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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.311 by root, Fri Jul 20 16:11:10 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;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
28	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
29	use Time::HiRes;	32	use Time::HiRes;
30	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
31		35
32	# configure various modules to our taste	36	# configure various modules to our taste
33	#	37	#
34	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	76	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	79	our $NEXT_TICK;
64	our $NOW;	80	our $NOW;
…		…
73	our $RUNTIME;	89	our $RUNTIME;
74		90
75	our %PLAYER; # all users	91	our %PLAYER; # all users
76	our %MAP; # all maps	92	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		94
84	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
87	binmode STDOUT;	102	binmode STDOUT;
88	binmode STDERR;	103	binmode STDERR;
89		104
90	# read virtual server time, if available	105	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
95	}	110	}
96		111
97	mkdir cf::localdir;	112	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		114
104	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
105		116
106	sub cf::map::normalise;	117	sub cf::map::normalise;
107		118
…		…
118	=item $cf::RUNTIME	129	=item $cf::RUNTIME
119		130
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	132	every server tick.
122		133
123	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		137
125	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
127		142
128	=item $cf::NOW	143	=item $cf::NOW
129		144
130	The time of the last (current) server tick.	145	The time of the last (current) server tick.
131		146
132	=item $cf::TICK	147	=item $cf::TICK
133		148
134	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
135		160
136	=item %cf::CFG	161	=item %cf::CFG
137		162
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	164	from wherever your confdir points to.
140		165
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		167
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
147		177
148	=back	178	=back
149		179
150	=cut	180	=cut
151		181
152	BEGIN {	182	BEGIN {
153	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	184	my $msg = join "", @_;
155	utf8::encode $msg;
156		185
157	$msg .= "\n"	186	$msg .= "\n"
158	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
159		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
160	LOG llevError, $msg;	192	LOG llevError, $msg;
161	};	193	};
162	}	194	}
163		195
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		203
171	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	205	# within the Safe compartment.
173	for my $pkg (qw(	206	for my $pkg (qw(
174	cf::global cf::attachable	207	cf::global cf::attachable
…		…
182	}	215	}
183		216
184	$Event::DIED = sub {	217	$Event::DIED = sub {
185	warn "error in event callback: @_";	218	warn "error in event callback: @_";
186	};	219	};
		220
		221	#############################################################################
187		222
188	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
189		224
190	=over 4	225	=over 4
191		226
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	246	$d
212	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
213	}	248	}
214		249
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
218		251
219	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
220		253
221	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
222		255
223	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
224		264
225	=item cf::lock_wait $string	265	=item cf::lock_wait $string
226		266
227	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
228		268
…		…
234	returned.	274	returned.
235		275
236	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
238		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
239	=cut	283	=cut
240		284
241	our %LOCK;	285	our %LOCK;
242		286
243	sub lock_wait($) {	287	sub lock_wait($) {
…		…
260		304
261	Coro::guard {	305	Coro::guard {
262	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
264	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
265	}	315	}
266		316
267	sub freeze_mainloop {	317	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
269		319
…		…
284		334
285	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
286		336
287	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
288		338
289	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
292		343
293	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
296	fast or be very important.	347	fast or be very important.
…		…
299		350
300	sub sync_job(&) {	351	sub sync_job(&) {
301	my ($job) = @_;	352	my ($job) = @_;
302		353
303	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
304	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
306		359
307	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
319		372
320	while ($busy) {	373	while ($busy) {
321	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
322	}	375	}
323		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
324	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
325	} else {	385	} else {
326	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
327		387
328	$job->()	388	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
348		408
349	$coro	409	$coro
350	}	410	}
351		411
352	sub write_runtime {	412	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		413
355	my $runtime = cf::localdir . "/runtime";	414	Executes the given code block with the given arguments in a seperate
		415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
356		418
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
358	or return;
359		420
360	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
361	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
362	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
363		424	Storable::store_fd $_[0], $fh;
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
365	and return;
366
367	# always fsync - this file is important
368	aio_fsync $fh
369	and return;
370
371	close $fh	425	close $fh;
372	or return;
373		426
374	aio_rename "$runtime~", $runtime	427	$buf
375	and return;	428	}
376		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
377	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
378	}	588	}
379		589
380	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
381		591
382	Log a datalog packet of the given type with the given key-value pairs.	592	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
402		612
403	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	615	Crossfire TRT).
406		616
407	=over 4	617	=over 4
408		618
409	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
410		620
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
574		784
575	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		789
580	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	791	my $pkg = shift @arg;
582		792
583	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
613	}	823	}
614		824
615	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
616	} else {	826	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	828	}
619		829
620	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
621	}	831	}
622		832
…		…
624	if (ref $_[0]) {	834	if (ref $_[0]) {
625	_object_attach @_;	835	_object_attach @_;
626	} else {	836	} else {
627	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
628	}	838	}
		839	_recalc_want;
629	};	840	};
630		841
631	# all those should be optimised	842	# all those should be optimised
632	sub cf::attachable::detach {	843	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
637	reattach ($obj);	848	reattach ($obj);
638	} else {	849	} else {
639	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
640	}	851	}
		852	_recalc_want;
641	};	853	};
642		854
643	sub cf::attachable::attached {	855	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
645		857
…		…
660	";	872	";
661	die if $@;	873	die if $@;
662	}	874	}
663		875
664	our $override;	876	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		878
667	sub override {	879	sub override {
668	$override = 1;	880	$override = 1;
669	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
670	}	882	}
671		883
672	sub do_invoke {	884	sub do_invoke {
673	my $event = shift;	885	my $event = shift;
674	my $callbacks = shift;	886	my $callbacks = shift;
675		887
676	@invoke_results = ();	888	@INVOKE_RESULTS = ();
677		889
678	local $override;	890	local $override;
679		891
680	for (@$callbacks) {	892	for (@$callbacks) {
681	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
698		910
699	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
700		912
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		916
705	=back	917	=back
706		918
707	=cut	919	=cut
708		920
…		…
818	or return;	1030	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1032	}
821		1033
822	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1036	return ($data, $av);
825	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
826		1044
827	#############################################################################	1045	#############################################################################
828	# command handling &c	1046	# command handling &c
829		1047
830	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1062	}
845		1063
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1065
848	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
849		1071
850	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
851	called.	1073	called.
852		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
853	=cut	1086	=cut
854		1087
855	sub register_extcmd {	1088	sub register_extcmd {
856	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
857		1090
858	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
859	}	1098	}
860		1099
861	cf::player->attach (	1100	cf::player->attach (
862	on_command => sub {	1101	on_command => sub {
863	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1111	cf::override;
873	},	1112	},
874	on_extcmd => sub {	1113	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
876		1115
877	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1117
879	if (ref $msg) {	1118	if (ref $msg) {
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
881	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
882	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
888		1127
889	cf::override;	1128	cf::override;
890	},	1129	},
891	);	1130	);
892		1131
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
928	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1137	next unless -r $path;
930	eval {	1138
931	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
932	1	1196	}
933	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
934	}	1202	};
935	}	1203	}
936		1204
937	#############################################################################	1205	#############################################################################
938		1206
		1207	=back
		1208
939	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
940		1210
941	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
942		1212
943	=cut	1213	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
956		1226
957	=cut	1227	=cut
958		1228
959	sub playerdir($) {	1229	sub playerdir($) {
960	cf::localdir	1230	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1232	}
966		1233
967	sub path($) {	1234	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1089		1356
1090	=cut	1357	=cut
1091		1358
1092	sub list_logins {	1359	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1361	or return [];
1095		1362
1096	my @logins;	1363	my @logins;
1097		1364
1098	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1133	}	1400	}
1134		1401
1135	\@paths	1402	\@paths
1136	}	1403	}
1137		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1138	=item $player->ext_reply ($msgid, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1139		1456
1140	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1141		1458
1142	=cut	1459	=cut
1143		1460
1144	sub ext_reply($$%) {	1461	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1146		1463
1147	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1148		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1466	}
1151		1467
1152	=item $player->ext_event ($type, %msg)	1468	=item $player->ext_event ($type, %msg)
1153		1469
1154	Sends an ext event to the client.	1470	Sends an ext event to the client.
…		…
1169		1485
1170	package cf::region;	1486	package cf::region;
1171		1487
1172	=item cf::region::find_by_path $path	1488	=item cf::region::find_by_path $path
1173		1489
1174	Tries to decuce the probable region for a map knowing only its path.	1490	Tries to decuce the likely region for a map knowing only its path.
1175		1491
1176	=cut	1492	=cut
1177		1493
1178	sub find_by_path($) {	1494	sub find_by_path($) {
1179	my ($path) = @_;	1495	my ($path) = @_;
1180		1496
1181	my ($match, $specificity);	1497	my ($match, $specificity);
1182		1498
1183	for my $region (list) {	1499	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1500	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1501	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1502	if $region->specificity > $specificity;
1187	}	1503	}
1188	}	1504	}
1189		1505
…		…
1253	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1254		1570
1255	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1256	local $self->{path};	1572	local $self->{path};
1257	local $self->{load_path};	1573	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1574
1261	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1262	}	1576	}
1263		1577
1264	sub normalise {	1578	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1312	return $self;	1626	return $self;
1313	}	1627	}
1314	}	1628	}
1315		1629
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1631	()
1318	}	1632	}
1319		1633
1320	sub init {	1634	sub init {
1321	my ($self) = @_;	1635	my ($self) = @_;
…		…
1336		1650
1337	# the original (read-only) location	1651	# the original (read-only) location
1338	sub load_path {	1652	sub load_path {
1339	my ($self) = @_;	1653	my ($self) = @_;
1340		1654
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1342	}	1656	}
1343		1657
1344	# the temporary/swap location	1658	# the temporary/swap location
1345	sub save_path {	1659	sub save_path {
1346	my ($self) = @_;	1660	my ($self) = @_;
1347		1661
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1350	}	1664	}
1351		1665
1352	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1353	sub uniq_path {	1667	sub uniq_path {
1354	my ($self) = @_;	1668	my ($self) = @_;
1355		1669
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1358	}	1672	}
1359		1673
1360	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1361	# all maps in C++...	1675	# all maps in C++...
1362	sub change_all_map_light {	1676	sub change_all_map_light {
1363	my ($change) = @_;	1677	my ($change) = @_;
1364		1678
1365	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
		1681	}
		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
1367	}	1689	}
1368		1690
1369	sub unlink_save {	1691	sub unlink_save {
1370	my ($self) = @_;	1692	my ($self) = @_;
1371		1693
…		…
1429	$self->load_header_orig	1751	$self->load_header_orig
1430	or return;	1752	or return;
1431	$self->prepare_orig;	1753	$self->prepare_orig;
1432	}	1754	}
1433		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
1434	$self->default_region (cf::region::find_by_path $self->{path})	1759	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1760	unless $self->default_region;
1436		1761
1437	1	1762	1
1438	}	1763	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1454		1779
1455	$map->load_header	1780	$map->load_header
1456	or return;	1781	or return;
1457		1782
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1786	$map->reset;
1462	undef $guard;	1787	undef $guard;
1463	return find $path;	1788	return find $path;
…		…
1474	my ($self) = @_;	1799	my ($self) = @_;
1475		1800
1476	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1477		1802
1478	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1480		1807
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1809
1483	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1484		1811
1485	$self->alloc;	1812	$self->alloc;
1486		1813
1487	$self->pre_load;	1814	$self->pre_load;
1488
1489	$self->_load_objects ($self->{load_path}, 1)
1490	or return;
1491
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};
1494
1495	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {
1498	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);
1500	}
1501	}
1502
1503	Coro::cede;
1504
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;	1815	Coro::cede;
1513	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1514	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	1835	unless $self->difficulty;
1516	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1517	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	1849	}
1519		1850
1520	$self->post_load;	1851	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	1852	}
1524		1853
1525	sub customise_for {	1854	sub customise_for {
1526	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1527		1856
1528	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1530		1862
1531	$self	1863	$self
1532	}	1864	}
1533		1865
1534	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1581		1913
1582	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1583	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1584	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1586	my $map = find $path	1918	if (my $map = find $path) {
1587	or next;
1588	$map->load;	1919	$map->load;
		1920	}
1589		1921
1590	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1591	}	1923	}
1592	}	1924	}
1593	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1645		1977
1646	sub reset_at {	1978	sub reset_at {
1647	my ($self) = @_;	1979	my ($self) = @_;
1648		1980
1649	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1652		1983
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		1986
…		…
1666	my ($self) = @_;	1997	my ($self) = @_;
1667		1998
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2000
1670	return if $self->players;	2001	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2002
1673	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
1674		2004
1675	$self->in_memory (cf::MAP_SWAPPED);	2005	$self->in_memory (cf::MAP_SWAPPED);
1676		2006
1677	# need to save uniques path	2007	# need to save uniques path
1678	unless ($self->{deny_save}) {	2008	unless ($self->{deny_save}) {
…		…
1710	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1711		2041
1712	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1713	}	2043	}
1714		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1715	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1716		2082
1717	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2084	instantiated unique items. May block.
1719		2085
1720	=cut	2086	=cut
1721		2087
1722	sub unique_maps() {	2088	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1724	or return;	2090	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2091	utf8::decode $_;
1730	next if /\.pst$/;	2092	/\.map$/
1731	next unless /^$PATH_SEP/o;	2093	? normalise $_
1732		2094	: ()
1733	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2096	]
1735
1736	\@paths
1737	}	2097	}
1738		2098
1739	package cf;	2099	package cf;
1740		2100
1741	=back	2101	=back
…		…
1787		2147
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2149
1790	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1792	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1795	}	2169	}
1796	}	2170	}
1797		2171
1798	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1799		2173
…		…
1847	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1848		2222
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2224
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1853		2227
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2229	}
1856		2230
1857	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1859		2235
1860	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1861		2237
1862	unless ($map) {	2238	unless ($map) {
1863	# restore original map position	2239	# restore original map position
…		…
1886		2262
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1889	}	2265	}
1890		2266
1891	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2268
1895	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1899	};	2273	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2274
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1926		2278
1927	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2284
1930	$self->enter_link;	2285	$self->enter_link;
1931		2286
1932	(async {	2287	(async {
1933	my $map = eval {	2288	my $map = eval {
1934	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1936	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2304	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1941	})->prio (1);	2312	})->prio (1);
1942	}	2313	}
1943		2314
1944	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1945		2316
…		…
1984		2355
1985	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1986		2357
1987	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1990		2361
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2364	undef $fh;
1994	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
2016		2387
2017	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
2018		2393
2019	(async {	2394	(async {
2020	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2396	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
…		…
2050		2425
2051	utf8::encode $text;	2426	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2428	}
2054		2429
		2430	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $channel, $msg, $color, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	$color &= ~cf::NDI_UNIQUE; # just in case...
		2447
		2448	if (ref $channel) {
		2449	# send meta info to client, if not yet sent
		2450	unless (exists $self->{channel}{$channel->{id}}) {
		2451	$self->{channel}{$channel->{id}} = $channel;
		2452	$self->ext_event (channel_info => %$channel);
		2453	}
		2454
		2455	$channel = $channel->{id};
		2456	}
		2457
		2458	if ($self->can_msg) {
		2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2460	} else {
		2461	# replace some tags by gcfclient-compatible ones
		2462	for ($msg) {
		2463	1 while
		2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2469	}
		2470
		2471	if ($color >= 0) {
		2472	if (0 && $msg =~ /\[/) {
		2473	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2474	} else {
		2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2476	$self->send_packet ("drawinfo $color $msg")
		2477	}
		2478	}
		2479	}
		2480	}
		2481
2055	=item $client->ext_event ($type, %msg)	2482	=item $client->ext_event ($type, %msg)
2056		2483
2057	Sends an exti event to the client.	2484	Sends an ext event to the client.
2058		2485
2059	=cut	2486	=cut
2060		2487
2061	sub cf::client::ext_event($$%) {	2488	sub cf::client::ext_event($$%) {
2062	my ($self, $type, %msg) = @_;	2489	my ($self, $type, %msg) = @_;
2063		2490
		2491	return unless $self->extcmd;
		2492
2064	$msg{msgtype} = "event_$type";	2493	$msg{msgtype} = "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2066	}	2495	}
2067		2496
2068	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
2069		2498
2070	Queues a query to the client, calling the given callback with	2499	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2500	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		2502
2074	Queries can fail, so check the return code. Or don't, as queries will become	2503	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	2504	become reliable at some point in the future.
2076		2505
2077	=cut	2506	=cut
2078		2507
2079	sub cf::client::query {	2508	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2517	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2519
2091	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
2093	}	2524	}
2094		2525
2095	cf::client->attach (	2526	cf::client->attach (
		2527	on_connect => sub {
		2528	my ($ns) = @_;
		2529
		2530	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2531	},
2096	on_reply => sub {	2532	on_reply => sub {
2097	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
2098		2534
2099	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
2100	# get handled first	2536	# get handled first
…		…
2112	} else {	2548	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2550	}
2115	}	2551	}
2116	},	2552	},
		2553	on_exticmd => sub {
		2554	my ($ns, $buf) = @_;
		2555
		2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2557
		2558	if (ref $msg) {
		2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2560	if (my %reply = $cb->($ns, $msg)) {
		2561	$reply{msgid} = $msg->{msgid};
		2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2563	}
		2564	}
		2565	} else {
		2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2567	}
		2568
		2569	cf::override;
		2570	},
2117	);	2571	);
2118		2572
2119	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
2120		2574
2121	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
2170		2624
2171	=pod	2625	=pod
2172		2626
2173	The following functions and methods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
2174		2628
2175	cf::object contr pay_amount pay_player map	2629	cf::object
		2630	contr pay_amount pay_player map x y force_find force_add
		2631	insert remove
		2632
2176	cf::object::player player	2633	cf::object::player
2177	cf::player peaceful	2634	player
2178	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
2179		2641
2180	=cut	2642	=cut
2181		2643
2182	for (	2644	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2646	insert remove)],
2184	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
2187	) {	2650	) {
2188	no strict 'refs';	2651	no strict 'refs';
…		…
2259	=back	2722	=back
2260		2723
2261	=cut	2724	=cut
2262		2725
2263	#############################################################################	2726	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	2727	# the server's init and main functions
2337		2728
2338	sub load_facedata {	2729	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	2730	my ($path) = @_;
2340		2731
2341	warn "loading facedata from $path\n";	2732	warn "loading facedata from $path\n";
2342		2733
2343	my $facedata;	2734	my $facedata;
2344	0 < aio_load $path, $facedata	2735	0 < aio_load $path, $facedata
…		…
2352	{	2743	{
2353	my $faces = $facedata->{faceinfo};	2744	my $faces = $facedata->{faceinfo};
2354		2745
2355	while (my ($face, $info) = each %$faces) {	2746	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2748	cf::face::set_visibility $idx, $info->{visibility};
		2749	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360	Coro::cede;	2752
		2753	cf::cede_to_tick;
2361	}	2754	}
2362		2755
2363	while (my ($face, $info) = each %$faces) {	2756	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	2757	next unless $info->{smooth};
2365	my $idx = cf::face::find $face	2758	my $idx = cf::face::find $face
2366	or next;	2759	or next;
2367	if (my $smooth = cf::face::find $info->{smooth}) {	2760	if (my $smooth = cf::face::find $info->{smooth}) {
		2761	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	2763	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	2764	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	2765	}
2372	Coro::cede;	2766
		2767	cf::cede_to_tick;
2373	}	2768	}
2374	}	2769	}
2375		2770
2376	{	2771	{
2377	my $anims = $facedata->{animinfo};	2772	my $anims = $facedata->{animinfo};
2378		2773
2379	while (my ($anim, $info) = each %$anims) {	2774	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	2775	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	2776	cf::cede_to_tick;
2382	}	2777	}
2383		2778
2384	cf::anim::invalidate_all; # d'oh	2779	cf::anim::invalidate_all; # d'oh
2385	}	2780	}
2386		2781
		2782	{
		2783	# TODO: for gcfclient pleasure, we should give resources
		2784	# that gcfclient doesn't grok a >10000 face index.
		2785	my $res = $facedata->{resource};
		2786	my $enc = JSON::XS->new->utf8->canonical;
		2787
		2788	while (my ($name, $info) = each %$res) {
		2789	my $meta = $enc->encode ({
		2790	name => $name,
		2791	type => $info->{type},
		2792	copyright => $info->{copyright}, #TODO#
		2793	});
		2794
		2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2796
		2797	if ($name =~ /\.jpg$/) {
		2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2800	} else {
		2801	my $data = pack "(w/a*)*", $meta, $info->{data};
		2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2803
		2804	cf::face::set_type $idx, 1;
		2805	cf::face::set_data $idx, 0, $data, $chk;
		2806	}
		2807
		2808	cf::cede_to_tick;
		2809	}
		2810	}
		2811
2387	1	2812	1
2388	}	2813	}
2389		2814
		2815	sub reload_regions {
		2816	load_resource_file "$MAPDIR/regions"
		2817	or die "unable to load regions file\n";
		2818
		2819	for (cf::region::list) {
		2820	$_->{match} = qr/$_->{match}/
		2821	if exists $_->{match};
		2822	}
		2823	}
		2824
		2825	sub reload_facedata {
		2826	load_facedata "$DATADIR/facedata"
		2827	or die "unable to load facedata\n";
		2828	}
		2829
		2830	sub reload_archetypes {
		2831	load_resource_file "$DATADIR/archetypes"
		2832	or die "unable to load archetypes\n";
		2833	#d# NEED to laod twice to resolve forward references
		2834	# this really needs to be done in an extra post-pass
		2835	# (which needs to be synchronous, so solve it differently)
		2836	load_resource_file "$DATADIR/archetypes"
		2837	or die "unable to load archetypes\n";
		2838	}
		2839
		2840	sub reload_treasures {
		2841	load_resource_file "$DATADIR/treasures"
		2842	or die "unable to load treasurelists\n";
		2843	}
		2844
2390	sub reload_resources {	2845	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2846	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	2847
		2848	reload_regions;
2393	load_facedata	2849	reload_facedata;
2394	or die "unable to load facedata\n";#d#	2850	#reload_archetypes;#d#
		2851	reload_archetypes;
		2852	reload_treasures;
		2853
		2854	warn "finished reloading resource files\n";
2395	}	2855	}
2396		2856
2397	sub init {	2857	sub init {
2398	reload_resources;	2858	reload_resources;
2399	}	2859	}
2400		2860
2401	sub cfg_load {	2861	sub cfg_load {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	2862	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	2863	or return;
2404		2864
2405	local $/;	2865	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	2866	*CFG = YAML::Syck::Load <$fh>;
2407		2867
…		…
2452	},	2912	},
2453	);	2913	);
2454	}	2914	}
2455	}	2915	}
2456		2916
		2917	sub write_runtime {
		2918	my $runtime = "$LOCALDIR/runtime";
		2919
		2920	# first touch the runtime file to show we are still running:
		2921	# the fsync below can take a very very long time.
		2922
		2923	IO::AIO::aio_utime $runtime, undef, undef;
		2924
		2925	my $guard = cf::lock_acquire "write_runtime";
		2926
		2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2928	or return;
		2929
		2930	my $value = $cf::RUNTIME + 90 + 10;
		2931	# 10 is the runtime save interval, for a monotonic clock
		2932	# 60 allows for the watchdog to kill the server.
		2933
		2934	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2935	and return;
		2936
		2937	# always fsync - this file is important
		2938	aio_fsync $fh
		2939	and return;
		2940
		2941	# touch it again to show we are up-to-date
		2942	aio_utime $fh, undef, undef;
		2943
		2944	close $fh
		2945	or return;
		2946
		2947	aio_rename "$runtime~", $runtime
		2948	and return;
		2949
		2950	warn "runtime file written.\n";
		2951
		2952	1
		2953	}
		2954
2457	sub emergency_save() {	2955	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	2956	my $freeze_guard = cf::freeze_mainloop;
2459		2957
2460	warn "enter emergency perl save\n";	2958	warn "enter emergency perl save\n";
2461		2959
…		…
2492		2990
2493	warn Carp::longmess "post_cleanup backtrace"	2991	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	2992	if $make_core;
2495	}	2993	}
2496		2994
2497	sub reload() {	2995	sub do_reload_perl() {
2498	# can/must only be called in main	2996	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	2997	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	2998	warn "can only reload from main coroutine";
2501	return;	2999	return;
2502	}	3000	}
…		…
2536	%EXT_CORO = ();	3034	%EXT_CORO = ();
2537		3035
2538	warn "removing commands";	3036	warn "removing commands";
2539	%COMMAND = ();	3037	%COMMAND = ();
2540		3038
2541	warn "removing ext commands";	3039	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3040	%EXTCMD = ();
		3041	%EXTICMD = ();
2543		3042
2544	warn "unloading/nuking all extensions";	3043	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3044	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3045	warn "... unloading $pkg";
2547		3046
…		…
2577	Symbol::delete_package "safe::$_"	3076	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3078
2580	warn "unloading cf.pm \"a bit\"";	3079	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3080	delete $INC{"cf.pm"};
		3081	delete $INC{"cf/pod.pm"};
2582		3082
2583	# don't, removes xs symbols, too,	3083	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3084	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3085	#Symbol::delete_package __PACKAGE__;
2586		3086
…		…
2601	warn "reattaching attachments to maps";	3101	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3102	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3103	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3104	reattach $_ for values %PLAYER;
2605		3105
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3106	warn "leaving sync_job";
2610		3107
2611	1	3108	1
2612	} or do {	3109	} or do {
2613	warn $@;	3110	warn $@;
…		…
2618	warn "reloaded";	3115	warn "reloaded";
2619	};	3116	};
2620		3117
2621	our $RELOAD_WATCHER; # used only during reload	3118	our $RELOAD_WATCHER; # used only during reload
2622		3119
		3120	sub reload_perl() {
		3121	# doing reload synchronously and two reloads happen back-to-back,
		3122	# coro crashes during coro_state_free->destroy here.
		3123
		3124	$RELOAD_WATCHER ||= Event->timer (
		3125	reentrant => 0,
		3126	after => 0,
		3127	data => WF_AUTOCANCEL,
		3128	cb => sub {
		3129	do_reload_perl;
		3130	undef $RELOAD_WATCHER;
		3131	},
		3132	);
		3133	}
		3134
2623	register_command "reload" => sub {	3135	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3136	my ($who, $arg) = @_;
2625		3137
2626	if ($who->flag (FLAG_WIZ)) {	3138	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3139	$who->message ("reloading server.");
2628		3140	async { reload_perl };
2629	# doing reload synchronously and two reloads happen back-to-back,
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);
2641	}	3141	}
2642	};	3142	};
2643		3143
2644	unshift @INC, $LIBDIR;	3144	unshift @INC, $LIBDIR;
2645		3145
2646	my $bug_warning = 0;	3146	my $bug_warning = 0;
2647		3147
		3148	our @WAIT_FOR_TICK;
		3149	our @WAIT_FOR_TICK_BEGIN;
		3150
		3151	sub wait_for_tick {
		3152	return unless $TICK_WATCHER->is_active;
		3153	return if $Coro::current == $Coro::main;
		3154
		3155	my $signal = new Coro::Signal;
		3156	push @WAIT_FOR_TICK, $signal;
		3157	$signal->wait;
		3158	}
		3159
		3160	sub wait_for_tick_begin {
		3161	return unless $TICK_WATCHER->is_active;
		3162	return if $Coro::current == $Coro::main;
		3163
		3164	my $signal = new Coro::Signal;
		3165	push @WAIT_FOR_TICK_BEGIN, $signal;
		3166	$signal->wait;
		3167	}
		3168
		3169	my $min = 1e6;#d#
		3170	my $avg = 10;
2648	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2649	reentrant => 0,	3172	reentrant => 0,
2650	parked => 1,	3173	parked => 1,
2651	prio => 0,	3174	prio => 0,
2652	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
…		…
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3180	unless ++$bug_warning > 10;
2658	return;	3181	return;
2659	}	3182	}
2660		3183
2661	$NOW = Event::time;	3184	$NOW = $tick_start = Event::time;
2662		3185
2663	cf::server_tick; # one server iteration	3186	cf::server_tick; # one server iteration
		3187
		3188	0 && sync_job {#d#
		3189	for(1..10) {
		3190	my $t = Event::time;
		3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3192	or die;
		3193
		3194	$map->width (50);
		3195	$map->height (50);
		3196	$map->alloc;
		3197	$map->_load_objects ("/tmp/x.map", 1);
		3198	my $t = Event::time - $t;
		3199
		3200	#next unless $t < 0.0013;#d#
		3201	if ($t < $min) {
		3202	$min = $t;
		3203	}
		3204	$avg = $avg * 0.99 + $t * 0.01;
		3205	}
		3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3207	exit 0;
		3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3209	};
		3210
2664	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2666		3213
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2670	write_runtime	3217	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3218	or warn "ERROR: unable to write runtime file: $!";
2672	};	3219	};
2673	}	3220	}
2674		3221
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;	3222	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#	3223	# warn $AFTER - $NOW;#d#
2680		3224
		3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3226	$sig->send;
		3227	}
		3228	while (my $sig = shift @WAIT_FOR_TICK) {
		3229	$sig->send;
		3230	}
		3231
		3232	$NOW = Event::time;
		3233
2681	# if we are delayed by four ticks or more, skip them all	3234	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683		3236
2684	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;	3238	$TICK_WATCHER->start;
		3239
		3240	$LOAD = ($NOW - $tick_start) / $TICK;
		3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3242
		3243	_post_tick;
		3244
		3245
2686	},	3246	},
2687	);	3247	);
2688		3248
2689	{	3249	{
2690	BDB::max_poll_time $TICK * 0.1;	3250	BDB::max_poll_time $TICK * 0.1;
…		…
2718		3278
2719	cf::sync_job {	3279	cf::sync_job {
2720	eval {	3280	eval {
2721	BDB::db_env_open	3281	BDB::db_env_open
2722	$DB_ENV,	3282	$DB_ENV,
2723	$BDB_ENV_DIR,	3283	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3286	0666;
2727		3287
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729		3289
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;	3291	$DB_ENV->set_lk_detect;
2732	};	3292	};
2733		3293
…		…
2749	prio => 6,	3309	prio => 6,
2750	cb => \&IO::AIO::poll_cb,	3310	cb => \&IO::AIO::poll_cb,
2751	);	3311	);
2752	}	3312	}
2753		3313
		3314	my $_log_backtrace;
		3315
		3316	sub _log_backtrace {
		3317	my ($msg, @addr) = @_;
		3318
		3319	$msg =~ s/\n//;
		3320
		3321	# limit the # of concurrent backtraces
		3322	if ($_log_backtrace < 2) {
		3323	++$_log_backtrace;
		3324	async {
		3325	my @bt = fork_call {
		3326	@addr = map { sprintf "%x", $_ } @addr;
		3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3329	or die "addr2line: $!";
		3330
		3331	my @funcs;
		3332	my @res = <$fh>;
		3333	chomp for @res;
		3334	while (@res) {
		3335	my ($func, $line) = splice @res, 0, 2, ();
		3336	push @funcs, "[$func] $line";
		3337	}
		3338
		3339	@funcs
		3340	};
		3341
		3342	LOG llevInfo, "[ABT] $msg\n";
		3343	LOG llevInfo, "[ABT] $_\n" for @bt;
		3344	--$_log_backtrace;
		3345	};
		3346	} else {
		3347	LOG llevInfo, "[ABT] $msg\n";
		3348	LOG llevInfo, "[ABT] [suppressed]\n";
		3349	}
		3350	}
		3351
		3352	# load additional modules
		3353	use cf::pod;
		3354
2754	END { cf::emergency_save }	3355	END { cf::emergency_save }
2755		3356
2756	1	3357	1
2757		3358

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