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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 1.345 by root, Tue Aug 28 19:30:11 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 3.64 ();
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;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
84	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	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		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	133	every server tick.
122		134
123	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
135		161
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	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	170	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	171	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.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
163		196
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		204
171	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
234	returned.	275	returned.
235		276
236	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
238		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
239	=cut	284	=cut
240		285
241	our %LOCK;	286	our %LOCK;
242		287
243	sub lock_wait($) {	288	sub lock_wait($) {
…		…
260		305
261	Coro::guard {	306	Coro::guard {
262	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
264	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
265	}	316	}
266		317
267	sub freeze_mainloop {	318	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
269		320
…		…
272	};	323	};
273	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
274	$guard	325	$guard
275	}	326	}
276		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
277	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
278		385
279	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
284		391
285	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
286		393
287	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
288		395
289	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
292		400
293	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
296	fast or be very important.	404	fast or be very important.
…		…
299		407
300	sub sync_job(&) {	408	sub sync_job(&) {
301	my ($job) = @_;	409	my ($job) = @_;
302		410
303	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
304	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
306		416
307	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
319		429
320	while ($busy) {	430	while ($busy) {
321	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
322	}	432	}
323		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
324	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
325	} else {	442	} else {
326	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
327		444
328	$job->()	445	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
348		465
349	$coro	466	$coro
350	}	467	}
351		468
352	sub write_runtime {	469	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		470
355	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
356		475
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
358	or return;
359		477
360	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		480
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
365	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
366		484
367	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	486	reset_signals;
369	and return;	487	&$cb
		488	}, @args;
370		489
371	close $fh	490	wantarray ? @res : $res[-1]
372	or return;	491	}
373		492
374	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
375	and return;
376		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
377	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
378	}	607	}
379		608
380	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
381		610
382	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
402		631
403	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	634	Crossfire TRT).
406		635
407	=over 4	636	=over 4
408		637
409	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
410		639
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
574		803
575	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		808
580	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	810	my $pkg = shift @arg;
582		811
583	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
613	}	842	}
614		843
615	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
616	} else {	845	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	847	}
619		848
620	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
621	}	850	}
622		851
…		…
624	if (ref $_[0]) {	853	if (ref $_[0]) {
625	_object_attach @_;	854	_object_attach @_;
626	} else {	855	} else {
627	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
628	}	857	}
		858	_recalc_want;
629	};	859	};
630		860
631	# all those should be optimised	861	# all those should be optimised
632	sub cf::attachable::detach {	862	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
637	reattach ($obj);	867	reattach ($obj);
638	} else {	868	} else {
639	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
640	}	870	}
		871	_recalc_want;
641	};	872	};
642		873
643	sub cf::attachable::attached {	874	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
645		876
…		…
660	";	891	";
661	die if $@;	892	die if $@;
662	}	893	}
663		894
664	our $override;	895	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		897
667	sub override {	898	sub override {
668	$override = 1;	899	$override = 1;
669	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
670	}	901	}
671		902
672	sub do_invoke {	903	sub do_invoke {
673	my $event = shift;	904	my $event = shift;
674	my $callbacks = shift;	905	my $callbacks = shift;
675		906
676	@invoke_results = ();	907	@INVOKE_RESULTS = ();
677		908
678	local $override;	909	local $override;
679		910
680	for (@$callbacks) {	911	for (@$callbacks) {
681	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
698		929
699	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
700		931
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		935
705	=back	936	=back
706		937
707	=cut	938	=cut
708		939
709	#############################################################################	940	#############################################################################
710	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
711		953
712	sub reattach {	954	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	956	my ($obj) = @_;
715		957
…		…
818	or return;	1060	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1062	}
821		1063
822	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1066	return ($data, $av);
825	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
826		1074
827	#############################################################################	1075	#############################################################################
828	# command handling &c	1076	# command handling &c
829		1077
830	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1092	}
845		1093
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1095
848	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
849		1101
850	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
851	called.	1103	called.
852		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
853	=cut	1116	=cut
854		1117
855	sub register_extcmd {	1118	sub register_extcmd {
856	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
857		1120
858	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
859	}	1128	}
860		1129
861	cf::player->attach (	1130	cf::player->attach (
862	on_command => sub {	1131	on_command => sub {
863	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1141	cf::override;
873	},	1142	},
874	on_extcmd => sub {	1143	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
876		1145
877	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1147
879	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
885	} else {	1163	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1165	}
888		1166
889	cf::override;	1167	cf::override;
890	},	1168	},
891	);	1169	);
892		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
928	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1176	next unless -r $path;
930	eval {	1177
931	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
932	1	1235	}
933	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
934	}	1241	};
935	}	1242	}
936		1243
937	#############################################################################	1244	#############################################################################
938		1245
		1246	=back
		1247
939	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
940		1249
941	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
942		1251
943	=cut	1252	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
956		1265
957	=cut	1266	=cut
958		1267
959	sub playerdir($) {	1268	sub playerdir($) {
960	cf::localdir	1269	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1271	}
966		1272
967	sub path($) {	1273	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1032	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1033		1339
1034	$self	1340	$self
1035	}	1341	}
1036		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1037	=item $pl->quit_character	1353	=item $pl->quit_character
1038		1354
1039	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1041		1357
…		…
1088	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1089		1405
1090	=cut	1406	=cut
1091		1407
1092	sub list_logins {	1408	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1410	or return [];
1095		1411
1096	my @logins;	1412	my @logins;
1097		1413
1098	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1133	}	1449	}
1134		1450
1135	\@paths	1451	\@paths
1136	}	1452	}
1137		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1138	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1139		1505
1140	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1141		1507
1142	=cut	1508	=cut
1143		1509
1144	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1146		1512
1147	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1514	}
1151		1515
1152	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1153		1517
1154	Sends an ext event to the client.	1518	Sends an ext event to the client.
1155		1519
1156	=cut	1520	=cut
1157		1521
1158	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1160		1524
1161	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1162	}	1526	}
1163		1527
1164	package cf;	1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1165		1556
1166	=back	1557	=back
1167
1168		1558
1169	=head3 cf::map	1559	=head3 cf::map
1170		1560
1171	=over 4	1561	=over 4
1172		1562
…		…
1227	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1228		1618
1229	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1230	local $self->{path};	1620	local $self->{path};
1231	local $self->{load_path};	1621	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1622
1235	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1236	}	1624	}
1237		1625
1238	sub normalise {	1626	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1286	return $self;	1674	return $self;
1287	}	1675	}
1288	}	1676	}
1289		1677
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1679	()
1292	}	1680	}
1293		1681
1294	sub init {	1682	sub init {
1295	my ($self) = @_;	1683	my ($self) = @_;
…		…
1310		1698
1311	# the original (read-only) location	1699	# the original (read-only) location
1312	sub load_path {	1700	sub load_path {
1313	my ($self) = @_;	1701	my ($self) = @_;
1314		1702
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1316	}	1704	}
1317		1705
1318	# the temporary/swap location	1706	# the temporary/swap location
1319	sub save_path {	1707	sub save_path {
1320	my ($self) = @_;	1708	my ($self) = @_;
1321		1709
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1324	}	1712	}
1325		1713
1326	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1327	sub uniq_path {	1715	sub uniq_path {
1328	my ($self) = @_;	1716	my ($self) = @_;
1329		1717
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1332	}	1720	}
1333		1721
1334	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1335	# all maps in C++...	1723	# all maps in C++...
1336	sub change_all_map_light {	1724	sub change_all_map_light {
1337	my ($change) = @_;	1725	my ($change) = @_;
1338		1726
1339	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1341	}	1737	}
1342		1738
1343	sub unlink_save {	1739	sub unlink_save {
1344	my ($self) = @_;	1740	my ($self) = @_;
1345		1741
…		…
1403	$self->load_header_orig	1799	$self->load_header_orig
1404	or return;	1800	or return;
1405	$self->prepare_orig;	1801	$self->prepare_orig;
1406	}	1802	}
1407		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1408	1	1810	1
1409	}	1811	}
1410		1812
1411	sub find;	1813	sub find;
1412	sub find {	1814	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1425		1827
1426	$map->load_header	1828	$map->load_header
1427	or return;	1829	or return;
1428		1830
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1834	$map->reset;
1433	undef $guard;	1835	undef $guard;
1434	return find $path;	1836	return find $path;
…		…
1445	my ($self) = @_;	1847	my ($self) = @_;
1446		1848
1447	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1448		1850
1449	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1450	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1451		1856
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1858
1454	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1455		1860
1456	$self->alloc;	1861	$self->alloc;
1457		1862
1458	$self->pre_load;	1863	$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;	1864	Coro::cede;
1484	$self->set_darkness_map;	1865
		1866	$self->_load_objects ($self->{load_path}, 1)
		1867	or return;
		1868
		1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1870	if delete $self->{load_original};
		1871
		1872	if (my $uniq = $self->uniq_path) {
		1873	utf8::encode $uniq;
		1874	if (aio_open $uniq, O_RDONLY, 0) {
		1875	$self->clear_unique_items;
		1876	$self->_load_objects ($uniq, 0);
		1877	}
		1878	}
		1879
		1880	Coro::cede;
		1881	# now do the right thing for maps
		1882	$self->link_multipart_objects;
1485	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1884	unless $self->difficulty;
1487	Coro::cede;	1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1488	$self->activate;	1894	$self->activate;
		1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1901	}
1490		1902
1491	$self->post_load;	1903	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1904	}
1495		1905
1496	sub customise_for {	1906	sub customise_for {
1497	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1498		1908
1499	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1910	if $self->per_player;
1501		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1502	$self	1915	$self
1503	}	1916	}
1504		1917
1505	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1919	sub load_neighbours {
1507	my ($map) = @_;	1920	my ($map) = @_;
1508		1921
1509	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1510		1923
1511	for (0 .. 3) {	1924	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1513	or next;	1926	or next;
1514	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1515	or next;	1928	or next;
1516	$neigh->load;	1929	$neigh->load;
1517		1930
		1931	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1934	}
1521		1935
1522	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1524	or next;	1939	or next;
1525	$neigh->load;	1940	$neigh->load;
1526	}	1941	}
1527	}	1942	}
1528		1943
…		…
1533	}	1948	}
1534		1949
1535	sub do_load_sync {	1950	sub do_load_sync {
1536	my ($map) = @_;	1951	my ($map) = @_;
1537		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1538	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1539	}	1957	}
1540		1958
1541	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1543		1961
1544	sub find_async {	1962	sub find_async {
1545	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1546		1964
1547	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1548		1966
1549	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	1969	}
1552		1970
1553	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1554	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	1976	if (my $map = find $k) {
1558	or next;
1559	$map->load;	1977	$map->load if $v;
		1978	}
1560		1979
1561	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1562	}	1981	}
1563	}	1982	}
1564	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1565	};	1984	};
1566	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1569	}	1988	}
1570		1989
1571	sub save {	1990	sub save {
1572	my ($self) = @_;	1991	my ($self) = @_;
1573		1992
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		1994
1576	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1577		1996
1578	return unless $self->dirty;	1997	return unless $self->dirty;
1579		1998
…		…
1602	my ($self) = @_;	2021	my ($self) = @_;
1603		2022
1604	# save first because save cedes	2023	# save first because save cedes
1605	$self->save;	2024	$self->save;
1606		2025
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2027
1609	return if $self->players;	2028	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2030	return if $self->{deny_save};
1612		2031
…		…
1616		2035
1617	sub reset_at {	2036	sub reset_at {
1618	my ($self) = @_;	2037	my ($self) = @_;
1619		2038
1620	# TODO: safety, remove and allow resettable per-player maps	2039	# 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};	2040	return 1e99 if $self->{deny_reset};
1623		2041
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2044
…		…
1637	my ($self) = @_;	2055	my ($self) = @_;
1638		2056
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2058
1641	return if $self->players;	2059	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2060
1644	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1645		2062
1646	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1647		2064
1648	# need to save uniques path	2065	# need to save uniques path
1649	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1681	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1682		2099
1683	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1684	}	2101	}
1685		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1686	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1687		2140
1688	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2142	instantiated unique items. May block.
1690		2143
1691	=cut	2144	=cut
1692		2145
1693	sub unique_maps() {	2146	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1695	or return;	2148	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2149	utf8::decode $_;
1701	next if /\.pst$/;	2150	/\.map$/
1702	next unless /^$PATH_SEP/o;	2151	? normalise $_
1703		2152	: ()
1704	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2154	]
1706
1707	\@paths
1708	}	2155	}
1709		2156
1710	package cf;	2157	package cf;
1711		2158
1712	=back	2159	=back
…		…
1758		2205
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2207
1761	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1763	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1766	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1767	}	2233	}
1768		2234
1769	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1770		2236
1771	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1819		2285
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2287
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1824		2290
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2292	}
1827		2293
1828	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1830		2298
1831	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1832		2300
1833	unless ($map) {	2301	unless ($map) {
1834	# restore original map position	2302	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1851		2319
1852	$map->load;	2320	$map->load;
1853	$map->load_diag;	2321	$map->load_neighbours;
1854		2322
1855	return unless $self->contr->active;	2323	return unless $self->contr->active;
1856	$self->activate_recursive;	2324	$self->activate_recursive;
1857		2325
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1860	}	2328	}
1861		2329
1862	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2331
1866	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1870	};	2336	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2337
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	2338	=cut
		2339
		2340	our $GOTOGEN;
1897		2341
1898	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2347
1901	$self->enter_link;	2348	$self->enter_link;
1902		2349
1903	(async {	2350	(async {
1904	my $map = eval {	2351	my $map = eval {
1905	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1907	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2367	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1912	})->prio (1);	2375	})->prio (1);
1913	}	2376	}
1914		2377
1915	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1916		2379
…		…
1955		2418
1956	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1957		2420
1958	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1961		2424
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2427	undef $fh;
1965	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
1987		2450
1988	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1989		2456
1990	(async {	2457	(async {
1991	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2459	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
…		…
2021		2488
2022	utf8::encode $text;	2489	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2491	}
2025		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2026	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2027		2556
2028	Sends an exti event to the client.	2557	Sends an ext event to the client.
2029		2558
2030	=cut	2559	=cut
2031		2560
2032	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2034		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
2037	}	2588	}
2038		2589
2039	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2040		2591
2041	Queues a query to the client, calling the given callback with	2592	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>,	2593	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>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2595
2045	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2597	become reliable at some point in the future.
2047		2598
2048	=cut	2599	=cut
2049		2600
2050	sub cf::client::query {	2601	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2610	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2612
2062	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2064	}	2617	}
2065		2618
2066	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2067	on_reply => sub {	2625	on_reply => sub {
2068	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2069		2627
2070	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2071	# get handled first	2629	# get handled first
…		…
2083	} else {	2641	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2643	}
2086	}	2644	}
2087	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2088	);	2672	);
2089		2673
2090	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2091		2675
2092	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2135		2719
2136	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2137		2721
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2139		2727
2140	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2141		2729
2142	=pod	2730	=pod
2143		2731
2144	The following functions and methods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2145		2733
2146	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2147	cf::object::player player	2738	cf::object::player
2148	cf::player peaceful	2739	player
2149	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2150		2746
2151	=cut	2747	=cut
2152		2748
2153	for (	2749	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2158	) {	2756	) {
2159	no strict 'refs';	2757	no strict 'refs';
…		…
2230	=back	2828	=back
2231		2829
2232	=cut	2830	=cut
2233		2831
2234	#############################################################################	2832	#############################################################################
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	2833	# the server's init and main functions
2308		2834
2309	sub load_facedata {	2835	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		2839
2312	warn "loading facedata from $path\n";	2840	warn "loading facedata from $path\n";
2313		2841
2314	my $facedata;	2842	my $facedata;
2315	0 < aio_load $path, $facedata	2843	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2846	$facedata = Coro::Storable::thaw $facedata;
2319		2847
2320	$facedata->{version} == 2	2848	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
2323	{	2858	{
2324	my $faces = $facedata->{faceinfo};	2859	my $faces = $facedata->{faceinfo};
2325		2860
2326	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2867
		2868	cf::cede_to_tick;
2332	}	2869	}
2333		2870
2334	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2872	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2337	or next;	2874	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2878	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2880	}
2343	Coro::cede;	2881
		2882	cf::cede_to_tick;
2344	}	2883	}
2345	}	2884	}
2346		2885
2347	{	2886	{
2348	my $anims = $facedata->{animinfo};	2887	my $anims = $facedata->{animinfo};
2349		2888
2350	while (my ($anim, $info) = each %$anims) {	2889	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2891	cf::cede_to_tick;
2353	}	2892	}
2354		2893
2355	cf::anim::invalidate_all; # d'oh	2894	cf::anim::invalidate_all; # d'oh
2356	}	2895	}
2357		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
2358	1	2946	1
2359	}	2947	}
2360		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
2361	sub reload_resources {	2987	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2988	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2989
		2990	reload_regions;
2364	load_facedata	2991	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
2366	}	2997	}
2367		2998
2368	sub init {	2999	sub init {
2369	reload_resources;	3000	reload_resources;
2370	}	3001	}
2371		3002
2372	sub cfg_load {	3003	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3005	or return;
2375		3006
2376	local $/;	3007	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2378		3009
…		…
2397	(async {	3028	(async {
2398	Event::one_event;	3029	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2400	};	3031	};
2401		3032
2402	cfg_load;	3033	reload_config;
2403	db_init;	3034	db_init;
2404	load_extensions;	3035	load_extensions;
2405		3036
2406	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2407	Event::loop;	3038	Event::loop;
…		…
2423	},	3054	},
2424	);	3055	);
2425	}	3056	}
2426	}	3057	}
2427		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2428	sub emergency_save() {	3097	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2430		3099
2431	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2432		3101
…		…
2463		3132
2464	warn Carp::longmess "post_cleanup backtrace"	3133	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3134	if $make_core;
2466	}	3135	}
2467		3136
2468	sub reload() {	3137	sub do_reload_perl() {
2469	# can/must only be called in main	3138	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2472	return;	3141	return;
2473	}	3142	}
…		…
2507	%EXT_CORO = ();	3176	%EXT_CORO = ();
2508		3177
2509	warn "removing commands";	3178	warn "removing commands";
2510	%COMMAND = ();	3179	%COMMAND = ();
2511		3180
2512	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2514		3184
2515	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2518		3188
…		…
2548	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3220
2551	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2553		3224
2554	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3226	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2557		3228
…		…
2560	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2561	require cf;	3232	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3234
2564	warn "loading config and database again";	3235	warn "loading config and database again";
2565	cf::cfg_load;	3236	cf::reload_config;
2566		3237
2567	warn "loading extensions";	3238	warn "loading extensions";
2568	cf::load_extensions;	3239	cf::load_extensions;
2569		3240
2570	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3245	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3246	reattach $_ for values %PLAYER;
2576		3247
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3248	warn "leaving sync_job";
2581		3249
2582	1	3250	1
2583	} or do {	3251	} or do {
2584	warn $@;	3252	warn $@;
…		…
2589	warn "reloaded";	3257	warn "reloaded";
2590	};	3258	};
2591		3259
2592	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2593		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2594	register_command "reload" => sub {	3277	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2596		3279
2597	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2599		3282	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	}	3283	}
2613	};	3284	};
2614		3285
2615	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2616		3287
2617	my $bug_warning = 0;	3288	my $bug_warning = 0;
2618		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3314	reentrant => 0,
2621	parked => 1,	3315	parked => 1,
2622	prio => 0,	3316	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2629	return;	3323	return;
2630	}	3324	}
2631		3325
2632	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2633		3327
2634	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2635	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2637		3355
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3359	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3360	or warn "ERROR: unable to write runtime file: $!";
2643	};	3361	};
2644	}	3362	}
2645		3363
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2651		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2652	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3378
2655	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2657	},	3388	},
2658	);	3389	);
2659		3390
2660	{	3391	{
2661	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3420
2690	cf::sync_job {	3421	cf::sync_job {
2691	eval {	3422	eval {
2692	BDB::db_env_open	3423	BDB::db_env_open
2693	$DB_ENV,	3424	$DB_ENV,
2694	$BDB_ENV_DIR,	3425	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3428	0666;
2698		3429
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3431
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
2703	};	3434	};
2704		3435
…		…
2720	prio => 6,	3451	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2722	);	3453	);
2723	}	3454	}
2724		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
		3496
2725	END { cf::emergency_save }	3497	END { cf::emergency_save }
2726		3498
2727	1	3499	1
2728		3500

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