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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.296 by root, Wed Jul 4 07:09:06 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
26	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
30		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		42
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
39		45
40	$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
41		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
42	our %COMMAND = ();	50	our %COMMAND = ();
43	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
44		52
45	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
49		58
50	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
51	our @EVENT;	60	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		61
54	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(!)
55	our $TICK_WATCHER;	75	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	78	our $NEXT_TICK;
59	our $NOW;	79	our $NOW;
…		…
68	our $RUNTIME;	88	our $RUNTIME;
69		89
70	our %PLAYER; # all users	90	our %PLAYER; # all users
71	our %MAP; # all maps	91	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		93
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		100
82	binmode STDOUT;	101	binmode STDOUT;
83	binmode STDERR;	102	binmode STDERR;
84		103
85	# read virtual server time, if available	104	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
90	}	109	}
91		110
92	mkdir cf::localdir;	111	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		113
99	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
100		115
101	sub cf::map::normalise;	116	sub cf::map::normalise;
102		117
…		…
113	=item $cf::RUNTIME	128	=item $cf::RUNTIME
114		129
115	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
116	every server tick.	131	every server tick.
117		132
118	=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
119		136
120	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		141
123	=item $cf::NOW	142	=item $cf::NOW
124		143
125	The time of the last (current) server tick.	144	The time of the last (current) server tick.
126		145
127	=item $cf::TICK	146	=item $cf::TICK
128		147
129	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.
130		159
131	=item %cf::CFG	160	=item %cf::CFG
132		161
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	163	from wherever your confdir points to.
135		164
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		166
138	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
139	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
140	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.
141	window of cpu time available, or simply to synchronise to the server tick.
142		170
143	=back	171	=back
144		172
145	=cut	173	=cut
146		174
147	BEGIN {	175	BEGIN {
148	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	177	my $msg = join "", @_;
150	utf8::encode $msg;
151		178
152	$msg .= "\n"	179	$msg .= "\n"
153	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
154		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
155	LOG llevError, $msg;	185	LOG llevError, $msg;
156	};	186	};
157	}	187	}
158		188
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		196
166	# 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
167	# within the Safe compartment.	198	# within the Safe compartment.
168	for my $pkg (qw(	199	for my $pkg (qw(
169	cf::global cf::attachable	200	cf::global cf::attachable
…		…
177	}	208	}
178		209
179	$Event::DIED = sub {	210	$Event::DIED = sub {
180	warn "error in event callback: @_";	211	warn "error in event callback: @_";
181	};	212	};
		213
		214	#############################################################################
182		215
183	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
184		217
185	=over 4	218	=over 4
186		219
…		…
205	$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;
206	$d	239	$d
207	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
208	}	241	}
209		242
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
213		244
214	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
215		246
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
224		248
225	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
226		250
227	=cut	251	=cut
228		252
229	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
231	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
233		257
234	=item cf::lock_wait $string	258	=item cf::lock_wait $string
235		259
236	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
237		261
…		…
243	returned.	267	returned.
244		268
245	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
246	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
247		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
248	=cut	276	=cut
249		277
250	our %LOCK;	278	our %LOCK;
251		279
252	sub lock_wait($) {	280	sub lock_wait($) {
…		…
269		297
270	Coro::guard {	298	Coro::guard {
271	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
273	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
274	}	308	}
275		309
276	sub freeze_mainloop {	310	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
278		312
…		…
293		327
294	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
295		329
296	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
297		331
298	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
301		336
302	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
305	fast or be very important.	340	fast or be very important.
…		…
308		343
309	sub sync_job(&) {	344	sub sync_job(&) {
310	my ($job) = @_;	345	my ($job) = @_;
311		346
312	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
313	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
315		352
316	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
328		365
329	while ($busy) {	366	while ($busy) {
330	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
331	}	368	}
332		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
333	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
334	} else {	378	} else {
335	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
336		380
337	$job->()	381	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
357		401
358	$coro	402	$coro
359	}	403	}
360		404
361	sub write_runtime {	405	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		406
364	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		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.
365		411
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
367	or return;
368		413
369	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		416
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
374	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
375		421
376	# always fsync - this file is important	422	if (my $pid = fork) {
377	aio_fsync $fh
378	and return;
379
380	close $fh	423	close $fh2;
381	or return;
382		424
383	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
384	and return;	426	$res = Coro::Storable::thaw $res;
385		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
386	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	574	}
388		575
389	=back	576	=back
390		577
391	=cut	578	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
400		587
401	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	590	Crossfire TRT).
404		591
405	=over 4	592	=over 4
406		593
407	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
408		595
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
572		759
573	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		764
578	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	766	my $pkg = shift @arg;
580		767
581	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
611	}	798	}
612		799
613	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
614	} else {	801	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	803	}
617		804
618	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
619	}	806	}
620		807
…		…
622	if (ref $_[0]) {	809	if (ref $_[0]) {
623	_object_attach @_;	810	_object_attach @_;
624	} else {	811	} else {
625	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
626	}	813	}
		814	_recalc_want;
627	};	815	};
628		816
629	# all those should be optimised	817	# all those should be optimised
630	sub cf::attachable::detach {	818	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
635	reattach ($obj);	823	reattach ($obj);
636	} else {	824	} else {
637	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
638	}	826	}
		827	_recalc_want;
639	};	828	};
640		829
641	sub cf::attachable::attached {	830	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
643		832
…		…
816	or return;	1005	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1007	}
819		1008
820	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1011	return ($data, $av);
823	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
824		1019
825	#############################################################################	1020	#############################################################################
826	# command handling &c	1021	# command handling &c
827		1022
828	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1037	}
843		1038
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1040
846	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
847		1046
848	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
849	called.	1048	called.
850		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
851	=cut	1061	=cut
852		1062
853	sub register_extcmd {	1063	sub register_extcmd {
854	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
855		1065
856	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
857	}	1073	}
858		1074
859	cf::player->attach (	1075	cf::player->attach (
860	on_command => sub {	1076	on_command => sub {
861	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1086	cf::override;
871	},	1087	},
872	on_extcmd => sub {	1088	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
874		1090
875	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1092
877	if (ref $msg) {	1093	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1102
887	cf::override;	1103	cf::override;
888	},	1104	},
889	);	1105	);
890		1106
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
926	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1112	next unless -r $path;
928	eval {	1113
929	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
930	1	1171	}
931	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
932	}	1177	};
933	}	1178	}
934		1179
935	#############################################################################	1180	#############################################################################
936		1181
		1182	=back
		1183
937	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
938		1185
939	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
940		1187
941	=cut	1188	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
954		1201
955	=cut	1202	=cut
956		1203
957	sub playerdir($) {	1204	sub playerdir($) {
958	cf::localdir	1205	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1207	}
964		1208
965	sub path($) {	1209	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1211
968	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
969	}	1213	}
970		1214
971	sub find_active($) {	1215	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1230	my $login = $_[0];
987		1231
988	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
989		1233
990	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
991	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
992	or return;	1243	or return;
993	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
994	}	1245	}
995	}	1246	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1080		1331
1081	=cut	1332	=cut
1082		1333
1083	sub list_logins {	1334	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1336	or return [];
1086		1337
1087	my @logins;	1338	my @logins;
1088		1339
1089	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1124	}	1375	}
1125		1376
1126	\@paths	1377	\@paths
1127	}	1378	}
1128		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1130		1431
1131	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1132		1433
1133	=cut	1434	=cut
1134		1435
1135	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1137		1438
1138	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1139		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1441	}
1142		1442
1143	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1144		1483
1145	=back	1484	=back
1146
1147		1485
1148	=head3 cf::map	1486	=head3 cf::map
1149		1487
1150	=over 4	1488	=over 4
1151		1489
…		…
1206	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1207		1545
1208	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1209	local $self->{path};	1547	local $self->{path};
1210	local $self->{load_path};	1548	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1549
1214	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1215	}	1551	}
1216		1552
1217	sub normalise {	1553	sub normalise {
…		…
1289		1625
1290	# the original (read-only) location	1626	# the original (read-only) location
1291	sub load_path {	1627	sub load_path {
1292	my ($self) = @_;	1628	my ($self) = @_;
1293		1629
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1295	}	1631	}
1296		1632
1297	# the temporary/swap location	1633	# the temporary/swap location
1298	sub save_path {	1634	sub save_path {
1299	my ($self) = @_;	1635	my ($self) = @_;
1300		1636
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1303	}	1639	}
1304		1640
1305	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1306	sub uniq_path {	1642	sub uniq_path {
1307	my ($self) = @_;	1643	my ($self) = @_;
1308		1644
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1311	}	1647	}
1312		1648
1313	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1314	# all maps in C++...	1650	# all maps in C++...
1315	sub change_all_map_light {	1651	sub change_all_map_light {
1316	my ($change) = @_;	1652	my ($change) = @_;
1317		1653
1318	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
		1656	}
		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
1320	}	1664	}
1321		1665
1322	sub unlink_save {	1666	sub unlink_save {
1323	my ($self) = @_;	1667	my ($self) = @_;
1324		1668
…		…
1382	$self->load_header_orig	1726	$self->load_header_orig
1383	or return;	1727	or return;
1384	$self->prepare_orig;	1728	$self->prepare_orig;
1385	}	1729	}
1386		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
		1734	$self->default_region (cf::region::find_by_path $self->{path})
		1735	unless $self->default_region;
		1736
1387	1	1737	1
1388	}	1738	}
1389		1739
1390	sub find;	1740	sub find;
1391	sub find {	1741	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1404		1754
1405	$map->load_header	1755	$map->load_header
1406	or return;	1756	or return;
1407		1757
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1761	$map->reset;
1412	undef $guard;	1762	undef $guard;
1413	return find $path;	1763	return find $path;
…		…
1424	my ($self) = @_;	1774	my ($self) = @_;
1425		1775
1426	local $self->{deny_reset} = 1; # loading can take a long time	1776	local $self->{deny_reset} = 1; # loading can take a long time
1427		1777
1428	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1430		1782
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1784
1433	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1434		1786
1435	$self->alloc;	1787	$self->alloc;
1436		1788
1437	$self->pre_load;	1789	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1790	Coro::cede;
1463	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1810	unless $self->difficulty;
1466	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1467	$self->activate;	1820	$self->activate;
		1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1824	}
1469		1825
1470	$self->post_load;	1826	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1827	}
1474		1828
1475	sub customise_for {	1829	sub customise_for {
1476	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1477		1831
1478	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1480		1837
1481	$self	1838	$self
1482	}	1839	}
1483		1840
1484	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1595		1952
1596	sub reset_at {	1953	sub reset_at {
1597	my ($self) = @_;	1954	my ($self) = @_;
1598		1955
1599	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1602		1958
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1961
…		…
1616	my ($self) = @_;	1972	my ($self) = @_;
1617		1973
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1975
1620	return if $self->players;	1976	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1977
1623	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
1624		1979
1625	$self->in_memory (cf::MAP_SWAPPED);	1980	$self->in_memory (cf::MAP_SWAPPED);
1626		1981
1627	# need to save uniques path	1982	# need to save uniques path
1628	unless ($self->{deny_save}) {	1983	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1661		2016
1662	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1663	}	2018	}
1664		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1665	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1666		2057
1667	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2059	instantiated unique items. May block.
1669		2060
1670	=cut	2061	=cut
1671		2062
1672	sub unique_maps() {	2063	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1674	or return;	2065	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2066	utf8::decode $_;
1680	next if /\.pst$/;	2067	/\.map$/
1681	next unless /^$PATH_SEP/o;	2068	? normalise $_
1682		2069	: ()
1683	push @paths, cf::map::normalise $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2071	]
1685
1686	\@paths
1687	}	2072	}
1688		2073
1689	package cf;	2074	package cf;
1690		2075
1691	=back	2076	=back
…		…
1737		2122
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2124
1740	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1742	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1745	}	2144	}
1746	}	2145	}
1747		2146
1748	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1749		2148
…		…
1797	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1798		2197
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2199
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1803		2202
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2204	}
1806		2205
1807	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1809		2210
1810	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1811		2212
1812	unless ($map) {	2213	unless ($map) {
1813	# restore original map position	2214	# restore original map position
…		…
1836		2237
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1839	}	2240	}
1840		2241
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1875	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1876		2252
1877	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2258
1880	$self->enter_link;	2259	$self->enter_link;
1881		2260
1882	(async {	2261	(async {
1883	my $map = eval {	2262	my $map = eval {
1884	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
		2267	$map = $check->($map) if $check && $map;
		2268	} else {
		2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
		2271
1886	$map	2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2278	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1891	})->prio (1);	2284	})->prio (1);
1892	}	2285	}
1893		2286
1894	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1895		2288
…		…
1934		2327
1935	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1936		2329
1937	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1940		2333
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2336	undef $fh;
1944	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
1953		2346
1954	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1955		2348
1956	if ($exit->slaying eq "/!") {	2349	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2353	cf::sync_job { prepare_random_map $exit };
1959	}	2354	}
1960		2355
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2357	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2358	my $sp = $exit->stats->sp;
1964		2359
1965	$self->enter_link;	2360	$self->enter_link;
		2361
		2362	# if exit is damned, update players death & WoR home-position
		2363	$self->contr->savebed ($slaying, $hp, $sp)
		2364	if $exit->flag (FLAG_DAMNED);
1966		2365
1967	(async {	2366	(async {
1968	$self->deactivate_recursive; # just to be sure	2367	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2368	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2369	$self->goto ($slaying, $hp, $sp);
1971		2370
1972	1;	2371	1;
1973	}) {	2372	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2373	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2374	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2375	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2376	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2377
1979	warn "ERROR in enter_exit: $@";	2378	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2379	$self->leave_link;
1981	}	2380	}
1982	})->prio (1);	2381	})->prio (1);
…		…
1998		2397
1999	utf8::encode $text;	2398	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2400	}
2002		2401
		2402	=item $client->send_msg ($color, $type, $msg, [extra...])
		2403
		2404	Send a drawinfo or msg packet to the client, formatting the msg for the
		2405	client if neccessary. C<$type> should be a string identifying the type of
		2406	the message, with C<log> being the default. If C<$color> is negative, suppress
		2407	the message unless the client supports the msg packet.
		2408
		2409	=cut
		2410
		2411	sub cf::client::send_msg {
		2412	my ($self, $color, $type, $msg, @extra) = @_;
		2413
		2414	$msg = $self->pl->expand_cfpod ($msg);
		2415
		2416	return unless @extra || length $msg;
		2417
		2418	if ($self->can_msg) {
		2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2420	} else {
		2421	# replace some tags by gcfclient-compatible ones
		2422	for ($msg) {
		2423	1 while
		2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2429	}
		2430
		2431	if ($color >= 0) {
		2432	if (0 && $msg =~ /\[/) {
		2433	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2434	} else {
		2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2436	$self->send_packet ("drawinfo $color $msg")
		2437	}
		2438	}
		2439	}
		2440	}
		2441
		2442	=item $client->ext_event ($type, %msg)
		2443
		2444	Sends an ext event to the client.
		2445
		2446	=cut
		2447
		2448	sub cf::client::ext_event($$%) {
		2449	my ($self, $type, %msg) = @_;
		2450
		2451	$msg{msgtype} = "event_$type";
		2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2453	}
2003		2454
2004	=item $success = $client->query ($flags, "text", \&cb)	2455	=item $success = $client->query ($flags, "text", \&cb)
2005		2456
2006	Queues a query to the client, calling the given callback with	2457	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2458	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2459	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2460
2010	Queries can fail, so check the return code. Or don't, as queries will become	2461	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2462	become reliable at some point in the future.
2012		2463
2013	=cut	2464	=cut
2014		2465
2015	sub cf::client::query {	2466	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2467	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2475	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2476	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2477
2027	$self->send_packet ($self->{query_queue}[0][0])	2478	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2479	if @{ $self->{query_queue} } == 1;
		2480
		2481	1
2029	}	2482	}
2030		2483
2031	cf::client->attach (	2484	cf::client->attach (
		2485	on_connect => sub {
		2486	my ($ns) = @_;
		2487
		2488	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2489	},
2032	on_reply => sub {	2490	on_reply => sub {
2033	my ($ns, $msg) = @_;	2491	my ($ns, $msg) = @_;
2034		2492
2035	# this weird shuffling is so that direct followup queries	2493	# this weird shuffling is so that direct followup queries
2036	# get handled first	2494	# get handled first
…		…
2048	} else {	2506	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2507	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2508	}
2051	}	2509	}
2052	},	2510	},
		2511	on_exticmd => sub {
		2512	my ($ns, $buf) = @_;
		2513
		2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2515
		2516	if (ref $msg) {
		2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2518	if (my %reply = $cb->($ns, $msg)) {
		2519	$reply{msgid} = $msg->{msgid};
		2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2521	}
		2522	}
		2523	} else {
		2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2525	}
		2526
		2527	cf::override;
		2528	},
2053	);	2529	);
2054		2530
2055	=item $client->async (\&cb)	2531	=item $client->async (\&cb)
2056		2532
2057	Create a new coroutine, running the specified callback. The coroutine will	2533	Create a new coroutine, running the specified callback. The coroutine will
…		…
2104		2580
2105	# here we export the classes and methods available to script code	2581	# here we export the classes and methods available to script code
2106		2582
2107	=pod	2583	=pod
2108		2584
2109	The following fucntions and emthods are available within a safe environment:	2585	The following functions and methods are available within a safe environment:
2110		2586
2111	cf::object contr pay_amount pay_player map	2587	cf::object contr pay_amount pay_player map
2112	cf::object::player player	2588	cf::object::player player
2113	cf::player peaceful	2589	cf::player peaceful
2114	cf::map trigger	2590	cf::map trigger
…		…
2195	=back	2671	=back
2196		2672
2197	=cut	2673	=cut
2198		2674
2199	#############################################################################	2675	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2676	# the server's init and main functions
2273		2677
2274	sub load_faces {	2678	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2679	my ($path) = @_;
2276		2680
2277	warn "loading faces from $path\n";	2681	warn "loading facedata from $path\n";
2278		2682
2279	my $faces;	2683	my $facedata;
2280	0 < aio_load $path, $faces	2684	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2685	or die "$path: $!";
2282		2686
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2687	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2688
		2689	$facedata->{version} == 2
		2690	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2691
		2692	{
		2693	my $faces = $facedata->{faceinfo};
		2694
2287	while (my ($face, $info) = each %$faces) {	2695	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2696	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2697	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2698	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2699	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2291	Coro::cede;	2700	Coro::cede;
2292	}	2701	}
2293		2702
2294	while (my ($face, $info) = each %$faces) {	2703	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2704	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2705	my $idx = cf::face::find $face
2297	or next;	2706	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2707	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2708	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {	2709	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2710	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2711	}
2304	Coro::cede;	2712	Coro::cede;
		2713	}
		2714	}
		2715
		2716	{
		2717	my $anims = $facedata->{animinfo};
		2718
		2719	while (my ($anim, $info) = each %$anims) {
		2720	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2721	Coro::cede;
		2722	}
		2723
		2724	cf::anim::invalidate_all; # d'oh
2305	}	2725	}
2306		2726
2307	1	2727	1
2308	}	2728	}
2309		2729
		2730	sub reload_regions {
		2731	load_resource_file "$MAPDIR/regions"
		2732	or die "unable to load regions file\n";
		2733	}
		2734
		2735	sub reload_facedata {
		2736	load_facedata "$DATADIR/facedata"
		2737	or die "unable to load facedata\n";
		2738	}
		2739
		2740	sub reload_archetypes {
		2741	load_resource_file "$DATADIR/archetypes"
		2742	or die "unable to load archetypes\n";
		2743	#d# NEED to laod twice to resolve forward references
		2744	# this really needs to be done in an extra post-pass
		2745	# (which needs to be synchronous, so solve it differently)
		2746	load_resource_file "$DATADIR/archetypes"
		2747	or die "unable to load archetypes\n";
		2748	}
		2749
		2750	sub reload_treasures {
		2751	load_resource_file "$DATADIR/treasures"
		2752	or die "unable to load treasurelists\n";
		2753	}
		2754
2310	sub reload_resources {	2755	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2756	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	2757
		2758	reload_regions;
2313	load_faces	2759	reload_facedata;
2314	or die "unable to load faces\n";#d#	2760	#reload_archetypes;#d#
		2761	reload_archetypes;
		2762	reload_treasures;
		2763
		2764	warn "finished reloading resource files\n";
2315	}	2765	}
2316		2766
2317	sub init {	2767	sub init {
2318	reload_resources;	2768	reload_resources;
2319	}	2769	}
2320		2770
2321	sub cfg_load {	2771	sub cfg_load {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	2772	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	2773	or return;
2324		2774
2325	local $/;	2775	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	2776	*CFG = YAML::Syck::Load <$fh>;
2327		2777
…		…
2372	},	2822	},
2373	);	2823	);
2374	}	2824	}
2375	}	2825	}
2376		2826
		2827	sub write_runtime {
		2828	my $runtime = "$LOCALDIR/runtime";
		2829
		2830	# first touch the runtime file to show we are still running:
		2831	# the fsync below can take a very very long time.
		2832
		2833	IO::AIO::aio_utime $runtime, undef, undef;
		2834
		2835	my $guard = cf::lock_acquire "write_runtime";
		2836
		2837	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2838	or return;
		2839
		2840	my $value = $cf::RUNTIME + 90 + 10;
		2841	# 10 is the runtime save interval, for a monotonic clock
		2842	# 60 allows for the watchdog to kill the server.
		2843
		2844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2845	and return;
		2846
		2847	# always fsync - this file is important
		2848	aio_fsync $fh
		2849	and return;
		2850
		2851	# touch it again to show we are up-to-date
		2852	aio_utime $fh, undef, undef;
		2853
		2854	close $fh
		2855	or return;
		2856
		2857	aio_rename "$runtime~", $runtime
		2858	and return;
		2859
		2860	warn "runtime file written.\n";
		2861
		2862	1
		2863	}
		2864
2377	sub emergency_save() {	2865	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	2866	my $freeze_guard = cf::freeze_mainloop;
2379		2867
2380	warn "enter emergency perl save\n";	2868	warn "enter emergency perl save\n";
2381		2869
…		…
2412		2900
2413	warn Carp::longmess "post_cleanup backtrace"	2901	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	2902	if $make_core;
2415	}	2903	}
2416		2904
2417	sub reload() {	2905	sub do_reload_perl() {
2418	# can/must only be called in main	2906	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	2907	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	2908	warn "can only reload from main coroutine";
2421	return;	2909	return;
2422	}	2910	}
…		…
2456	%EXT_CORO = ();	2944	%EXT_CORO = ();
2457		2945
2458	warn "removing commands";	2946	warn "removing commands";
2459	%COMMAND = ();	2947	%COMMAND = ();
2460		2948
2461	warn "removing ext commands";	2949	warn "removing ext/exti commands";
2462	%EXTCMD = ();	2950	%EXTCMD = ();
		2951	%EXTICMD = ();
2463		2952
2464	warn "unloading/nuking all extensions";	2953	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	2954	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	2955	warn "... unloading $pkg";
2467		2956
…		…
2497	Symbol::delete_package "safe::$_"	2986	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2987	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		2988
2500	warn "unloading cf.pm \"a bit\"";	2989	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	2990	delete $INC{"cf.pm"};
		2991	delete $INC{"cf/pod.pm"};
2502		2992
2503	# don't, removes xs symbols, too,	2993	# don't, removes xs symbols, too,
2504	# and global variables created in xs	2994	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	2995	#Symbol::delete_package __PACKAGE__;
2506		2996
…		…
2521	warn "reattaching attachments to maps";	3011	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3012	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3013	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3014	reattach $_ for values %PLAYER;
2525		3015
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3016	warn "leaving sync_job";
2530		3017
2531	1	3018	1
2532	} or do {	3019	} or do {
2533	warn $@;	3020	warn $@;
…		…
2538	warn "reloaded";	3025	warn "reloaded";
2539	};	3026	};
2540		3027
2541	our $RELOAD_WATCHER; # used only during reload	3028	our $RELOAD_WATCHER; # used only during reload
2542		3029
		3030	sub reload_perl() {
		3031	# doing reload synchronously and two reloads happen back-to-back,
		3032	# coro crashes during coro_state_free->destroy here.
		3033
		3034	$RELOAD_WATCHER ||= Event->timer (
		3035	reentrant => 0,
		3036	after => 0,
		3037	data => WF_AUTOCANCEL,
		3038	cb => sub {
		3039	do_reload_perl;
		3040	undef $RELOAD_WATCHER;
		3041	},
		3042	);
		3043	}
		3044
2543	register_command "reload" => sub {	3045	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3046	my ($who, $arg) = @_;
2545		3047
2546	if ($who->flag (FLAG_WIZ)) {	3048	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3049	$who->message ("reloading server.");
2548		3050	async { reload_perl };
2549	# doing reload synchronously and two reloads happen back-to-back,
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);
2561	}	3051	}
2562	};	3052	};
2563		3053
2564	unshift @INC, $LIBDIR;	3054	unshift @INC, $LIBDIR;
2565		3055
2566	my $bug_warning = 0;	3056	my $bug_warning = 0;
2567		3057
		3058	our @WAIT_FOR_TICK;
		3059	our @WAIT_FOR_TICK_BEGIN;
		3060
		3061	sub wait_for_tick {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	sub wait_for_tick_begin {
		3071	return unless $TICK_WATCHER->is_active;
		3072	return if $Coro::current == $Coro::main;
		3073
		3074	my $signal = new Coro::Signal;
		3075	push @WAIT_FOR_TICK_BEGIN, $signal;
		3076	$signal->wait;
		3077	}
		3078
		3079	my $min = 1e6;#d#
		3080	my $avg = 10;
2568	$TICK_WATCHER = Event->timer (	3081	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	3082	reentrant => 0,
2570	parked => 1,	3083	parked => 1,
2571	prio => 0,	3084	prio => 0,
2572	at => $NEXT_TICK || $TICK,	3085	at => $NEXT_TICK || $TICK,
…		…
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3089	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3090	unless ++$bug_warning > 10;
2578	return;	3091	return;
2579	}	3092	}
2580		3093
2581	$NOW = Event::time;	3094	$NOW = $tick_start = Event::time;
2582		3095
2583	cf::server_tick; # one server iteration	3096	cf::server_tick; # one server iteration
		3097
		3098	0 && sync_job {#d#
		3099	for(1..10) {
		3100	my $t = Event::time;
		3101	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3102	or die;
		3103
		3104	$map->width (50);
		3105	$map->height (50);
		3106	$map->alloc;
		3107	$map->_load_objects ("/tmp/x.map", 1);
		3108	my $t = Event::time - $t;
		3109
		3110	#next unless $t < 0.0013;#d#
		3111	if ($t < $min) {
		3112	$min = $t;
		3113	}
		3114	$avg = $avg * 0.99 + $t * 0.01;
		3115	}
		3116	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3117	exit 0;
		3118	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3119	};
		3120
2584	$RUNTIME += $TICK;	3121	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3122	$NEXT_TICK += $TICK;
2586		3123
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3124	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3125	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	3127	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3128	or warn "ERROR: unable to write runtime file: $!";
2592	};	3129	};
2593	}	3130	}
2594		3131
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	3132	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	3133	# warn $AFTER - $NOW;#d#
2600		3134
		3135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3136	$sig->send;
		3137	}
		3138	while (my $sig = shift @WAIT_FOR_TICK) {
		3139	$sig->send;
		3140	}
		3141
		3142	$NOW = Event::time;
		3143
2601	# if we are delayed by four ticks or more, skip them all	3144	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3145	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		3146
2604	$TICK_WATCHER->at ($NEXT_TICK);	3147	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
		3149
		3150	$LOAD = ($NOW - $tick_start) / $TICK;
		3151	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3152
		3153	_post_tick;
		3154
		3155
2606	},	3156	},
2607	);	3157	);
2608		3158
2609	{	3159	{
2610	BDB::max_poll_time $TICK * 0.1;	3160	BDB::max_poll_time $TICK * 0.1;
…		…
2638		3188
2639	cf::sync_job {	3189	cf::sync_job {
2640	eval {	3190	eval {
2641	BDB::db_env_open	3191	BDB::db_env_open
2642	$DB_ENV,	3192	$DB_ENV,
2643	$BDB_ENV_DIR,	3193	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3196	0666;
2647		3197
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3199
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3200	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;	3201	$DB_ENV->set_lk_detect;
2652	};	3202	};
2653		3203
…		…
2669	prio => 6,	3219	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3220	cb => \&IO::AIO::poll_cb,
2671	);	3221	);
2672	}	3222	}
2673		3223
		3224	my $_log_backtrace;
		3225
		3226	sub _log_backtrace {
		3227	my ($msg, @addr) = @_;
		3228
		3229	$msg =~ s/\n//;
		3230
		3231	# limit the # of concurrent backtraces
		3232	if ($_log_backtrace < 2) {
		3233	++$_log_backtrace;
		3234	async {
		3235	my @bt = fork_call {
		3236	@addr = map { sprintf "%x", $_ } @addr;
		3237	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3238	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3239	or die "addr2line: $!";
		3240
		3241	my @funcs;
		3242	my @res = <$fh>;
		3243	chomp for @res;
		3244	while (@res) {
		3245	my ($func, $line) = splice @res, 0, 2, ();
		3246	push @funcs, "[$func] $line";
		3247	}
		3248
		3249	@funcs
		3250	};
		3251
		3252	LOG llevInfo, "[ABT] $msg\n";
		3253	LOG llevInfo, "[ABT] $_\n" for @bt;
		3254	--$_log_backtrace;
		3255	};
		3256	} else {
		3257	LOG llevInfo, "[ABT] $msg\n";
		3258	LOG llevInfo, "[ABT] [suppressed]\n";
		3259	}
		3260	}
		3261
		3262	# load additional modules
		3263	use cf::pod;
		3264
2674	END { cf::emergency_save }	3265	END { cf::emergency_save }
2675		3266
2676	1	3267	1
2677		3268

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