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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 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
…		…
272	};	322	};
273	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
274	$guard	324	$guard
275	}	325	}
276		326
		327	=item cf::get_slot $time[, $priority]
		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	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
		375	}
		376
277	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
278		378
279	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	380	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	381	thing you are allowed to do is call C<prio> on it.
…		…
284		384
285	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
286		386
287	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
288		388
289	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
292		393
293	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
296	fast or be very important.	397	fast or be very important.
…		…
299		400
300	sub sync_job(&) {	401	sub sync_job(&) {
301	my ($job) = @_;	402	my ($job) = @_;
302		403
303	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
304	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
306		409
307	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
319		422
320	while ($busy) {	423	while ($busy) {
321	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
322	}	425	}
323		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
324	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
325	} else {	435	} else {
326	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
327		437
328	$job->()	438	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
348		458
349	$coro	459	$coro
350	}	460	}
351		461
352	sub write_runtime {	462	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		463
355	my $runtime = cf::localdir . "/runtime";	464	Executes the given code block with the given arguments in a seperate
		465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
356		468
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	469	=cut
358	or return;
359		470
360	my $value = $cf::RUNTIME + 90 + 10;	471	sub _store_scalar {
361	# 10 is the runtime save interval, for a monotonic clock	472	open my $fh, ">", \my $buf
362	# 60 allows for the watchdog to kill the server.	473	or die "fork_call: cannot open fh-to-buf in child : $!";
363		474	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	475	close $fh;
372	or return;
373		476
374	aio_rename "$runtime~", $runtime	477	$buf
375	and return;	478	}
376		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
377	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
378	}	638	}
379		639
380	=item cf::datalog type => key => value, ...	640	=item cf::datalog type => key => value, ...
381		641
382	Log a datalog packet of the given type with the given key-value pairs.	642	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")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
402		662
403	In the following description, CLASS can be any of C<global>, C<object>	663	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	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	665	Crossfire TRT).
406		666
407	=over 4	667	=over 4
408		668
409	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
410		670
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
574		834
575	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		839
580	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	841	my $pkg = shift @arg;
582		842
583	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
613	}	873	}
614		874
615	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
616	} else {	876	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	878	}
619		879
620	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
621	}	881	}
622		882
…		…
624	if (ref $_[0]) {	884	if (ref $_[0]) {
625	_object_attach @_;	885	_object_attach @_;
626	} else {	886	} else {
627	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
628	}	888	}
		889	_recalc_want;
629	};	890	};
630		891
631	# all those should be optimised	892	# all those should be optimised
632	sub cf::attachable::detach {	893	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
637	reattach ($obj);	898	reattach ($obj);
638	} else {	899	} else {
639	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
640	}	901	}
		902	_recalc_want;
641	};	903	};
642		904
643	sub cf::attachable::attached {	905	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
645		907
…		…
660	";	922	";
661	die if $@;	923	die if $@;
662	}	924	}
663		925
664	our $override;	926	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		928
667	sub override {	929	sub override {
668	$override = 1;	930	$override = 1;
669	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
670	}	932	}
671		933
672	sub do_invoke {	934	sub do_invoke {
673	my $event = shift;	935	my $event = shift;
674	my $callbacks = shift;	936	my $callbacks = shift;
675		937
676	@invoke_results = ();	938	@INVOKE_RESULTS = ();
677		939
678	local $override;	940	local $override;
679		941
680	for (@$callbacks) {	942	for (@$callbacks) {
681	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
698		960
699	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
700		962
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	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	964	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		966
705	=back	967	=back
706		968
707	=cut	969	=cut
708		970
709	#############################################################################	971	#############################################################################
710	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
711		984
712	sub reattach {	985	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	987	my ($obj) = @_;
715		988
…		…
818	or return;	1091	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1093	}
821		1094
822	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1097	return ($data, $av);
825	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
826		1105
827	#############################################################################	1106	#############################################################################
828	# command handling &c	1107	# command handling &c
829		1108
830	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1123	}
845		1124
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1126
848	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
849		1132
850	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
851	called.	1134	called.
852		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
853	=cut	1147	=cut
854		1148
855	sub register_extcmd {	1149	sub register_extcmd {
856	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
857		1151
858	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
859	}	1159	}
860		1160
861	cf::player->attach (	1161	cf::player->attach (
862	on_command => sub {	1162	on_command => sub {
863	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1172	cf::override;
873	},	1173	},
874	on_extcmd => sub {	1174	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
876		1176
877	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1178
879	if (ref $msg) {	1179	if (ref $msg) {
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
881	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
882	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
888		1188
889	cf::override;	1189	cf::override;
890	},	1190	},
891	);	1191	);
892		1192
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 {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
928	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1198	next unless -r $path;
930	eval {	1199
931	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
932	1	1257	}
933	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
934	}	1263	};
935	}	1264	}
936		1265
937	#############################################################################	1266	#############################################################################
938		1267
		1268	=back
		1269
939	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
940		1271
941	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
942		1273
943	=cut	1274	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
956		1287
957	=cut	1288	=cut
958		1289
959	sub playerdir($) {	1290	sub playerdir($) {
960	cf::localdir	1291	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1293	}
966		1294
967	sub path($) {	1295	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1089		1417
1090	=cut	1418	=cut
1091		1419
1092	sub list_logins {	1420	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1422	or return [];
1095		1423
1096	my @logins;	1424	my @logins;
1097		1425
1098	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1133	}	1461	}
1134		1462
1135	\@paths	1463	\@paths
1136	}	1464	}
1137		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1138	=item $player->ext_reply ($msgid, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1139		1517
1140	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1141		1519
1142	=cut	1520	=cut
1143		1521
1144	sub ext_reply($$%) {	1522	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1146		1524
1147	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1148		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1527	}
1151		1528
1152	=item $player->ext_event ($type, %msg)	1529	=item $player->ext_event ($type, %msg)
1153		1530
1154	Sends an ext event to the client.	1531	Sends an ext event to the client.
…		…
1159	my ($self, $type, %msg) = @_;	1536	my ($self, $type, %msg) = @_;
1160		1537
1161	$self->ns->ext_event ($type, %msg);	1538	$self->ns->ext_event ($type, %msg);
1162	}	1539	}
1163		1540
1164	package cf;	1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1165		1569
1166	=back	1570	=back
1167
1168		1571
1169	=head3 cf::map	1572	=head3 cf::map
1170		1573
1171	=over 4	1574	=over 4
1172		1575
…		…
1227	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1228		1631
1229	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1230	local $self->{path};	1633	local $self->{path};
1231	local $self->{load_path};	1634	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1635
1235	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1236	}	1637	}
1237		1638
1238	sub normalise {	1639	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1286	return $self;	1687	return $self;
1287	}	1688	}
1288	}	1689	}
1289		1690
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1692	()
1292	}	1693	}
1293		1694
1294	sub init {	1695	sub init {
1295	my ($self) = @_;	1696	my ($self) = @_;
…		…
1310		1711
1311	# the original (read-only) location	1712	# the original (read-only) location
1312	sub load_path {	1713	sub load_path {
1313	my ($self) = @_;	1714	my ($self) = @_;
1314		1715
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1316	}	1717	}
1317		1718
1318	# the temporary/swap location	1719	# the temporary/swap location
1319	sub save_path {	1720	sub save_path {
1320	my ($self) = @_;	1721	my ($self) = @_;
1321		1722
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1324	}	1725	}
1325		1726
1326	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1327	sub uniq_path {	1728	sub uniq_path {
1328	my ($self) = @_;	1729	my ($self) = @_;
1329		1730
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1332	}	1733	}
1333		1734
1334	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1335	# all maps in C++...	1736	# all maps in C++...
1336	sub change_all_map_light {	1737	sub change_all_map_light {
1337	my ($change) = @_;	1738	my ($change) = @_;
1338		1739
1339	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
		1742	}
		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
1341	}	1750	}
1342		1751
1343	sub unlink_save {	1752	sub unlink_save {
1344	my ($self) = @_;	1753	my ($self) = @_;
1345		1754
…		…
1403	$self->load_header_orig	1812	$self->load_header_orig
1404	or return;	1813	or return;
1405	$self->prepare_orig;	1814	$self->prepare_orig;
1406	}	1815	}
1407		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
		1822
1408	1	1823	1
1409	}	1824	}
1410		1825
1411	sub find;	1826	sub find;
1412	sub find {	1827	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1425		1840
1426	$map->load_header	1841	$map->load_header
1427	or return;	1842	or return;
1428		1843
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1847	$map->reset;
1433	undef $guard;	1848	undef $guard;
1434	return find $path;	1849	return find $path;
…		…
1445	my ($self) = @_;	1860	my ($self) = @_;
1446		1861
1447	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1448		1863
1449	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1451		1868
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1870
1454	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1455		1872
1456	$self->alloc;	1873	$self->alloc;
1457		1874
1458	$self->pre_load;	1875	$self->pre_load;
1459
1460	$self->_load_objects ($self->{load_path}, 1)
1461	or return;
1462
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};
1465
1466	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {
1469	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);
1471	}
1472	}
1473
1474	Coro::cede;
1475
1476	# now do the right thing for maps
1477	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;	1876	Coro::cede;
1484	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1485	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1896	unless $self->difficulty;
1487	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1488	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1910	}
1490		1911
1491	$self->post_load;	1912	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1913	}
1495		1914
1496	sub customise_for {	1915	sub customise_for {
1497	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1498		1917
1499	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1501		1923
1502	$self	1924	$self
1503	}	1925	}
1504		1926
1505	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1552		1974
1553	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1554	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1557	my $map = find $path	1979	if (my $map = find $path) {
1558	or next;
1559	$map->load;	1980	$map->load;
		1981	}
1560		1982
1561	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1562	}	1984	}
1563	}	1985	}
1564	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1616		2038
1617	sub reset_at {	2039	sub reset_at {
1618	my ($self) = @_;	2040	my ($self) = @_;
1619		2041
1620	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1623		2044
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2047
…		…
1637	my ($self) = @_;	2058	my ($self) = @_;
1638		2059
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2061
1641	return if $self->players;	2062	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2063
1644	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1645		2065
1646	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1647		2067
1648	# need to save uniques path	2068	# need to save uniques path
1649	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1681	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1682		2102
1683	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1684	}	2104	}
1685		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1686	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1687		2143
1688	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2145	instantiated unique items. May block.
1690		2146
1691	=cut	2147	=cut
1692		2148
1693	sub unique_maps() {	2149	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1695	or return;	2151	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2152	utf8::decode $_;
1701	next if /\.pst$/;	2153	/\.map$/
1702	next unless /^$PATH_SEP/o;	2154	? normalise $_
1703		2155	: ()
1704	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2157	]
1706
1707	\@paths
1708	}	2158	}
1709		2159
1710	package cf;	2160	package cf;
1711		2161
1712	=back	2162	=back
…		…
1758		2208
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2210
1761	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1763	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1766	}	2230	}
1767	}	2231	}
1768		2232
1769	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1770		2234
…		…
1818	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1819		2283
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2285
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1824		2288
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2290	}
1827		2291
1828	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1830		2296
1831	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1832		2298
1833	unless ($map) {	2299	unless ($map) {
1834	# restore original map position	2300	# restore original map position
…		…
1857		2323
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1860	}	2326	}
1861		2327
1862	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2329
1866	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1870	};	2334	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2335
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1897		2339
1898	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2345
1901	$self->enter_link;	2346	$self->enter_link;
1902		2347
1903	(async {	2348	(async {
1904	my $map = eval {	2349	my $map = eval {
1905	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1907	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2365	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1912	})->prio (1);	2373	})->prio (1);
1913	}	2374	}
1914		2375
1915	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1916		2377
…		…
1955		2416
1956	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1957		2418
1958	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1961		2422
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2425	undef $fh;
1965	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1987		2448
1988	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1989		2454
1990	(async {	2455	(async {
1991	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2457	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
…		…
2021		2486
2022	utf8::encode $text;	2487	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2489	}
2025		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
2026	=item $client->ext_event ($type, %msg)	2543	=item $client->ext_event ($type, %msg)
2027		2544
2028	Sends an exti event to the client.	2545	Sends an ext event to the client.
2029		2546
2030	=cut	2547	=cut
2031		2548
2032	sub cf::client::ext_event($$%) {	2549	sub cf::client::ext_event($$%) {
2033	my ($self, $type, %msg) = @_;	2550	my ($self, $type, %msg) = @_;
2034		2551
		2552	return unless $self->extcmd;
		2553
2035	$msg{msgtype} = "event_$type";	2554	$msg{msgtype} = "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2037	}	2556	}
2038		2557
2039	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
2040		2559
2041	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2563
2045	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2565	become reliable at some point in the future.
2047		2566
2048	=cut	2567	=cut
2049		2568
2050	sub cf::client::query {	2569	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2578	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2580
2062	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2064	}	2585	}
2065		2586
2066	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2067	on_reply => sub {	2593	on_reply => sub {
2068	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2069		2595
2070	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2071	# get handled first	2597	# get handled first
…		…
2083	} else {	2609	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2611	}
2086	}	2612	}
2087	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2088	);	2632	);
2089		2633
2090	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2091		2635
2092	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2141		2685
2142	=pod	2686	=pod
2143		2687
2144	The following functions and methods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2145		2689
2146	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2147	cf::object::player player	2694	cf::object::player
2148	cf::player peaceful	2695	player
2149	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2150		2702
2151	=cut	2703	=cut
2152		2704
2153	for (	2705	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2155	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2158	) {	2711	) {
2159	no strict 'refs';	2712	no strict 'refs';
…		…
2230	=back	2783	=back
2231		2784
2232	=cut	2785	=cut
2233		2786
2234	#############################################################################	2787	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2788	# the server's init and main functions
2308		2789
2309	sub load_facedata {	2790	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2791	my ($path) = @_;
2311		2792
2312	warn "loading facedata from $path\n";	2793	warn "loading facedata from $path\n";
2313		2794
2314	my $facedata;	2795	my $facedata;
2315	0 < aio_load $path, $facedata	2796	0 < aio_load $path, $facedata
…		…
2323	{	2804	{
2324	my $faces = $facedata->{faceinfo};	2805	my $faces = $facedata->{faceinfo};
2325		2806
2326	while (my ($face, $info) = each %$faces) {	2807	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331	Coro::cede;	2813
		2814	cf::cede_to_tick;
2332	}	2815	}
2333		2816
2334	while (my ($face, $info) = each %$faces) {	2817	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2818	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2819	my $idx = cf::face::find $face
2337	or next;	2820	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2824	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2826	}
2343	Coro::cede;	2827
		2828	cf::cede_to_tick;
2344	}	2829	}
2345	}	2830	}
2346		2831
2347	{	2832	{
2348	my $anims = $facedata->{animinfo};	2833	my $anims = $facedata->{animinfo};
2349		2834
2350	while (my ($anim, $info) = each %$anims) {	2835	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2837	cf::cede_to_tick;
2353	}	2838	}
2354		2839
2355	cf::anim::invalidate_all; # d'oh	2840	cf::anim::invalidate_all; # d'oh
2356	}	2841	}
2357		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
2358	1	2873	1
2359	}	2874	}
2360		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
2361	sub reload_resources {	2906	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2907	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2908
		2909	reload_regions;
2364	load_facedata	2910	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
2366	}	2916	}
2367		2917
2368	sub init {	2918	sub init {
2369	reload_resources;	2919	reload_resources;
2370	}	2920	}
2371		2921
2372	sub cfg_load {	2922	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2924	or return;
2375		2925
2376	local $/;	2926	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2378		2928
…		…
2423	},	2973	},
2424	);	2974	);
2425	}	2975	}
2426	}	2976	}
2427		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2428	sub emergency_save() {	3016	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2430		3018
2431	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2432		3020
…		…
2463		3051
2464	warn Carp::longmess "post_cleanup backtrace"	3052	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3053	if $make_core;
2466	}	3054	}
2467		3055
2468	sub reload() {	3056	sub do_reload_perl() {
2469	# can/must only be called in main	3057	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2472	return;	3060	return;
2473	}	3061	}
…		…
2507	%EXT_CORO = ();	3095	%EXT_CORO = ();
2508		3096
2509	warn "removing commands";	3097	warn "removing commands";
2510	%COMMAND = ();	3098	%COMMAND = ();
2511		3099
2512	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2514		3103
2515	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2518		3107
…		…
2548	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3139
2551	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2553		3143
2554	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3145	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2557		3147
…		…
2572	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3164	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3165	reattach $_ for values %PLAYER;
2576		3166
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3167	warn "leaving sync_job";
2581		3168
2582	1	3169	1
2583	} or do {	3170	} or do {
2584	warn $@;	3171	warn $@;
…		…
2589	warn "reloaded";	3176	warn "reloaded";
2590	};	3177	};
2591		3178
2592	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2593		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2594	register_command "reload" => sub {	3196	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2596		3198
2597	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2599		3201	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3202	}
2613	};	3203	};
2614		3204
2615	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2616		3206
2617	my $bug_warning = 0;	3207	my $bug_warning = 0;
2618		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3233	reentrant => 0,
2621	parked => 1,	3234	parked => 1,
2622	prio => 0,	3235	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2629	return;	3242	return;
2630	}	3243	}
2631		3244
2632	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2633		3246
2634	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2635	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2637		3274
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3278	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3279	or warn "ERROR: unable to write runtime file: $!";
2643	};	3280	};
2644	}	3281	}
2645		3282
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2651		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2652	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3297
2655	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2657	},	3307	},
2658	);	3308	);
2659		3309
2660	{	3310	{
2661	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3339
2690	cf::sync_job {	3340	cf::sync_job {
2691	eval {	3341	eval {
2692	BDB::db_env_open	3342	BDB::db_env_open
2693	$DB_ENV,	3343	$DB_ENV,
2694	$BDB_ENV_DIR,	3344	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3347	0666;
2698		3348
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3350
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3352	$DB_ENV->set_lk_detect;
2703	};	3353	};
2704		3354
…		…
2720	prio => 6,	3370	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2722	);	3372	);
2723	}	3373	}
2724		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
		3415
2725	END { cf::emergency_save }	3416	END { cf::emergency_save }
2726		3417
2727	1	3418	1
2728		3419

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