ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.342 by root, Sun Aug 26 15:31:02 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
		1154	my @reply;
		1155
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
878	} else {	1163	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1165	}
881		1166
882	cf::override;	1167	cf::override;
883	},	1168	},
884	);	1169	);
885		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
921	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1176	next unless -r $path;
923	eval {	1177
924	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;
925	1	1235	}
926	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
927	}	1241	};
928	}	1242	}
929		1243
930	#############################################################################	1244	#############################################################################
931		1245
		1246	=back
		1247
932	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
933		1249
934	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
935		1251
936	=cut	1252	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
949		1265
950	=cut	1266	=cut
951		1267
952	sub playerdir($) {	1268	sub playerdir($) {
953	cf::localdir	1269	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1271	}
959		1272
960	sub path($) {	1273	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1275
963	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
964	}	1277	}
965		1278
966	sub find_active($) {	1279	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1294	my $login = $_[0];
982		1295
983	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
984		1297
985	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
986	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
987	or return;	1307	or return;
988	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
989	}	1309	}
990	}	1310	}
…		…
1018	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1019		1339
1020	$self	1340	$self
1021	}	1341	}
1022		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
1023	=item $pl->quit_character	1353	=item $pl->quit_character
1024		1354
1025	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
1026	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1027		1357
1028	=cut	1358	=cut
1029		1359
1030	sub quit_character {	1360	sub quit_character {
1031	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1032		1364
1033	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1367
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1046	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1047	}	1399	}
1048		1400
1049	=item cf::player::list_logins	1401	=item cf::player::list_logins
1050		1402
1051	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1053		1405
1054	=cut	1406	=cut
1055		1407
1056	sub list_logins {	1408	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1410	or return [];
1059		1411
1060	my @logins;	1412	my @logins;
1061		1413
1062	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1097	}	1449	}
1098		1450
1099	\@paths	1451	\@paths
1100	}	1452	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1103		1505
1104	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1105		1507
1106	=cut	1508	=cut
1107		1509
1108	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1110		1512
1111	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1514	}
1115		1515
1116	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		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	$match
		1555	}
1117		1556
1118	=back	1557	=back
1119
1120		1558
1121	=head3 cf::map	1559	=head3 cf::map
1122		1560
1123	=over 4	1561	=over 4
1124		1562
…		…
1179	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1180		1618
1181	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1182	local $self->{path};	1620	local $self->{path};
1183	local $self->{load_path};	1621	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1622
1187	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1188	}	1624	}
1189		1625
1190	sub normalise {	1626	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1238	return $self;	1674	return $self;
1239	}	1675	}
1240	}	1676	}
1241		1677
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1679	()
1244	}	1680	}
1245		1681
1246	sub init {	1682	sub init {
1247	my ($self) = @_;	1683	my ($self) = @_;
…		…
1262		1698
1263	# the original (read-only) location	1699	# the original (read-only) location
1264	sub load_path {	1700	sub load_path {
1265	my ($self) = @_;	1701	my ($self) = @_;
1266		1702
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1268	}	1704	}
1269		1705
1270	# the temporary/swap location	1706	# the temporary/swap location
1271	sub save_path {	1707	sub save_path {
1272	my ($self) = @_;	1708	my ($self) = @_;
1273		1709
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1276	}	1712	}
1277		1713
1278	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1279	sub uniq_path {	1715	sub uniq_path {
1280	my ($self) = @_;	1716	my ($self) = @_;
1281		1717
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1284	}	1720	}
1285		1721
1286	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1287	# all maps in C++...	1723	# all maps in C++...
1288	sub change_all_map_light {	1724	sub change_all_map_light {
1289	my ($change) = @_;	1725	my ($change) = @_;
1290		1726
1291	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1292	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	$self->do_decay_objects;
1293	}	1737	}
1294		1738
1295	sub unlink_save {	1739	sub unlink_save {
1296	my ($self) = @_;	1740	my ($self) = @_;
1297		1741
…		…
1355	$self->load_header_orig	1799	$self->load_header_orig
1356	or return;	1800	or return;
1357	$self->prepare_orig;	1801	$self->prepare_orig;
1358	}	1802	}
1359		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
1360	1	1810	1
1361	}	1811	}
1362		1812
1363	sub find;	1813	sub find;
1364	sub find {	1814	sub find {
…		…
1376	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1377		1827
1378	$map->load_header	1828	$map->load_header
1379	or return;	1829	or return;
1380		1830
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1384	$map->reset;	1834	$map->reset;
1385	undef $guard;	1835	undef $guard;
1386	return find $path;	1836	return find $path;
…		…
1397	my ($self) = @_;	1847	my ($self) = @_;
1398		1848
1399	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1400		1850
1401	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1403		1855
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1405		1857
1406	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1407		1859
1408	$self->alloc;	1860	$self->alloc;
1409		1861
1410	$self->pre_load;	1862	$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;	1863	Coro::cede;
1436	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1437	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1883	unless $self->difficulty;
1439	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1440	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1900	}
1442		1901
1443	$self->post_load;	1902	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1903	}
1447		1904
1448	sub customise_for {	1905	sub customise_for {
1449	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1450		1907
1451	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1909	if $self->per_player;
1453		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1454	$self	1914	$self
1455	}	1915	}
1456		1916
1457	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	1918	sub load_neighbours {
1459	my ($map) = @_;	1919	my ($map) = @_;
1460		1920
1461	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1462		1922
1463	for (0 .. 3) {	1923	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1465	or next;	1925	or next;
1466	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1467	or next;	1927	or next;
1468	$neigh->load;	1928	$neigh->load;
1469		1929
		1930	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	1933	}
1473		1934
1474	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1476	or next;	1938	or next;
1477	$neigh->load;	1939	$neigh->load;
1478	}	1940	}
1479	}	1941	}
1480		1942
…		…
1485	}	1947	}
1486		1948
1487	sub do_load_sync {	1949	sub do_load_sync {
1488	my ($map) = @_;	1950	my ($map) = @_;
1489		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1490	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1491	}	1956	}
1492		1957
1493	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1495		1960
1496	sub find_async {	1961	sub find_async {
1497	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1498		1963
1499	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1500		1965
1501	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	1968	}
1504		1969
1505	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1506	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	1975	if (my $map = find $k) {
1510	or next;
1511	$map->load;	1976	$map->load if $v;
		1977	}
1512		1978
1513	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1514	}	1980	}
1515	}	1981	}
1516	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1517	};	1983	};
1518	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1568		2034
1569	sub reset_at {	2035	sub reset_at {
1570	my ($self) = @_;	2036	my ($self) = @_;
1571		2037
1572	# TODO: safety, remove and allow resettable per-player maps	2038	# 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};	2039	return 1e99 if $self->{deny_reset};
1575		2040
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2043
…		…
1589	my ($self) = @_;	2054	my ($self) = @_;
1590		2055
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2057
1593	return if $self->players;	2058	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2059
1596	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1597		2061
1598	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1599		2063
1600	# need to save uniques path	2064	# need to save uniques path
1601	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1633	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1634		2098
1635	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1636	}	2100	}
1637		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1638	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1639		2139
1640	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2141	instantiated unique items. May block.
1642		2142
1643	=cut	2143	=cut
1644		2144
1645	sub unique_maps() {	2145	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1647	or return;	2147	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2148	utf8::decode $_;
1653	next if /\.pst$/;	2149	/\.map$/
1654	next unless /^$PATH_SEP/o;	2150	? normalise $_
1655		2151	: ()
1656	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2153	]
1658
1659	\@paths
1660	}	2154	}
1661		2155
1662	package cf;	2156	package cf;
1663		2157
1664	=back	2158	=back
…		…
1710		2204
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2206
1713	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1715	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1718	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1719	}	2232	}
1720		2233
1721	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1722		2235
1723	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1771		2284
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2286
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1776		2289
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2291	}
1779		2292
1780	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1782		2297
1783	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1784		2299
1785	unless ($map) {	2300	unless ($map) {
1786	# restore original map position	2301	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1803		2318
1804	$map->load;	2319	$map->load;
1805	$map->load_diag;	2320	$map->load_neighbours;
1806		2321
1807	return unless $self->contr->active;	2322	return unless $self->contr->active;
1808	$self->activate_recursive;	2323	$self->activate_recursive;
1809		2324
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1812	}	2327	}
1813		2328
1814	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2330
1818	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1822	};	2335	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2336
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	2337	=cut
		2338
		2339	our $GOTOGEN;
1849		2340
1850	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2346
1853	$self->enter_link;	2347	$self->enter_link;
1854		2348
1855	(async {	2349	(async {
1856	my $map = eval {	2350	my $map = eval {
1857	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1859	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2366	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1864	})->prio (1);	2374	})->prio (1);
1865	}	2375	}
1866		2376
1867	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1868		2378
…		…
1907		2417
1908	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1909		2419
1910	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1913		2423
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2426	undef $fh;
1917	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
1926		2436
1927	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1928		2438
1929	if ($exit->slaying eq "/!") {	2439	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2443	cf::sync_job { prepare_random_map $exit };
1932	}	2444	}
1933		2445
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
1937		2449
1938	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1939		2455
1940	(async {	2456	(async {
1941	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2458	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
1944		2460
1945	1;	2461	1;
1946	}) {	2462	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2467
1952	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2469	$self->leave_link;
1954	}	2470	}
1955	})->prio (1);	2471	})->prio (1);
…		…
1968		2484
1969	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1971		2487
1972	utf8::encode $text;	2488	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2490	}
1975		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1976		2590
1977	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1978		2592
1979	Queues a query to the client, calling the given callback with	2593	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>,	2594	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>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2596
1983	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2598	become reliable at some point in the future.
1985		2599
1986	=cut	2600	=cut
1987		2601
1988	sub cf::client::query {	2602	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2611	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2613
2000	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
2002	}	2618	}
2003		2619
2004	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
2005	on_reply => sub {	2626	on_reply => sub {
2006	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
2007		2628
2008	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
2009	# get handled first	2630	# get handled first
…		…
2021	} else {	2642	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2644	}
2024	}	2645	}
2025	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
2026	);	2673	);
2027		2674
2028	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
2029		2676
2030	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
2073		2720
2074	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2075		2722
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2077		2728
2078	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2079		2730
2080	=pod	2731	=pod
2081		2732
2082	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2083		2734
2084	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2085	cf::object::player player	2739	cf::object::player
2086	cf::player peaceful	2740	player
2087	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2088		2747
2089	=cut	2748	=cut
2090		2749
2091	for (	2750	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2093	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2096	) {	2757	) {
2097	no strict 'refs';	2758	no strict 'refs';
…		…
2168	=back	2829	=back
2169		2830
2170	=cut	2831	=cut
2171		2832
2172	#############################################################################	2833	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$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 $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2834	# the server's init and main functions
2246		2835
2247	sub load_resources {	2836	sub load_facedata($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2837	my ($path) = @_;
		2838
		2839	my $enc = JSON::XS->new->utf8->canonical;
		2840
		2841	warn "loading facedata from $path\n";
		2842
		2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
		2846
		2847	$facedata = Coro::Storable::thaw $facedata;
		2848
		2849	$facedata->{version} == 2
		2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2851
		2852	# patch in the exptable
		2853	$facedata->{resource}{"res/exp_table"} = {
		2854	type => FT_RSRC,
		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2856	};
		2857	cf::cede_to_tick;
		2858
		2859	{
		2860	my $faces = $facedata->{faceinfo};
		2861
		2862	while (my ($face, $info) = each %$faces) {
		2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2864	cf::face::set_visibility $idx, $info->{visibility};
		2865	cf::face::set_magicmap $idx, $info->{magicmap};
		2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	while (my ($face, $info) = each %$faces) {
		2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
2250	}	3002	}
2251		3003
2252	sub cfg_load {	3004	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3006	or return;
2255		3007
2256	local $/;	3008	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2258		3010
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3018	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3019	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3020	};
2269	warn $@ if $@;	3021	warn $@ if $@;
2270	}	3022	}
2271	}
2272
2273	sub init {
2274	load_resources;
2275	}	3023	}
2276		3024
2277	sub main {	3025	sub main {
2278	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
…		…
2307	},	3055	},
2308	);	3056	);
2309	}	3057	}
2310	}	3058	}
2311		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
2312	sub emergency_save() {	3098	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2314		3100
2315	warn "enter emergency perl save\n";	3101	warn "enter emergency perl save\n";
2316		3102
…		…
2347		3133
2348	warn Carp::longmess "post_cleanup backtrace"	3134	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3135	if $make_core;
2350	}	3136	}
2351		3137
2352	sub reload() {	3138	sub do_reload_perl() {
2353	# can/must only be called in main	3139	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3141	warn "can only reload from main coroutine";
2356	return;	3142	return;
2357	}	3143	}
…		…
2382	Coro::cede;	3168	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3169	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3170	warn "iterate...";
2385	}	3171	}
2386		3172
		3173	++$RELOAD;
		3174
2387	warn "cancelling all extension coros";	3175	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3177	%EXT_CORO = ();
2390		3178
2391	warn "removing commands";	3179	warn "removing commands";
2392	%COMMAND = ();	3180	%COMMAND = ();
2393		3181
2394	warn "removing ext commands";	3182	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2396		3185
2397	warn "unloading/nuking all extensions";	3186	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3188	warn "... unloading $pkg";
2400		3189
…		…
2430	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3221
2433	warn "unloading cf.pm \"a bit\"";	3222	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2435		3225
2436	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3227	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2439		3229
…		…
2448		3238
2449	warn "loading extensions";	3239	warn "loading extensions";
2450	cf::load_extensions;	3240	cf::load_extensions;
2451		3241
2452	warn "reattaching attachments to objects/players";	3242	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3243	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3244	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3245	reattach $_ for values %MAP;
2456		3246	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3247	reattach $_ for values %PLAYER;
2458	load_resources;
2459		3248
2460	warn "leaving sync_job";	3249	warn "leaving sync_job";
2461		3250
2462	1	3251	1
2463	} or do {	3252	} or do {
…		…
2469	warn "reloaded";	3258	warn "reloaded";
2470	};	3259	};
2471		3260
2472	our $RELOAD_WATCHER; # used only during reload	3261	our $RELOAD_WATCHER; # used only during reload
2473		3262
		3263	sub reload_perl() {
		3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
		3266
		3267	$RELOAD_WATCHER ||= Event->timer (
		3268	reentrant => 0,
		3269	after => 0,
		3270	data => WF_AUTOCANCEL,
		3271	cb => sub {
		3272	do_reload_perl;
		3273	undef $RELOAD_WATCHER;
		3274	},
		3275	);
		3276	}
		3277
2474	register_command "reload" => sub {	3278	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2476		3280
2477	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3282	$who->message ("reloading server.");
2479		3283	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	}	3284	}
2493	};	3285	};
2494		3286
2495	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2496		3288
2497	my $bug_warning = 0;	3289	my $bug_warning = 0;
2498		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3315	reentrant => 0,
2501	parked => 1,	3316	parked => 1,
2502	prio => 0,	3317	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3323	unless ++$bug_warning > 10;
2509	return;	3324	return;
2510	}	3325	}
2511		3326
2512	$NOW = Event::time;	3327	$NOW = $tick_start = Event::time;
2513		3328
2514	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2515	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2517		3356
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3360	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3361	or warn "ERROR: unable to write runtime file: $!";
2523	};	3362	};
2524	}	3363	}
2525		3364
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;	3365	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#	3366	# warn $AFTER - $NOW;#d#
2532		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
		3376
2533	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2535		3379
2536	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2538	},	3389	},
2539	);	3390	);
2540		3391
2541	{	3392	{
2542	BDB::max_poll_time $TICK * 0.1;	3393	BDB::max_poll_time $TICK * 0.1;
…		…
2570		3421
2571	cf::sync_job {	3422	cf::sync_job {
2572	eval {	3423	eval {
2573	BDB::db_env_open	3424	BDB::db_env_open
2574	$DB_ENV,	3425	$DB_ENV,
2575	$BDB_ENV_DIR,	3426	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3429	0666;
2579		3430
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581		3432
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;	3434	$DB_ENV->set_lk_detect;
2584	};	3435	};
2585		3436
…		…
2601	prio => 6,	3452	prio => 6,
2602	cb => \&IO::AIO::poll_cb,	3453	cb => \&IO::AIO::poll_cb,
2603	);	3454	);
2604	}	3455	}
2605		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
		3497
2606	END { cf::emergency_save }	3498	END { cf::emergency_save }
2607		3499
2608	1	3500	1
2609		3501

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines