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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.364 by root, Tue Sep 11 08:41:11 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 $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
53		88
54	our %CFG;	89	our %CFG;
55		90
56	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	92	our $RUNTIME;
58		93
59	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
67	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
70	binmode STDOUT;	105	binmode STDOUT;
71	binmode STDERR;	106	binmode STDERR;
72		107
73	# read virtual server time, if available	108	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
78	}	113	}
79		114
80	mkdir cf::localdir;	115	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		117
86	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
87		121
88	#############################################################################	122	#############################################################################
89		123
90	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
91		125
…		…
98	=item $cf::RUNTIME	132	=item $cf::RUNTIME
99		133
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	135	every server tick.
102		136
103	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		140
105	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
107		145
108	=item $cf::NOW	146	=item $cf::NOW
109		147
110	The time of the last (current) server tick.	148	The time of the last (current) server tick.
111		149
112	=item $cf::TICK	150	=item $cf::TICK
113		151
114	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
115		163
116	=item %cf::CFG	164	=item %cf::CFG
117		165
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	167	from wherever your confdir points to.
120		168
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		170
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	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	172	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	173	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.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
127		180
128	=back	181	=back
129		182
130	=cut	183	=cut
131		184
132	BEGIN {	185	BEGIN {
133	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	187	my $msg = join "", @_;
135	utf8::encode $msg;
136		188
137	$msg .= "\n"	189	$msg .= "\n"
138	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		193
140	LOG llevError, $msg;	194	LOG llevError, $msg;
141	};	195	};
142	}	196	}
143		197
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		205
151	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	207	# within the Safe compartment.
153	for my $pkg (qw(	208	for my $pkg (qw(
154	cf::global cf::attachable	209	cf::global cf::attachable
…		…
162	}	217	}
163		218
164	$Event::DIED = sub {	219	$Event::DIED = sub {
165	warn "error in event callback: @_";	220	warn "error in event callback: @_";
166	};	221	};
		222
		223	#############################################################################
167		224
168	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
169		226
170	=over 4	227	=over 4
171		228
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	248	$d
192	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
193	}	250	}
194		251
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
198		253
199	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
200		255
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
209		257
210	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
211		259
212	=cut	260	=cut
213		261
214	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
216	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
218		266
219	=item cf::lock_wait $string	267	=item cf::lock_wait $string
220		268
221	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
222		270
…		…
225	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
228	returned.	276	returned.
229		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
230	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
232		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
233	=cut	288	=cut
234		289
235	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
236		292
237	sub lock_wait($) {	293	sub lock_wait($) {
238	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
239		300
240	# wait for lock, if any	301	# wait for lock, if any
241	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	304	Coro::schedule;
…		…
249		310
250	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
251	lock_wait $key;	312	lock_wait $key;
252		313
253	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
254		316
255	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
258	}	321	}
259	}	322	}
260		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
261	sub freeze_mainloop {	330	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
263		332
264	my $guard = Coro::guard {	333	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	335	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
270	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
271	}	394	}
272		395
273	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
274		397
275	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		403
281	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
282		405
283	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
284		407
285	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
288		412
289	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
292	fast or be very important.	416	fast or be very important.
…		…
295		419
296	sub sync_job(&) {	420	sub sync_job(&) {
297	my ($job) = @_;	421	my ($job) = @_;
298		422
299	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
300	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
302		428
303	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
315		441
316	while ($busy) {	442	while ($busy) {
317	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
318	}	444	}
319		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
320	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
321	} else {	454	} else {
322	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
323		456
324	$job->()	457	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
344		477
345	$coro	478	$coro
346	}	479	}
347		480
348	sub write_runtime {	481	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		482
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
352	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
353		487
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	488	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		489
358	aio_fsync $fh	490	sub fork_call(&@) {
359	and return;	491	my ($cb, @args) = @_;
360		492
361	close $fh	493	# we seemingly have to make a local copy of the whole thing,
362	or return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
363		496
364	aio_rename "$runtime~", $runtime	497	my @res = Coro::Util::fork_eval {
365	and return;	498	reset_signals;
		499	&$cb
		500	}, @args;
366		501
		502	wantarray ? @res : $res[-1]
		503	}
		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
367	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	641	}
369		642
370	=back	643	=back
371		644
372	=cut	645	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
381		654
382	In the following description, CLASS can be any of C<global>, C<object>	655	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	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	657	Crossfire TRT).
385		658
386	=over 4	659	=over 4
387		660
388	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
389		662
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
553		826
554	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		831
559	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	833	my $pkg = shift @arg;
561		834
562	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
592	}	865	}
593		866
594	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
595	} else {	868	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	870	}
598		871
599	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
600	}	873	}
601		874
…		…
603	if (ref $_[0]) {	876	if (ref $_[0]) {
604	_object_attach @_;	877	_object_attach @_;
605	} else {	878	} else {
606	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
607	}	880	}
		881	_recalc_want;
608	};	882	};
609		883
610	# all those should be optimised	884	# all those should be optimised
611	sub cf::attachable::detach {	885	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
616	reattach ($obj);	890	reattach ($obj);
617	} else {	891	} else {
618	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
619	}	893	}
		894	_recalc_want;
620	};	895	};
621		896
622	sub cf::attachable::attached {	897	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
624		899
…		…
639	";	914	";
640	die if $@;	915	die if $@;
641	}	916	}
642		917
643	our $override;	918	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		920
646	sub override {	921	sub override {
647	$override = 1;	922	$override = 1;
648	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
649	}	924	}
650		925
651	sub do_invoke {	926	sub do_invoke {
652	my $event = shift;	927	my $event = shift;
653	my $callbacks = shift;	928	my $callbacks = shift;
654		929
655	@invoke_results = ();	930	@INVOKE_RESULTS = ();
656		931
657	local $override;	932	local $override;
658		933
659	for (@$callbacks) {	934	for (@$callbacks) {
660	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
677		952
678	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
679		954
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		958
684	=back	959	=back
685		960
686	=cut	961	=cut
687		962
688	#############################################################################	963	#############################################################################
689	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
690		976
691	sub reattach {	977	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	979	my ($obj) = @_;
694		980
…		…
739	);	1025	);
740		1026
741	sub object_freezer_save {	1027	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
743		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
744	sync_job {	1032	sync_job {
745	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
748		1037
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1042	close $fh;
754		1043
755	if (@$objs) {	1044	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1050	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
763	}	1052	}
764	} else {	1053	} else {
765	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
771	}	1060	}
772	} else {	1061	} else {
773	aio_unlink $filename;	1062	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
775	}	1064	}
776	}	1065	};
		1066
		1067	undef $guard;
777	}	1068	}
778		1069
779	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
781		1072
…		…
786		1077
787	sub object_thawer_load {	1078	sub object_thawer_load {
788	my ($filename) = @_;	1079	my ($filename) = @_;
789		1080
790	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
791		1084
792	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
793	or return;	1086	or return;
794		1087
795	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
797	or return;	1090	or return;
		1091
		1092	undef $guard;
798	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1094	}
800		1095
		1096	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
803	return ($data, $av);	1100	($data, $av)
804	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
805		1108
806	#############################################################################	1109	#############################################################################
807	# command handling &c	1110	# command handling &c
808		1111
809	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1126	}
824		1127
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1129
827	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
828		1135
829	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
830	called.	1137	called.
831		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
832	=cut	1150	=cut
833		1151
834	sub register_extcmd {	1152	sub register_extcmd {
835	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
836		1154
837	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
838	}	1162	}
839		1163
840	cf::player->attach (	1164	cf::player->attach (
841	on_command => sub {	1165	on_command => sub {
842	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1175	cf::override;
852	},	1176	},
853	on_extcmd => sub {	1177	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
855		1179
856	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1181
858	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
864	} else {	1197	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1199	}
867		1200
868	cf::override;	1201	cf::override;
869	},	1202	},
870	);	1203	);
871		1204
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
907	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1210	next unless -r $path;
909	eval {	1211
910	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
911	1	1269	}
912	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
913	}	1275	};
914	}	1276	}
915		1277
916	#############################################################################	1278	#############################################################################
917		1279
		1280	=back
		1281
918	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
919		1283
920	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
921		1285
922	=cut	1286	=cut
…		…
927		1291
928	=head3 cf::player	1292	=head3 cf::player
929		1293
930	=over 4	1294	=over 4
931		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
932	=item cf::player::find $login	1310	=item cf::player::find $login
933		1311
934	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
935		1313
936	=cut	1314	=cut
937		1315
938	sub playerdir($) {	1316	sub playerdir($) {
939	cf::localdir	1317	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1319	}
945		1320
946	sub path($) {	1321	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1323
949	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
950	}	1325	}
951		1326
952	sub find_active($) {	1327	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
957		1332
958	sub exists($) {	1333	sub exists($) {
959	my ($login) = @_;	1334	my ($login) = @_;
960		1335
961	$cf::PLAYER{$login}	1336	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1337	or cf::sync_job { !aio_stat path $login }
963	}	1338	}
964		1339
965	sub find($) {	1340	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1341	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1342	my $login = $_[0];
968		1343
969	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
970		1345
971	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
973	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
975	}	1363	}
976	}	1364	}
977	}	1365	}
978		1366
…		…
988		1376
989	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
991		1379
992	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
993	Coro::cede;	1381	cf::cede_to_tick;
994	}	1382	}
995		1383
996	sub new($) {	1384	sub new($) {
997	my ($login) = @_;	1385	my ($login) = @_;
998		1386
…		…
1004	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1005		1393
1006	$self	1394	$self
1007	}	1395	}
1008		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1009	=item $pl->quit_character	1407	=item $pl->quit_character
1010		1408
1011	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1013		1411
1014	=cut	1412	=cut
1015		1413
1016	sub quit_character {	1414	sub quit_character {
1017	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1018		1418
1019	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1421
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1032	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1033	}	1453	}
1034		1454
1035	=item cf::player::list_logins	1455	=item cf::player::list_logins
1036		1456
1037	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1039		1459
1040	=cut	1460	=cut
1041		1461
1042	sub list_logins {	1462	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1464	or return [];
1045		1465
1046	my @logins;	1466	my @logins;
1047		1467
1048	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1052		1477
1053	utf8::decode $login;	1478	utf8::decode $login;
1054	push @logins, $login;	1479	push @logins, $login;
1055	}	1480	}
1056		1481
…		…
1064		1489
1065	=cut	1490	=cut
1066		1491
1067	sub maps($) {	1492	sub maps($) {
1068	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1496
1070	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1071	or return;	1498	or return;
1072		1499
1073	my @paths;	1500	my @paths;
…		…
1075	for (@$files) {	1502	for (@$files) {
1076	utf8::decode $_;	1503	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1079		1506
1080	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1508	}
1083		1509
1084	\@paths	1510	\@paths
1085	}	1511	}
1086		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1088		1565
1089	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1090		1567
1091	=cut	1568	=cut
1092		1569
1093	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1095		1572
1096	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1574	}
1100		1575
1101	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1102		1616
1103	=back	1617	=back
1104
1105		1618
1106	=head3 cf::map	1619	=head3 cf::map
1107		1620
1108	=over 4	1621	=over 4
1109		1622
…		…
1113		1626
1114	use Fcntl;	1627	use Fcntl;
1115	use Coro::AIO;	1628	use Coro::AIO;
1116		1629
1117	use overload	1630	use overload
1118	'""' => \&as_string;	1631	'""' => \&as_string,
		1632	fallback => 1;
1119		1633
1120	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1122		1636
1123	sub generate_random_map {	1637	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1640	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1652	)
1140	}	1653	}
1141		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
1142	sub register {	1663	sub register {
1143	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1665	my $pkg = caller;
1145		1666
1146	no strict;	1667	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1669
1149	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1671	}
1151		1672
1152	# also paths starting with '/'	1673	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1675
1155	sub thawer_merge {	1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
1156	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1680	local $self->{path};
1158	local $_[0]{deny_save};	1681	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1682
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1683	$self->SUPER::thawer_merge ($merge);
1162	}	1684	}
1163		1685
1164	sub normalise {	1686	sub normalise {
1165	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1166		1692
1167	# map plan:	1693	# map plan:
1168	#	1694	#
1169	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1198		1724
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1726
1201	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1202		1728
1203	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1208	return $self;	1734	return $self;
1209	}	1735	}
1210	}	1736	}
1211		1737
1212	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1739	()
1214	}	1740	}
1215		1741
1216	sub init {	1742	sub init {
1217	my ($self) = @_;	1743	my ($self) = @_;
…		…
1232		1758
1233	# the original (read-only) location	1759	# the original (read-only) location
1234	sub load_path {	1760	sub load_path {
1235	my ($self) = @_;	1761	my ($self) = @_;
1236		1762
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1238	}	1764	}
1239		1765
1240	# the temporary/swap location	1766	# the temporary/swap location
1241	sub save_path {	1767	sub save_path {
1242	my ($self) = @_;	1768	my ($self) = @_;
1243		1769
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1246	}	1772	}
1247		1773
1248	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1249	sub uniq_path {	1775	sub uniq_path {
1250	my ($self) = @_;	1776	my ($self) = @_;
1251		1777
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1254	}	1780	}
1255		1781
1256	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1257	# all maps in C++...	1783	# all maps in C++...
1258	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1260		1786
1261	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1263	}	1789	}
1264		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1265	sub unlink_save {	1799	sub unlink_save {
1266	my ($self) = @_;	1800	my ($self) = @_;
1267		1801
1268	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1806
1273	sub load_header_from($) {	1807	sub load_header_from($) {
1274	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1275		1809
1276	utf8::encode $path;	1810	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1278	or return;	1812	or return;
1279		1813
1280	$self->_load_header ($path)	1814	$self->_load_header ($f)
1281	or return;	1815	or return;
1282		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1283	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1284		1821
1285	1	1822	1
1286	}	1823	}
1287		1824
1288	sub load_orig {	1825	sub load_header_orig {
1289	my ($self) = @_;	1826	my ($self) = @_;
1290		1827
1291	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1292	}	1829	}
1293		1830
1294	sub load_temp {	1831	sub load_header_temp {
1295	my ($self) = @_;	1832	my ($self) = @_;
1296		1833
1297	$self->load_header_from ($self->save_path)	1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
1298	}	1854	}
1299		1855
1300	sub load_header {	1856	sub load_header {
1301	my ($self) = @_;	1857	my ($self) = @_;
1302		1858
1303	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1861	} else {
1310	$self->load_orig	1862	$self->load_header_orig
1311	or return;	1863	or return;
1312		1864	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1865	}
		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
1318		1872
1319	1	1873	1
1320	}	1874	}
1321		1875
1322	sub find;	1876	sub find;
1323	sub find {	1877	sub find {
1324	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1325		1879
1326	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1327		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1329		1884
1330	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1331	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1332	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1333	or return;	1890	or return;
1334		1891
1335	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1336		1893
1337	$map->load_header	1894	$map->load_header
1338	or return;	1895	or return;
1339		1896
1340	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
1341	$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1342	$map->reset;	1902	$map->reset;
1343	undef $guard;
1344	$map = find $path	1903	return find $path;
1345	or return;
1346	}	1904	}
1347		1905
1348	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1349	}	1907	}
1350	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1351		1912
1352	sub load {	1913	sub load {
1353	my ($self) = @_;	1914	my ($self) = @_;
1354		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1355	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1356	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1357		1922
		1923	return unless $self->valid;
1358	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1359		1925
1360	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1361		1927
1362	$self->alloc;	1928	$self->alloc;
1363	$self->_load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1364	or return;	1936	or return;
1365		1937
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1367	if delete $self->{load_original};	1939	if delete $self->{load_original};
1368		1940
1369	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	1942	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1372	$self->clear_unique_items;	1945	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1374	}	1949	}
1375	}	1950	}
1376		1951
1377	Coro::cede;	1952	$f->resolve_delayed_derefs;
1378		1953
		1954	cf::cede_to_tick;
1379	# now do the right thing for maps	1955	# now do the right thing for maps
1380	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	1958	unless $self->difficulty;
1390	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1391	$self->activate;	1968	$self->activate;
1392	}	1969	}
1393		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1394	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1395	}	1978	}
1396		1979
1397	sub customise_for {	1980	sub customise_for {
1398	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1399		1982
1400	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	1984	if $self->per_player;
1402		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1403	$self	1989	$self
1404	}	1990	}
1405		1991
1406	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	1993	sub load_neighbours {
1408	my ($map) = @_;	1994	my ($map) = @_;
1409		1995
1410	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1411		1997
1412	for (0 .. 3) {	1998	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1414	or next;	2000	or next;
1415	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1416	or next;	2002	or next;
1417	$neigh->load;	2003	$neigh->load;
1418		2004
		2005	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	2008	}
1422		2009
1423	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1425	or next;	2013	or next;
1426	$neigh->load;	2014	$neigh->load;
1427	}	2015	}
1428	}	2016	}
1429		2017
…		…
1434	}	2022	}
1435		2023
1436	sub do_load_sync {	2024	sub do_load_sync {
1437	my ($map) = @_;	2025	my ($map) = @_;
1438		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1439	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1440	}	2031	}
1441		2032
1442	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		2035
1456	sub find_async {	2036	sub find_async {
1457	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1458		2038
1459	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1460		2040
1461	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1463	}	2058	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1467		2060
1468	()	2061	()
1469	}	2062	}
1470		2063
1471	sub save {	2064	sub save {
1472	my ($self) = @_;	2065	my ($self) = @_;
1473		2066
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1475		2068
1476	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1477		2070
1478	return unless $self->dirty;	2071	return unless $self->dirty;
1479		2072
…		…
1502	my ($self) = @_;	2095	my ($self) = @_;
1503		2096
1504	# save first because save cedes	2097	# save first because save cedes
1505	$self->save;	2098	$self->save;
1506		2099
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2101
1509	return if $self->players;	2102	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};	2104	return if $self->{deny_save};
1512		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1513	$self->clear;	2110	$self->clear;
1514	$self->in_memory (cf::MAP_SWAPPED);
1515	}	2111	}
1516		2112
1517	sub reset_at {	2113	sub reset_at {
1518	my ($self) = @_;	2114	my ($self) = @_;
1519		2115
1520	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1523		2118
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2121
…		…
1531	my ($self) = @_;	2126	my ($self) = @_;
1532		2127
1533	$self->reset_at <= $cf::RUNTIME	2128	$self->reset_at <= $cf::RUNTIME
1534	}	2129	}
1535		2130
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2131	sub reset {
1551	my ($self) = @_;	2132	my ($self) = @_;
1552		2133
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2135
1555	return if $self->players;	2136	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2137
1558	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1559		2149
1560	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1561		2151
1562	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1563	$self->clear;	2154	$self->clear;
1564
1565	$_->clear_links_to ($self) for values %cf::MAP;
1566		2155
1567	$self->unlink_save;	2156	$self->unlink_save;
1568	$self->destroy;	2157	$self->destroy;
1569	}	2158	}
1570		2159
1571	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1572		2161
1573	sub nuke {	2162	sub nuke {
1574	my ($self) = @_;	2163	my ($self) = @_;
1575		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
		2168	delete $cf::MAP{$self->path};
		2169
		2170	$self->unlink_save;
		2171
		2172	bless $self, "cf::map";
		2173	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2177
		2178	$cf::MAP{$self->path} = $self;
		2179	}
		2180
1579	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1580	}	2218	}
1581		2219
1582	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1583		2221
1584	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2223	instantiated unique items. May block.
1586		2224
1587	=cut	2225	=cut
1588		2226
1589	sub unique_maps() {	2227	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1591	or return;	2229	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2230	utf8::decode $_;
1597	next if /\.pst$/;
1598	next unless /^$PATH_SEP/o;
1599
1600	s/\.map$//;	2231	/\.map$/
1601	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1602	}	2235	]
1603
1604	\@paths
1605	}	2236	}
1606		2237
1607	package cf;	2238	package cf;
1608		2239
1609	=back	2240	=back
…		…
1627	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1628	}	2259	}
1629		2260
1630	sub inv_recursive {	2261	sub inv_recursive {
1631	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1632	}	2294	}
1633		2295
1634	package cf;	2296	package cf;
1635		2297
1636	=back	2298	=back
…		…
1655		2317
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2319
1658	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1660	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1661	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1663	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1664	}	2345	}
1665		2346
1666	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1667		2348
1668	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1700	=cut	2381	=cut
1701		2382
1702	sub link_map {	2383	sub link_map {
1703	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2387	$LINK_MAP->load;
1707	}	2388	}
1708		2389
1709	$LINK_MAP	2390	$LINK_MAP
1710	}	2391	}
…		…
1715	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1716		2397
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2399
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1721		2402
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1723	}	2404	}
1724		2405
1725	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1727		2410
1728	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1729		2412
1730	unless ($map) {	2413	unless ($map) {
1731	# restore original map position	2414	# restore original map position
…		…
1745	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1748		2431
1749	$map->load;	2432	$map->load;
1750	$map->load_diag;	2433	$map->load_neighbours;
1751		2434
1752	return unless $self->contr->active;	2435	return unless $self->contr->active;
1753	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1755	}	2440	}
1756		2441
1757	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1758	on_logout => sub {
1759	my ($pl) = @_;
1760		2443
1761	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1762	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1763	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1764	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1765	};	2448	be called at the end of this process.
1766	}
1767	},
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2449
1771	# try to abort aborted map switching on player login :)
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788
1789	=item $player_object->goto ($path, $x, $y)
1790
1791	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1792		2453
1793	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1794	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1795		2459
1796	$self->enter_link;	2460	$self->enter_link;
1797		2461
1798	(async {	2462	(async {
		2463	my $map = eval {
1799	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
1801		2468	$map = $check->($map) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2469	} else {
1803	# if $map;
1804
1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
1806		2472
		2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
		2479	}
		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1807	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1808	})->prio (1);	2487	})->prio (1);
1809	}	2488	}
1810		2489
1811	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1812		2491
…		…
1814		2493
1815	sub parse_random_map_params {	2494	sub parse_random_map_params {
1816	my ($spec) = @_;	2495	my ($spec) = @_;
1817		2496
1818	my $rmp = { # defaults	2497	my $rmp = { # defaults
1819	xsize => 10,	2498	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2499	ysize => (cf::rndm 15, 40),
		2500	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2501	#layout => string,
1821	};	2502	};
1822		2503
1823	for (split /\n/, $spec) {	2504	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2505	my ($k, $v) = split /\s+/, $_, 2;
1825		2506
…		…
1829	$rmp	2510	$rmp
1830	}	2511	}
1831		2512
1832	sub prepare_random_map {	2513	sub prepare_random_map {
1833	my ($exit) = @_;	2514	my ($exit) = @_;
		2515
		2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2517
1835	# all this does is basically replace the /! path by	2518	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2519	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2520	# that depends on the exit object
1838		2521
1839	my $rmp = parse_random_map_params $exit->msg;	2522	my $rmp = parse_random_map_params $exit->msg;
1840		2523
1841	if ($exit->map) {	2524	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2525	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2526	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2527	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2528	$rmp->{origin_y} = $exit->y;
1846	}	2529	}
1847		2530
1848	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1849		2532
1850	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
		2535	my $meta = "$RANDOMDIR/$md5.meta";
1852		2536
1853	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
		2539	undef $fh;
		2540	aio_rename "$meta~", $meta;
1855		2541
1856	$exit->slaying ("?random/$md5");	2542	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2543	$exit->msg (undef);
1858	}	2544	}
1859	}	2545	}
…		…
1861	sub cf::object::player::enter_exit {	2547	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2548	my ($self, $exit) = @_;
1863		2549
1864	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1865		2551
		2552	if ($exit->slaying eq "/!") {
		2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2554	# the problem is that $exit might not survive long enough
		2555	# so it needs to be done right now, right here
		2556	cf::sync_job { prepare_random_map $exit };
		2557	}
		2558
		2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2560	my $hp = $exit->stats->hp;
		2561	my $sp = $exit->stats->sp;
		2562
1866	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
1867		2568
1868	(async {	2569	(async {
1869	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1870	unless (eval {	2571	unless (eval {
1871	prepare_random_map $exit	2572	$self->goto ($slaying, $hp, $sp);
1872	if $exit->slaying eq "/!";
1873
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876		2573
1877	1;	2574	1;
1878	}) {	2575	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1880	. "I'll try to bring you back to the map you were before. "	2577	. "I'll try to bring you back to the map you were before. "
1881	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2580
1884	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1885	$self->leave_link;	2582	$self->leave_link;
1886	}	2583	}
1887	})->prio (1);	2584	})->prio (1);
…		…
1900		2597
1901	sub cf::client::send_drawinfo {	2598	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2599	my ($self, $text, $flags) = @_;
1903		2600
1904	utf8::encode $text;	2601	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2603	}
1907		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
		2686	=item $client->ext_msg ($type, @msg)
		2687
		2688	Sends an ext event to the client.
		2689
		2690	=cut
		2691
		2692	sub cf::client::ext_msg($$@) {
		2693	my ($self, $type, @msg) = @_;
		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
		2698	push @msg, msgtype => "event_$type";
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
		2719	}
1908		2720
1909	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
1910		2722
1911	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
1912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1914		2726
1915	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
1916	reliable at some point in the future.	2728	become reliable at some point in the future.
1917		2729
1918	=cut	2730	=cut
1919		2731
1920	sub cf::client::query {	2732	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	2741	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		2743
1932	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
1934	}	2748	}
1935		2749
1936	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
1937	on_reply => sub {	2756	on_reply => sub {
1938	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
1939		2758
1940	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
1941	# get handled first	2760	# get handled first
1942	my $queue = delete $ns->{query_queue}	2761	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	2762	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		2763
1945	(shift @$queue)->[1]->($msg);	2764	(shift @$queue)->[1]->($msg);
		2765	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		2766
1947	push @{ $ns->{query_queue} }, @$queue;	2767	push @{ $ns->{query_queue} }, @$queue;
1948		2768
1949	if (@{ $ns->{query_queue} } == @$queue) {	2769	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	2770	if (@$queue) {
…		…
1952	} else {	2772	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	2774	}
1955	}	2775	}
1956	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
1957	);	2803	);
1958		2804
1959	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
1960		2806
1961	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2004		2850
2005	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2006		2852
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2008		2858
2009	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2010		2860
2011	=pod	2861	=pod
2012		2862
2013	The following fucntions and emthods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2014		2864
2015	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2016	cf::object::player player	2869	cf::object::player
2017	cf::player peaceful	2870	player
2018	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2019		2877
2020	=cut	2878	=cut
2021		2879
2022	for (	2880	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2024	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2026	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2027	) {	2887	) {
2028	no strict 'refs';	2888	no strict 'refs';
…		…
2099	=back	2959	=back
2100		2960
2101	=cut	2961	=cut
2102		2962
2103	#############################################################################	2963	#############################################################################
		2964	# the server's init and main functions
2104		2965
2105	=head2 EXTENSION DATABASE SUPPORT	2966	sub load_facedata($) {
		2967	my ($path) = @_;
2106		2968
2107	Crossfire maintains a very simple database for extension use. It can	2969	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	2970	# for this (global event?)
2109	excludes objects.	2971	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		2972
2111	The parameter C<$family> should best start with the name of the extension	2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		2974
2114	=over 4	2975	warn "loading facedata from $path\n";
2115		2976
2116	=item $hashref = cf::db_get $family	2977	my $facedata;
		2978	0 < aio_load $path, $facedata
		2979	or die "$path: $!";
2117		2980
2118	Return a hashref for use by the extension C<$family>, which can be	2981	$facedata = Coro::Storable::thaw $facedata;
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121		2982
2122	=item $value = cf::db_get $family => $key	2983	$facedata->{version} == 2
		2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		2985
2124	Returns a single value from the database	2986	# patch in the exptable
2125		2987	$facedata->{resource}{"res/exp_table"} = {
2126	=item cf::db_put $family => $hashref	2988	type => FT_RSRC,
2127		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	2990	};
		2991	cf::cede_to_tick;
2177		2992
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	2993	{
		2994	my $faces = $facedata->{faceinfo};
2182		2995
2183	sub db_get($;$) {	2996	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}	2998	cf::face::set_visibility $idx, $info->{visibility};
2186	: ($DB->{$_[0]} ||= { })	2999	cf::face::set_magicmap $idx, $info->{magicmap};
2187	}	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2188		3002
2189	sub db_put($$;$) {	3003	cf::cede_to_tick;
2190	if (@_ >= 3) {
2191	$DB->{$_[0]}{$_[1]} = $_[2];
2192	} else {
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197
2198	cf::global->attach (
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	3004	}
2203	);
2204	}
2205		3005
2206	#############################################################################	3006	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	3007	next unless $info->{smooth};
		3008	my $idx = cf::face::find $face
		3009	or next;
		3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
		3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3013	} else {
		3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3015	}
2208		3016
2209	sub cfg_load {	3017	cf::cede_to_tick;
		3018	}
		3019	}
		3020
		3021	{
		3022	my $anims = $facedata->{animinfo};
		3023
		3024	while (my ($anim, $info) = each %$anims) {
		3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3026	cf::cede_to_tick;
		3027	}
		3028
		3029	cf::anim::invalidate_all; # d'oh
		3030	}
		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
		3081	1
		3082	}
		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
		3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
		3106	sub reload_facedata {
		3107	load_facedata "$DATADIR/facedata"
		3108	or die "unable to load facedata\n";
		3109	}
		3110
		3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
		3119	}
		3120
		3121	sub reload_treasures {
		3122	load_resource_file "$DATADIR/treasures"
		3123	or die "unable to load treasurelists\n";
		3124	}
		3125
		3126	sub reload_resources {
		3127	warn "reloading resource files...\n";
		3128
		3129	reload_regions;
		3130	reload_facedata;
		3131	#reload_archetypes;#d#
		3132	reload_archetypes;
		3133	reload_treasures;
		3134
		3135	warn "finished reloading resource files\n";
		3136	}
		3137
		3138	sub init {
		3139	reload_resources;
		3140	}
		3141
		3142	sub reload_config {
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2211	or return;	3144	or return;
2212		3145
2213	local $/;	3146	local $/;
2214	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2215		3148
…		…
2229		3162
2230	sub main {	3163	sub main {
2231	# we must not ever block the main coroutine	3164	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3165	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3166	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3167	(async {
2234	async { Event::one_event };	3168	Event::one_event;
		3169	})->prio (Coro::PRIO_MAX);
2235	};	3170	};
2236		3171
2237	cfg_load;	3172	reload_config;
2238	db_load;	3173	db_init;
2239	load_extensions;	3174	load_extensions;
		3175
		3176	$TICK_WATCHER->start;
2240	Event::loop;	3177	Event::loop;
2241	}	3178	}
2242		3179
2243	#############################################################################	3180	#############################################################################
2244	# initialisation and cleanup	3181	# initialisation and cleanup
2245		3182
2246	# install some emergency cleanup handlers	3183	# install some emergency cleanup handlers
2247	BEGIN {	3184	BEGIN {
2248	for my $signal (qw(INT HUP TERM)) {	3185	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3186	Event->signal (
		3187	reentrant => 0,
2250	data => WF_AUTOCANCEL,	3188	data => WF_AUTOCANCEL,
2251	signal => $signal,	3189	signal => $signal,
		3190	prio => 0,
2252	cb => sub {	3191	cb => sub {
2253	cf::cleanup "SIG$signal";	3192	cf::cleanup "SIG$signal";
2254	},	3193	},
2255	);	3194	);
2256	}	3195	}
		3196	}
		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
2257	}	3234	}
2258		3235
2259	sub emergency_save() {	3236	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2261		3238
…		…
2278	my $map = $cf::MAP{$path} or next;	3255	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3256	$map->valid or next;
2280	$map->save;	3257	$map->save;
2281	}	3258	}
2282	warn "end emergency map save\n";	3259	warn "end emergency map save\n";
		3260
		3261	warn "begin emergency database checkpoint\n";
		3262	BDB::db_env_txn_checkpoint $DB_ENV;
		3263	warn "end emergency database checkpoint\n";
2283	};	3264	};
2284		3265
2285	warn "leave emergency perl save\n";	3266	warn "leave emergency perl save\n";
2286	}	3267	}
2287		3268
		3269	sub post_cleanup {
		3270	my ($make_core) = @_;
		3271
		3272	warn Carp::longmess "post_cleanup backtrace"
		3273	if $make_core;
		3274	}
		3275
2288	sub reload() {	3276	sub do_reload_perl() {
2289	# can/must only be called in main	3277	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2291	warn "can only reload from main coroutine\n";	3279	warn "can only reload from main coroutine";
2292	return;	3280	return;
2293	}	3281	}
2294		3282
2295	warn "reloading...";	3283	warn "reloading...";
2296		3284
2297	warn "freezing server";	3285	warn "entering sync_job";
2298	my $guard = freeze_mainloop;	3286
		3287	cf::sync_job {
		3288	cf::write_runtime; # external watchdog should not bark
2299	cf::emergency_save;	3289	cf::emergency_save;
		3290	cf::write_runtime; # external watchdog should not bark
2300		3291
2301	warn "sync database to disk";	3292	warn "syncing database to disk";
2302	cf::db_sync;	3293	BDB::db_env_txn_checkpoint $DB_ENV;
2303	IO::AIO::flush;
2304		3294
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved	3295	# if anything goes wrong in here, we should simply crash as we already saved
2307		3296
2308	warn "cancel all watchers";	3297	warn "cancelling all WF_AUTOCANCEL watchers";
2309	for (Event::all_watchers) {	3298	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;	3299	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}	3300	}
2312		3301
		3302	warn "flushing outstanding aio requests";
		3303	for (;;) {
		3304	BDB::flush;
		3305	IO::AIO::flush;
		3306	Coro::cede;
		3307	last unless IO::AIO::nreqs || BDB::nreqs;
		3308	warn "iterate...";
		3309	}
		3310
		3311	++$RELOAD;
		3312
2313	warn "cancel all extension coros";	3313	warn "cancelling all extension coros";
2314	$_->cancel for values %EXT_CORO;	3314	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	3315	%EXT_CORO = ();
2316		3316
2317	warn "remove commands";	3317	warn "removing commands";
2318	%COMMAND = ();	3318	%COMMAND = ();
2319		3319
2320	warn "remove ext commands";	3320	warn "removing ext/exti commands";
2321	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2322		3323
2323	warn "unload/nuke all extensions";	3324	warn "unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2326		3327
2327	if (my $cb = $pkg->can ("unload")) {	3328	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3329	eval {
…		…
2333		3334
2334	warn "... nuking $pkg";	3335	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;	3336	Symbol::delete_package $pkg;
2336	}	3337	}
2337		3338
2338	warn "unload all perl modules loaded from $LIBDIR";	3339	warn "unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3340	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3342
2342	warn "removing <$k>";	3343	warn "... unloading $k";
2343	delete $INC{$k};	3344	delete $INC{$k};
2344		3345
2345	$k =~ s/\.pm$//;	3346	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3347	$k =~ s/\//::/g;
2347		3348
…		…
2350	}	3351	}
2351		3352
2352	Symbol::delete_package $k;	3353	Symbol::delete_package $k;
2353	}	3354	}
2354		3355
2355	warn "get rid of safe::, as good as possible";	3356	warn "getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		3359
2359	warn "unload cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2361		3363
2362	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3365	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2365		3367
		3368	warn "unload completed, starting to reload now";
		3369
2366	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2367	require cf;	3371	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369		3373
2370	warn "load config and database again";	3374	warn "loading config and database again";
2371	cf::cfg_load;	3375	cf::reload_config;
2372	cf::db_load;
2373		3376
2374	warn "load extensions";	3377	warn "loading extensions";
2375	cf::load_extensions;	3378	cf::load_extensions;
2376		3379
2377	warn "reattach attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
2378	_global_reattach;	3381	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3382	warn "reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
2381	};	3384	warn "reattaching attachments to players";
		3385	reattach $_ for values %PLAYER;
2382		3386
2383	if ($@) {	3387	warn "leaving sync_job";
		3388
		3389	1
		3390	} or do {
2384	warn $@;	3391	warn $@;
2385	warn "error while reloading, exiting.";	3392	warn "error while reloading, exiting.";
2386	exit 1;	3393	exit 1;
2387	}	3394	};
2388		3395
2389	warn "reloaded";	3396	warn "reloaded";
2390	};	3397	};
2391		3398
		3399	our $RELOAD_WATCHER; # used only during reload
		3400
		3401	sub reload_perl() {
		3402	# doing reload synchronously and two reloads happen back-to-back,
		3403	# coro crashes during coro_state_free->destroy here.
		3404
		3405	$RELOAD_WATCHER ||= Event->timer (
		3406	reentrant => 0,
		3407	after => 0,
		3408	data => WF_AUTOCANCEL,
		3409	cb => sub {
		3410	do_reload_perl;
		3411	undef $RELOAD_WATCHER;
		3412	},
		3413	);
		3414	}
		3415
2392	register_command "reload" => sub {	3416	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2394		3418
2395	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	3420	$who->message ("reloading server.");
		3421	async { reload_perl };
2399	}	3422	}
2400	};	3423	};
2401		3424
2402	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
		3426
		3427	my $bug_warning = 0;
		3428
		3429	our @WAIT_FOR_TICK;
		3430	our @WAIT_FOR_TICK_BEGIN;
		3431
		3432	sub wait_for_tick {
		3433	return unless $TICK_WATCHER->is_active;
		3434	return if $Coro::current == $Coro::main;
		3435
		3436	my $signal = new Coro::Signal;
		3437	push @WAIT_FOR_TICK, $signal;
		3438	$signal->wait;
		3439	}
		3440
		3441	sub wait_for_tick_begin {
		3442	return unless $TICK_WATCHER->is_active;
		3443	return if $Coro::current == $Coro::main;
		3444
		3445	my $signal = new Coro::Signal;
		3446	push @WAIT_FOR_TICK_BEGIN, $signal;
		3447	$signal->wait;
		3448	}
		3449
		3450	our $stat_fh;
		3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2403		3452
2404	$TICK_WATCHER = Event->timer (	3453	$TICK_WATCHER = Event->timer (
2405	reentrant => 0,	3454	reentrant => 0,
		3455	parked => 1,
2406	prio => 0,	3456	prio => 0,
2407	at => $NEXT_TICK || $TICK,	3457	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,	3458	data => WF_AUTOCANCEL,
2409	cb => sub {	3459	cb => sub {
		3460	if ($Coro::current != $Coro::main) {
		3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3462	unless ++$bug_warning > 10;
		3463	return;
		3464	}
		3465
		3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3467
2410	$NOW = Event::time;	3468	$NOW = $tick_start = Event::time;
2411		3469
2412	cf::server_tick; # one server iteration	3470	cf::server_tick; # one server iteration
		3471
2413	$RUNTIME += $TICK;	3472	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;	3473	$NEXT_TICK += $TICK;
2415		3474
2416	$WAIT_FOR_TICK->broadcast;	3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3476	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3477	Coro::async_pool {
		3478	write_runtime
		3479	or warn "ERROR: unable to write runtime file: $!";
		3480	};
		3481	}
		3482
		3483	# my $AFTER = Event::time;
		3484	# warn $AFTER - $NOW;#d#
		3485
		3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3487	$sig->send;
		3488	}
		3489	while (my $sig = shift @WAIT_FOR_TICK) {
		3490	$sig->send;
		3491	}
		3492
		3493	$NOW = Event::time;
2418		3494
2419	# if we are delayed by four ticks or more, skip them all	3495	# if we are delayed by four ticks or more, skip them all
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421		3497
2422	$TICK_WATCHER->at ($NEXT_TICK);	3498	$TICK_WATCHER->at ($NEXT_TICK);
2423	$TICK_WATCHER->start;	3499	$TICK_WATCHER->start;
		3500
		3501	$LOAD = ($NOW - $tick_start) / $TICK;
		3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3503
		3504	_post_tick;
		3505
		3506	# gather some statistics#d#
		3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2424	},	3509	},
2425	);	3510	);
2426		3511
		3512	{
		3513	BDB::min_parallel 8;
		3514	BDB::max_poll_time $TICK * 0.1;
		3515	$BDB_POLL_WATCHER = Event->io (
		3516	reentrant => 0,
		3517	fd => BDB::poll_fileno,
		3518	poll => 'r',
		3519	prio => 0,
		3520	data => WF_AUTOCANCEL,
		3521	cb => \&BDB::poll_cb,
		3522	);
		3523
		3524	BDB::set_sync_prepare {
		3525	my $status;
		3526	my $current = $Coro::current;
		3527	(
		3528	sub {
		3529	$status = $!;
		3530	$current->ready; undef $current;
		3531	},
		3532	sub {
		3533	Coro::schedule while defined $current;
		3534	$! = $status;
		3535	},
		3536	)
		3537	};
		3538
		3539	unless ($DB_ENV) {
		3540	$DB_ENV = BDB::db_env_create;
		3541
		3542	cf::sync_job {
		3543	eval {
		3544	BDB::db_env_open
		3545	$DB_ENV,
		3546	$BDBDIR,
		3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3549	0666;
		3550
		3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3552
		3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3554	| BDB::LOG_AUTOREMOVE, 1);
		3555	$DB_ENV->set_lk_detect;
		3556	};
		3557
		3558	cf::cleanup "db_env_open(db): $@" if $@;
		3559	};
		3560	}
		3561
		3562	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3563	after => 11,
		3564	interval => 60,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_TRICKLE_WATCHER = Event->timer (
		3573	after => 5,
		3574	interval => 10,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3580	},
		3581	);
		3582	}
		3583
		3584	{
		3585	IO::AIO::min_parallel 8;
		3586
		3587	undef $Coro::AIO::WATCHER;
2427	IO::AIO::max_poll_time $TICK * 0.2;	3588	IO::AIO::max_poll_time $TICK * 0.1;
2428
2429	$AIO_POLL_WATCHER = Event->io (	3589	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,	3590	reentrant => 0,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,	3591	data => WF_AUTOCANCEL,
2439	after => 0,	3592	fd => IO::AIO::poll_fileno,
2440	interval => 10,	3593	poll => 'r',
2441	cb => sub {	3594	prio => 6,
2442	(Coro::unblock_sub {	3595	cb => \&IO::AIO::poll_cb,
2443	write_runtime	3596	);
2444	or warn "ERROR: unable to write runtime file: $!";	3597	}
		3598
		3599	my $_log_backtrace;
		3600
		3601	sub _log_backtrace {
		3602	my ($msg, @addr) = @_;
		3603
		3604	$msg =~ s/\n//;
		3605
		3606	# limit the # of concurrent backtraces
		3607	if ($_log_backtrace < 2) {
		3608	++$_log_backtrace;
		3609	async {
		3610	my @bt = fork_call {
		3611	@addr = map { sprintf "%x", $_ } @addr;
		3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3614	or die "addr2line: $!";
		3615
		3616	my @funcs;
		3617	my @res = <$fh>;
		3618	chomp for @res;
		3619	while (@res) {
		3620	my ($func, $line) = splice @res, 0, 2, ();
		3621	push @funcs, "[$func] $line";
		3622	}
		3623
		3624	@funcs
		3625	};
		3626
		3627	LOG llevInfo, "[ABT] $msg\n";
		3628	LOG llevInfo, "[ABT] $_\n" for @bt;
		3629	--$_log_backtrace;
2445	})->();	3630	};
		3631	} else {
		3632	LOG llevInfo, "[ABT] $msg\n";
		3633	LOG llevInfo, "[ABT] [suppressed]\n";
2446	},	3634	}
2447	);	3635	}
		3636
		3637	# load additional modules
		3638	use cf::pod;
2448		3639
2449	END { cf::emergency_save }	3640	END { cf::emergency_save }
2450		3641
2451	1	3642	1
2452		3643

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