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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 1.347 by root, Thu Aug 30 05:16:09 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 ();
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
…		…
237	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
244		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
248		290
…		…
266		308
267	Coro::guard {	309	Coro::guard {
268	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
270	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
271	}	319	}
272		320
273	sub freeze_mainloop {	321	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
275		323
…		…
278	};	326	};
279	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
280	$guard	328	$guard
281	}	329	}
282		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
283	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
284		388
285	Currently the same as Coro::async_pool, meaning you cannot use	389	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	390	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.	391	thing you are allowed to do is call C<prio> on it.
…		…
290		394
291	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
292		396
293	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
294		398
295	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
298		403
299	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
302	fast or be very important.	407	fast or be very important.
…		…
305		410
306	sub sync_job(&) {	411	sub sync_job(&) {
307	my ($job) = @_;	412	my ($job) = @_;
308		413
309	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
310	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
312		419
313	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
325		432
326	while ($busy) {	433	while ($busy) {
327	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
328	}	435	}
329		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
330	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
331	} else {	445	} else {
332	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
333		447
334	$job->()	448	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
354		468
355	$coro	469	$coro
356	}	470	}
357		471
358	sub write_runtime {	472	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		473
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
362	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
363		478
364	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		480
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
369	and return;	482	my ($cb, @args) = @_;
370		483
371	# always fsync - this file is important	484	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	485	# otherwise perl prematurely frees the stuff :/
373	and return;	486	# TODO: investigate and fix (liekly this will be rather laborious)
374		487
375	close $fh	488	my @res = Coro::Util::fork_eval {
376	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
377		492
378	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
379	and return;	494	}
380		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
381	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	621	}
383		622
384	=back	623	=back
385		624
386	=cut	625	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
395		634
396	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	637	Crossfire TRT).
399		638
400	=over 4	639	=over 4
401		640
402	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
403		642
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
567		806
568	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		811
573	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	813	my $pkg = shift @arg;
575		814
576	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
606	}	845	}
607		846
608	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
609	} else {	848	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	850	}
612		851
613	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
614	}	853	}
615		854
…		…
617	if (ref $_[0]) {	856	if (ref $_[0]) {
618	_object_attach @_;	857	_object_attach @_;
619	} else {	858	} else {
620	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
621	}	860	}
		861	_recalc_want;
622	};	862	};
623		863
624	# all those should be optimised	864	# all those should be optimised
625	sub cf::attachable::detach {	865	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
630	reattach ($obj);	870	reattach ($obj);
631	} else {	871	} else {
632	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
633	}	873	}
		874	_recalc_want;
634	};	875	};
635		876
636	sub cf::attachable::attached {	877	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
638		879
…		…
653	";	894	";
654	die if $@;	895	die if $@;
655	}	896	}
656		897
657	our $override;	898	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		900
660	sub override {	901	sub override {
661	$override = 1;	902	$override = 1;
662	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
663	}	904	}
664		905
665	sub do_invoke {	906	sub do_invoke {
666	my $event = shift;	907	my $event = shift;
667	my $callbacks = shift;	908	my $callbacks = shift;
668		909
669	@invoke_results = ();	910	@INVOKE_RESULTS = ();
670		911
671	local $override;	912	local $override;
672		913
673	for (@$callbacks) {	914	for (@$callbacks) {
674	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
691		932
692	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
693		934
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		938
698	=back	939	=back
699		940
700	=cut	941	=cut
701		942
702	#############################################################################	943	#############################################################################
703	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
704		956
705	sub reattach {	957	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	959	my ($obj) = @_;
708		960
…		…
811	or return;	1063	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1065	}
814		1066
815	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1069	return ($data, $av);
818	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
819		1077
820	#############################################################################	1078	#############################################################################
821	# command handling &c	1079	# command handling &c
822		1080
823	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1095	}
838		1096
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1098
841	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
842		1104
843	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
844	called.	1106	called.
845		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
846	=cut	1119	=cut
847		1120
848	sub register_extcmd {	1121	sub register_extcmd {
849	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
850		1123
851	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
852	}	1131	}
853		1132
854	cf::player->attach (	1133	cf::player->attach (
855	on_command => sub {	1134	on_command => sub {
856	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1144	cf::override;
866	},	1145	},
867	on_extcmd => sub {	1146	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
869		1148
870	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1150
872	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
878	} else {	1166	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1168	}
881		1169
882	cf::override;	1170	cf::override;
883	},	1171	},
884	);	1172	);
885		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
921	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1179	next unless -r $path;
923	eval {	1180
924	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
925	1	1238	}
926	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
927	}	1244	};
928	}	1245	}
929		1246
930	#############################################################################	1247	#############################################################################
931		1248
		1249	=back
		1250
932	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
933		1252
934	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
935		1254
936	=cut	1255	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
949		1268
950	=cut	1269	=cut
951		1270
952	sub playerdir($) {	1271	sub playerdir($) {
953	cf::localdir	1272	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1274	}
959		1275
960	sub path($) {	1276	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1278
963	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
964	}	1280	}
965		1281
966	sub find_active($) {	1282	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1297	my $login = $_[0];
982		1298
983	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
984		1300
985	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
986	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
987	or return;	1310	or return;
988	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
989	}	1312	}
990	}	1313	}
…		…
1002		1325
1003	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1005		1328
1006	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1007	Coro::cede;	1330	cf::cede_to_tick;
1008	}	1331	}
1009		1332
1010	sub new($) {	1333	sub new($) {
1011	my ($login) = @_;	1334	my ($login) = @_;
1012		1335
…		…
1018	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1019		1342
1020	$self	1343	$self
1021	}	1344	}
1022		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1023	=item $pl->quit_character	1356	=item $pl->quit_character
1024		1357
1025	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1027		1360
1028	=cut	1361	=cut
1029		1362
1030	sub quit_character {	1363	sub quit_character {
1031	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1032		1367
1033	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1370
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1046	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1047	}	1402	}
1048		1403
1049	=item cf::player::list_logins	1404	=item cf::player::list_logins
1050		1405
1051	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1053		1408
1054	=cut	1409	=cut
1055		1410
1056	sub list_logins {	1411	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1413	or return [];
1059		1414
1060	my @logins;	1415	my @logins;
1061		1416
1062	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1097	}	1452	}
1098		1453
1099	\@paths	1454	\@paths
1100	}	1455	}
1101		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1103		1508
1104	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1105		1510
1106	=cut	1511	=cut
1107		1512
1108	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1110		1515
1111	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1517	}
1115		1518
1116	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1402	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1403		1859
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1405		1861
1406	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1407		1863
1408	$self->alloc;	1864	$self->alloc;
1409		1865
1410	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1411		1868
1412	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1413	or return;	1870	or return;
1414		1871
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	1873	if delete $self->{load_original};
1417		1874
1418	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	1876	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1421	$self->clear_unique_items;	1878	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1423	}	1880	}
1424	}	1881	}
1425		1882
1426	Coro::cede;	1883	cf::cede_to_tick;
1427
1428	# now do the right thing for maps	1884	# now do the right thing for maps
1429	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1887	unless $self->difficulty;
1439	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1440	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1904	}
1442		1905
1443	$self->post_load;	1906	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1907	}
1447		1908
1448	sub customise_for {	1909	sub customise_for {
1449	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1450		1911
1451	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1913	if $self->per_player;
1453		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1454	$self	1918	$self
1455	}	1919	}
1456		1920
1457	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	1922	sub load_neighbours {
1459	my ($map) = @_;	1923	my ($map) = @_;
1460		1924
1461	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1462		1926
1463	for (0 .. 3) {	1927	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1465	or next;	1929	or next;
1466	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1467	or next;	1931	or next;
1468	$neigh->load;	1932	$neigh->load;
1469		1933
		1934	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	1937	}
1473		1938
1474	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1476	or next;	1942	or next;
1477	$neigh->load;	1943	$neigh->load;
1478	}	1944	}
1479	}	1945	}
1480		1946
…		…
1485	}	1951	}
1486		1952
1487	sub do_load_sync {	1953	sub do_load_sync {
1488	my ($map) = @_;	1954	my ($map) = @_;
1489		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1490	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1491	}	1960	}
1492		1961
1493	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1495		1964
1496	sub find_async {	1965	sub find_async {
1497	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1498		1967
1499	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1500		1969
1501	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	1972	}
1504		1973
1505	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1506	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	1979	if (my $map = find $k) {
1510	or next;
1511	$map->load;	1980	$map->load if $v;
		1981	}
1512		1982
1513	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1514	}	1984	}
1515	}	1985	}
1516	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1517	};	1987	};
1518	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1521	}	1991	}
1522		1992
1523	sub save {	1993	sub save {
1524	my ($self) = @_;	1994	my ($self) = @_;
1525		1995
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		1997
1528	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1529		1999
1530	return unless $self->dirty;	2000	return unless $self->dirty;
1531		2001
…		…
1554	my ($self) = @_;	2024	my ($self) = @_;
1555		2025
1556	# save first because save cedes	2026	# save first because save cedes
1557	$self->save;	2027	$self->save;
1558		2028
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2030
1561	return if $self->players;	2031	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2033	return if $self->{deny_save};
1564		2034
…		…
1568		2038
1569	sub reset_at {	2039	sub reset_at {
1570	my ($self) = @_;	2040	my ($self) = @_;
1571		2041
1572	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1575		2044
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2047
…		…
1589	my ($self) = @_;	2058	my ($self) = @_;
1590		2059
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2061
1593	return if $self->players;	2062	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2063
1596	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1597		2065
1598	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1599		2067
1600	# need to save uniques path	2068	# need to save uniques path
1601	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1633	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1634		2102
1635	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1636	}	2104	}
1637		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1638	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1639		2143
1640	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2145	instantiated unique items. May block.
1642		2146
1643	=cut	2147	=cut
1644		2148
1645	sub unique_maps() {	2149	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1647	or return;	2151	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2152	utf8::decode $_;
1653	next if /\.pst$/;	2153	/\.map$/
1654	next unless /^$PATH_SEP/o;	2154	? normalise $_
1655		2155	: ()
1656	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2157	]
1658
1659	\@paths
1660	}	2158	}
1661		2159
1662	package cf;	2160	package cf;
1663		2161
1664	=back	2162	=back
…		…
1710		2208
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2210
1713	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1715	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1718	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1719	}	2236	}
1720		2237
1721	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1722		2239
1723	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1771		2288
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2290
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1776		2293
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2295	}
1779		2296
1780	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1782		2301
1783	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1784		2303
1785	unless ($map) {	2304	unless ($map) {
1786	# restore original map position	2305	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1803		2322
1804	$map->load;	2323	$map->load;
1805	$map->load_diag;	2324	$map->load_neighbours;
1806		2325
1807	return unless $self->contr->active;	2326	return unless $self->contr->active;
1808	$self->activate_recursive;	2327	$self->activate_recursive;
1809		2328
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1812	}	2331	}
1813		2332
1814	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2334
1818	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1822	};	2339	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2340
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	2341	=cut
		2342
		2343	our $GOTOGEN;
1849		2344
1850	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2350
1853	$self->enter_link;	2351	$self->enter_link;
1854		2352
1855	(async {	2353	(async {
1856	my $map = eval {	2354	my $map = eval {
1857	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
		2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
		2363
1859	$map	2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2370	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1864	})->prio (1);	2378	})->prio (1);
1865	}	2379	}
1866		2380
1867	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1868		2382
…		…
1907		2421
1908	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1909		2423
1910	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2426	my $meta = "$RANDOMDIR/$md5.meta";
1913		2427
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2430	undef $fh;
1917	aio_rename "$meta~", $meta;	2431	aio_rename "$meta~", $meta;
…		…
1926		2440
1927	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1928		2442
1929	if ($exit->slaying eq "/!") {	2443	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2447	cf::sync_job { prepare_random_map $exit };
1932	}	2448	}
1933		2449
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
1937		2453
1938	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1939		2459
1940	(async {	2460	(async {
1941	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2462	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
1944		2464
1945	1;	2465	1;
1946	}) {	2466	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2471
1952	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2473	$self->leave_link;
1954	}	2474	}
1955	})->prio (1);	2475	})->prio (1);
…		…
1968		2488
1969	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1971		2491
1972	utf8::encode $text;	2492	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2494	}
1975		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1976		2592
1977	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1978		2594
1979	Queues a query to the client, calling the given callback with	2595	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>,	2596	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>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2598
1983	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2600	become reliable at some point in the future.
1985		2601
1986	=cut	2602	=cut
1987		2603
1988	sub cf::client::query {	2604	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2613	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2615
2000	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
2002	}	2620	}
2003		2621
2004	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
2005	on_reply => sub {	2628	on_reply => sub {
2006	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
2007		2630
2008	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2009	# get handled first	2632	# get handled first
…		…
2021	} else {	2644	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2646	}
2024	}	2647	}
2025	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2026	);	2675	);
2027		2676
2028	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2029		2678
2030	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2073		2722
2074	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2075		2724
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2077		2730
2078	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2079		2732
2080	=pod	2733	=pod
2081		2734
2082	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2083		2736
2084	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2085	cf::object::player player	2741	cf::object::player
2086	cf::player peaceful	2742	player
2087	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2088		2749
2089	=cut	2750	=cut
2090		2751
2091	for (	2752	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2093	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2096	) {	2759	) {
2097	no strict 'refs';	2760	no strict 'refs';
…		…
2168	=back	2831	=back
2169		2832
2170	=cut	2833	=cut
2171		2834
2172	#############################################################################	2835	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$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 $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2836	# the server's init and main functions
2246		2837
2247	sub init_resources {	2838	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2839	my ($path) = @_;
		2840
		2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2842
		2843	warn "loading facedata from $path\n";
		2844
		2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
		2848
		2849	$facedata = Coro::Storable::thaw $facedata;
		2850
		2851	$facedata->{version} == 2
		2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2853
		2854	# patch in the exptable
		2855	$facedata->{resource}{"res/exp_table"} = {
		2856	type => FT_RSRC,
		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2858	};
		2859	cf::cede_to_tick;
		2860
		2861	{
		2862	my $faces = $facedata->{faceinfo};
		2863
		2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2870
		2871	cf::cede_to_tick;
		2872	}
		2873
		2874	while (my ($face, $info) = each %$faces) {
		2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	2962	or die "unable to load regions file\n";
2250	}
2251		2963
2252	sub cfg_load {	2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3008	or return;
2255		3009
2256	local $/;	3010	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
2258		3012
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3020	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3021	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3022	};
2269	warn $@ if $@;	3023	warn $@ if $@;
2270	}	3024	}
2271	}
2272
2273	sub init {
2274	init_resources;
2275	}	3025	}
2276		3026
2277	sub main {	3027	sub main {
2278	# we must not ever block the main coroutine	3028	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3029	local $Coro::idle = sub {
…		…
2281	(async {	3031	(async {
2282	Event::one_event;	3032	Event::one_event;
2283	})->prio (Coro::PRIO_MAX);	3033	})->prio (Coro::PRIO_MAX);
2284	};	3034	};
2285		3035
2286	cfg_load;	3036	reload_config;
2287	db_init;	3037	db_init;
2288	load_extensions;	3038	load_extensions;
2289		3039
2290	$TICK_WATCHER->start;	3040	$TICK_WATCHER->start;
2291	Event::loop;	3041	Event::loop;
…		…
2307	},	3057	},
2308	);	3058	);
2309	}	3059	}
2310	}	3060	}
2311		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2312	sub emergency_save() {	3100	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2314		3102
2315	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2316		3104
…		…
2347		3135
2348	warn Carp::longmess "post_cleanup backtrace"	3136	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3137	if $make_core;
2350	}	3138	}
2351		3139
2352	sub reload() {	3140	sub do_reload_perl() {
2353	# can/must only be called in main	3141	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3143	warn "can only reload from main coroutine";
2356	return;	3144	return;
2357	}	3145	}
…		…
2382	Coro::cede;	3170	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3171	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3172	warn "iterate...";
2385	}	3173	}
2386		3174
		3175	++$RELOAD;
		3176
2387	warn "cancelling all extension coros";	3177	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3179	%EXT_CORO = ();
2390		3180
2391	warn "removing commands";	3181	warn "removing commands";
2392	%COMMAND = ();	3182	%COMMAND = ();
2393		3183
2394	warn "removing ext commands";	3184	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2396		3187
2397	warn "unloading/nuking all extensions";	3188	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2400		3191
…		…
2430	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3223
2433	warn "unloading cf.pm \"a bit\"";	3224	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
2435		3227
2436	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3229	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
2439		3231
…		…
2442	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2443	require cf;	3235	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3237
2446	warn "loading config and database again";	3238	warn "loading config and database again";
2447	cf::cfg_load;	3239	cf::reload_config;
2448		3240
2449	warn "loading extensions";	3241	warn "loading extensions";
2450	cf::load_extensions;	3242	cf::load_extensions;
2451		3243
2452	warn "reattaching attachments to objects/players";	3244	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3245	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3246	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3247	reattach $_ for values %MAP;
2456		3248	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3249	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3250
2460	warn "leaving sync_job";	3251	warn "leaving sync_job";
2461		3252
2462	1	3253	1
2463	} or do {	3254	} or do {
…		…
2469	warn "reloaded";	3260	warn "reloaded";
2470	};	3261	};
2471		3262
2472	our $RELOAD_WATCHER; # used only during reload	3263	our $RELOAD_WATCHER; # used only during reload
2473		3264
		3265	sub reload_perl() {
		3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
		3268
		3269	$RELOAD_WATCHER ||= Event->timer (
		3270	reentrant => 0,
		3271	after => 0,
		3272	data => WF_AUTOCANCEL,
		3273	cb => sub {
		3274	do_reload_perl;
		3275	undef $RELOAD_WATCHER;
		3276	},
		3277	);
		3278	}
		3279
2474	register_command "reload" => sub {	3280	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
2476		3282
2477	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3284	$who->message ("reloading server.");
2479		3285	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	}	3286	}
2493	};	3287	};
2494		3288
2495	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
2496		3290
2497	my $bug_warning = 0;	3291	my $bug_warning = 0;
2498		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3317	reentrant => 0,
2501	parked => 1,	3318	parked => 1,
2502	prio => 0,	3319	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3325	unless ++$bug_warning > 10;
2509	return;	3326	return;
2510	}	3327	}
2511		3328
2512	$NOW = Event::time;	3329	$NOW = $tick_start = Event::time;
2513		3330
2514	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
		3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3354	};
		3355
2515	$RUNTIME += $TICK;	3356	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2517		3358
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3362	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3363	or warn "ERROR: unable to write runtime file: $!";
2523	};	3364	};
2524	}	3365	}
2525		3366
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;	3367	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3368	# warn $AFTER - $NOW;#d#
2531		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
		3378
2532	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3381
2535	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
2537	},	3391	},
2538	);	3392	);
2539		3393
2540	{	3394	{
2541	BDB::max_poll_time $TICK * 0.1;	3395	BDB::max_poll_time $TICK * 0.1;
…		…
2569		3423
2570	cf::sync_job {	3424	cf::sync_job {
2571	eval {	3425	eval {
2572	BDB::db_env_open	3426	BDB::db_env_open
2573	$DB_ENV,	3427	$DB_ENV,
2574	$BDB_ENV_DIR,	3428	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3431	0666;
2578		3432
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580		3434
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;	3436	$DB_ENV->set_lk_detect;
2583	};	3437	};
2584		3438
…		…
2600	prio => 6,	3454	prio => 6,
2601	cb => \&IO::AIO::poll_cb,	3455	cb => \&IO::AIO::poll_cb,
2602	);	3456	);
2603	}	3457	}
2604		3458
		3459	my $_log_backtrace;
		3460
		3461	sub _log_backtrace {
		3462	my ($msg, @addr) = @_;
		3463
		3464	$msg =~ s/\n//;
		3465
		3466	# limit the # of concurrent backtraces
		3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
		3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
		3494	}
		3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
		3499
2605	END { cf::emergency_save }	3500	END { cf::emergency_save }
2606		3501
2607	1	3502	1
2608		3503

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