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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
240	returned.	275	returned.
241		276
242	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
243	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
244		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
245	=cut	284	=cut
246		285
247	our %LOCK;	286	our %LOCK;
248		287
249	sub lock_wait($) {	288	sub lock_wait($) {
…		…
266		305
267	Coro::guard {	306	Coro::guard {
268	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
270	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
271	}	316	}
272		317
273	sub freeze_mainloop {	318	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
275		320
…		…
278	};	323	};
279	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
280	$guard	325	$guard
281	}	326	}
282		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
283	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
284		385
285	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
286	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
287	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.
…		…
290		391
291	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
292		393
293	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
294		395
295	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)
296	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
297	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.
298		400
299	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
300	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
301	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
302	fast or be very important.	404	fast or be very important.
…		…
305		407
306	sub sync_job(&) {	408	sub sync_job(&) {
307	my ($job) = @_;	409	my ($job) = @_;
308		410
309	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
310	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
312		416
313	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
325		429
326	while ($busy) {	430	while ($busy) {
327	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
328	}	432	}
329		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
330	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
331	} else {	442	} else {
332	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
333		444
334	$job->()	445	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
354		465
355	$coro	466	$coro
356	}	467	}
357		468
358	sub write_runtime {	469	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		470
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		475
364	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		477
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
369	and return;	479	my ($cb, @args) = @_;
370		480
371	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
373	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
374		484
375	close $fh	485	my @res = Coro::Util::fork_eval {
376	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
377		489
378	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
379	and return;	491	}
380		492
		493	=item $value = cf::db_get $family => $key
		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	};
381	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"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	618	}
383		619
384	=back	620	=back
385		621
386	=cut	622	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
395		631
396	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>
397	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
398	crossfire+).	634	Crossfire TRT).
399		635
400	=over 4	636	=over 4
401		637
402	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
403		639
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
567		803
568	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		808
573	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	810	my $pkg = shift @arg;
575		811
576	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
606	}	842	}
607		843
608	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
609	} else {	845	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	847	}
612		848
613	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
614	}	850	}
615		851
…		…
617	if (ref $_[0]) {	853	if (ref $_[0]) {
618	_object_attach @_;	854	_object_attach @_;
619	} else {	855	} else {
620	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
621	}	857	}
		858	_recalc_want;
622	};	859	};
623		860
624	# all those should be optimised	861	# all those should be optimised
625	sub cf::attachable::detach {	862	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
630	reattach ($obj);	867	reattach ($obj);
631	} else {	868	} else {
632	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
633	}	870	}
		871	_recalc_want;
634	};	872	};
635		873
636	sub cf::attachable::attached {	874	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
638		876
…		…
653	";	891	";
654	die if $@;	892	die if $@;
655	}	893	}
656		894
657	our $override;	895	our $override;
658	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?
659		897
660	sub override {	898	sub override {
661	$override = 1;	899	$override = 1;
662	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
663	}	901	}
664		902
665	sub do_invoke {	903	sub do_invoke {
666	my $event = shift;	904	my $event = shift;
667	my $callbacks = shift;	905	my $callbacks = shift;
668		906
669	@invoke_results = ();	907	@INVOKE_RESULTS = ();
670		908
671	local $override;	909	local $override;
672		910
673	for (@$callbacks) {	911	for (@$callbacks) {
674	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
691		929
692	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
693		931
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		935
698	=back	936	=back
699		937
700	=cut	938	=cut
701		939
702	#############################################################################	940	#############################################################################
703	# 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	}
704		953
705	sub reattach {	954	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	956	my ($obj) = @_;
708		957
…		…
811	or return;	1060	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1062	}
814		1063
815	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1066	return ($data, $av);
818	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
819		1074
820	#############################################################################	1075	#############################################################################
821	# command handling &c	1076	# command handling &c
822		1077
823	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1092	}
838		1093
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1095
841	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.
842		1101
843	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
844	called.	1103	called.
845		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
846	=cut	1116	=cut
847		1117
848	sub register_extcmd {	1118	sub register_extcmd {
849	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
850		1120
851	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
852	}	1128	}
853		1129
854	cf::player->attach (	1130	cf::player->attach (
855	on_command => sub {	1131	on_command => sub {
856	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1141	cf::override;
866	},	1142	},
867	on_extcmd => sub {	1143	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
869		1145
870	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1147
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
875	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
876	}	1158	if $reply;
877	}	1159	}
878	} else {	1160	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1162	}
881		1163
882	cf::override;	1164	cf::override;
883	},	1165	},
884	);	1166	);
885		1167
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
921	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1173	next unless -r $path;
923	eval {	1174
924	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
925	1	1232	}
926	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
927	}	1238	};
928	}	1239	}
929		1240
930	#############################################################################	1241	#############################################################################
931		1242
		1243	=back
		1244
932	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
933		1246
934	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
935		1248
936	=cut	1249	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
949		1262
950	=cut	1263	=cut
951		1264
952	sub playerdir($) {	1265	sub playerdir($) {
953	cf::localdir	1266	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1268	}
959		1269
960	sub path($) {	1270	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1272
963	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
964	}	1274	}
965		1275
966	sub find_active($) {	1276	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1291	my $login = $_[0];
982		1292
983	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
984		1294
985	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
986	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
987	or return;	1304	or return;
988	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
989	}	1306	}
990	}	1307	}
…		…
1018	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1019		1336
1020	$self	1337	$self
1021	}	1338	}
1022		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1023	=item $pl->quit_character	1350	=item $pl->quit_character
1024		1351
1025	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1027		1354
1028	=cut	1355	=cut
1029		1356
1030	sub quit_character {	1357	sub quit_character {
1031	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1032		1361
1033	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1364
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1046	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1047	}	1396	}
1048		1397
1049	=item cf::player::list_logins	1398	=item cf::player::list_logins
1050		1399
1051	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1053		1402
1054	=cut	1403	=cut
1055		1404
1056	sub list_logins {	1405	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1407	or return [];
1059		1408
1060	my @logins;	1409	my @logins;
1061		1410
1062	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1097	}	1446	}
1098		1447
1099	\@paths	1448	\@paths
1100	}	1449	}
1101		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1103		1502
1104	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1105		1504
1106	=cut	1505	=cut
1107		1506
1108	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1110		1509
1111	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1112		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1113	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1114	}	1517	}
1115		1518
1116	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1117		1559
1118	=back	1560	=back
1119
1120		1561
1121	=head3 cf::map	1562	=head3 cf::map
1122		1563
1123	=over 4	1564	=over 4
1124		1565
…		…
1179	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1180		1621
1181	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1182	local $self->{path};	1623	local $self->{path};
1183	local $self->{load_path};	1624	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1625
1187	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1188	}	1627	}
1189		1628
1190	sub normalise {	1629	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1238	return $self;	1677	return $self;
1239	}	1678	}
1240	}	1679	}
1241		1680
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1682	()
1244	}	1683	}
1245		1684
1246	sub init {	1685	sub init {
1247	my ($self) = @_;	1686	my ($self) = @_;
…		…
1262		1701
1263	# the original (read-only) location	1702	# the original (read-only) location
1264	sub load_path {	1703	sub load_path {
1265	my ($self) = @_;	1704	my ($self) = @_;
1266		1705
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1268	}	1707	}
1269		1708
1270	# the temporary/swap location	1709	# the temporary/swap location
1271	sub save_path {	1710	sub save_path {
1272	my ($self) = @_;	1711	my ($self) = @_;
1273		1712
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1276	}	1715	}
1277		1716
1278	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1279	sub uniq_path {	1718	sub uniq_path {
1280	my ($self) = @_;	1719	my ($self) = @_;
1281		1720
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1284	}	1723	}
1285		1724
1286	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1287	# all maps in C++...	1726	# all maps in C++...
1288	sub change_all_map_light {	1727	sub change_all_map_light {
1289	my ($change) = @_;	1728	my ($change) = @_;
1290		1729
1291	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1293	}	1740	}
1294		1741
1295	sub unlink_save {	1742	sub unlink_save {
1296	my ($self) = @_;	1743	my ($self) = @_;
1297		1744
…		…
1355	$self->load_header_orig	1802	$self->load_header_orig
1356	or return;	1803	or return;
1357	$self->prepare_orig;	1804	$self->prepare_orig;
1358	}	1805	}
1359		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1360	1	1813	1
1361	}	1814	}
1362		1815
1363	sub find;	1816	sub find;
1364	sub find {	1817	sub find {
…		…
1376	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1377		1830
1378	$map->load_header	1831	$map->load_header
1379	or return;	1832	or return;
1380		1833
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1384	$map->reset;	1837	$map->reset;
1385	undef $guard;	1838	undef $guard;
1386	return find $path;	1839	return find $path;
…		…
1397	my ($self) = @_;	1850	my ($self) = @_;
1398		1851
1399	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1400		1853
1401	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1403		1858
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1405		1860
1406	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1407		1862
1408	$self->alloc;	1863	$self->alloc;
1409		1864
1410	$self->pre_load;	1865	$self->pre_load;
1411
1412	$self->_load_objects ($self->{load_path}, 1)
1413	or return;
1414
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};
1417
1418	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {
1421	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);
1423	}
1424	}
1425
1426	Coro::cede;
1427
1428	# now do the right thing for maps
1429	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;	1866	Coro::cede;
1436	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1437	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1886	unless $self->difficulty;
1439	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1440	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1903	}
1442		1904
1443	$self->post_load;	1905	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1906	}
1447		1907
1448	sub customise_for {	1908	sub customise_for {
1449	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1450		1910
1451	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
1453		1916
1454	$self	1917	$self
1455	}	1918	}
1456		1919
1457	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
…		…
1504		1967
1505	undef $MAP_PREFETCH{$path};	1968	undef $MAP_PREFETCH{$path};
1506	$MAP_PREFETCHER ||= cf::async {	1969	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	1970	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	1971	for my $path (keys %MAP_PREFETCH) {
1509	my $map = find $path	1972	if (my $map = find $path) {
1510	or next;
1511	$map->load;	1973	$map->load;
		1974	}
1512		1975
1513	delete $MAP_PREFETCH{$path};	1976	delete $MAP_PREFETCH{$path};
1514	}	1977	}
1515	}	1978	}
1516	undef $MAP_PREFETCHER;	1979	undef $MAP_PREFETCHER;
…		…
1568		2031
1569	sub reset_at {	2032	sub reset_at {
1570	my ($self) = @_;	2033	my ($self) = @_;
1571		2034
1572	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1575		2037
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2040
…		…
1589	my ($self) = @_;	2051	my ($self) = @_;
1590		2052
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2054
1593	return if $self->players;	2055	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2056
1596	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
1597		2058
1598	$self->in_memory (cf::MAP_SWAPPED);	2059	$self->in_memory (cf::MAP_SWAPPED);
1599		2060
1600	# need to save uniques path	2061	# need to save uniques path
1601	unless ($self->{deny_save}) {	2062	unless ($self->{deny_save}) {
…		…
1633	$cf::MAP{$self->path} = $self;	2094	$cf::MAP{$self->path} = $self;
1634		2095
1635	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1636	}	2097	}
1637		2098
		2099	=item $maps = cf::map::tmp_maps
		2100
		2101	Returns an arrayref with all map paths of currently instantiated and saved
		2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
		2107	[
		2108	map {
		2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
		2115	}
		2116
		2117	=item $maps = cf::map::random_maps
		2118
		2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
		2121
		2122	=cut
		2123
		2124	sub random_maps() {
		2125	[
		2126	map {
		2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
		2134
1638	=item cf::map::unique_maps	2135	=item cf::map::unique_maps
1639		2136
1640	Returns an arrayref of paths of all shared maps that have	2137	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2138	instantiated unique items. May block.
1642		2139
1643	=cut	2140	=cut
1644		2141
1645	sub unique_maps() {	2142	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2143	[
1647	or return;	2144	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2145	utf8::decode $_;
1653	next if /\.pst$/;	2146	/\.map$/
1654	next unless /^$PATH_SEP/o;	2147	? normalise $_
1655		2148	: ()
1656	push @paths, cf::map::normalise $_;	2149	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2150	]
1658
1659	\@paths
1660	}	2151	}
1661		2152
1662	package cf;	2153	package cf;
1663		2154
1664	=back	2155	=back
…		…
1710		2201
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2203
1713	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1715	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1718	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1719	}	2229	}
1720		2230
1721	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1722		2232
1723	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1771		2281
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2283
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1776		2286
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2288	}
1779		2289
1780	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1782		2294
1783	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1784		2296
1785	unless ($map) {	2297	unless ($map) {
1786	# restore original map position	2298	# restore original map position
…		…
1809		2321
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1812	}	2324	}
1813		2325
1814	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2327
1818	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1822	};	2332	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2333
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1849		2337
1850	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
		2340
		2341	# do generation counting so two concurrent goto's will be executed in-order
		2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2343
1853	$self->enter_link;	2344	$self->enter_link;
1854		2345
1855	(async {	2346	(async {
1856	my $map = eval {	2347	my $map = eval {
1857	my $map = cf::map::find $path;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
		2352	$map = $check->($map) if $check && $map;
		2353	} else {
		2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
		2356
1859	$map	2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2363	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1864	})->prio (1);	2371	})->prio (1);
1865	}	2372	}
1866		2373
1867	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1868		2375
…		…
1907		2414
1908	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1909		2416
1910	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2419	my $meta = "$RANDOMDIR/$md5.meta";
1913		2420
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2423	undef $fh;
1917	aio_rename "$meta~", $meta;	2424	aio_rename "$meta~", $meta;
…		…
1926		2433
1927	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1928		2435
1929	if ($exit->slaying eq "/!") {	2436	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2440	cf::sync_job { prepare_random_map $exit };
1932	}	2441	}
1933		2442
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2444	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2445	my $sp = $exit->stats->sp;
1937		2446
1938	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1939		2452
1940	(async {	2453	(async {
1941	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2455	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2456	$self->goto ($slaying, $hp, $sp);
1944		2457
1945	1;	2458	1;
1946	}) {	2459	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2462	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2464
1952	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2466	$self->leave_link;
1954	}	2467	}
1955	})->prio (1);	2468	})->prio (1);
…		…
1968		2481
1969	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1971		2484
1972	utf8::encode $text;	2485	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2487	}
1975		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1976		2569
1977	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1978		2571
1979	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2575
1983	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2577	become reliable at some point in the future.
1985		2578
1986	=cut	2579	=cut
1987		2580
1988	sub cf::client::query {	2581	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2590	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2592
2000	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
2002	}	2597	}
2003		2598
2004	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
2005	on_reply => sub {	2605	on_reply => sub {
2006	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
2007		2607
2008	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
2009	# get handled first	2609	# get handled first
…		…
2021	} else {	2621	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2623	}
2024	}	2624	}
2025	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
2026	);	2649	);
2027		2650
2028	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
2029		2652
2030	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
2073		2696
2074	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
2075		2698
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
2077		2704
2078	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2079		2706
2080	=pod	2707	=pod
2081		2708
2082	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2083		2710
2084	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
2085	cf::object::player player	2715	cf::object::player
2086	cf::player peaceful	2716	player
2087	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2088		2723
2089	=cut	2724	=cut
2090		2725
2091	for (	2726	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
2093	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2096	) {	2732	) {
2097	no strict 'refs';	2733	no strict 'refs';
…		…
2168	=back	2804	=back
2169		2805
2170	=cut	2806	=cut
2171		2807
2172	#############################################################################	2808	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2809	# the server's init and main functions
2246		2810
2247	sub init_resources {	2811	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2812	my ($path) = @_;
		2813
		2814	warn "loading facedata from $path\n";
		2815
		2816	my $facedata;
		2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
		2819
		2820	$facedata = Coro::Storable::thaw $facedata;
		2821
		2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2824
		2825	{
		2826	my $faces = $facedata->{faceinfo};
		2827
		2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2834
		2835	cf::cede_to_tick;
		2836	}
		2837
		2838	while (my ($face, $info) = each %$faces) {
		2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
2250	}	2970	}
2251		2971
2252	sub cfg_load {	2972	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	2974	or return;
2255		2975
2256	local $/;	2976	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2258		2978
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2986	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	2987	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	2988	};
2269	warn $@ if $@;	2989	warn $@ if $@;
2270	}	2990	}
2271	}
2272
2273	sub init {
2274	init_resources;
2275	}	2991	}
2276		2992
2277	sub main {	2993	sub main {
2278	# we must not ever block the main coroutine	2994	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	2995	local $Coro::idle = sub {
…		…
2307	},	3023	},
2308	);	3024	);
2309	}	3025	}
2310	}	3026	}
2311		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
2312	sub emergency_save() {	3066	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3067	my $freeze_guard = cf::freeze_mainloop;
2314		3068
2315	warn "enter emergency perl save\n";	3069	warn "enter emergency perl save\n";
2316		3070
…		…
2347		3101
2348	warn Carp::longmess "post_cleanup backtrace"	3102	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3103	if $make_core;
2350	}	3104	}
2351		3105
2352	sub reload() {	3106	sub do_reload_perl() {
2353	# can/must only be called in main	3107	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3109	warn "can only reload from main coroutine";
2356	return;	3110	return;
2357	}	3111	}
…		…
2382	Coro::cede;	3136	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3137	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3138	warn "iterate...";
2385	}	3139	}
2386		3140
		3141	++$RELOAD;
		3142
2387	warn "cancelling all extension coros";	3143	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3145	%EXT_CORO = ();
2390		3146
2391	warn "removing commands";	3147	warn "removing commands";
2392	%COMMAND = ();	3148	%COMMAND = ();
2393		3149
2394	warn "removing ext commands";	3150	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3151	%EXTCMD = ();
		3152	%EXTICMD = ();
2396		3153
2397	warn "unloading/nuking all extensions";	3154	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3155	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3156	warn "... unloading $pkg";
2400		3157
…		…
2430	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3189
2433	warn "unloading cf.pm \"a bit\"";	3190	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2435		3193
2436	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3195	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2439		3197
…		…
2448		3206
2449	warn "loading extensions";	3207	warn "loading extensions";
2450	cf::load_extensions;	3208	cf::load_extensions;
2451		3209
2452	warn "reattaching attachments to objects/players";	3210	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3211	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3212	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
2456		3214	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3215	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3216
2460	warn "leaving sync_job";	3217	warn "leaving sync_job";
2461		3218
2462	1	3219	1
2463	} or do {	3220	} or do {
…		…
2469	warn "reloaded";	3226	warn "reloaded";
2470	};	3227	};
2471		3228
2472	our $RELOAD_WATCHER; # used only during reload	3229	our $RELOAD_WATCHER; # used only during reload
2473		3230
		3231	sub reload_perl() {
		3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
		3234
		3235	$RELOAD_WATCHER ||= Event->timer (
		3236	reentrant => 0,
		3237	after => 0,
		3238	data => WF_AUTOCANCEL,
		3239	cb => sub {
		3240	do_reload_perl;
		3241	undef $RELOAD_WATCHER;
		3242	},
		3243	);
		3244	}
		3245
2474	register_command "reload" => sub {	3246	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2476		3248
2477	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3250	$who->message ("reloading server.");
2479		3251	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3252	}
2493	};	3253	};
2494		3254
2495	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2496		3256
2497	my $bug_warning = 0;	3257	my $bug_warning = 0;
2498		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3283	reentrant => 0,
2501	parked => 1,	3284	parked => 1,
2502	prio => 0,	3285	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3291	unless ++$bug_warning > 10;
2509	return;	3292	return;
2510	}	3293	}
2511		3294
2512	$NOW = Event::time;	3295	$NOW = $tick_start = Event::time;
2513		3296
2514	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2515	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2517		3324
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3328	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3329	or warn "ERROR: unable to write runtime file: $!";
2523	};	3330	};
2524	}	3331	}
2525		3332
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;	3333	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3334	# warn $AFTER - $NOW;#d#
2531		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
		3344
2532	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3347
2535	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2537	},	3357	},
2538	);	3358	);
2539		3359
2540	{	3360	{
2541	BDB::max_poll_time $TICK * 0.1;	3361	BDB::max_poll_time $TICK * 0.1;
…		…
2569		3389
2570	cf::sync_job {	3390	cf::sync_job {
2571	eval {	3391	eval {
2572	BDB::db_env_open	3392	BDB::db_env_open
2573	$DB_ENV,	3393	$DB_ENV,
2574	$BDB_ENV_DIR,	3394	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3397	0666;
2578		3398
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580		3400
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;	3402	$DB_ENV->set_lk_detect;
2583	};	3403	};
2584		3404
…		…
2600	prio => 6,	3420	prio => 6,
2601	cb => \&IO::AIO::poll_cb,	3421	cb => \&IO::AIO::poll_cb,
2602	);	3422	);
2603	}	3423	}
2604		3424
		3425	my $_log_backtrace;
		3426
		3427	sub _log_backtrace {
		3428	my ($msg, @addr) = @_;
		3429
		3430	$msg =~ s/\n//;
		3431
		3432	# limit the # of concurrent backtraces
		3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
		3460	}
		3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
		3465
2605	END { cf::emergency_save }	3466	END { cf::emergency_save }
2606		3467
2607	1	3468	1
2608		3469

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