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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.183 by root, Fri Jan 19 19:42:37 2007 UTC vs.
Revision 1.300 by root, Tue Jul 10 06:44:29 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		413
358	aio_fsync $fh	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 : $!";
		417	Storable::store_fd $_[0], $fh;
361	close $fh	418	close $fh;
362	or return;
363		419
364	aio_rename "$runtime~", $runtime	420	$buf
365	and return;	421	}
366		422
		423	sub fork_call(&@) {
		424	my ($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 $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
367	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		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 });
368	}	592	}
369		593
370	=back	594	=back
371		595
372	=cut	596	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
381		605
382	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>
383	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
384	crossfire+).	608	Crossfire TRT).
385		609
386	=over 4	610	=over 4
387		611
388	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
389		613
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
553		777
554	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		782
559	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	784	my $pkg = shift @arg;
561		785
562	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
592	}	816	}
593		817
594	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
595	} else {	819	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	821	}
598		822
599	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
600	}	824	}
601		825
…		…
603	if (ref $_[0]) {	827	if (ref $_[0]) {
604	_object_attach @_;	828	_object_attach @_;
605	} else {	829	} else {
606	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
607	}	831	}
		832	_recalc_want;
608	};	833	};
609		834
610	# all those should be optimised	835	# all those should be optimised
611	sub cf::attachable::detach {	836	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
616	reattach ($obj);	841	reattach ($obj);
617	} else {	842	} else {
618	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
619	}	844	}
		845	_recalc_want;
620	};	846	};
621		847
622	sub cf::attachable::attached {	848	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
624		850
…		…
747	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
748		974
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	979	close $fh;
754		980
755	if (@$objs) {	981	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	987	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
763	}	989	}
764	} else {	990	} else {
765	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
797	or return;	1023	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1025	}
800		1026
801	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1029	return ($data, $av);
804	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
805		1037
806	#############################################################################	1038	#############################################################################
807	# command handling &c	1039	# command handling &c
808		1040
809	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1055	}
824		1056
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1058
827	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.
828		1064
829	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
830	called.	1066	called.
831		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
832	=cut	1079	=cut
833		1080
834	sub register_extcmd {	1081	sub register_extcmd {
835	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
836		1083
837	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
838	}	1091	}
839		1092
840	cf::player->attach (	1093	cf::player->attach (
841	on_command => sub {	1094	on_command => sub {
842	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1104	cf::override;
852	},	1105	},
853	on_extcmd => sub {	1106	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
855		1108
856	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1110
858	if (ref $msg) {	1111	if (ref $msg) {
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
860	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
861	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
867		1120
868	cf::override;	1121	cf::override;
869	},	1122	},
870	);	1123	);
871		1124
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
907	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1130	next unless -r $path;
909	eval {	1131
910	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;
911	1	1189	}
912	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
913	}	1195	};
914	}	1196	}
915		1197
916	#############################################################################	1198	#############################################################################
917		1199
		1200	=back
		1201
918	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
919		1203
920	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
921		1205
922	=cut	1206	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
935		1219
936	=cut	1220	=cut
937		1221
938	sub playerdir($) {	1222	sub playerdir($) {
939	cf::localdir	1223	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1225	}
945		1226
946	sub path($) {	1227	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1229
949	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
950	}	1231	}
951		1232
952	sub find_active($) {	1233	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1248	my $login = $_[0];
968		1249
969	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
970		1251
971	$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
972	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
973	or return;	1261	or return;
974	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
975	}	1263	}
976	}	1264	}
…		…
1013		1301
1014	=cut	1302	=cut
1015		1303
1016	sub quit_character {	1304	sub quit_character {
1017	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1018		1308
1019	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1020	$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
1021		1311
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1343	}
1034		1344
1035	=item cf::player::list_logins	1345	=item cf::player::list_logins
1036		1346
1037	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
1038	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1039		1349
1040	=cut	1350	=cut
1041		1351
1042	sub list_logins {	1352	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1354	or return [];
1045		1355
1046	my @logins;	1356	my @logins;
1047		1357
1048	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1065	=cut	1375	=cut
1066		1376
1067	sub maps($) {	1377	sub maps($) {
1068	my ($pl) = @_;	1378	my ($pl) = @_;
1069		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
		1381
1070	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1071	or return;	1383	or return;
1072		1384
1073	my @paths;	1385	my @paths;
1074		1386
1075	for (@$files) {	1387	for (@$files) {
1076	utf8::decode $_;	1388	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1390	next unless /^$PATH_SEP/o;
1079		1391
1080	s/\.map$//;	1392	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1393	}
1083		1394
1084	\@paths	1395	\@paths
1085	}	1396	}
1086		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	warn $_;#d#
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1088		1450
1089	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1090		1452
1091	=cut	1453	=cut
1092		1454
1093	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1095		1457
1096	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1097		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1460	}
1100		1461
1101	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1102		1502
1103	=back	1503	=back
1104
1105		1504
1106	=head3 cf::map	1505	=head3 cf::map
1107		1506
1108	=over 4	1507	=over 4
1109		1508
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1538	)
1140	}	1539	}
1141		1540
		1541	=item cf::map->register ($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
1142	sub register {	1549	sub register {
1143	my (undef, $regex) = @_;	1550	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1551	my $pkg = caller;
1145		1552
1146	no strict;	1553	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1554	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1555
1149	$EXT_MAP{$pkg} = qr<$regex>;	1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1557	}
1151		1558
1152	# also paths starting with '/'	1559	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1561
1155	sub thawer_merge {	1562	sub thawer_merge {
1156	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1157		1564
1158	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1159	local $self->{path};	1566	local $self->{path};
1160	local $self->{load_path};	1567	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1568
1164	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1165	}	1570	}
1166		1571
1167	sub normalise {	1572	sub normalise {
1168	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1169		1578
1170	# map plan:	1579	# map plan:
1171	#	1580	#
1172	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1201		1610
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1612
1204	$path = normalise $path, $base;	1613	$path = normalise $path, $base;
1205		1614
1206	for my $pkg (keys %EXT_MAP) {	1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1617	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1618	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1211	return $self;	1620	return $self;
1212	}	1621	}
1213	}	1622	}
1214		1623
1215	Carp::carp "unable to resolve path '$path'.";	1624	Carp::carp "unable to resolve path '$path' (base '$base').";
1216	()	1625	()
1217	}	1626	}
1218		1627
1219	sub init {	1628	sub init {
1220	my ($self) = @_;	1629	my ($self) = @_;
…		…
1235		1644
1236	# the original (read-only) location	1645	# the original (read-only) location
1237	sub load_path {	1646	sub load_path {
1238	my ($self) = @_;	1647	my ($self) = @_;
1239		1648
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1241	}	1650	}
1242		1651
1243	# the temporary/swap location	1652	# the temporary/swap location
1244	sub save_path {	1653	sub save_path {
1245	my ($self) = @_;	1654	my ($self) = @_;
1246		1655
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1249	}	1658	}
1250		1659
1251	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1252	sub uniq_path {	1661	sub uniq_path {
1253	my ($self) = @_;	1662	my ($self) = @_;
1254		1663
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1257	}	1666	}
1258		1667
1259	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1260	# all maps in C++...	1669	# all maps in C++...
1261	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1263		1672
1264	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1266	}	1675	}
1267		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1268	sub unlink_save {	1685	sub unlink_save {
1269	my ($self) = @_;	1686	my ($self) = @_;
1270		1687
1271	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1692
1276	sub load_header_from($) {	1693	sub load_header_from($) {
1277	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1278		1695
1279	utf8::encode $path;	1696	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1281	or return;	1698	# or return;
1282		1699
1283	$self->_load_header ($path)	1700	$self->_load_header ($path)
1284	or return;	1701	or return;
1285		1702
1286	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
1287		1704
1288	1	1705	1
1289	}	1706	}
1290		1707
1291	sub load_orig {	1708	sub load_header_orig {
1292	my ($self) = @_;	1709	my ($self) = @_;
1293		1710
1294	$self->load_header_from ($self->load_path)	1711	$self->load_header_from ($self->load_path)
1295	}	1712	}
1296		1713
1297	sub load_temp {	1714	sub load_header_temp {
1298	my ($self) = @_;	1715	my ($self) = @_;
1299		1716
1300	$self->load_header_from ($self->save_path)	1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
1301	}	1737	}
1302		1738
1303	sub load_header {	1739	sub load_header {
1304	my ($self) = @_;	1740	my ($self) = @_;
1305		1741
1306	if ($self->load_temp) {	1742	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1743	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1744	} else {
1313	$self->load_orig	1745	$self->load_header_orig
1314	or return;	1746	or return;
1315		1747	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1748	}
		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
1321		1755
1322	1	1756	1
1323	}	1757	}
1324		1758
1325	sub find;	1759	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1339		1773
1340	$map->load_header	1774	$map->load_header
1341	or return;	1775	or return;
1342		1776
1343	if ($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
1344	$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1780	$map->reset;
1346	undef $guard;	1781	undef $guard;
1347	$map = find $path	1782	return find $path;
1348	or return;
1349	}	1783	}
1350		1784
1351	$cf::MAP{$path} = $map	1785	$cf::MAP{$path} = $map
1352	}	1786	}
1353	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1354		1791
1355	sub load {	1792	sub load {
1356	my ($self) = @_;	1793	my ($self) = @_;
1357		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1358	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1360		1801
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1803
1363	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1364		1805
1365	$self->alloc;	1806	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1807
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1809	Coro::cede;
1390	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1829	unless $self->difficulty;
1393	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1394	$self->activate;	1839	$self->activate;
1395	}	1840	}
1396		1841
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
1398	}	1846	}
1399		1847
1400	sub customise_for {	1848	sub customise_for {
1401	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1402		1850
1403	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1405		1856
1406	$self	1857	$self
1407	}	1858	}
1408		1859
1409	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1456		1907
1457	undef $MAP_PREFETCH{$path};	1908	undef $MAP_PREFETCH{$path};
1458	$MAP_PREFETCHER ||= cf::async {	1909	$MAP_PREFETCHER ||= cf::async {
1459	while (%MAP_PREFETCH) {	1910	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	1911	for my $path (keys %MAP_PREFETCH) {
1461	warn "prefetching $path...\n";#d#
1462	my $map = find $path	1912	my $map = find $path
1463	or next;	1913	or next;
1464	$map->load;	1914	$map->load;
1465		1915
1466	delete $MAP_PREFETCH{$path};	1916	delete $MAP_PREFETCH{$path};
1467	}	1917	}
1468	}	1918	}
1469	undef $MAP_PREFETCHER;	1919	undef $MAP_PREFETCHER;
1470	};	1920	};
		1921	$MAP_PREFETCHER->prio (6);
1471		1922
1472	()	1923	()
1473	}	1924	}
1474		1925
1475	sub save {	1926	sub save {
…		…
1520		1971
1521	sub reset_at {	1972	sub reset_at {
1522	my ($self) = @_;	1973	my ($self) = @_;
1523		1974
1524	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1527		1977
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		1980
…		…
1541	my ($self) = @_;	1991	my ($self) = @_;
1542		1992
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		1994
1545	return if $self->players;	1995	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		1996
1548	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1549		2008
1550	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1551		2010
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	2011	$self->clear;
1554		2012
1555	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1556		2014
1557	$self->unlink_save;	2015	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1577		2035
1578	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1579	}	2037	}
1580		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1581	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1582		2076
1583	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2078	instantiated unique items. May block.
1585		2079
1586	=cut	2080	=cut
1587		2081
1588	sub unique_maps() {	2082	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1590	or return;	2084	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2085	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2086	/\.map$/
1600	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2090	]
1602
1603	\@paths
1604	}	2091	}
1605		2092
1606	package cf;	2093	package cf;
1607		2094
1608	=back	2095	=back
…		…
1654		2141
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2143
1657	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1659	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1662	}	2163	}
1663	}	2164	}
1664		2165
1665	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1666		2167
…		…
1699	=cut	2200	=cut
1700		2201
1701	sub link_map {	2202	sub link_map {
1702	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2206	$LINK_MAP->load;
1706	}	2207	}
1707		2208
1708	$LINK_MAP	2209	$LINK_MAP
1709	}	2210	}
…		…
1714	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1715		2216
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2218
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1720		2221
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2223	}
1723		2224
1724	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1726		2229
1727	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1728		2231
1729	unless ($map) {	2232	unless ($map) {
1730	# restore original map position	2233	# restore original map position
…		…
1748	$map->load;	2251	$map->load;
1749	$map->load_diag;	2252	$map->load_diag;
1750		2253
1751	return unless $self->contr->active;	2254	return unless $self->contr->active;
1752	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1754	}	2259	}
1755		2260
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1790	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1791		2271
1792	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2277
1795	$self->enter_link;	2278	$self->enter_link;
1796		2279
1797	(async {	2280	(async {
		2281	my $map = eval {
1798	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1800		2286	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1805		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1807	})->prio (1);	2303	})->prio (1);
1808	}	2304	}
1809		2305
1810	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1811		2307
…		…
1840	# that depends on the exit object	2336	# that depends on the exit object
1841		2337
1842	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1843		2339
1844	if ($exit->map) {	2340	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1849	}	2345	}
1850		2346
1851	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1852		2348
1853	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1854	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1856		2352
1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1859	undef $fh;	2355	undef $fh;
1860	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1867	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1868	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1869		2365
1870	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1871		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1872	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1873		2384
1874	(async {	2385	(async {
1875	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1876	unless (eval {	2387	unless (eval {
1877	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1878	if $exit->slaying eq "/!";
1879
1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1882		2389
1883	1;	2390	1;
1884	}) {	2391	}) {
1885	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1886	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1887	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1888	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1889		2396
1890	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1891	$self->leave_link;	2398	$self->leave_link;
1892	}	2399	}
1893	})->prio (1);	2400	})->prio (1);
…		…
1906		2413
1907	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1908	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1909		2416
1910	utf8::encode $text;	2417	utf8::encode $text;
1911	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912	}	2419	}
1913		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1914		2473
1915	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1916		2475
1917	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920		2479
1921	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1922	reliable at some point in the future.	2481	become reliable at some point in the future.
1923		2482
1924	=cut	2483	=cut
1925		2484
1926	sub cf::client::query {	2485	sub cf::client::query {
1927	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1935	utf8::encode $text;	2494	utf8::encode $text;
1936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937		2496
1938	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1939	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1940	}	2501	}
1941		2502
1942	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1943	on_reply => sub {	2509	on_reply => sub {
1944	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1945		2511
1946	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1947	# get handled first	2513	# get handled first
1948	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1949	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1950		2516
1951	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952		2519
1953	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1954		2521
1955	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1956	if (@$queue) {	2523	if (@$queue) {
…		…
1958	} else {	2525	} else {
1959	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960	}	2527	}
1961	}	2528	}
1962	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1963	);	2548	);
1964		2549
1965	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1966		2551
1967	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2014		2599
2015	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2016		2601
2017	=pod	2602	=pod
2018		2603
2019	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2020		2605
2021	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2022	cf::object::player player	2610	cf::object::player
2023	cf::player peaceful	2611	player
2024	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2025		2618
2026	=cut	2619	=cut
2027		2620
2028	for (	2621	for (
2029	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2030	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2031	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2032	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2033	) {	2627	) {
2034	no strict 'refs';	2628	no strict 'refs';
…		…
2105	=back	2699	=back
2106		2700
2107	=cut	2701	=cut
2108		2702
2109	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2110		2705
2111	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2112		2708
2113	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2114	currently store anything that can be serialised using Storable, which
2115	excludes objects.
2116		2710
2117	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2118	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2119		2714
2120	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2121		2716
2122	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		2719
2124	Return a hashref for use by the extension C<$family>, which can be
2125	modified. After modifications, you have to call C<cf::db_dirty> or
2126	C<cf::db_sync>.
2127
2128	=item $value = cf::db_get $family => $key
2129
2130	Returns a single value from the database
2131
2132	=item cf::db_put $family => $hashref
2133
2134	Stores the given family hashref into the database. Updates are delayed, if
2135	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_put $family => $key => $value
2138
2139	Stores the given C<$value> in the family hash. Updates are delayed, if you
2140	want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142	=item cf::db_dirty
2143
2144	Marks the database as dirty, to be updated at a later time.
2145
2146	=item cf::db_sync
2147
2148	Immediately write the database to disk I<if it is dirty>.
2149
2150	=cut
2151
2152	our $DB;
2153
2154	{
2155	my $path = cf::localdir . "/database.pst";
2156
2157	sub db_load() {
2158	$DB = stat $path ? Storable::retrieve $path : { };
2159	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2160		2722
2161	my $pid;	2723	while (my ($face, $info) = each %$faces) {
2162		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	sub db_save() {	2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2164	waitpid $pid, 0 if $pid;	2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2165	if (0 == ($pid = fork)) {	2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2166	$DB->{_meta}{version} = 1;	2728	Coro::cede;
2167	Storable::nstore $DB, "$path~";
2168	rename "$path~", $path;
2169	cf::_exit 0 if defined $pid;
2170	}
2171	}
2172
2173	my $dirty;
2174
2175	sub db_sync() {
2176	db_save if $dirty;
2177	undef $dirty;
2178	}
2179
2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181	db_sync;
2182	});
2183
2184	sub db_dirty() {
2185	$dirty = 1;
2186	$idle->start;
2187	}
2188
2189	sub db_get($;$) {
2190	@_ >= 2
2191	? $DB->{$_[0]}{$_[1]}
2192	: ($DB->{$_[0]} ||= { })
2193	}
2194
2195	sub db_put($$;$) {
2196	if (@_ >= 3) {
2197	$DB->{$_[0]}{$_[1]} = $_[2];
2198	} else {
2199	$DB->{$_[0]} = $_[1];
2200	}
2201	db_dirty;
2202	}
2203
2204	cf::global->attach (
2205	prio => 10000,
2206	on_cleanup => sub {
2207	db_sync;
2208	},	2729	}
2209	);
2210	}
2211		2730
2212	#############################################################################	2731	while (my ($face, $info) = each %$faces) {
2213	# the server's main()	2732	next unless $info->{smooth};
		2733	my $idx = cf::face::find $face
		2734	or next;
		2735	if (my $smooth = cf::face::find $info->{smooth}) {
		2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2737	} else {
		2738	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2739	}
		2740	Coro::cede;
		2741	}
		2742	}
		2743
		2744	{
		2745	my $anims = $facedata->{animinfo};
		2746
		2747	while (my ($anim, $info) = each %$anims) {
		2748	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2749	Coro::cede;
		2750	}
		2751
		2752	cf::anim::invalidate_all; # d'oh
		2753	}
		2754
		2755	1
		2756	}
		2757
		2758	sub reload_regions {
		2759	load_resource_file "$MAPDIR/regions"
		2760	or die "unable to load regions file\n";
		2761	}
		2762
		2763	sub reload_facedata {
		2764	load_facedata "$DATADIR/facedata"
		2765	or die "unable to load facedata\n";
		2766	}
		2767
		2768	sub reload_archetypes {
		2769	load_resource_file "$DATADIR/archetypes"
		2770	or die "unable to load archetypes\n";
		2771	#d# NEED to laod twice to resolve forward references
		2772	# this really needs to be done in an extra post-pass
		2773	# (which needs to be synchronous, so solve it differently)
		2774	load_resource_file "$DATADIR/archetypes"
		2775	or die "unable to load archetypes\n";
		2776	}
		2777
		2778	sub reload_treasures {
		2779	load_resource_file "$DATADIR/treasures"
		2780	or die "unable to load treasurelists\n";
		2781	}
		2782
		2783	sub reload_resources {
		2784	warn "reloading resource files...\n";
		2785
		2786	reload_regions;
		2787	reload_facedata;
		2788	#reload_archetypes;#d#
		2789	reload_archetypes;
		2790	reload_treasures;
		2791
		2792	warn "finished reloading resource files\n";
		2793	}
		2794
		2795	sub init {
		2796	reload_resources;
		2797	}
2214		2798
2215	sub cfg_load {	2799	sub cfg_load {
2216	open my $fh, "<:utf8", cf::confdir . "/config"	2800	open my $fh, "<:utf8", "$CONFDIR/config"
2217	or return;	2801	or return;
2218		2802
2219	local $/;	2803	local $/;
2220	*CFG = YAML::Syck::Load <$fh>;	2804	*CFG = YAML::Syck::Load <$fh>;
2221		2805
…		…
2241	Event::one_event;	2825	Event::one_event;
2242	})->prio (Coro::PRIO_MAX);	2826	})->prio (Coro::PRIO_MAX);
2243	};	2827	};
2244		2828
2245	cfg_load;	2829	cfg_load;
2246	db_load;	2830	db_init;
2247	load_extensions;	2831	load_extensions;
2248		2832
2249	$TICK_WATCHER->start;	2833	$TICK_WATCHER->start;
2250	Event::loop;	2834	Event::loop;
2251	}	2835	}
…		…
2255		2839
2256	# install some emergency cleanup handlers	2840	# install some emergency cleanup handlers
2257	BEGIN {	2841	BEGIN {
2258	for my $signal (qw(INT HUP TERM)) {	2842	for my $signal (qw(INT HUP TERM)) {
2259	Event->signal (	2843	Event->signal (
		2844	reentrant => 0,
2260	data => WF_AUTOCANCEL,	2845	data => WF_AUTOCANCEL,
2261	signal => $signal,	2846	signal => $signal,
		2847	prio => 0,
2262	cb => sub {	2848	cb => sub {
2263	cf::cleanup "SIG$signal";	2849	cf::cleanup "SIG$signal";
2264	},	2850	},
2265	);	2851	);
2266	}	2852	}
		2853	}
		2854
		2855	sub write_runtime {
		2856	my $runtime = "$LOCALDIR/runtime";
		2857
		2858	# first touch the runtime file to show we are still running:
		2859	# the fsync below can take a very very long time.
		2860
		2861	IO::AIO::aio_utime $runtime, undef, undef;
		2862
		2863	my $guard = cf::lock_acquire "write_runtime";
		2864
		2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2866	or return;
		2867
		2868	my $value = $cf::RUNTIME + 90 + 10;
		2869	# 10 is the runtime save interval, for a monotonic clock
		2870	# 60 allows for the watchdog to kill the server.
		2871
		2872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2873	and return;
		2874
		2875	# always fsync - this file is important
		2876	aio_fsync $fh
		2877	and return;
		2878
		2879	# touch it again to show we are up-to-date
		2880	aio_utime $fh, undef, undef;
		2881
		2882	close $fh
		2883	or return;
		2884
		2885	aio_rename "$runtime~", $runtime
		2886	and return;
		2887
		2888	warn "runtime file written.\n";
		2889
		2890	1
2267	}	2891	}
2268		2892
2269	sub emergency_save() {	2893	sub emergency_save() {
2270	my $freeze_guard = cf::freeze_mainloop;	2894	my $freeze_guard = cf::freeze_mainloop;
2271		2895
…		…
2288	my $map = $cf::MAP{$path} or next;	2912	my $map = $cf::MAP{$path} or next;
2289	$map->valid or next;	2913	$map->valid or next;
2290	$map->save;	2914	$map->save;
2291	}	2915	}
2292	warn "end emergency map save\n";	2916	warn "end emergency map save\n";
		2917
		2918	warn "begin emergency database checkpoint\n";
		2919	BDB::db_env_txn_checkpoint $DB_ENV;
		2920	warn "end emergency database checkpoint\n";
2293	};	2921	};
2294		2922
2295	warn "leave emergency perl save\n";	2923	warn "leave emergency perl save\n";
2296	}	2924	}
2297		2925
		2926	sub post_cleanup {
		2927	my ($make_core) = @_;
		2928
		2929	warn Carp::longmess "post_cleanup backtrace"
		2930	if $make_core;
		2931	}
		2932
2298	sub reload() {	2933	sub do_reload_perl() {
2299	# can/must only be called in main	2934	# can/must only be called in main
2300	if ($Coro::current != $Coro::main) {	2935	if ($Coro::current != $Coro::main) {
2301	warn "can only reload from main coroutine";	2936	warn "can only reload from main coroutine";
2302	return;	2937	return;
2303	}	2938	}
2304		2939
2305	warn "reloading...";	2940	warn "reloading...";
2306		2941
2307	warn "cancelling server ticker";	2942	warn "entering sync_job";
2308	$TICK_WATCHER->cancel;
2309		2943
		2944	cf::sync_job {
		2945	cf::write_runtime; # external watchdog should not bark
2310	cf::emergency_save;	2946	cf::emergency_save;
		2947	cf::write_runtime; # external watchdog should not bark
2311		2948
2312	eval {	2949	warn "syncing database to disk";
		2950	BDB::db_env_txn_checkpoint $DB_ENV;
		2951
2313	# if anything goes wrong in here, we should simply crash as we already saved	2952	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "syncing database to disk";
2316	cf::db_sync;
2317		2953
2318	warn "cancelling all WF_AUTOCANCEL watchers";	2954	warn "cancelling all WF_AUTOCANCEL watchers";
2319	for (Event::all_watchers) {	2955	for (Event::all_watchers) {
2320	$_->cancel if $_->data & WF_AUTOCANCEL;	2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2321	}	2957	}
2322		2958
2323	warn "flushing outstanding aio requests";	2959	warn "flushing outstanding aio requests";
2324	for (;;) {	2960	for (;;) {
		2961	BDB::flush;
2325	IO::AIO::flush;	2962	IO::AIO::flush;
2326	Coro::cede;	2963	Coro::cede;
2327	last unless IO::AIO::nreqs;	2964	last unless IO::AIO::nreqs || BDB::nreqs;
2328	warn "iterate...";	2965	warn "iterate...";
2329	}	2966	}
		2967
		2968	++$RELOAD;
2330		2969
2331	warn "cancelling all extension coros";	2970	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2971	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2972	%EXT_CORO = ();
2334		2973
2335	warn "removing commands";	2974	warn "removing commands";
2336	%COMMAND = ();	2975	%COMMAND = ();
2337		2976
2338	warn "removing ext commands";	2977	warn "removing ext/exti commands";
2339	%EXTCMD = ();	2978	%EXTCMD = ();
		2979	%EXTICMD = ();
2340		2980
2341	warn "unloading/nuking all extensions";	2981	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2982	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2983	warn "... unloading $pkg";
2344		2984
…		…
2374	Symbol::delete_package "safe::$_"	3014	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3016
2377	warn "unloading cf.pm \"a bit\"";	3017	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3018	delete $INC{"cf.pm"};
		3019	delete $INC{"cf/pod.pm"};
2379		3020
2380	# don't, removes xs symbols, too,	3021	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3022	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3023	#Symbol::delete_package __PACKAGE__;
2383		3024
…		…
2387	require cf;	3028	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3030
2390	warn "loading config and database again";	3031	warn "loading config and database again";
2391	cf::cfg_load;	3032	cf::cfg_load;
2392	cf::db_load;
2393		3033
2394	warn "loading extensions";	3034	warn "loading extensions";
2395	cf::load_extensions;	3035	cf::load_extensions;
2396		3036
2397	warn "reattaching attachments to objects/players";	3037	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3038	_global_reattach; # objects, sockets
2399	warn "reattaching attachments to maps";	3039	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3040	reattach $_ for values %MAP;
		3041	warn "reattaching attachments to players";
		3042	reattach $_ for values %PLAYER;
2401		3043
2402	warn "restarting server ticker";	3044	warn "leaving sync_job";
2403		3045
2404	$TICK_WATCHER->start;	3046	1
2405	};	3047	} or do {
2406
2407	if ($@) {
2408	warn $@;	3048	warn $@;
2409	warn "error while reloading, exiting.";	3049	warn "error while reloading, exiting.";
2410	exit 1;	3050	exit 1;
2411	}	3051	};
2412		3052
2413	warn "reloaded";	3053	warn "reloaded";
2414	};	3054	};
2415		3055
2416	our $RELOAD_WATCHER; # used only during reload	3056	our $RELOAD_WATCHER; # used only during reload
2417		3057
		3058	sub reload_perl() {
		3059	# doing reload synchronously and two reloads happen back-to-back,
		3060	# coro crashes during coro_state_free->destroy here.
		3061
		3062	$RELOAD_WATCHER ||= Event->timer (
		3063	reentrant => 0,
		3064	after => 0,
		3065	data => WF_AUTOCANCEL,
		3066	cb => sub {
		3067	do_reload_perl;
		3068	undef $RELOAD_WATCHER;
		3069	},
		3070	);
		3071	}
		3072
2418	register_command "reload" => sub {	3073	register_command "reload" => sub {
2419	my ($who, $arg) = @_;	3074	my ($who, $arg) = @_;
2420		3075
2421	if ($who->flag (FLAG_WIZ)) {	3076	if ($who->flag (FLAG_WIZ)) {
2422	$who->message ("reloading server.");	3077	$who->message ("reloading server.");
2423		3078	async { reload_perl };
2424	# doing reload synchronously and two reloads happen back-to-back,
2425	# coro crashes during coro_state_free->destroy here.
2426
2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428	reload;
2429	undef $RELOAD_WATCHER;
2430	});
2431	}	3079	}
2432	};	3080	};
2433		3081
2434	unshift @INC, $LIBDIR;	3082	unshift @INC, $LIBDIR;
2435		3083
2436	my $bug_warning = 0;	3084	my $bug_warning = 0;
2437		3085
		3086	our @WAIT_FOR_TICK;
		3087	our @WAIT_FOR_TICK_BEGIN;
		3088
		3089	sub wait_for_tick {
		3090	return unless $TICK_WATCHER->is_active;
		3091	return if $Coro::current == $Coro::main;
		3092
		3093	my $signal = new Coro::Signal;
		3094	push @WAIT_FOR_TICK, $signal;
		3095	$signal->wait;
		3096	}
		3097
		3098	sub wait_for_tick_begin {
		3099	return unless $TICK_WATCHER->is_active;
		3100	return if $Coro::current == $Coro::main;
		3101
		3102	my $signal = new Coro::Signal;
		3103	push @WAIT_FOR_TICK_BEGIN, $signal;
		3104	$signal->wait;
		3105	}
		3106
		3107	my $min = 1e6;#d#
		3108	my $avg = 10;
2438	$TICK_WATCHER = Event->timer (	3109	$TICK_WATCHER = Event->timer (
2439	reentrant => 0,	3110	reentrant => 0,
2440	parked => 1,	3111	parked => 1,
2441	prio => 0,	3112	prio => 0,
2442	at => $NEXT_TICK || $TICK,	3113	at => $NEXT_TICK || $TICK,
…		…
2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447	unless ++$bug_warning > 10;	3118	unless ++$bug_warning > 10;
2448	return;	3119	return;
2449	}	3120	}
2450		3121
2451	$NOW = Event::time;	3122	$NOW = $tick_start = Event::time;
2452		3123
2453	cf::server_tick; # one server iteration	3124	cf::server_tick; # one server iteration
		3125
		3126	0 && sync_job {#d#
		3127	for(1..10) {
		3128	my $t = Event::time;
		3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3130	or die;
		3131
		3132	$map->width (50);
		3133	$map->height (50);
		3134	$map->alloc;
		3135	$map->_load_objects ("/tmp/x.map", 1);
		3136	my $t = Event::time - $t;
		3137
		3138	#next unless $t < 0.0013;#d#
		3139	if ($t < $min) {
		3140	$min = $t;
		3141	}
		3142	$avg = $avg * 0.99 + $t * 0.01;
		3143	}
		3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3145	exit 0;
		3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3147	};
		3148
2454	$RUNTIME += $TICK;	3149	$RUNTIME += $TICK;
2455	$NEXT_TICK += $TICK;	3150	$NEXT_TICK += $TICK;
2456		3151
2457	$WAIT_FOR_TICK->broadcast;	3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3154	Coro::async_pool {
		3155	write_runtime
		3156	or warn "ERROR: unable to write runtime file: $!";
		3157	};
		3158	}
		3159
		3160	# my $AFTER = Event::time;
		3161	# warn $AFTER - $NOW;#d#
		3162
		3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3164	$sig->send;
		3165	}
		3166	while (my $sig = shift @WAIT_FOR_TICK) {
		3167	$sig->send;
		3168	}
		3169
		3170	$NOW = Event::time;
2459		3171
2460	# if we are delayed by four ticks or more, skip them all	3172	# if we are delayed by four ticks or more, skip them all
2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2462		3174
2463	$TICK_WATCHER->at ($NEXT_TICK);	3175	$TICK_WATCHER->at ($NEXT_TICK);
2464	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
		3177
		3178	$LOAD = ($NOW - $tick_start) / $TICK;
		3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3180
		3181	_post_tick;
		3182
		3183
2465	},	3184	},
2466	);	3185	);
2467		3186
		3187	{
		3188	BDB::max_poll_time $TICK * 0.1;
		3189	$BDB_POLL_WATCHER = Event->io (
		3190	reentrant => 0,
		3191	fd => BDB::poll_fileno,
		3192	poll => 'r',
		3193	prio => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => \&BDB::poll_cb,
		3196	);
		3197	BDB::min_parallel 8;
		3198
		3199	BDB::set_sync_prepare {
		3200	my $status;
		3201	my $current = $Coro::current;
		3202	(
		3203	sub {
		3204	$status = $!;
		3205	$current->ready; undef $current;
		3206	},
		3207	sub {
		3208	Coro::schedule while defined $current;
		3209	$! = $status;
		3210	},
		3211	)
		3212	};
		3213
		3214	unless ($DB_ENV) {
		3215	$DB_ENV = BDB::db_env_create;
		3216
		3217	cf::sync_job {
		3218	eval {
		3219	BDB::db_env_open
		3220	$DB_ENV,
		3221	$BDBDIR,
		3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3224	0666;
		3225
		3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3227
		3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3229	$DB_ENV->set_lk_detect;
		3230	};
		3231
		3232	cf::cleanup "db_env_open(db): $@" if $@;
		3233	};
		3234	}
		3235	}
		3236
		3237	{
		3238	IO::AIO::min_parallel 8;
		3239
		3240	undef $Coro::AIO::WATCHER;
2468	IO::AIO::max_poll_time $TICK * 0.2;	3241	IO::AIO::max_poll_time $TICK * 0.1;
2469
2470	$AIO_POLL_WATCHER = Event->io (	3242	$AIO_POLL_WATCHER = Event->io (
2471	fd => IO::AIO::poll_fileno,	3243	reentrant => 0,
2472	poll => 'r',
2473	prio => 5,
2474	data => WF_AUTOCANCEL,
2475	cb => \&IO::AIO::poll_cb,
2476	);
2477
2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2479	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2480	after => 1,	3245	fd => IO::AIO::poll_fileno,
2481	interval => 10,	3246	poll => 'r',
2482	cb => Coro::unblock_sub {	3247	prio => 6,
2483	write_runtime	3248	cb => \&IO::AIO::poll_cb,
2484	or warn "ERROR: unable to write runtime file: $!";	3249	);
		3250	}
		3251
		3252	my $_log_backtrace;
		3253
		3254	sub _log_backtrace {
		3255	my ($msg, @addr) = @_;
		3256
		3257	$msg =~ s/\n//;
		3258
		3259	# limit the # of concurrent backtraces
		3260	if ($_log_backtrace < 2) {
		3261	++$_log_backtrace;
		3262	async {
		3263	my @bt = fork_call {
		3264	@addr = map { sprintf "%x", $_ } @addr;
		3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3267	or die "addr2line: $!";
		3268
		3269	my @funcs;
		3270	my @res = <$fh>;
		3271	chomp for @res;
		3272	while (@res) {
		3273	my ($func, $line) = splice @res, 0, 2, ();
		3274	push @funcs, "[$func] $line";
		3275	}
		3276
		3277	@funcs
		3278	};
		3279
		3280	LOG llevInfo, "[ABT] $msg\n";
		3281	LOG llevInfo, "[ABT] $_\n" for @bt;
		3282	--$_log_backtrace;
		3283	};
		3284	} else {
		3285	LOG llevInfo, "[ABT] $msg\n";
		3286	LOG llevInfo, "[ABT] [suppressed]\n";
2485	},	3287	}
2486	);	3288	}
		3289
		3290	# load additional modules
		3291	use cf::pod;
2487		3292
2488	END { cf::emergency_save }	3293	END { cf::emergency_save }
2489		3294
2490	1	3295	1
2491		3296

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