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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.348 by root, Thu Aug 30 08:34:40 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 3.3 ();	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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	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.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	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
231	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.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		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;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	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)
286	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
287	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.
288		403
289	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
290	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
291	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
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		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
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	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.
353		478
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		480
358	aio_fsync $fh	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	close $fh	484	# we seemingly have to make a local copy of the whole thing,
362	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
363		487
364	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
365	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
		493	wantarray ? @res : $res[-1]
		494	}
		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	};
367	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 });
368	}	621	}
369		622
370	=back	623	=back
371		624
372	=cut	625	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
381		634
382	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>
383	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
384	crossfire+).	637	Crossfire TRT).
385		638
386	=over 4	639	=over 4
387		640
388	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
389		642
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
553		806
554	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		811
559	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	813	my $pkg = shift @arg;
561		814
562	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
592	}	845	}
593		846
594	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
595	} else {	848	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	850	}
598		851
599	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
600	}	853	}
601		854
…		…
603	if (ref $_[0]) {	856	if (ref $_[0]) {
604	_object_attach @_;	857	_object_attach @_;
605	} else {	858	} else {
606	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
607	}	860	}
		861	_recalc_want;
608	};	862	};
609		863
610	# all those should be optimised	864	# all those should be optimised
611	sub cf::attachable::detach {	865	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
616	reattach ($obj);	870	reattach ($obj);
617	} else {	871	} else {
618	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
619	}	873	}
		874	_recalc_want;
620	};	875	};
621		876
622	sub cf::attachable::attached {	877	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
624		879
…		…
639	";	894	";
640	die if $@;	895	die if $@;
641	}	896	}
642		897
643	our $override;	898	our $override;
644	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?
645		900
646	sub override {	901	sub override {
647	$override = 1;	902	$override = 1;
648	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
649	}	904	}
650		905
651	sub do_invoke {	906	sub do_invoke {
652	my $event = shift;	907	my $event = shift;
653	my $callbacks = shift;	908	my $callbacks = shift;
654		909
655	@invoke_results = ();	910	@INVOKE_RESULTS = ();
656		911
657	local $override;	912	local $override;
658		913
659	for (@$callbacks) {	914	for (@$callbacks) {
660	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
677		932
678	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
679		934
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		938
684	=back	939	=back
685		940
686	=cut	941	=cut
687		942
688	#############################################################################	943	#############################################################################
689	# 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	}
690		956
691	sub reattach {	957	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	959	my ($obj) = @_;
694		960
…		…
747	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
748		1014
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1019	close $fh;
754		1020
755	if (@$objs) {	1021	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1027	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
763	}	1029	}
764	} else {	1030	} else {
765	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
797	or return;	1063	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1065	}
800		1066
801	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1069	return ($data, $av);
804	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
805		1077
806	#############################################################################	1078	#############################################################################
807	# command handling &c	1079	# command handling &c
808		1080
809	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1095	}
824		1096
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1098
827	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.
828		1104
829	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
830	called.	1106	called.
831		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
832	=cut	1119	=cut
833		1120
834	sub register_extcmd {	1121	sub register_extcmd {
835	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
836		1123
837	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
838	}	1131	}
839		1132
840	cf::player->attach (	1133	cf::player->attach (
841	on_command => sub {	1134	on_command => sub {
842	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1144	cf::override;
852	},	1145	},
853	on_extcmd => sub {	1146	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
855		1148
856	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1150
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
864	} else {	1166	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1168	}
867		1169
868	cf::override;	1170	cf::override;
869	},	1171	},
870	);	1172	);
871		1173
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
907	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1179	next unless -r $path;
909	eval {	1180
910	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;
911	1	1238	}
912	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
913	}	1244	};
914	}	1245	}
915		1246
916	#############################################################################	1247	#############################################################################
917		1248
		1249	=back
		1250
918	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
919		1252
920	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
921		1254
922	=cut	1255	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
935		1268
936	=cut	1269	=cut
937		1270
938	sub playerdir($) {	1271	sub playerdir($) {
939	cf::localdir	1272	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1274	}
945		1275
946	sub path($) {	1276	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1278
949	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
950	}	1280	}
951		1281
952	sub find_active($) {	1282	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
957		1287
958	sub exists($) {	1288	sub exists($) {
959	my ($login) = @_;	1289	my ($login) = @_;
960		1290
961	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
963	}	1293	}
964		1294
965	sub find($) {	1295	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1297	my $login = $_[0];
968		1298
969	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
970		1300
971	$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
972	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
973	or return;	1310	or return;
974	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
975	}	1312	}
976	}	1313	}
…		…
988		1325
989	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
991		1328
992	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
993	Coro::cede;	1330	cf::cede_to_tick;
994	}	1331	}
995		1332
996	sub new($) {	1333	sub new($) {
997	my ($login) = @_;	1334	my ($login) = @_;
998		1335
…		…
1004	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1005		1342
1006	$self	1343	$self
1007	}	1344	}
1008		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
1009	=item $pl->quit_character	1356	=item $pl->quit_character
1010		1357
1011	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
1012	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1013		1360
1014	=cut	1361	=cut
1015		1362
1016	sub quit_character {	1363	sub quit_character {
1017	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1018		1367
1019	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1020	$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
1021		1370
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1402	}
1034		1403
1035	=item cf::player::list_logins	1404	=item cf::player::list_logins
1036		1405
1037	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
1038	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1039		1408
1040	=cut	1409	=cut
1041		1410
1042	sub list_logins {	1411	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1413	or return [];
1045		1414
1046	my @logins;	1415	my @logins;
1047		1416
1048	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1065	=cut	1434	=cut
1066		1435
1067	sub maps($) {	1436	sub maps($) {
1068	my ($pl) = @_;	1437	my ($pl) = @_;
1069		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1070	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1071	or return;	1442	or return;
1072		1443
1073	my @paths;	1444	my @paths;
1074		1445
1075	for (@$files) {	1446	for (@$files) {
1076	utf8::decode $_;	1447	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1079		1450
1080	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1452	}
1083		1453
1084	\@paths	1454	\@paths
1085	}	1455	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1088		1508
1089	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1090		1510
1091	=cut	1511	=cut
1092		1512
1093	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1095		1515
1096	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1517	}
1100		1518
1101	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	}
1102		1559
1103	=back	1560	=back
1104
1105		1561
1106	=head3 cf::map	1562	=head3 cf::map
1107		1563
1108	=over 4	1564	=over 4
1109		1565
…		…
1113		1569
1114	use Fcntl;	1570	use Fcntl;
1115	use Coro::AIO;	1571	use Coro::AIO;
1116		1572
1117	use overload	1573	use overload
1118	'""' => \&as_string;	1574	'""' => \&as_string,
		1575	fallback => 1;
1119		1576
1120	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1122		1579
1123	sub generate_random_map {	1580	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1583	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1595	)
1140	}	1596	}
1141		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1142	sub register {	1606	sub register {
1143	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1608	my $pkg = caller;
1145		1609
1146	no strict;	1610	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1612
1149	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1614	}
1151		1615
1152	# also paths starting with '/'	1616	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1618
1155	sub thawer_merge {	1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
1156	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1623	local $self->{path};
1158	local $_[0]{deny_save};	1624	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1625
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1626	$self->SUPER::thawer_merge ($merge);
1162	}	1627	}
1163		1628
1164	sub normalise {	1629	sub normalise {
1165	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1166		1635
1167	# map plan:	1636	# map plan:
1168	#	1637	#
1169	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1198		1667
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1669
1201	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1202		1671
1203	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1208	return $self;	1677	return $self;
1209	}	1678	}
1210	}	1679	}
1211		1680
1212	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1682	()
1214	}	1683	}
1215		1684
1216	sub init {	1685	sub init {
1217	my ($self) = @_;	1686	my ($self) = @_;
…		…
1232		1701
1233	# the original (read-only) location	1702	# the original (read-only) location
1234	sub load_path {	1703	sub load_path {
1235	my ($self) = @_;	1704	my ($self) = @_;
1236		1705
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1238	}	1707	}
1239		1708
1240	# the temporary/swap location	1709	# the temporary/swap location
1241	sub save_path {	1710	sub save_path {
1242	my ($self) = @_;	1711	my ($self) = @_;
1243		1712
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1246	}	1715	}
1247		1716
1248	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1249	sub uniq_path {	1718	sub uniq_path {
1250	my ($self) = @_;	1719	my ($self) = @_;
1251		1720
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1254	}	1723	}
1255		1724
1256	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1257	# all maps in C++...	1726	# all maps in C++...
1258	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1260		1729
1261	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1263	}	1732	}
1264		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1265	sub unlink_save {	1742	sub unlink_save {
1266	my ($self) = @_;	1743	my ($self) = @_;
1267		1744
1268	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1749
1273	sub load_header_from($) {	1750	sub load_header_from($) {
1274	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1275		1752
1276	utf8::encode $path;	1753	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1278	or return;	1755	# or return;
1279		1756
1280	$self->_load_header ($path)	1757	$self->_load_header ($path)
1281	or return;	1758	or return;
1282		1759
1283	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1284		1761
1285	1	1762	1
1286	}	1763	}
1287		1764
1288	sub load_orig {	1765	sub load_header_orig {
1289	my ($self) = @_;	1766	my ($self) = @_;
1290		1767
1291	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1292	}	1769	}
1293		1770
1294	sub load_temp {	1771	sub load_header_temp {
1295	my ($self) = @_;	1772	my ($self) = @_;
1296		1773
1297	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1298	}	1794	}
1299		1795
1300	sub load_header {	1796	sub load_header {
1301	my ($self) = @_;	1797	my ($self) = @_;
1302		1798
1303	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1801	} else {
1310	$self->load_orig	1802	$self->load_header_orig
1311	or return;	1803	or return;
1312		1804	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1805	}
		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;
1318		1812
1319	1	1813	1
1320	}	1814	}
1321		1815
1322	sub find;	1816	sub find;
…		…
1335	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1336		1830
1337	$map->load_header	1831	$map->load_header
1338	or return;	1832	or return;
1339		1833
1340	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
1341	$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1342	$map->reset;	1837	$map->reset;
1343	undef $guard;	1838	undef $guard;
1344	$map = find $path	1839	return find $path;
1345	or return;
1346	}	1840	}
1347		1841
1348	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1349	}	1843	}
1350	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1351		1848
1352	sub load {	1849	sub load {
1353	my ($self) = @_;	1850	my ($self) = @_;
1354		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1355	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1356	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1357		1859
1358	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1359		1861
1360	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1361		1863
1362	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1363	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1364	or return;	1870	or return;
1365		1871
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1367	if delete $self->{load_original};	1873	if delete $self->{load_original};
1368		1874
1369	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	1876	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1372	$self->clear_unique_items;	1878	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1374	}	1880	}
1375	}	1881	}
1376		1882
1377	Coro::cede;	1883	cf::cede_to_tick;
1378
1379	# now do the right thing for maps	1884	# now do the right thing for maps
1380	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	1887	unless $self->difficulty;
1390	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($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;
1391	$self->activate;	1897	$self->activate;
1392	}	1898	}
1393		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1394	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
1395	}	1907	}
1396		1908
1397	sub customise_for {	1909	sub customise_for {
1398	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1399		1911
1400	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	1913	if $self->per_player;
1402		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1403	$self	1918	$self
1404	}	1919	}
1405		1920
1406	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	1922	sub load_neighbours {
1408	my ($map) = @_;	1923	my ($map) = @_;
1409		1924
1410	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1411		1926
1412	for (0 .. 3) {	1927	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1414	or next;	1929	or next;
1415	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1416	or next;	1931	or next;
1417	$neigh->load;	1932	$neigh->load;
1418		1933
		1934	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	1937	}
1422		1938
1423	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1425	or next;	1942	or next;
1426	$neigh->load;	1943	$neigh->load;
1427	}	1944	}
1428	}	1945	}
1429		1946
…		…
1434	}	1951	}
1435		1952
1436	sub do_load_sync {	1953	sub do_load_sync {
1437	my ($map) = @_;	1954	my ($map) = @_;
1438		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1439	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1440	}	1960	}
1441		1961
1442	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	1963	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		1964
1456	sub find_async {	1965	sub find_async {
1457	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1458		1967
1459	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1460		1969
1461	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
1463	}	1987	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1467		1989
1468	()	1990	()
1469	}	1991	}
1470		1992
1471	sub save {	1993	sub save {
1472	my ($self) = @_;	1994	my ($self) = @_;
1473		1995
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1475		1997
1476	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1477		1999
1478	return unless $self->dirty;	2000	return unless $self->dirty;
1479		2001
…		…
1502	my ($self) = @_;	2024	my ($self) = @_;
1503		2025
1504	# save first because save cedes	2026	# save first because save cedes
1505	$self->save;	2027	$self->save;
1506		2028
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2030
1509	return if $self->players;	2031	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};	2033	return if $self->{deny_save};
1512		2034
…		…
1516		2038
1517	sub reset_at {	2039	sub reset_at {
1518	my ($self) = @_;	2040	my ($self) = @_;
1519		2041
1520	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1523		2044
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2047
…		…
1531	my ($self) = @_;	2052	my ($self) = @_;
1532		2053
1533	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1534	}	2055	}
1535		2056
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2057	sub reset {
1551	my ($self) = @_;	2058	my ($self) = @_;
1552		2059
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2061
1555	return if $self->players;	2062	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2063
1558	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1559		2075
1560	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1561		2077
1562	$self->in_memory (cf::MAP_SWAPPED);
1563	$self->clear;	2078	$self->clear;
1564		2079
1565	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1566		2081
1567	$self->unlink_save;	2082	$self->unlink_save;
…		…
1571	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1572		2087
1573	sub nuke {	2088	sub nuke {
1574	my ($self) = @_;	2089	my ($self) = @_;
1575		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1579	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
		2104	}
		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	]
1580	}	2140	}
1581		2141
1582	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1583		2143
1584	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2145	instantiated unique items. May block.
1586		2146
1587	=cut	2147	=cut
1588		2148
1589	sub unique_maps() {	2149	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1591	or return;	2151	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2152	utf8::decode $_;
1597	next if /\.pst$/;
1598	next unless /^$PATH_SEP/o;
1599
1600	s/\.map$//;	2153	/\.map$/
1601	push @paths, $_;	2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
1602	}	2157	]
1603
1604	\@paths
1605	}	2158	}
1606		2159
1607	package cf;	2160	package cf;
1608		2161
1609	=back	2162	=back
…		…
1655		2208
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2210
1658	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1660	} 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 {
1661	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1663	}	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 (@_);
1664	}	2236	}
1665		2237
1666	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1667		2239
1668	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1700	=cut	2272	=cut
1701		2273
1702	sub link_map {	2274	sub link_map {
1703	unless ($LINK_MAP) {	2275	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2276	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2278	$LINK_MAP->load;
1707	}	2279	}
1708		2280
1709	$LINK_MAP	2281	$LINK_MAP
1710	}	2282	}
…		…
1715	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1716		2288
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2290
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1721		2293
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1723	}	2295	}
1724		2296
1725	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1727		2301
1728	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1729		2303
1730	unless ($map) {	2304	unless ($map) {
1731	# restore original map position	2305	# restore original map position
…		…
1745	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1748		2322
1749	$map->load;	2323	$map->load;
1750	$map->load_diag;	2324	$map->load_neighbours;
1751		2325
1752	return unless $self->contr->active;	2326	return unless $self->contr->active;
1753	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1755	}	2331	}
1756		2332
1757	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1758	on_logout => sub {
1759	my ($pl) = @_;
1760		2334
1761	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1762	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1763	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1764	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1765	};	2339	be called at the end of this process.
1766	}
1767	},
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2340
1771	# try to abort aborted map switching on player login :)
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788
1789	=item $player_object->goto ($path, $x, $y)
1790
1791	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1792		2344
1793	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1794	my ($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;
1795		2350
1796	$self->enter_link;	2351	$self->enter_link;
1797		2352
1798	(async {	2353	(async {
		2354	my $map = eval {
1799	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1801		2359	$map = $check->($map) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1803	# if $map;
1804
1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
1806		2363
		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 $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1807	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1808	})->prio (1);	2378	})->prio (1);
1809	}	2379	}
1810		2380
1811	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1812		2382
…		…
1814		2384
1815	sub parse_random_map_params {	2385	sub parse_random_map_params {
1816	my ($spec) = @_;	2386	my ($spec) = @_;
1817		2387
1818	my $rmp = { # defaults	2388	my $rmp = { # defaults
1819	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1821	};	2393	};
1822		2394
1823	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1825		2397
…		…
1829	$rmp	2401	$rmp
1830	}	2402	}
1831		2403
1832	sub prepare_random_map {	2404	sub prepare_random_map {
1833	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2408
1835	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2411	# that depends on the exit object
1838		2412
1839	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1840		2414
1841	if ($exit->map) {	2415	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1846	}	2420	}
1847		2421
1848	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1849		2423
1850	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1852		2427
1853	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
1855		2432
1856	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2434	$exit->msg (undef);
1858	}	2435	}
1859	}	2436	}
…		…
1861	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1863		2440
1864	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1865		2442
		2443	if ($exit->slaying eq "/!") {
		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
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
1866	$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);
1867		2459
1868	(async {	2460	(async {
1869	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1870	unless (eval {	2462	unless (eval {
1871	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1872	if $exit->slaying eq "/!";
1873
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876		2464
1877	1;	2465	1;
1878	}) {	2466	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1880	. "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. "
1881	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2471
1884	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1885	$self->leave_link;	2473	$self->leave_link;
1886	}	2474	}
1887	})->prio (1);	2475	})->prio (1);
…		…
1900		2488
1901	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1903		2491
1904	utf8::encode $text;	2492	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2494	}
1907		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	}
1908		2592
1909	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1910		2594
1911	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1912	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>,
1913	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>.
1914		2598
1915	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
1916	reliable at some point in the future.	2600	become reliable at some point in the future.
1917		2601
1918	=cut	2602	=cut
1919		2603
1920	sub cf::client::query {	2604	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	2613	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		2615
1932	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1934	}	2620	}
1935		2621
1936	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1937	on_reply => sub {	2628	on_reply => sub {
1938	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1939		2630
1940	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1941	# get handled first	2632	# get handled first
1942	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		2635
1945	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		2638
1947	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1948		2640
1949	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	2642	if (@$queue) {
…		…
1952	} else {	2644	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	2646	}
1955	}	2647	}
1956	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($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	},
1957	);	2675	);
1958		2676
1959	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
1960		2678
1961	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2004		2722
2005	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2006		2724
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2008		2730
2009	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2010		2732
2011	=pod	2733	=pod
2012		2734
2013	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2014		2736
2015	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2016	cf::object::player player	2741	cf::object::player
2017	cf::player peaceful	2742	player
2018	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2019		2749
2020	=cut	2750	=cut
2021		2751
2022	for (	2752	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2024	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2026	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2027	) {	2759	) {
2028	no strict 'refs';	2760	no strict 'refs';
…		…
2099	=back	2831	=back
2100		2832
2101	=cut	2833	=cut
2102		2834
2103	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
2104		2837
2105	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
2106		2840
2107	Crossfire maintains a very simple database for extension use. It can	2841	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	2842	# for this (global event?)
2109	excludes objects.	2843	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		2844
2111	The parameter C<$family> should best start with the name of the extension	2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		2846
2114	=over 4	2847	warn "loading facedata from $path\n";
2115		2848
2116	=item $hashref = cf::db_get $family	2849	my $facedata;
		2850	0 < aio_load $path, $facedata
		2851	or die "$path: $!";
2117		2852
2118	Return a hashref for use by the extension C<$family>, which can be	2853	$facedata = Coro::Storable::thaw $facedata;
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121		2854
2122	=item $value = cf::db_get $family => $key	2855	$facedata->{version} == 2
		2856	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		2857
2124	Returns a single value from the database	2858	# patch in the exptable
2125		2859	$facedata->{resource}{"res/exp_table"} = {
2126	=item cf::db_put $family => $hashref	2860	type => FT_RSRC,
2127		2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	2862	};
		2863	cf::cede_to_tick;
2177		2864
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	2865	{
		2866	my $faces = $facedata->{faceinfo};
2182		2867
2183	sub db_get($;$) {	2868	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}	2870	cf::face::set_visibility $idx, $info->{visibility};
2186	: ($DB->{$_[0]} ||= { })	2871	cf::face::set_magicmap $idx, $info->{magicmap};
2187	}	2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2188		2874
2189	sub db_put($$;$) {	2875	cf::cede_to_tick;
2190	if (@_ >= 3) {
2191	$DB->{$_[0]}{$_[1]} = $_[2];
2192	} else {
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197
2198	cf::global->attach (
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	2876	}
2203	);
2204	}
2205		2877
2206	#############################################################################	2878	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	2879	next unless $info->{smooth};
		2880	my $idx = cf::face::find $face
		2881	or next;
		2882	if (my $smooth = cf::face::find $info->{smooth}) {
		2883	cf::face::set_smooth $idx, $smooth;
		2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2885	} else {
		2886	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2887	}
2208		2888
2209	sub cfg_load {	2889	cf::cede_to_tick;
		2890	}
		2891	}
		2892
		2893	{
		2894	my $anims = $facedata->{animinfo};
		2895
		2896	while (my ($anim, $info) = each %$anims) {
		2897	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	cf::anim::invalidate_all; # d'oh
		2902	}
		2903
		2904	{
		2905	# TODO: for gcfclient pleasure, we should give resources
		2906	# that gcfclient doesn't grok a >10000 face index.
		2907	my $res = $facedata->{resource};
		2908
		2909	my $soundconf = delete $res->{"res/sound.conf"};
		2910
		2911	while (my ($name, $info) = each %$res) {
		2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2913	my $data;
		2914
		2915	if ($info->{type} & 1) {
		2916	# prepend meta info
		2917
		2918	my $meta = $enc->encode ({
		2919	name => $name,
		2920	%{ $info->{meta} || {} },
		2921	});
		2922
		2923	$data = pack "(w/a*)*", $meta, $info->{data};
		2924	} else {
		2925	$data = $info->{data};
		2926	}
		2927
		2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2929	cf::face::set_type $idx, $info->{type};
		2930
		2931	cf::cede_to_tick;
		2932	}
		2933
		2934	if ($soundconf) {
		2935	$soundconf = $enc->decode (delete $soundconf->{data});
		2936
		2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2938	my $sound = $soundconf->{compat}[$_]
		2939	or next;
		2940
		2941	my $face = cf::face::find "sound/$sound->[1]";
		2942	cf::sound::set $sound->[0] => $face;
		2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2944	}
		2945
		2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2947	my $face = cf::face::find "sound/$v";
		2948	cf::sound::set $k => $face;
		2949	}
		2950	}
		2951	}
		2952
		2953	1
		2954	}
		2955
		2956	register_exticmd fx_want => sub {
		2957	my ($ns, $want) = @_;
		2958
		2959	while (my ($k, $v) = each %$want) {
		2960	$ns->fx_want ($k, $v);
		2961	}
		2962	};
		2963
		2964	sub reload_regions {
		2965	# HACK to clear player env face cache, we need some signal framework
		2966	# for this (global event?)
		2967	%ext::player_env::MUSIC_FACE_CACHE = ();
		2968
		2969	load_resource_file "$MAPDIR/regions"
		2970	or die "unable to load regions file\n";
		2971
		2972	for (cf::region::list) {
		2973	$_->{match} = qr/$_->{match}/
		2974	if exists $_->{match};
		2975	}
		2976	}
		2977
		2978	sub reload_facedata {
		2979	load_facedata "$DATADIR/facedata"
		2980	or die "unable to load facedata\n";
		2981	}
		2982
		2983	sub reload_archetypes {
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	#d# NEED to laod twice to resolve forward references
		2987	# this really needs to be done in an extra post-pass
		2988	# (which needs to be synchronous, so solve it differently)
		2989	load_resource_file "$DATADIR/archetypes"
		2990	or die "unable to load archetypes\n";
		2991	}
		2992
		2993	sub reload_treasures {
		2994	load_resource_file "$DATADIR/treasures"
		2995	or die "unable to load treasurelists\n";
		2996	}
		2997
		2998	sub reload_resources {
		2999	warn "reloading resource files...\n";
		3000
		3001	reload_regions;
		3002	reload_facedata;
		3003	#reload_archetypes;#d#
		3004	reload_archetypes;
		3005	reload_treasures;
		3006
		3007	warn "finished reloading resource files\n";
		3008	}
		3009
		3010	sub init {
		3011	reload_resources;
		3012	}
		3013
		3014	sub reload_config {
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3015	open my $fh, "<:utf8", "$CONFDIR/config"
2211	or return;	3016	or return;
2212		3017
2213	local $/;	3018	local $/;
2214	*CFG = YAML::Syck::Load <$fh>;	3019	*CFG = YAML::Syck::Load <$fh>;
2215		3020
…		…
2229		3034
2230	sub main {	3035	sub main {
2231	# we must not ever block the main coroutine	3036	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3037	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3038	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3039	(async {
2234	async { Event::one_event };	3040	Event::one_event;
		3041	})->prio (Coro::PRIO_MAX);
2235	};	3042	};
2236		3043
2237	cfg_load;	3044	reload_config;
2238	db_load;	3045	db_init;
2239	load_extensions;	3046	load_extensions;
		3047
		3048	$TICK_WATCHER->start;
2240	Event::loop;	3049	Event::loop;
2241	}	3050	}
2242		3051
2243	#############################################################################	3052	#############################################################################
2244	# initialisation and cleanup	3053	# initialisation and cleanup
2245		3054
2246	# install some emergency cleanup handlers	3055	# install some emergency cleanup handlers
2247	BEGIN {	3056	BEGIN {
2248	for my $signal (qw(INT HUP TERM)) {	3057	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3058	Event->signal (
		3059	reentrant => 0,
2250	data => WF_AUTOCANCEL,	3060	data => WF_AUTOCANCEL,
2251	signal => $signal,	3061	signal => $signal,
		3062	prio => 0,
2252	cb => sub {	3063	cb => sub {
2253	cf::cleanup "SIG$signal";	3064	cf::cleanup "SIG$signal";
2254	},	3065	},
2255	);	3066	);
2256	}	3067	}
		3068	}
		3069
		3070	sub write_runtime {
		3071	my $runtime = "$LOCALDIR/runtime";
		3072
		3073	# first touch the runtime file to show we are still running:
		3074	# the fsync below can take a very very long time.
		3075
		3076	IO::AIO::aio_utime $runtime, undef, undef;
		3077
		3078	my $guard = cf::lock_acquire "write_runtime";
		3079
		3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3081	or return;
		3082
		3083	my $value = $cf::RUNTIME + 90 + 10;
		3084	# 10 is the runtime save interval, for a monotonic clock
		3085	# 60 allows for the watchdog to kill the server.
		3086
		3087	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3088	and return;
		3089
		3090	# always fsync - this file is important
		3091	aio_fsync $fh
		3092	and return;
		3093
		3094	# touch it again to show we are up-to-date
		3095	aio_utime $fh, undef, undef;
		3096
		3097	close $fh
		3098	or return;
		3099
		3100	aio_rename "$runtime~", $runtime
		3101	and return;
		3102
		3103	warn "runtime file written.\n";
		3104
		3105	1
2257	}	3106	}
2258		3107
2259	sub emergency_save() {	3108	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3109	my $freeze_guard = cf::freeze_mainloop;
2261		3110
…		…
2278	my $map = $cf::MAP{$path} or next;	3127	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3128	$map->valid or next;
2280	$map->save;	3129	$map->save;
2281	}	3130	}
2282	warn "end emergency map save\n";	3131	warn "end emergency map save\n";
		3132
		3133	warn "begin emergency database checkpoint\n";
		3134	BDB::db_env_txn_checkpoint $DB_ENV;
		3135	warn "end emergency database checkpoint\n";
2283	};	3136	};
2284		3137
2285	warn "leave emergency perl save\n";	3138	warn "leave emergency perl save\n";
2286	}	3139	}
2287		3140
		3141	sub post_cleanup {
		3142	my ($make_core) = @_;
		3143
		3144	warn Carp::longmess "post_cleanup backtrace"
		3145	if $make_core;
		3146	}
		3147
2288	sub reload() {	3148	sub do_reload_perl() {
2289	# can/must only be called in main	3149	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3150	if ($Coro::current != $Coro::main) {
2291	warn "can only reload from main coroutine\n";	3151	warn "can only reload from main coroutine";
2292	return;	3152	return;
2293	}	3153	}
2294		3154
2295	warn "reloading...";	3155	warn "reloading...";
2296		3156
2297	warn "freezing server";	3157	warn "entering sync_job";
2298	my $guard = freeze_mainloop;	3158
		3159	cf::sync_job {
		3160	cf::write_runtime; # external watchdog should not bark
2299	cf::emergency_save;	3161	cf::emergency_save;
		3162	cf::write_runtime; # external watchdog should not bark
2300		3163
2301	warn "sync database to disk";	3164	warn "syncing database to disk";
2302	cf::db_sync;	3165	BDB::db_env_txn_checkpoint $DB_ENV;
2303	IO::AIO::flush;
2304		3166
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved	3167	# if anything goes wrong in here, we should simply crash as we already saved
2307		3168
2308	warn "cancel all watchers";	3169	warn "cancelling all WF_AUTOCANCEL watchers";
2309	for (Event::all_watchers) {	3170	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;	3171	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}	3172	}
2312		3173
		3174	warn "flushing outstanding aio requests";
		3175	for (;;) {
		3176	BDB::flush;
		3177	IO::AIO::flush;
		3178	Coro::cede;
		3179	last unless IO::AIO::nreqs || BDB::nreqs;
		3180	warn "iterate...";
		3181	}
		3182
		3183	++$RELOAD;
		3184
2313	warn "cancel all extension coros";	3185	warn "cancelling all extension coros";
2314	$_->cancel for values %EXT_CORO;	3186	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	3187	%EXT_CORO = ();
2316		3188
2317	warn "remove commands";	3189	warn "removing commands";
2318	%COMMAND = ();	3190	%COMMAND = ();
2319		3191
2320	warn "remove ext commands";	3192	warn "removing ext/exti commands";
2321	%EXTCMD = ();	3193	%EXTCMD = ();
		3194	%EXTICMD = ();
2322		3195
2323	warn "unload/nuke all extensions";	3196	warn "unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3197	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3198	warn "... unloading $pkg";
2326		3199
2327	if (my $cb = $pkg->can ("unload")) {	3200	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3201	eval {
…		…
2333		3206
2334	warn "... nuking $pkg";	3207	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;	3208	Symbol::delete_package $pkg;
2336	}	3209	}
2337		3210
2338	warn "unload all perl modules loaded from $LIBDIR";	3211	warn "unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3212	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3213	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3214
2342	warn "removing <$k>";	3215	warn "... unloading $k";
2343	delete $INC{$k};	3216	delete $INC{$k};
2344		3217
2345	$k =~ s/\.pm$//;	3218	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3219	$k =~ s/\//::/g;
2347		3220
…		…
2350	}	3223	}
2351		3224
2352	Symbol::delete_package $k;	3225	Symbol::delete_package $k;
2353	}	3226	}
2354		3227
2355	warn "get rid of safe::, as good as possible";	3228	warn "getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3229	Symbol::delete_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		3231
2359	warn "unload cf.pm \"a bit\"";	3232	warn "unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3233	delete $INC{"cf.pm"};
		3234	delete $INC{"cf/pod.pm"};
2361		3235
2362	# don't, removes xs symbols, too,	3236	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3237	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3238	#Symbol::delete_package __PACKAGE__;
2365		3239
		3240	warn "unload completed, starting to reload now";
		3241
2366	warn "reloading cf.pm";	3242	warn "reloading cf.pm";
2367	require cf;	3243	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369		3245
2370	warn "load config and database again";	3246	warn "loading config and database again";
2371	cf::cfg_load;	3247	cf::reload_config;
2372	cf::db_load;
2373		3248
2374	warn "load extensions";	3249	warn "loading extensions";
2375	cf::load_extensions;	3250	cf::load_extensions;
2376		3251
2377	warn "reattach attachments to objects/players";	3252	warn "reattaching attachments to objects/players";
2378	_global_reattach;	3253	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3254	warn "reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3255	reattach $_ for values %MAP;
2381	};	3256	warn "reattaching attachments to players";
		3257	reattach $_ for values %PLAYER;
2382		3258
2383	if ($@) {	3259	warn "leaving sync_job";
		3260
		3261	1
		3262	} or do {
2384	warn $@;	3263	warn $@;
2385	warn "error while reloading, exiting.";	3264	warn "error while reloading, exiting.";
2386	exit 1;	3265	exit 1;
2387	}	3266	};
2388		3267
2389	warn "reloaded";	3268	warn "reloaded";
2390	};	3269	};
2391		3270
		3271	our $RELOAD_WATCHER; # used only during reload
		3272
		3273	sub reload_perl() {
		3274	# doing reload synchronously and two reloads happen back-to-back,
		3275	# coro crashes during coro_state_free->destroy here.
		3276
		3277	$RELOAD_WATCHER ||= Event->timer (
		3278	reentrant => 0,
		3279	after => 0,
		3280	data => WF_AUTOCANCEL,
		3281	cb => sub {
		3282	do_reload_perl;
		3283	undef $RELOAD_WATCHER;
		3284	},
		3285	);
		3286	}
		3287
2392	register_command "reload" => sub {	3288	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	3289	my ($who, $arg) = @_;
2394		3290
2395	if ($who->flag (FLAG_WIZ)) {	3291	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	3292	$who->message ("reloading server.");
		3293	async { reload_perl };
2399	}	3294	}
2400	};	3295	};
2401		3296
2402	unshift @INC, $LIBDIR;	3297	unshift @INC, $LIBDIR;
2403		3298
		3299	my $bug_warning = 0;
		3300
		3301	our @WAIT_FOR_TICK;
		3302	our @WAIT_FOR_TICK_BEGIN;
		3303
		3304	sub wait_for_tick {
		3305	return unless $TICK_WATCHER->is_active;
		3306	return if $Coro::current == $Coro::main;
		3307
		3308	my $signal = new Coro::Signal;
		3309	push @WAIT_FOR_TICK, $signal;
		3310	$signal->wait;
		3311	}
		3312
		3313	sub wait_for_tick_begin {
		3314	return unless $TICK_WATCHER->is_active;
		3315	return if $Coro::current == $Coro::main;
		3316
		3317	my $signal = new Coro::Signal;
		3318	push @WAIT_FOR_TICK_BEGIN, $signal;
		3319	$signal->wait;
		3320	}
		3321
		3322	my $min = 1e6;#d#
		3323	my $avg = 10;
2404	$TICK_WATCHER = Event->timer (	3324	$TICK_WATCHER = Event->timer (
2405	reentrant => 0,	3325	reentrant => 0,
		3326	parked => 1,
2406	prio => 0,	3327	prio => 0,
2407	at => $NEXT_TICK || $TICK,	3328	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,	3329	data => WF_AUTOCANCEL,
2409	cb => sub {	3330	cb => sub {
		3331	if ($Coro::current != $Coro::main) {
		3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3333	unless ++$bug_warning > 10;
		3334	return;
		3335	}
		3336
2410	$NOW = Event::time;	3337	$NOW = $tick_start = Event::time;
2411		3338
2412	cf::server_tick; # one server iteration	3339	cf::server_tick; # one server iteration
		3340
		3341	0 && sync_job {#d#
		3342	for(1..10) {
		3343	my $t = Event::time;
		3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3345	or die;
		3346
		3347	$map->width (50);
		3348	$map->height (50);
		3349	$map->alloc;
		3350	$map->_load_objects ("/tmp/x.map", 1);
		3351	my $t = Event::time - $t;
		3352
		3353	#next unless $t < 0.0013;#d#
		3354	if ($t < $min) {
		3355	$min = $t;
		3356	}
		3357	$avg = $avg * 0.99 + $t * 0.01;
		3358	}
		3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3360	exit 0;
		3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3362	};
		3363
2413	$RUNTIME += $TICK;	3364	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;	3365	$NEXT_TICK += $TICK;
2415		3366
2416	$WAIT_FOR_TICK->broadcast;	3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3369	Coro::async_pool {
		3370	write_runtime
		3371	or warn "ERROR: unable to write runtime file: $!";
		3372	};
		3373	}
		3374
		3375	# my $AFTER = Event::time;
		3376	# warn $AFTER - $NOW;#d#
		3377
		3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3379	$sig->send;
		3380	}
		3381	while (my $sig = shift @WAIT_FOR_TICK) {
		3382	$sig->send;
		3383	}
		3384
		3385	$NOW = Event::time;
2418		3386
2419	# if we are delayed by four ticks or more, skip them all	3387	# if we are delayed by four ticks or more, skip them all
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421		3389
2422	$TICK_WATCHER->at ($NEXT_TICK);	3390	$TICK_WATCHER->at ($NEXT_TICK);
2423	$TICK_WATCHER->start;	3391	$TICK_WATCHER->start;
		3392
		3393	$LOAD = ($NOW - $tick_start) / $TICK;
		3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3395
		3396	_post_tick;
		3397
		3398
2424	},	3399	},
2425	);	3400	);
2426		3401
		3402	{
		3403	BDB::max_poll_time $TICK * 0.1;
		3404	$BDB_POLL_WATCHER = Event->io (
		3405	reentrant => 0,
		3406	fd => BDB::poll_fileno,
		3407	poll => 'r',
		3408	prio => 0,
		3409	data => WF_AUTOCANCEL,
		3410	cb => \&BDB::poll_cb,
		3411	);
		3412	BDB::min_parallel 8;
		3413
		3414	BDB::set_sync_prepare {
		3415	my $status;
		3416	my $current = $Coro::current;
		3417	(
		3418	sub {
		3419	$status = $!;
		3420	$current->ready; undef $current;
		3421	},
		3422	sub {
		3423	Coro::schedule while defined $current;
		3424	$! = $status;
		3425	},
		3426	)
		3427	};
		3428
		3429	unless ($DB_ENV) {
		3430	$DB_ENV = BDB::db_env_create;
		3431
		3432	cf::sync_job {
		3433	eval {
		3434	BDB::db_env_open
		3435	$DB_ENV,
		3436	$BDBDIR,
		3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3439	0666;
		3440
		3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3442
		3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3444	$DB_ENV->set_lk_detect;
		3445	};
		3446
		3447	cf::cleanup "db_env_open(db): $@" if $@;
		3448	};
		3449	}
		3450	}
		3451
		3452	{
		3453	IO::AIO::min_parallel 8;
		3454
		3455	undef $Coro::AIO::WATCHER;
2427	IO::AIO::max_poll_time $TICK * 0.2;	3456	IO::AIO::max_poll_time $TICK * 0.1;
2428
2429	$AIO_POLL_WATCHER = Event->io (	3457	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,	3458	reentrant => 0,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,	3459	data => WF_AUTOCANCEL,
2439	after => 0,	3460	fd => IO::AIO::poll_fileno,
2440	interval => 10,	3461	poll => 'r',
2441	cb => sub {	3462	prio => 6,
2442	(Coro::unblock_sub {	3463	cb => \&IO::AIO::poll_cb,
2443	write_runtime	3464	);
2444	or warn "ERROR: unable to write runtime file: $!";	3465	}
		3466
		3467	my $_log_backtrace;
		3468
		3469	sub _log_backtrace {
		3470	my ($msg, @addr) = @_;
		3471
		3472	$msg =~ s/\n//;
		3473
		3474	# limit the # of concurrent backtraces
		3475	if ($_log_backtrace < 2) {
		3476	++$_log_backtrace;
		3477	async {
		3478	my @bt = fork_call {
		3479	@addr = map { sprintf "%x", $_ } @addr;
		3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3482	or die "addr2line: $!";
		3483
		3484	my @funcs;
		3485	my @res = <$fh>;
		3486	chomp for @res;
		3487	while (@res) {
		3488	my ($func, $line) = splice @res, 0, 2, ();
		3489	push @funcs, "[$func] $line";
		3490	}
		3491
		3492	@funcs
		3493	};
		3494
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] $_\n" for @bt;
		3497	--$_log_backtrace;
2445	})->();	3498	};
		3499	} else {
		3500	LOG llevInfo, "[ABT] $msg\n";
		3501	LOG llevInfo, "[ABT] [suppressed]\n";
2446	},	3502	}
2447	);	3503	}
		3504
		3505	# load additional modules
		3506	use cf::pod;
2448		3507
2449	END { cf::emergency_save }	3508	END { cf::emergency_save }
2450		3509
2451	1	3510	1
2452		3511

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