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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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 3.61 ();	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";	62
		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";
58		74
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	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
…		…
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		94
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		101
84	binmode STDOUT;	102	binmode STDOUT;
85	binmode STDERR;	103	binmode STDERR;
86		104
87	# read virtual server time, if available	105	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
92	}	110	}
93		111
94	mkdir cf::localdir;	112	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		114
101	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
102		116
103	sub cf::map::normalise;	117	sub cf::map::normalise;
104		118
…		…
115	=item $cf::RUNTIME	129	=item $cf::RUNTIME
116		130
117	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
118	every server tick.	132	every server tick.
119		133
120	=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
121		137
122	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		142
125	=item $cf::NOW	143	=item $cf::NOW
126		144
127	The time of the last (current) server tick.	145	The time of the last (current) server tick.
128		146
129	=item $cf::TICK	147	=item $cf::TICK
130		148
131	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.
132		160
133	=item %cf::CFG	161	=item %cf::CFG
134		162
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	164	from wherever your confdir points to.
…		…
139		167
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	169	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		177
144	=back	178	=back
145		179
146	=cut	180	=cut
147		181
148	BEGIN {	182	BEGIN {
149	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	184	my $msg = join "", @_;
151	utf8::encode $msg;
152		185
153	$msg .= "\n"	186	$msg .= "\n"
154	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
155		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
156	LOG llevError, $msg;	192	LOG llevError, $msg;
157	};	193	};
158	}	194	}
159		195
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		203
167	# 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
168	# within the Safe compartment.	205	# within the Safe compartment.
169	for my $pkg (qw(	206	for my $pkg (qw(
170	cf::global cf::attachable	207	cf::global cf::attachable
…		…
178	}	215	}
179		216
180	$Event::DIED = sub {	217	$Event::DIED = sub {
181	warn "error in event callback: @_";	218	warn "error in event callback: @_";
182	};	219	};
		220
		221	#############################################################################
183		222
184	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
185		224
186	=over 4	225	=over 4
187		226
…		…
206	$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;
207	$d	246	$d
208	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
209	}	248	}
210		249
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
214		251
215	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
216		253
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	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]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	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
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256		304
257	Coro::guard {	305	Coro::guard {
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
261	}	315	}
262		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
…		…
268	};	322	};
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
271	}	325	}
272		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		469
351	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
352		474
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
354	or return;
355		476
356	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
357	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
358	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
359		480	Storable::store_fd $_[0], $fh;
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;
362
363	# always fsync - this file is important
364	aio_fsync $fh
365	and return;
366
367	close $fh	481	close $fh;
368	or return;
369		482
370	aio_rename "$runtime~", $runtime	483	$buf
371	and return;	484	}
372		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
373	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
374	}	644	}
375		645
376	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
377		647
378	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
398		668
399	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	671	Crossfire TRT).
402		672
403	=over 4	673	=over 4
404		674
405	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
406		676
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
570		840
571	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		845
576	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	847	my $pkg = shift @arg;
578		848
579	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
609	}	879	}
610		880
611	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
612	} else {	882	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	884	}
615		885
616	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
617	}	887	}
618		888
…		…
620	if (ref $_[0]) {	890	if (ref $_[0]) {
621	_object_attach @_;	891	_object_attach @_;
622	} else {	892	} else {
623	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
624	}	894	}
		895	_recalc_want;
625	};	896	};
626		897
627	# all those should be optimised	898	# all those should be optimised
628	sub cf::attachable::detach {	899	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
633	reattach ($obj);	904	reattach ($obj);
634	} else {	905	} else {
635	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
636	}	907	}
		908	_recalc_want;
637	};	909	};
638		910
639	sub cf::attachable::attached {	911	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
641		913
…		…
656	";	928	";
657	die if $@;	929	die if $@;
658	}	930	}
659		931
660	our $override;	932	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		934
663	sub override {	935	sub override {
664	$override = 1;	936	$override = 1;
665	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
666	}	938	}
667		939
668	sub do_invoke {	940	sub do_invoke {
669	my $event = shift;	941	my $event = shift;
670	my $callbacks = shift;	942	my $callbacks = shift;
671		943
672	@invoke_results = ();	944	@INVOKE_RESULTS = ();
673		945
674	local $override;	946	local $override;
675		947
676	for (@$callbacks) {	948	for (@$callbacks) {
677	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
694		966
695	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
696		968
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		972
701	=back	973	=back
702		974
703	=cut	975	=cut
704		976
705	#############################################################################	977	#############################################################################
706	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
707		990
708	sub reattach {	991	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	993	my ($obj) = @_;
711		994
…		…
814	or return;	1097	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1099	}
817		1100
818	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1103	return ($data, $av);
821	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
822		1111
823	#############################################################################	1112	#############################################################################
824	# command handling &c	1113	# command handling &c
825		1114
826	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1129	}
841		1130
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1132
844	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
845		1138
846	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
847	called.	1140	called.
848		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
849	=cut	1153	=cut
850		1154
851	sub register_extcmd {	1155	sub register_extcmd {
852	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
853		1157
854	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
855	}	1165	}
856		1166
857	cf::player->attach (	1167	cf::player->attach (
858	on_command => sub {	1168	on_command => sub {
859	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1178	cf::override;
869	},	1179	},
870	on_extcmd => sub {	1180	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
872		1182
873	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1184
875	if (ref $msg) {	1185	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1194
885	cf::override;	1195	cf::override;
886	},	1196	},
887	);	1197	);
888		1198
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
924	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1204	next unless -r $path;
926	eval {	1205
927	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
928	1	1263	}
929	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
930	}	1269	};
931	}	1270	}
932		1271
933	#############################################################################	1272	#############################################################################
934		1273
		1274	=back
		1275
935	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
936		1277
937	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
938		1279
939	=cut	1280	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
952		1293
953	=cut	1294	=cut
954		1295
955	sub playerdir($) {	1296	sub playerdir($) {
956	cf::localdir	1297	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1299	}
962		1300
963	sub path($) {	1301	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1085		1423
1086	=cut	1424	=cut
1087		1425
1088	sub list_logins {	1426	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1428	or return [];
1091		1429
1092	my @logins;	1430	my @logins;
1093		1431
1094	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1129	}	1467	}
1130		1468
1131	\@paths	1469	\@paths
1132	}	1470	}
1133		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1134	=item $player->ext_reply ($msgid, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1135		1523
1136	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1137		1525
1138	=cut	1526	=cut
1139		1527
1140	sub ext_reply($$%) {	1528	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1142		1530
1143	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1144		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1533	}
1147		1534
1148	=item $player->ext_event ($type, %msg)	1535	=item $player->ext_event ($type, %msg)
1149		1536
1150	Sends an ext event to the client.	1537	Sends an ext event to the client.
…		…
1165		1552
1166	package cf::region;	1553	package cf::region;
1167		1554
1168	=item cf::region::find_by_path $path	1555	=item cf::region::find_by_path $path
1169		1556
1170	Tries to decuce the probable region for a map knowing only its path.	1557	Tries to decuce the likely region for a map knowing only its path.
1171		1558
1172	=cut	1559	=cut
1173		1560
1174	sub find_by_path($) {	1561	sub find_by_path($) {
1175	my ($path) = @_;	1562	my ($path) = @_;
1176		1563
1177	my ($match, $specificity);	1564	my ($match, $specificity);
1178		1565
1179	for my $region (list) {	1566	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1567	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1568	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1569	if $region->specificity > $specificity;
1183	}	1570	}
1184	}	1571	}
1185		1572
…		…
1249	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1250		1637
1251	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1252	local $self->{path};	1639	local $self->{path};
1253	local $self->{load_path};	1640	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1641
1257	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1258	}	1643	}
1259		1644
1260	sub normalise {	1645	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1308	return $self;	1693	return $self;
1309	}	1694	}
1310	}	1695	}
1311		1696
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1698	()
1314	}	1699	}
1315		1700
1316	sub init {	1701	sub init {
1317	my ($self) = @_;	1702	my ($self) = @_;
…		…
1332		1717
1333	# the original (read-only) location	1718	# the original (read-only) location
1334	sub load_path {	1719	sub load_path {
1335	my ($self) = @_;	1720	my ($self) = @_;
1336		1721
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1338	}	1723	}
1339		1724
1340	# the temporary/swap location	1725	# the temporary/swap location
1341	sub save_path {	1726	sub save_path {
1342	my ($self) = @_;	1727	my ($self) = @_;
1343		1728
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1346	}	1731	}
1347		1732
1348	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1349	sub uniq_path {	1734	sub uniq_path {
1350	my ($self) = @_;	1735	my ($self) = @_;
1351		1736
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1354	}	1739	}
1355		1740
1356	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1357	# all maps in C++...	1742	# all maps in C++...
1358	sub change_all_map_light {	1743	sub change_all_map_light {
1359	my ($change) = @_;	1744	my ($change) = @_;
1360		1745
1361	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
		1748	}
		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
1363	}	1756	}
1364		1757
1365	sub unlink_save {	1758	sub unlink_save {
1366	my ($self) = @_;	1759	my ($self) = @_;
1367		1760
…		…
1425	$self->load_header_orig	1818	$self->load_header_orig
1426	or return;	1819	or return;
1427	$self->prepare_orig;	1820	$self->prepare_orig;
1428	}	1821	}
1429		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
1430	$self->default_region (cf::region::find_by_path $self->{path})	1826	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1827	unless $self->default_region;
1432		1828
1433	1	1829	1
1434	}	1830	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1450		1846
1451	$map->load_header	1847	$map->load_header
1452	or return;	1848	or return;
1453		1849
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1853	$map->reset;
1458	undef $guard;	1854	undef $guard;
1459	return find $path;	1855	return find $path;
…		…
1470	my ($self) = @_;	1866	my ($self) = @_;
1471		1867
1472	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1473		1869
1474	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1476		1874
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1876
1479	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1480		1878
1481	$self->alloc;	1879	$self->alloc;
1482		1880
1483	$self->pre_load;	1881	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1882	Coro::cede;
1510	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1902	unless $self->difficulty;
1513	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1514	$self->activate;	1912	$self->activate;
1515	Coro::cede;	1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1916	}
1517		1917
1518	$self->post_load;	1918	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1919	}
1523		1920
1524	sub customise_for {	1921	sub customise_for {
1525	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1526		1923
1527	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1529		1929
1530	$self	1930	$self
1531	}	1931	}
1532		1932
1533	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1580		1980
1581	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1582	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1585	my $map = find $path	1985	if (my $map = find $path) {
1586	or next;
1587	$map->load;	1986	$map->load;
		1987	}
1588		1988
1589	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1590	}	1990	}
1591	}	1991	}
1592	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1644		2044
1645	sub reset_at {	2045	sub reset_at {
1646	my ($self) = @_;	2046	my ($self) = @_;
1647		2047
1648	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1651		2050
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2053
…		…
1665	my ($self) = @_;	2064	my ($self) = @_;
1666		2065
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2067
1669	return if $self->players;	2068	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2069
1672	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1673		2071
1674	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1675		2073
1676	# need to save uniques path	2074	# need to save uniques path
1677	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1710		2108
1711	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1712	}	2110	}
1713		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1714	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1715		2149
1716	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2151	instantiated unique items. May block.
1718		2152
1719	=cut	2153	=cut
1720		2154
1721	sub unique_maps() {	2155	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1723	or return;	2157	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2158	utf8::decode $_;
1729	next if /\.pst$/;	2159	/\.map$/
1730	next unless /^$PATH_SEP/o;	2160	? normalise $_
1731		2161	: ()
1732	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2163	]
1734
1735	\@paths
1736	}	2164	}
1737		2165
1738	package cf;	2166	package cf;
1739		2167
1740	=back	2168	=back
…		…
1786		2214
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2216
1789	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1791	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1794	}	2236	}
1795	}	2237	}
1796		2238
1797	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1798		2240
…		…
1846	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1847		2289
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2291
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1852		2294
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2296	}
1855		2297
1856	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1858		2302
1859	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1860		2304
1861	unless ($map) {	2305	unless ($map) {
1862	# restore original map position	2306	# restore original map position
…		…
1885		2329
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1888	}	2332	}
1889		2333
1890	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2335
1894	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1898	};	2340	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2341
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1925		2345
1926	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2351
1929	$self->enter_link;	2352	$self->enter_link;
1930		2353
1931	(async {	2354	(async {
1932	my $map = eval {	2355	my $map = eval {
1933	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1935	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2371	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1940	})->prio (1);	2379	})->prio (1);
1941	}	2380	}
1942		2381
1943	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1944		2383
…		…
1983		2422
1984	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1985		2424
1986	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1989		2428
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2431	undef $fh;
1993	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
2015		2454
2016	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
2017		2460
2018	(async {	2461	(async {
2019	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2463	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
…		…
2049		2492
2050	utf8::encode $text;	2493	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2495	}
2053		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
2054	=item $client->ext_event ($type, %msg)	2549	=item $client->ext_event ($type, %msg)
2055		2550
2056	Sends an exti event to the client.	2551	Sends an ext event to the client.
2057		2552
2058	=cut	2553	=cut
2059		2554
2060	sub cf::client::ext_event($$%) {	2555	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2556	my ($self, $type, %msg) = @_;
2062		2557
		2558	return unless $self->extcmd;
		2559
2063	$msg{msgtype} = "event_$type";	2560	$msg{msgtype} = "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2065	}	2562	}
2066		2563
2067	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
2068		2565
2069	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2569
2073	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2571	become reliable at some point in the future.
2075		2572
2076	=cut	2573	=cut
2077		2574
2078	sub cf::client::query {	2575	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2584	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2586
2090	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2092	}	2591	}
2093		2592
2094	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2095	on_reply => sub {	2599	on_reply => sub {
2096	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2097		2601
2098	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2099	# get handled first	2603	# get handled first
…		…
2111	} else {	2615	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2617	}
2114	}	2618	}
2115	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2116	);	2638	);
2117		2639
2118	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2119		2641
2120	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2169		2691
2170	=pod	2692	=pod
2171		2693
2172	The following functions and methods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2173		2695
2174	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2175	cf::object::player player	2700	cf::object::player
2176	cf::player peaceful	2701	player
2177	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2178		2708
2179	=cut	2709	=cut
2180		2710
2181	for (	2711	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2183	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2186	) {	2717	) {
2187	no strict 'refs';	2718	no strict 'refs';
…		…
2258	=back	2789	=back
2259		2790
2260	=cut	2791	=cut
2261		2792
2262	#############################################################################	2793	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2794	# the server's init and main functions
2336		2795
2337	sub load_facedata($) {	2796	sub load_facedata($) {
2338	my ($path) = @_;	2797	my ($path) = @_;
2339		2798
…		…
2351	{	2810	{
2352	my $faces = $facedata->{faceinfo};	2811	my $faces = $facedata->{faceinfo};
2353		2812
2354	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359	Coro::cede;	2819
		2820	cf::cede_to_tick;
2360	}	2821	}
2361		2822
2362	while (my ($face, $info) = each %$faces) {	2823	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2824	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2825	my $idx = cf::face::find $face
2365	or next;	2826	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2830	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2832	}
2371	Coro::cede;	2833
		2834	cf::cede_to_tick;
2372	}	2835	}
2373	}	2836	}
2374		2837
2375	{	2838	{
2376	my $anims = $facedata->{animinfo};	2839	my $anims = $facedata->{animinfo};
2377		2840
2378	while (my ($anim, $info) = each %$anims) {	2841	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2843	cf::cede_to_tick;
2381	}	2844	}
2382		2845
2383	cf::anim::invalidate_all; # d'oh	2846	cf::anim::invalidate_all; # d'oh
2384	}	2847	}
2385		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
2386	1	2879	1
2387	}	2880	}
2388		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
2389	sub reload_facedata {	2892	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	2893	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	2894	or die "unable to load facedata\n";
2392	}	2895	}
2393		2896
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	2897	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	2898	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
2402	}	2905	}
2403		2906
2404	sub reload_treasures {	2907	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	2908	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	2909	or die "unable to load treasurelists\n";
2407	}	2910	}
2408		2911
2409	sub reload_resources {	2912	sub reload_resources {
2410	warn "reloading resource files...\n";	2913	warn "reloading resource files...\n";
2411		2914
2412	reload_regions;	2915	reload_regions;
2413	reload_facedata;	2916	reload_facedata;
		2917	#reload_archetypes;#d#
2414	reload_archetypes;	2918	reload_archetypes;
2415	reload_treasures;	2919	reload_treasures;
2416		2920
2417	warn "finished reloading resource files\n";	2921	warn "finished reloading resource files\n";
2418	}	2922	}
…		…
2420	sub init {	2924	sub init {
2421	reload_resources;	2925	reload_resources;
2422	}	2926	}
2423		2927
2424	sub cfg_load {	2928	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	2930	or return;
2427		2931
2428	local $/;	2932	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2430		2934
…		…
2475	},	2979	},
2476	);	2980	);
2477	}	2981	}
2478	}	2982	}
2479		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2480	sub emergency_save() {	3022	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2482		3024
2483	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2484		3026
…		…
2559	%EXT_CORO = ();	3101	%EXT_CORO = ();
2560		3102
2561	warn "removing commands";	3103	warn "removing commands";
2562	%COMMAND = ();	3104	%COMMAND = ();
2563		3105
2564	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2565	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2566		3109
2567	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2570		3113
…		…
2600	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3145
2603	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2605		3149
2606	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3151	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2609		3153
…		…
2687	my $signal = new Coro::Signal;	3231	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3232	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3233	$signal->wait;
2690	}	3234	}
2691		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2692	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2693	reentrant => 0,	3239	reentrant => 0,
2694	parked => 1,	3240	parked => 1,
2695	prio => 0,	3241	prio => 0,
2696	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2702	return;	3248	return;
2703	}	3249	}
2704		3250
2705	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2706		3252
2707	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
2708		3277
2709	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2711		3280
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2718	}	3287	}
2719		3288
2720	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2722		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2723	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2725		3303
2726	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
2728		3306
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3307	$LOAD = ($NOW - $tick_start) / $TICK;
2730	$sig->send;	3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735		3309
2736	_post_tick;	3310	_post_tick;
		3311
		3312
2737	},	3313	},
2738	);	3314	);
2739		3315
2740	{	3316	{
2741	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2769		3345
2770	cf::sync_job {	3346	cf::sync_job {
2771	eval {	3347	eval {
2772	BDB::db_env_open	3348	BDB::db_env_open
2773	$DB_ENV,	3349	$DB_ENV,
2774	$BDB_ENV_DIR,	3350	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3353	0666;
2778		3354
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780		3356
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;	3358	$DB_ENV->set_lk_detect;
2783	};	3359	};
2784		3360
…		…
2800	prio => 6,	3376	prio => 6,
2801	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2802	);	3378	);
2803	}	3379	}
2804		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
		3421
2805	END { cf::emergency_save }	3422	END { cf::emergency_save }
2806		3423
2807	1	3424	1
2808		3425

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