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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	757	our @CB_MAP = ();
505		758
506	my %attachment;	759	my %attachment;
507		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
508	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
510		769
511	use sort 'stable';	770	use sort 'stable';
512		771
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
547		806
548	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		811
553	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	813	my $pkg = shift @arg;
555		814
556	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
586	}	845	}
587		846
588	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
589	} else {	848	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	850	}
592		851
593	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
594	}	853	}
595		854
…		…
597	if (ref $_[0]) {	856	if (ref $_[0]) {
598	_object_attach @_;	857	_object_attach @_;
599	} else {	858	} else {
600	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
601	}	860	}
		861	_recalc_want;
602	};	862	};
603		863
604	# all those should be optimised	864	# all those should be optimised
605	sub cf::attachable::detach {	865	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
610	reattach ($obj);	870	reattach ($obj);
611	} else {	871	} else {
612	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
613	}	873	}
		874	_recalc_want;
614	};	875	};
615		876
616	sub cf::attachable::attached {	877	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
618		879
…		…
633	";	894	";
634	die if $@;	895	die if $@;
635	}	896	}
636		897
637	our $override;	898	our $override;
638	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?
639		900
640	sub override {	901	sub override {
641	$override = 1;	902	$override = 1;
642	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
643	}	904	}
644		905
645	sub do_invoke {	906	sub do_invoke {
646	my $event = shift;	907	my $event = shift;
647	my $callbacks = shift;	908	my $callbacks = shift;
648		909
649	@invoke_results = ();	910	@INVOKE_RESULTS = ();
650		911
651	local $override;	912	local $override;
652		913
653	for (@$callbacks) {	914	for (@$callbacks) {
654	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
671		932
672	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
673		934
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		938
678	=back	939	=back
679		940
680	=cut	941	=cut
681		942
682	#############################################################################	943	#############################################################################
683	# 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	}
684		956
685	sub reattach {	957	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	959	my ($obj) = @_;
688		960
…		…
741	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
742		1014
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1019	close $fh;
748		1020
749	if (@$objs) {	1021	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1027	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
757	}	1029	}
758	} else {	1030	} else {
759	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
791	or return;	1063	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1065	}
794		1066
795	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1069	return ($data, $av);
798	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
799		1077
800	#############################################################################	1078	#############################################################################
801	# command handling &c	1079	# command handling &c
802		1080
803	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1095	}
818		1096
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1098
821	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.
822		1104
823	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
824	called.	1106	called.
825		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
826	=cut	1119	=cut
827		1120
828	sub register_extcmd {	1121	sub register_extcmd {
829	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
830		1123
831	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
832	}	1131	}
833		1132
834	cf::player->attach (	1133	cf::player->attach (
835	on_command => sub {	1134	on_command => sub {
836	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1144	cf::override;
846	},	1145	},
847	on_extcmd => sub {	1146	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
849		1148
850	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1150
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
858	} else {	1166	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1168	}
861		1169
862	cf::override;	1170	cf::override;
863	},	1171	},
864	);	1172	);
865		1173
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
901	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1179	next unless -r $path;
903	eval {	1180
904	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;
905	1	1238	}
906	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
907	}	1244	};
908	}	1245	}
909		1246
910	#############################################################################	1247	#############################################################################
911		1248
		1249	=back
		1250
912	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
913		1252
914	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
915		1254
916	=cut	1255	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
929		1268
930	=cut	1269	=cut
931		1270
932	sub playerdir($) {	1271	sub playerdir($) {
933	cf::localdir	1272	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1274	}
939		1275
940	sub path($) {	1276	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1278
943	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
944	}	1280	}
945		1281
946	sub find_active($) {	1282	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
951		1287
952	sub exists($) {	1288	sub exists($) {
953	my ($login) = @_;	1289	my ($login) = @_;
954		1290
955	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
957	}	1293	}
958		1294
959	sub find($) {	1295	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1297	my $login = $_[0];
962		1298
963	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
964		1300
965	$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
966	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
967	or return;	1310	or return;
968	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
969	}	1312	}
970	}	1313	}
…		…
982		1325
983	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
985		1328
986	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
987	Coro::cede;	1330	cf::cede_to_tick;
988	}	1331	}
989		1332
990	sub new($) {	1333	sub new($) {
991	my ($login) = @_;	1334	my ($login) = @_;
992		1335
…		…
998	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
999		1342
1000	$self	1343	$self
1001	}	1344	}
1002		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
1003	=item $pl->quit_character	1356	=item $pl->quit_character
1004		1357
1005	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
1006	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1007		1360
1008	=cut	1361	=cut
1009		1362
1010	sub quit_character {	1363	sub quit_character {
1011	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1012		1367
1013	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1014	$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
1015		1370
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1402	}
1028		1403
1029	=item cf::player::list_logins	1404	=item cf::player::list_logins
1030		1405
1031	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
1032	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1033		1408
1034	=cut	1409	=cut
1035		1410
1036	sub list_logins {	1411	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1413	or return [];
1039		1414
1040	my @logins;	1415	my @logins;
1041		1416
1042	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1046		1426
1047	utf8::decode $login;	1427	utf8::decode $login;
1048	push @logins, $login;	1428	push @logins, $login;
1049	}	1429	}
1050		1430
…		…
1058		1438
1059	=cut	1439	=cut
1060		1440
1061	sub maps($) {	1441	sub maps($) {
1062	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1445
1064	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1065	or return;	1447	or return;
1066		1448
1067	my @paths;	1449	my @paths;
…		…
1069	for (@$files) {	1451	for (@$files) {
1070	utf8::decode $_;	1452	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1454	next unless /^$PATH_SEP/o;
1073		1455
1074	s/\.map$//;	1456	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1457	}
1077		1458
1078	\@paths	1459	\@paths
1079	}	1460	}
1080		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1082		1514
1083	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1084		1516
1085	=cut	1517	=cut
1086		1518
1087	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1089		1521
1090	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1523	}
1094		1524
1095	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1096		1565
1097	=back	1566	=back
1098
1099		1567
1100	=head3 cf::map	1568	=head3 cf::map
1101		1569
1102	=over 4	1570	=over 4
1103		1571
…		…
1107		1575
1108	use Fcntl;	1576	use Fcntl;
1109	use Coro::AIO;	1577	use Coro::AIO;
1110		1578
1111	use overload	1579	use overload
1112	'""' => \&as_string;	1580	'""' => \&as_string,
		1581	fallback => 1;
1113		1582
1114	our $MAX_RESET = 3600;	1583	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1584	our $DEFAULT_RESET = 3000;
1116		1585
1117	sub generate_random_map {	1586	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1587	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1588	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1589	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1601	)
1134	}	1602	}
1135		1603
		1604	=item cf::map->register ($regex, $prio)
		1605
		1606	Register a handler for the map path matching the given regex at the
		1607	givne priority (higher is better, built-in handlers have priority 0, the
		1608	default).
		1609
		1610	=cut
		1611
1136	sub register {	1612	sub register {
1137	my (undef, $regex) = @_;	1613	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1614	my $pkg = caller;
1139		1615
1140	no strict;	1616	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1617	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1618
1143	$EXT_MAP{$pkg} = qr<$regex>;	1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1620	}
1145		1621
1146	# also paths starting with '/'	1622	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1624
		1625	sub thawer_merge {
		1626	my ($self, $merge) = @_;
		1627
		1628	# we have to keep some variables in memory intact
		1629	local $self->{path};
		1630	local $self->{load_path};
		1631
		1632	$self->SUPER::thawer_merge ($merge);
		1633	}
1148		1634
1149	sub normalise {	1635	sub normalise {
1150	my ($path, $base) = @_;	1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
1151		1641
1152	# map plan:	1642	# map plan:
1153	#	1643	#
1154	# /! non-realised random map exit (special hack!)	1644	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1645	# {... are special paths that are not being touched
…		…
1183		1673
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1674	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1675
1186	$path = normalise $path, $base;	1676	$path = normalise $path, $base;
1187		1677
1188	for my $pkg (keys %EXT_MAP) {	1678	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1679	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1680	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1681	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1193	return $self;	1683	return $self;
1194	}	1684	}
1195	}	1685	}
1196		1686
1197	Carp::carp "unable to resolve path '$path'.";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1688	()
1199	}	1689	}
1200		1690
1201	sub init {	1691	sub init {
1202	my ($self) = @_;	1692	my ($self) = @_;
…		…
1217		1707
1218	# the original (read-only) location	1708	# the original (read-only) location
1219	sub load_path {	1709	sub load_path {
1220	my ($self) = @_;	1710	my ($self) = @_;
1221		1711
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1223	}	1713	}
1224		1714
1225	# the temporary/swap location	1715	# the temporary/swap location
1226	sub save_path {	1716	sub save_path {
1227	my ($self) = @_;	1717	my ($self) = @_;
1228		1718
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1720	"$TMPDIR/$path.map"
1231	}	1721	}
1232		1722
1233	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1234	sub uniq_path {	1724	sub uniq_path {
1235	my ($self) = @_;	1725	my ($self) = @_;
1236		1726
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1728	"$UNIQUEDIR/$path"
1239	}	1729	}
1240		1730
1241	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1242	# all maps in C++...	1732	# all maps in C++...
1243	sub change_all_map_light {	1733	sub change_all_map_light {
…		…
1245		1735
1246	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1248	}	1738	}
1249		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
1250	sub unlink_save {	1748	sub unlink_save {
1251	my ($self) = @_;	1749	my ($self) = @_;
1252		1750
1253	utf8::encode (my $save = $self->save_path);	1751	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1753	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1754	}
1257		1755
1258	sub load_header_from($) {	1756	sub load_header_from($) {
1259	my ($self, $path) = @_;	1757	my ($self, $path) = @_;
1260		1758
1261	utf8::encode $path;	1759	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
1263	or return;	1761	# or return;
1264		1762
1265	$self->_load_header ($path)	1763	$self->_load_header ($path)
1266	or return;	1764	or return;
1267		1765
1268	$self->{load_path} = $path;	1766	$self->{load_path} = $path;
1269		1767
1270	1	1768	1
1271	}	1769	}
1272		1770
1273	sub load_orig {	1771	sub load_header_orig {
1274	my ($self) = @_;	1772	my ($self) = @_;
1275		1773
1276	$self->load_header_from ($self->load_path)	1774	$self->load_header_from ($self->load_path)
1277	}	1775	}
1278		1776
1279	sub load_temp {	1777	sub load_header_temp {
1280	my ($self) = @_;	1778	my ($self) = @_;
1281		1779
1282	$self->load_header_from ($self->save_path)	1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
1283	}	1800	}
1284		1801
1285	sub load_header {	1802	sub load_header {
1286	my ($self) = @_;	1803	my ($self) = @_;
1287		1804
1288	if ($self->load_temp) {	1805	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1806	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1807	} else {
1295	$self->load_orig	1808	$self->load_header_orig
1296	or return;	1809	or return;
1297		1810	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1811	}
		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
		1816	$self->default_region (cf::region::find_by_path $self->{path})
		1817	unless $self->default_region;
1303		1818
1304	1	1819	1
1305	}	1820	}
1306		1821
1307	sub find;	1822	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1321		1836
1322	$map->load_header	1837	$map->load_header
1323	or return;	1838	or return;
1324		1839
1325	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1841	# doing this can freeze the server in a sync job, obviously
		1842	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1843	$map->reset;
1327	undef $guard;	1844	undef $guard;
1328	$map = find $path	1845	return find $path;
1329	or return;
1330	}	1846	}
1331		1847
1332	$cf::MAP{$path} = $map	1848	$cf::MAP{$path} = $map
1333	}	1849	}
1334	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1335		1854
1336	sub load {	1855	sub load {
1337	my ($self) = @_;	1856	my ($self) = @_;
1338		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1339	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1340	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1341		1865
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1867
1344	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1345		1869
1346	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1347	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1348	or return;	1876	or return;
1349		1877
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1879	if delete $self->{load_original};
1352		1880
1353	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1882	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;	1884	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1358	}	1886	}
1359	}	1887	}
1360		1888
1361	Coro::cede;	1889	cf::cede_to_tick;
1362
1363	# now do the right thing for maps	1890	# now do the right thing for maps
1364	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1893	unless $self->difficulty;
1374	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1375	$self->activate;	1903	$self->activate;
1376	}	1904	}
1377		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1379	}	1913	}
1380		1914
1381	sub customise_for {	1915	sub customise_for {
1382	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1383		1917
1384	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1919	if $self->per_player;
1386		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1387	$self	1924	$self
1388	}	1925	}
1389		1926
1390	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1928	sub load_neighbours {
1392	my ($map) = @_;	1929	my ($map) = @_;
1393		1930
1394	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1395		1932
1396	for (0 .. 3) {	1933	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1398	or next;	1935	or next;
1399	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1400	or next;	1937	or next;
1401	$neigh->load;	1938	$neigh->load;
1402		1939
		1940	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1943	}
1406		1944
1407	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1409	or next;	1948	or next;
1410	$neigh->load;	1949	$neigh->load;
1411	}	1950	}
1412	}	1951	}
1413		1952
…		…
1418	}	1957	}
1419		1958
1420	sub do_load_sync {	1959	sub do_load_sync {
1421	my ($map) = @_;	1960	my ($map) = @_;
1422		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1423	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1424	}	1966	}
1425		1967
1426	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1969	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1970
1440	sub find_async {	1971	sub find_async {
1441	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1442		1973
1443	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1444		1975
1445	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1978	}
		1979
		1980	$MAP_PREFETCH{$path} |= $load;
		1981
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	while (my ($k, $v) = each %MAP_PREFETCH) {
		1985	if (my $map = find $k) {
		1986	$map->load if $v;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$k};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
1447	}	1993	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1451		1995
1452	()	1996	()
1453	}	1997	}
1454		1998
1455	sub save {	1999	sub save {
1456	my ($self) = @_;	2000	my ($self) = @_;
1457		2001
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2003
1460	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1461		2005
1462	return unless $self->dirty;	2006	return unless $self->dirty;
1463		2007
…		…
1486	my ($self) = @_;	2030	my ($self) = @_;
1487		2031
1488	# save first because save cedes	2032	# save first because save cedes
1489	$self->save;	2033	$self->save;
1490		2034
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2036
1493	return if $self->players;	2037	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2039	return if $self->{deny_save};
1496		2040
…		…
1500		2044
1501	sub reset_at {	2045	sub reset_at {
1502	my ($self) = @_;	2046	my ($self) = @_;
1503		2047
1504	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1507		2050
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2053
…		…
1515	my ($self) = @_;	2058	my ($self) = @_;
1516		2059
1517	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1518	}	2061	}
1519		2062
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2063	sub reset {
1535	my ($self) = @_;	2064	my ($self) = @_;
1536		2065
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2067
1539	return if $self->players;	2068	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2069
1542	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1543		2081
1544	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
1545		2083
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2084	$self->clear;
1548		2085
1549	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1550		2087
1551	$self->unlink_save;	2088	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1556		2093
1557	sub nuke {	2094	sub nuke {
1558	my ($self) = @_;	2095	my ($self) = @_;
1559		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
		2100	delete $cf::MAP{$self->path};
		2101
		2102	$self->unlink_save;
		2103
		2104	bless $self, "cf::map";
		2105	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2109
		2110	$cf::MAP{$self->path} = $self;
		2111	}
		2112
1563	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1564	}	2150	}
1565		2151
1566	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1567		2153
1568	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2155	instantiated unique items. May block.
1570		2156
1571	=cut	2157	=cut
1572		2158
1573	sub unique_maps() {	2159	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1575	or return;	2161	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2162	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2163	/\.map$/
1585	push @paths, $_;	2164	? normalise $_
		2165	: ()
		2166	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2167	]
1587
1588	\@paths
1589	}	2168	}
1590		2169
1591	package cf;	2170	package cf;
1592		2171
1593	=back	2172	=back
…		…
1639		2218
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2220
1642	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1644	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1647	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1648	}	2246	}
1649		2247
1650	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1651		2249
1652	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2282	=cut
1685		2283
1686	sub link_map {	2284	sub link_map {
1687	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2288	$LINK_MAP->load;
1691	}	2289	}
1692		2290
1693	$LINK_MAP	2291	$LINK_MAP
1694	}	2292	}
…		…
1699	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1700		2298
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2300
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1705		2303
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2305	}
1708		2306
1709	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1711		2311
1712	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1713		2313
1714	unless ($map) {	2314	unless ($map) {
1715	# restore original map position	2315	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1732		2332
1733	$map->load;	2333	$map->load;
1734	$map->load_diag;	2334	$map->load_neighbours;
1735		2335
1736	return unless $self->contr->active;	2336	return unless $self->contr->active;
1737	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1739	}	2341	}
1740		2342
1741	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2344
1745	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1749	};	2349	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2350
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1776		2354
1777	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2360
1780	$self->enter_link;	2361	$self->enter_link;
1781		2362
1782	(async {	2363	(async {
		2364	my $map = eval {
1783	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1785		2369	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1790		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1792	})->prio (1);	2388	})->prio (1);
1793	}	2389	}
1794		2390
1795	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1796		2392
…		…
1798		2394
1799	sub parse_random_map_params {	2395	sub parse_random_map_params {
1800	my ($spec) = @_;	2396	my ($spec) = @_;
1801		2397
1802	my $rmp = { # defaults	2398	my $rmp = { # defaults
1803	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1805	};	2403	};
1806		2404
1807	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1809		2407
…		…
1813	$rmp	2411	$rmp
1814	}	2412	}
1815		2413
1816	sub prepare_random_map {	2414	sub prepare_random_map {
1817	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2418
1819	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2421	# that depends on the exit object
1822		2422
1823	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1824		2424
1825	if ($exit->map) {	2425	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1830	}	2430	}
1831		2431
1832	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1833		2433
1834	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1836		2437
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
		2440	undef $fh;
		2441	aio_rename "$meta~", $meta;
1839		2442
1840	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2444	$exit->msg (undef);
1842	}	2445	}
1843	}	2446	}
…		…
1845	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1847		2450
1848	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1849		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1850	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1851		2469
1852	(async {	2470	(async {
1853	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2472	unless (eval {
1855	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2474
1861	1;	2475	1;
1862	}) {	2476	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2481
1868	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2483	$self->leave_link;
1870	}	2484	}
1871	})->prio (1);	2485	})->prio (1);
…		…
1884		2498
1885	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1887		2501
1888	utf8::encode $text;	2502	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2504	}
1891		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1892		2621
1893	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1894		2623
1895	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2627
1899	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2629	become reliable at some point in the future.
1901		2630
1902	=cut	2631	=cut
1903		2632
1904	sub cf::client::query {	2633	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2642	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2644
1916	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1918	}	2649	}
1919		2650
1920	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1921	on_reply => sub {	2657	on_reply => sub {
1922	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1923		2659
1924	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1925	# get handled first	2661	# get handled first
1926	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2664
1929	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2667
1931	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1932		2669
1933	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2671	if (@$queue) {
…		…
1936	} else {	2673	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2675	}
1939	}	2676	}
1940	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1941	);	2704	);
1942		2705
1943	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1944		2707
1945	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
1988		2751
1989	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
1990		2753
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
1992		2759
1993	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
1994		2761
1995	=pod	2762	=pod
1996		2763
1997	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
1998		2765
1999	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2000	cf::object::player player	2770	cf::object::player
2001	cf::player peaceful	2771	player
2002	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2003		2778
2004	=cut	2779	=cut
2005		2780
2006	for (	2781	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2011	) {	2788	) {
2012	no strict 'refs';	2789	no strict 'refs';
…		…
2083	=back	2860	=back
2084		2861
2085	=cut	2862	=cut
2086		2863
2087	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2088		2866
2089	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2090		2869
2091	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2093	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		2873
2095	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		2875
2098	=over 4	2876	warn "loading facedata from $path\n";
2099		2877
2100	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2101		2881
2102	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		2883
2106	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		2886
2108	Returns a single value from the database	2887	# patch in the exptable
2109		2888	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2111		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2891	};
		2892	cf::cede_to_tick;
2161		2893
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2166		2896
2167	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2903
2173	sub db_put($$;$) {	2904	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2905	}
2187	);
2188	}
2189		2906
2190	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2192		2917
2193	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3045	or return;
2196		3046
2197	local $/;	3047	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2199		3049
…		…
2213		3063
2214	sub main {	3064	sub main {
2215	# we must not ever block the main coroutine	3065	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3066	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3068	(async {
2218	async { Event::one_event };	3069	Event::one_event;
		3070	})->prio (Coro::PRIO_MAX);
2219	};	3071	};
2220		3072
2221	cfg_load;	3073	reload_config;
2222	db_load;	3074	db_init;
2223	load_extensions;	3075	load_extensions;
		3076
		3077	$TICK_WATCHER->start;
2224	Event::loop;	3078	Event::loop;
2225	}	3079	}
2226		3080
2227	#############################################################################	3081	#############################################################################
2228	# initialisation and cleanup	3082	# initialisation and cleanup
2229		3083
2230	# install some emergency cleanup handlers	3084	# install some emergency cleanup handlers
2231	BEGIN {	3085	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3086	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3087	Event->signal (
		3088	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3089	data => WF_AUTOCANCEL,
2235	signal => $signal,	3090	signal => $signal,
		3091	prio => 0,
2236	cb => sub {	3092	cb => sub {
2237	cf::cleanup "SIG$signal";	3093	cf::cleanup "SIG$signal";
2238	},	3094	},
2239	);	3095	);
2240	}	3096	}
		3097	}
		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
2241	}	3135	}
2242		3136
2243	sub emergency_save() {	3137	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2245		3139
…		…
2262	my $map = $cf::MAP{$path} or next;	3156	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3157	$map->valid or next;
2264	$map->save;	3158	$map->save;
2265	}	3159	}
2266	warn "end emergency map save\n";	3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
2267	};	3165	};
2268		3166
2269	warn "leave emergency perl save\n";	3167	warn "leave emergency perl save\n";
2270	}	3168	}
2271		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2272	sub reload() {	3177	sub do_reload_perl() {
2273	# can/must only be called in main	3178	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3180	warn "can only reload from main coroutine";
2276	return;	3181	return;
2277	}	3182	}
2278		3183
2279	warn "reloading...";	3184	warn "reloading...";
2280		3185
2281	warn "freezing server";	3186	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2284		3192
2285	warn "sync database to disk";	3193	warn "syncing database to disk";
2286	cf::db_sync;	3194	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3195
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2291		3197
2292	warn "cancel all watchers";	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3201	}
2296		3202
		3203	warn "flushing outstanding aio requests";
		3204	for (;;) {
		3205	BDB::flush;
		3206	IO::AIO::flush;
		3207	Coro::cede;
		3208	last unless IO::AIO::nreqs || BDB::nreqs;
		3209	warn "iterate...";
		3210	}
		3211
		3212	++$RELOAD;
		3213
2297	warn "cancel all extension coros";	3214	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3216	%EXT_CORO = ();
2300		3217
2301	warn "remove commands";	3218	warn "removing commands";
2302	%COMMAND = ();	3219	%COMMAND = ();
2303		3220
2304	warn "remove ext commands";	3221	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2306		3224
2307	warn "unload/nuke all extensions";	3225	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2310		3228
2311	if (my $cb = $pkg->can ("unload")) {	3229	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3230	eval {
…		…
2317		3235
2318	warn "... nuking $pkg";	3236	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3237	Symbol::delete_package $pkg;
2320	}	3238	}
2321		3239
2322	warn "unload all perl modules loaded from $LIBDIR";	3240	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3241	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3243
2326	warn "removing <$k>";	3244	warn "... unloading $k";
2327	delete $INC{$k};	3245	delete $INC{$k};
2328		3246
2329	$k =~ s/\.pm$//;	3247	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3248	$k =~ s/\//::/g;
2331		3249
…		…
2334	}	3252	}
2335		3253
2336	Symbol::delete_package $k;	3254	Symbol::delete_package $k;
2337	}	3255	}
2338		3256
2339	warn "get rid of safe::, as good as possible";	3257	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3260
2343	warn "unload cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2345		3264
2346	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3266	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2349		3268
		3269	warn "unload completed, starting to reload now";
		3270
2350	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2351	require cf;	3272	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3274
2354	warn "load config and database again";	3275	warn "loading config and database again";
2355	cf::cfg_load;	3276	cf::reload_config;
2356	cf::db_load;
2357		3277
2358	warn "load extensions";	3278	warn "loading extensions";
2359	cf::load_extensions;	3279	cf::load_extensions;
2360		3280
2361	warn "reattach attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3282	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3283	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2365	};	3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2366		3287
2367	if ($@) {	3288	warn "leaving sync_job";
		3289
		3290	1
		3291	} or do {
2368	warn $@;	3292	warn $@;
2369	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2370	exit 1;	3294	exit 1;
2371	}	3295	};
2372		3296
2373	warn "reloaded";	3297	warn "reloaded";
2374	};	3298	};
2375		3299
		3300	our $RELOAD_WATCHER; # used only during reload
		3301
		3302	sub reload_perl() {
		3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
		3305
		3306	$RELOAD_WATCHER ||= Event->timer (
		3307	reentrant => 0,
		3308	after => 0,
		3309	data => WF_AUTOCANCEL,
		3310	cb => sub {
		3311	do_reload_perl;
		3312	undef $RELOAD_WATCHER;
		3313	},
		3314	);
		3315	}
		3316
2376	register_command "reload" => sub {	3317	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2378		3319
2379	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3321	$who->message ("reloading server.");
		3322	async { reload_perl };
2383	}	3323	}
2384	};	3324	};
2385		3325
2386	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2387		3327
		3328	my $bug_warning = 0;
		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3354	reentrant => 0,
		3355	parked => 1,
2390	prio => 0,	3356	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3358	data => WF_AUTOCANCEL,
2393	cb => sub {	3359	cb => sub {
		3360	if ($Coro::current != $Coro::main) {
		3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3362	unless ++$bug_warning > 10;
		3363	return;
		3364	}
		3365
2394	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2395		3367
2396	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2397	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2399		3395
2400	$WAIT_FOR_TICK->broadcast;	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
2402		3415
2403	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3418
2406	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2408	},	3428	},
2409	);	3429	);
2410		3430
		3431	{
		3432	BDB::max_poll_time $TICK * 0.1;
		3433	$BDB_POLL_WATCHER = Event->io (
		3434	reentrant => 0,
		3435	fd => BDB::poll_fileno,
		3436	poll => 'r',
		3437	prio => 0,
		3438	data => WF_AUTOCANCEL,
		3439	cb => \&BDB::poll_cb,
		3440	);
		3441	BDB::min_parallel 8;
		3442
		3443	BDB::set_sync_prepare {
		3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
		3477	};
		3478	}
		3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3485	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3486	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3487	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3488	data => WF_AUTOCANCEL,
2423	after => 0,	3489	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3490	poll => 'r',
2425	cb => sub {	3491	prio => 6,
2426	(Coro::unblock_sub {	3492	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3493	);
2428	or warn "ERROR: unable to write runtime file: $!";	3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
2429	})->();	3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3531	}
2431	);	3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2432		3536
2433	END { cf::emergency_save }	3537	END { cf::emergency_save }
2434		3538
2435	1	3539	1
2436		3540

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