
352	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
353		411
354	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		413
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub _store_scalar {
359	and return;	415	open my $fh, ">", \my $buf
360		416	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	417	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	418	close $fh;
365	or return;
366		419
367	aio_rename "$runtime~", $runtime	420	$buf
368	and return;	421	}
369		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
370	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	592	}
372		593
373	=back	594	=back
374		595
375	=cut	596	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
384		605
385	In the following description, CLASS can be any of C<global>, C<object>	606	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	608	Crossfire TRT).
388		609
389	=over 4	610	=over 4
390		611
391	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
392		613
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
556		777
557	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		782
562	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	784	my $pkg = shift @arg;
564		785
565	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
595	}	816	}
596		817
597	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
598	} else {	819	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	821	}
601		822
602	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
603	}	824	}
604		825
…		…
606	if (ref $_[0]) {	827	if (ref $_[0]) {
607	_object_attach @_;	828	_object_attach @_;
608	} else {	829	} else {
609	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
610	}	831	}
		832	_recalc_want;
611	};	833	};
612		834
613	# all those should be optimised	835	# all those should be optimised
614	sub cf::attachable::detach {	836	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
619	reattach ($obj);	841	reattach ($obj);
620	} else {	842	} else {
621	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
622	}	844	}
		845	_recalc_want;
623	};	846	};
624		847
625	sub cf::attachable::attached {	848	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
627		850
…		…
750	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
751		974
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	979	close $fh;
757		980
758	if (@$objs) {	981	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	987	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
766	}	989	}
767	} else {	990	} else {
768	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
800	or return;	1023	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1025	}
803		1026
804	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1029	return ($data, $av);
807	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
808		1037
809	#############################################################################	1038	#############################################################################
810	# command handling &c	1039	# command handling &c
811		1040
812	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1055	}
827		1056
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1058
830	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
831		1064
832	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
833	called.	1066	called.
834		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
835	=cut	1079	=cut
836		1080
837	sub register_extcmd {	1081	sub register_extcmd {
838	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
839		1083
840	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
841	}	1091	}
842		1092
843	cf::player->attach (	1093	cf::player->attach (
844	on_command => sub {	1094	on_command => sub {
845	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1104	cf::override;
855	},	1105	},
856	on_extcmd => sub {	1106	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
858		1108
859	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1110
861	if (ref $msg) {	1111	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1120
871	cf::override;	1121	cf::override;
872	},	1122	},
873	);	1123	);
874		1124
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
910	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1130	next unless -r $path;
912	eval {	1131
913	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
914	1	1189	}
915	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
916	}	1195	};
917	}	1196	}
918		1197
919	#############################################################################	1198	#############################################################################
920		1199
		1200	=back
		1201
921	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
922		1203
923	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
924		1205
925	=cut	1206	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
938		1219
939	=cut	1220	=cut
940		1221
941	sub playerdir($) {	1222	sub playerdir($) {
942	cf::localdir	1223	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1225	}
948		1226
949	sub path($) {	1227	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1229
952	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
953	}	1231	}
954		1232
955	sub find_active($) {	1233	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1248	my $login = $_[0];
971		1249
972	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
973		1251
974	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
975	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
976	or return;	1261	or return;
977	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
978	}	1263	}
979	}	1264	}
…		…
1016		1301
1017	=cut	1302	=cut
1018		1303
1019	sub quit_character {	1304	sub quit_character {
1020	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1021		1308
1022	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1311
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1035	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1036	}	1343	}
1037		1344
1038	=item cf::player::list_logins	1345	=item cf::player::list_logins
1039		1346
1040	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1042		1349
1043	=cut	1350	=cut
1044		1351
1045	sub list_logins {	1352	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1354	or return [];
1048		1355
1049	my @logins;	1356	my @logins;
1050		1357
1051	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1068	=cut	1375	=cut
1069		1376
1070	sub maps($) {	1377	sub maps($) {
1071	my ($pl) = @_;	1378	my ($pl) = @_;
1072		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
		1381
1073	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1074	or return;	1383	or return;
1075		1384
1076	my @paths;	1385	my @paths;
1077		1386
1078	for (@$files) {	1387	for (@$files) {
1079	utf8::decode $_;	1388	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1390	next unless /^$PATH_SEP/o;
1082		1391
1083	s/\.map$//;	1392	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1393	}
1086		1394
1087	\@paths	1395	\@paths
1088	}	1396	}
1089		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1091		1449
1092	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1093		1451
1094	=cut	1452	=cut
1095		1453
1096	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1098		1456
1099	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1100		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1459	}
1103		1460
1104	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		1468	my ($self, $type, %msg) = @_;
		1469
		1470	$self->ns->ext_event ($type, %msg);
		1471	}
		1472
		1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1105		1501
1106	=back	1502	=back
1107
1108		1503
1109	=head3 cf::map	1504	=head3 cf::map
1110		1505
1111	=over 4	1506	=over 4
1112		1507
…		…
1167	my ($self, $merge) = @_;	1562	my ($self, $merge) = @_;
1168		1563
1169	# we have to keep some variables in memory intact	1564	# we have to keep some variables in memory intact
1170	local $self->{path};	1565	local $self->{path};
1171	local $self->{load_path};	1566	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1567
1175	$self->SUPER::thawer_merge ($merge);	1568	$self->SUPER::thawer_merge ($merge);
1176	}	1569	}
1177		1570
1178	sub normalise {	1571	sub normalise {
1179	my ($path, $base) = @_;	1572	my ($path, $base) = @_;
		1573
		1574	$path = "$path"; # make sure its a string
		1575
		1576	$path =~ s/\.map$//;
1180		1577
1181	# map plan:	1578	# map plan:
1182	#	1579	#
1183	# /! non-realised random map exit (special hack!)	1580	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1581	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1618	$self->init; # pass $1 etc.
1222	return $self;	1619	return $self;
1223	}	1620	}
1224	}	1621	}
1225		1622
1226	Carp::carp "unable to resolve path '$path'.";	1623	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1624	()
1228	}	1625	}
1229		1626
1230	sub init {	1627	sub init {
1231	my ($self) = @_;	1628	my ($self) = @_;
…		…
1246		1643
1247	# the original (read-only) location	1644	# the original (read-only) location
1248	sub load_path {	1645	sub load_path {
1249	my ($self) = @_;	1646	my ($self) = @_;
1250		1647
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1648	"$MAPDIR/$self->{path}.map"
1252	}	1649	}
1253		1650
1254	# the temporary/swap location	1651	# the temporary/swap location
1255	sub save_path {	1652	sub save_path {
1256	my ($self) = @_;	1653	my ($self) = @_;
1257		1654
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1656	"$TMPDIR/$path.map"
1260	}	1657	}
1261		1658
1262	# the unique path, undef == no special unique path	1659	# the unique path, undef == no special unique path
1263	sub uniq_path {	1660	sub uniq_path {
1264	my ($self) = @_;	1661	my ($self) = @_;
1265		1662
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1664	"$UNIQUEDIR/$path"
1268	}	1665	}
1269		1666
1270	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1271	# all maps in C++...	1668	# all maps in C++...
1272	sub change_all_map_light {	1669	sub change_all_map_light {
…		…
1274		1671
1275	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1277	}	1674	}
1278		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
		1682	}
		1683
1279	sub unlink_save {	1684	sub unlink_save {
1280	my ($self) = @_;	1685	my ($self) = @_;
1281		1686
1282	utf8::encode (my $save = $self->save_path);	1687	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1688	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1691
1287	sub load_header_from($) {	1692	sub load_header_from($) {
1288	my ($self, $path) = @_;	1693	my ($self, $path) = @_;
1289		1694
1290	utf8::encode $path;	1695	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1696	#aio_open $path, O_RDONLY, 0
1292	or return;	1697	# or return;
1293		1698
1294	$self->_load_header ($path)	1699	$self->_load_header ($path)
1295	or return;	1700	or return;
1296		1701
1297	$self->{load_path} = $path;	1702	$self->{load_path} = $path;
1298		1703
1299	1	1704	1
1300	}	1705	}
1301		1706
1302	sub load_orig {	1707	sub load_header_orig {
1303	my ($self) = @_;	1708	my ($self) = @_;
1304		1709
1305	$self->load_header_from ($self->load_path)	1710	$self->load_header_from ($self->load_path)
1306	}	1711	}
1307		1712
1308	sub load_temp {	1713	sub load_header_temp {
1309	my ($self) = @_;	1714	my ($self) = @_;
1310		1715
1311	$self->load_header_from ($self->save_path)	1716	$self->load_header_from ($self->save_path)
		1717	}
		1718
		1719	sub prepare_temp {
		1720	my ($self) = @_;
		1721
		1722	$self->last_access ((delete $self->{last_access})
		1723	|| $cf::RUNTIME); #d#
		1724	# safety
		1725	$self->{instantiate_time} = $cf::RUNTIME
		1726	if $self->{instantiate_time} > $cf::RUNTIME;
		1727	}
		1728
		1729	sub prepare_orig {
		1730	my ($self) = @_;
		1731
		1732	$self->{load_original} = 1;
		1733	$self->{instantiate_time} = $cf::RUNTIME;
		1734	$self->last_access ($cf::RUNTIME);
		1735	$self->instantiate;
1312	}	1736	}
1313		1737
1314	sub load_header {	1738	sub load_header {
1315	my ($self) = @_;	1739	my ($self) = @_;
1316		1740
1317	if ($self->load_temp) {	1741	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1742	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1743	} else {
1324	$self->load_orig	1744	$self->load_header_orig
1325	or return;	1745	or return;
1326		1746	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1747	}
		1748
		1749	$self->{deny_reset} = 1
		1750	if $self->no_reset;
		1751
		1752	$self->default_region (cf::region::find_by_path $self->{path})
		1753	unless $self->default_region;
1332		1754
1333	1	1755	1
1334	}	1756	}
1335		1757
1336	sub find;	1758	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1350		1772
1351	$map->load_header	1773	$map->load_header
1352	or return;	1774	or return;
1353		1775
1354	if ($map->should_reset) {	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1777	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1778	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1779	$map->reset;
1358	undef $guard;	1780	undef $guard;
1359	$map = find $path	1781	return find $path;
1360	or return;
1361	}	1782	}
1362		1783
1363	$cf::MAP{$path} = $map	1784	$cf::MAP{$path} = $map
1364	}	1785	}
1365	}	1786	}
		1787
		1788	sub pre_load { }
		1789	sub post_load { }
1366		1790
1367	sub load {	1791	sub load {
1368	my ($self) = @_;	1792	my ($self) = @_;
1369		1793
		1794	local $self->{deny_reset} = 1; # loading can take a long time
		1795
1370	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1371	my $guard = cf::lock_acquire "map_load:$path";	1799	my $guard = cf::lock_acquire "map_load:$path";
1372		1800
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1802
1375	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1376		1804
1377	$self->alloc;	1805	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)
1379	or return;
1380		1806
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1807	$self->pre_load;
1382	if delete $self->{load_original};
1383
1384	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {
1387	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);
1389	}
1390	}
1391
1392	Coro::cede;
1393
1394	# now do the right thing for maps
1395	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;	1808	Coro::cede;
1402	$self->set_darkness_map;	1809
		1810	$self->_load_objects ($self->{load_path}, 1)
		1811	or return;
		1812
		1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1814	if delete $self->{load_original};
		1815
		1816	if (my $uniq = $self->uniq_path) {
		1817	utf8::encode $uniq;
		1818	if (aio_open $uniq, O_RDONLY, 0) {
		1819	$self->clear_unique_items;
		1820	$self->_load_objects ($uniq, 0);
		1821	}
		1822	}
		1823
		1824	Coro::cede;
		1825	# now do the right thing for maps
		1826	$self->link_multipart_objects;
1403	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1828	unless $self->difficulty;
1405	Coro::cede;	1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1406	$self->activate;	1838	$self->activate;
1407	}	1839	}
1408		1840
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1841	$self->in_memory (cf::MAP_IN_MEMORY);
		1842	}
		1843
		1844	$self->post_load;
1410	}	1845	}
1411		1846
1412	sub customise_for {	1847	sub customise_for {
1413	my ($self, $ob) = @_;	1848	my ($self, $ob) = @_;
1414		1849
1415	return find "~" . $ob->name . "/" . $self->{path}	1850	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
1417		1855
1418	$self	1856	$self
1419	}	1857	}
1420		1858
1421	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
…		…
1477	delete $MAP_PREFETCH{$path};	1915	delete $MAP_PREFETCH{$path};
1478	}	1916	}
1479	}	1917	}
1480	undef $MAP_PREFETCHER;	1918	undef $MAP_PREFETCHER;
1481	};	1919	};
		1920	$MAP_PREFETCHER->prio (6);
1482		1921
1483	()	1922	()
1484	}	1923	}
1485		1924
1486	sub save {	1925	sub save {
…		…
1531		1970
1532	sub reset_at {	1971	sub reset_at {
1533	my ($self) = @_;	1972	my ($self) = @_;
1534		1973
1535	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1538		1976
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1979
…		…
1552	my ($self) = @_;	1990	my ($self) = @_;
1553		1991
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		1993
1556	return if $self->players;	1994	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		1995
1559	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
		1997
		1998	$self->in_memory (cf::MAP_SWAPPED);
		1999
		2000	# need to save uniques path
		2001	unless ($self->{deny_save}) {
		2002	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2003
		2004	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2005	if $uniq;
		2006	}
1560		2007
1561	delete $cf::MAP{$self->path};	2008	delete $cf::MAP{$self->path};
1562		2009
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	2010	$self->clear;
1565		2011
1566	$_->clear_links_to ($self) for values %cf::MAP;	2012	$_->clear_links_to ($self) for values %cf::MAP;
1567		2013
1568	$self->unlink_save;	2014	$self->unlink_save;
…		…
1587	$cf::MAP{$self->path} = $self;	2033	$cf::MAP{$self->path} = $self;
1588		2034
1589	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1590	}	2036	}
1591		2037
		2038	=item $maps = cf::map::tmp_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
1592	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1593		2075
1594	Returns an arrayref of paths of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2077	instantiated unique items. May block.
1596		2078
1597	=cut	2079	=cut
1598		2080
1599	sub unique_maps() {	2081	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2082	[
1601	or return;	2083	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2084	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2085	/\.map$/
1611	push @paths, $_;	2086	? normalise $_
		2087	: ()
		2088	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2089	]
1613
1614	\@paths
1615	}	2090	}
1616		2091
1617	package cf;	2092	package cf;
1618		2093
1619	=back	2094	=back
…		…
1665		2140
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2142
1668	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1670	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1673	}	2162	}
1674	}	2163	}
1675		2164
1676	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1677		2166
…		…
1710	=cut	2199	=cut
1711		2200
1712	sub link_map {	2201	sub link_map {
1713	unless ($LINK_MAP) {	2202	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2203	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2204	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2205	$LINK_MAP->load;
1717	}	2206	}
1718		2207
1719	$LINK_MAP	2208	$LINK_MAP
1720	}	2209	}
…		…
1725	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1726		2215
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2217
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1731		2220
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2222	}
1734		2223
1735	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1737		2228
1738	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1739		2230
1740	unless ($map) {	2231	unless ($map) {
1741	# restore original map position	2232	# restore original map position
…		…
1759	$map->load;	2250	$map->load;
1760	$map->load_diag;	2251	$map->load_diag;
1761		2252
1762	return unless $self->contr->active;	2253	return unless $self->contr->active;
1763	$self->activate_recursive;	2254	$self->activate_recursive;
		2255
		2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1765	}	2258	}
1766		2259
1767	cf::player->attach (
1768	on_logout => sub {
1769	my ($pl) = @_;
1770
1771	# abort map switching before logout
1772	if ($pl->ob->{_link_pos}) {
1773	cf::sync_job {
1774	$pl->ob->leave_link
1775	};
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1800		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1801	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1802		2270
1803	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
		2273
		2274	# do generation counting so two concurrent goto's will be executed in-order
		2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2276
1806	$self->enter_link;	2277	$self->enter_link;
1807		2278
1808	(async {	2279	(async {
		2280	my $map = eval {
1809	my $map = cf::map::find $path;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
1811		2285	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2286	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
1816		2289
		2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
		2296	}
		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1818	})->prio (1);	2302	})->prio (1);
1819	}	2303	}
1820		2304
1821	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1822		2306
…		…
1851	# that depends on the exit object	2335	# that depends on the exit object
1852		2336
1853	my $rmp = parse_random_map_params $exit->msg;	2337	my $rmp = parse_random_map_params $exit->msg;
1854		2338
1855	if ($exit->map) {	2339	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2340	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2341	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2342	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2343	$rmp->{origin_y} = $exit->y;
1860	}	2344	}
1861		2345
1862	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1863		2347
1864	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2350	my $meta = "$RANDOMDIR/$md5.meta";
1867		2351
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2354	undef $fh;
1871	aio_rename "$meta~", $meta;	2355	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2362	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2363	my ($self, $exit) = @_;
1880		2364
1881	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1882		2366
		2367	if ($exit->slaying eq "/!") {
		2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2369	# the problem is that $exit might not survive long enough
		2370	# so it needs to be done right now, right here
		2371	cf::sync_job { prepare_random_map $exit };
		2372	}
		2373
		2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2375	my $hp = $exit->stats->hp;
		2376	my $sp = $exit->stats->sp;
		2377
1883	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1884		2383
1885	(async {	2384	(async {
1886	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2386	unless (eval {
1888	prepare_random_map $exit	2387	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2388
1894	1;	2389	1;
1895	}) {	2390	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2392	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2393	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2395
1901	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2397	$self->leave_link;
1903	}	2398	}
1904	})->prio (1);	2399	})->prio (1);
…		…
1917		2412
1918	sub cf::client::send_drawinfo {	2413	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2414	my ($self, $text, $flags) = @_;
1920		2415
1921	utf8::encode $text;	2416	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2418	}
1924		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
		2460	=item $client->ext_event ($type, %msg)
		2461
		2462	Sends an ext event to the client.
		2463
		2464	=cut
		2465
		2466	sub cf::client::ext_event($$%) {
		2467	my ($self, $type, %msg) = @_;
		2468
		2469	$msg{msgtype} = "event_$type";
		2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2471	}
1925		2472
1926	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
1927		2474
1928	Queues a query to the client, calling the given callback with	2475	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2476	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2478
1932	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2480	become reliable at some point in the future.
1934		2481
1935	=cut	2482	=cut
1936		2483
1937	sub cf::client::query {	2484	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2493	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2495
1949	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
1951	}	2500	}
1952		2501
1953	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
1954	on_reply => sub {	2508	on_reply => sub {
1955	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
1956		2510
1957	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
1958	# get handled first	2512	# get handled first
1959	my $queue = delete $ns->{query_queue}	2513	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2514	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2515
1962	(shift @$queue)->[1]->($msg);	2516	(shift @$queue)->[1]->($msg);
		2517	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2518
1964	push @{ $ns->{query_queue} }, @$queue;	2519	push @{ $ns->{query_queue} }, @$queue;
1965		2520
1966	if (@{ $ns->{query_queue} } == @$queue) {	2521	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2522	if (@$queue) {
…		…
1969	} else {	2524	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2526	}
1972	}	2527	}
1973	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
1974	);	2547	);
1975		2548
1976	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
1977		2550
1978	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2025		2598
2026	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
2027		2600
2028	=pod	2601	=pod
2029		2602
2030	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2031		2604
2032	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2033	cf::object::player player	2609	cf::object::player
2034	cf::player peaceful	2610	player
2035	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2036		2617
2037	=cut	2618	=cut
2038		2619
2039	for (	2620	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2041	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2044	) {	2626	) {
2045	no strict 'refs';	2627	no strict 'refs';
…		…
2116	=back	2698	=back
2117		2699
2118	=cut	2700	=cut
2119		2701
2120	#############################################################################	2702	#############################################################################
		2703	# the server's init and main functions
2121		2704
2122	=head2 EXTENSION DATABASE SUPPORT	2705	sub load_facedata($) {
		2706	my ($path) = @_;
2123		2707
2124	Crossfire maintains a very simple database for extension use. It can	2708	warn "loading facedata from $path\n";
2125	currently store anything that can be serialised using Storable, which
2126	excludes objects.
2127		2709
2128	The parameter C<$family> should best start with the name of the extension	2710	my $facedata;
2129	using it, it should be unique.	2711	0 < aio_load $path, $facedata
		2712	or die "$path: $!";
2130		2713
2131	=over 4	2714	$facedata = Coro::Storable::thaw $facedata;
2132		2715
2133	=item $hashref = cf::db_get $family	2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
2134		2718
2135	Return a hashref for use by the extension C<$family>, which can be
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138
2139	=item $value = cf::db_get $family => $key
2140
2141	Returns a single value from the database
2142
2143	=item cf::db_put $family => $hashref
2144
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}	2719	{
		2720	my $faces = $facedata->{faceinfo};
2171		2721
2172	my $pid;	2722	while (my ($face, $info) = each %$faces) {
2173		2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2174	sub db_save() {	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2175	waitpid $pid, 0 if $pid;	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2176	if (0 == ($pid = fork)) {	2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2177	$DB->{_meta}{version} = 1;	2727	Coro::cede;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});
2194
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}
2199
2200	sub db_get($;$) {
2201	@_ >= 2
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205
2206	sub db_put($$;$) {
2207	if (@_ >= 3) {
2208	$DB->{$_[0]}{$_[1]} = $_[2];
2209	} else {
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214
2215	cf::global->attach (
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	2728	}
2220	);
2221	}
2222		2729
2223	#############################################################################	2730	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	2731	next unless $info->{smooth};
		2732	my $idx = cf::face::find $face
		2733	or next;
		2734	if (my $smooth = cf::face::find $info->{smooth}) {
		2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2736	} else {
		2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2738	}
		2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
		2752	}
		2753
		2754	1
		2755	}
		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
		2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
		2782	sub reload_resources {
		2783	warn "reloading resource files...\n";
		2784
		2785	reload_regions;
		2786	reload_facedata;
		2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
		2792	}
		2793
		2794	sub init {
		2795	reload_resources;
		2796	}
2225		2797
2226	sub cfg_load {	2798	sub cfg_load {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	2800	or return;
2229		2801
2230	local $/;	2802	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2232		2804
…		…
2252	Event::one_event;	2824	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	2825	})->prio (Coro::PRIO_MAX);
2254	};	2826	};
2255		2827
2256	cfg_load;	2828	cfg_load;
2257	db_load;	2829	db_init;
2258	load_extensions;	2830	load_extensions;
2259		2831
2260	$TICK_WATCHER->start;	2832	$TICK_WATCHER->start;
2261	Event::loop;	2833	Event::loop;
2262	}	2834	}
…		…
2266		2838
2267	# install some emergency cleanup handlers	2839	# install some emergency cleanup handlers
2268	BEGIN {	2840	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2841	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2842	Event->signal (
		2843	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2844	data => WF_AUTOCANCEL,
2272	signal => $signal,	2845	signal => $signal,
		2846	prio => 0,
2273	cb => sub {	2847	cb => sub {
2274	cf::cleanup "SIG$signal";	2848	cf::cleanup "SIG$signal";
2275	},	2849	},
2276	);	2850	);
2277	}	2851	}
		2852	}
		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
2278	}	2890	}
2279		2891
2280	sub emergency_save() {	2892	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2282		2894
…		…
2299	my $map = $cf::MAP{$path} or next;	2911	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2912	$map->valid or next;
2301	$map->save;	2913	$map->save;
2302	}	2914	}
2303	warn "end emergency map save\n";	2915	warn "end emergency map save\n";
		2916
		2917	warn "begin emergency database checkpoint\n";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919	warn "end emergency database checkpoint\n";
2304	};	2920	};
2305		2921
2306	warn "leave emergency perl save\n";	2922	warn "leave emergency perl save\n";
2307	}	2923	}
2308		2924
		2925	sub post_cleanup {
		2926	my ($make_core) = @_;
		2927
		2928	warn Carp::longmess "post_cleanup backtrace"
		2929	if $make_core;
		2930	}
		2931
2309	sub reload() {	2932	sub do_reload_perl() {
2310	# can/must only be called in main	2933	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	2935	warn "can only reload from main coroutine";
2313	return;	2936	return;
2314	}	2937	}
2315		2938
2316	warn "reloading...";	2939	warn "reloading...";
2317		2940
2318	warn "cancelling server ticker";	2941	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		2942
		2943	cf::sync_job {
		2944	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2945	cf::emergency_save;
		2946	cf::write_runtime; # external watchdog should not bark
2322		2947
2323	eval {	2948	warn "syncing database to disk";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950
2324	# if anything goes wrong in here, we should simply crash as we already saved	2951	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		2952
2329	warn "cancelling all WF_AUTOCANCEL watchers";	2953	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	2954	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	2956	}
2333		2957
2334	warn "flushing outstanding aio requests";	2958	warn "flushing outstanding aio requests";
2335	for (;;) {	2959	for (;;) {
		2960	BDB::flush;
2336	IO::AIO::flush;	2961	IO::AIO::flush;
2337	Coro::cede;	2962	Coro::cede;
2338	last unless IO::AIO::nreqs;	2963	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	2964	warn "iterate...";
2340	}	2965	}
		2966
		2967	++$RELOAD;
2341		2968
2342	warn "cancelling all extension coros";	2969	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	2970	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	2971	%EXT_CORO = ();
2345		2972
2346	warn "removing commands";	2973	warn "removing commands";
2347	%COMMAND = ();	2974	%COMMAND = ();
2348		2975
2349	warn "removing ext commands";	2976	warn "removing ext/exti commands";
2350	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2351		2979
2352	warn "unloading/nuking all extensions";	2980	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	2982	warn "... unloading $pkg";
2355		2983
…		…
2385	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3015
2388	warn "unloading cf.pm \"a bit\"";	3016	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2390		3019
2391	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3021	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2394		3023
…		…
2398	require cf;	3027	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3029
2401	warn "loading config and database again";	3030	warn "loading config and database again";
2402	cf::cfg_load;	3031	cf::cfg_load;
2403	cf::db_load;
2404		3032
2405	warn "loading extensions";	3033	warn "loading extensions";
2406	cf::load_extensions;	3034	cf::load_extensions;
2407		3035
2408	warn "reattaching attachments to objects/players";	3036	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3037	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3038	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
		3040	warn "reattaching attachments to players";
		3041	reattach $_ for values %PLAYER;
2412		3042
2413	warn "restarting server ticker";	3043	warn "leaving sync_job";
2414		3044
2415	$TICK_WATCHER->start;	3045	1
2416	};	3046	} or do {
2417
2418	if ($@) {
2419	warn $@;	3047	warn $@;
2420	warn "error while reloading, exiting.";	3048	warn "error while reloading, exiting.";
2421	exit 1;	3049	exit 1;
2422	}	3050	};
2423		3051
2424	warn "reloaded";	3052	warn "reloaded";
2425	};	3053	};
2426		3054
2427	our $RELOAD_WATCHER; # used only during reload	3055	our $RELOAD_WATCHER; # used only during reload
2428		3056
		3057	sub reload_perl() {
		3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
		3060
		3061	$RELOAD_WATCHER ||= Event->timer (
		3062	reentrant => 0,
		3063	after => 0,
		3064	data => WF_AUTOCANCEL,
		3065	cb => sub {
		3066	do_reload_perl;
		3067	undef $RELOAD_WATCHER;
		3068	},
		3069	);
		3070	}
		3071
2429	register_command "reload" => sub {	3072	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2431		3074
2432	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3076	$who->message ("reloading server.");
2434		3077	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	3078	}
2443	};	3079	};
2444		3080
2445	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2446		3082
2447	my $bug_warning = 0;	3083	my $bug_warning = 0;
2448		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2449	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	3109	reentrant => 0,
2451	parked => 1,	3110	parked => 1,
2452	prio => 0,	3111	prio => 0,
2453	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3117	unless ++$bug_warning > 10;
2459	return;	3118	return;
2460	}	3119	}
2461		3120
2462	$NOW = Event::time;	3121	$NOW = $tick_start = Event::time;
2463		3122
2464	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2465	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2467		3150
2468	$WAIT_FOR_TICK->broadcast;	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3153	Coro::async_pool {
		3154	write_runtime
		3155	or warn "ERROR: unable to write runtime file: $!";
		3156	};
		3157	}
		3158
		3159	# my $AFTER = Event::time;
		3160	# warn $AFTER - $NOW;#d#
		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
2470		3170
2471	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		3173
2474	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2476	},	3183	},
2477	);	3184	);
2478		3185
		3186	{
		3187	BDB::max_poll_time $TICK * 0.1;
		3188	$BDB_POLL_WATCHER = Event->io (
		3189	reentrant => 0,
		3190	fd => BDB::poll_fileno,
		3191	poll => 'r',
		3192	prio => 0,
		3193	data => WF_AUTOCANCEL,
		3194	cb => \&BDB::poll_cb,
		3195	);
		3196	BDB::min_parallel 8;
		3197
		3198	BDB::set_sync_prepare {
		3199	my $status;
		3200	my $current = $Coro::current;
		3201	(
		3202	sub {
		3203	$status = $!;
		3204	$current->ready; undef $current;
		3205	},
		3206	sub {
		3207	Coro::schedule while defined $current;
		3208	$! = $status;
		3209	},
		3210	)
		3211	};
		3212
		3213	unless ($DB_ENV) {
		3214	$DB_ENV = BDB::db_env_create;
		3215
		3216	cf::sync_job {
		3217	eval {
		3218	BDB::db_env_open
		3219	$DB_ENV,
		3220	$BDBDIR,
		3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3223	0666;
		3224
		3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3226
		3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3228	$DB_ENV->set_lk_detect;
		3229	};
		3230
		3231	cf::cleanup "db_env_open(db): $@" if $@;
		3232	};
		3233	}
		3234	}
		3235
		3236	{
		3237	IO::AIO::min_parallel 8;
		3238
		3239	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3240	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3241	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3242	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3243	data => WF_AUTOCANCEL,
2491	after => 1,	3244	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3245	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3246	prio => 6,
2494	cb => Coro::unblock_sub {	3247	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3248	);
2496	or warn "ERROR: unable to write runtime file: $!";	3249	}
		3250
		3251	my $_log_backtrace;
		3252
		3253	sub _log_backtrace {
		3254	my ($msg, @addr) = @_;
		3255
		3256	$msg =~ s/\n//;
		3257
		3258	# limit the # of concurrent backtraces
		3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
2497	},	3286	}
2498	);	3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
2499		3291
2500	END { cf::emergency_save }	3292	END { cf::emergency_save }
2501		3293
2502	1	3294	1
2503		3295

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