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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.363 by root, Mon Sep 10 17:24:36 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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	776	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	777	our @CB_MAP = ();
505		778
506	my %attachment;	779	my %attachment;
507		780
		781	sub cf::attachable::thawer_merge {
		782	# simply override everything except _meta
		783	local $_[0]{_meta};
		784	%{$_[0]} = %{$_[1]};
		785	}
		786
508	sub _attach_cb($$$$) {	787	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	788	my ($registry, $event, $prio, $cb) = @_;
510		789
511	use sort 'stable';	790	use sort 'stable';
512		791
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
547		826
548	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		831
553	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	833	my $pkg = shift @arg;
555		834
556	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
586	}	865	}
587		866
588	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
589	} else {	868	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	870	}
592		871
593	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
594	}	873	}
595		874
…		…
597	if (ref $_[0]) {	876	if (ref $_[0]) {
598	_object_attach @_;	877	_object_attach @_;
599	} else {	878	} else {
600	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
601	}	880	}
		881	_recalc_want;
602	};	882	};
603		883
604	# all those should be optimised	884	# all those should be optimised
605	sub cf::attachable::detach {	885	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
610	reattach ($obj);	890	reattach ($obj);
611	} else {	891	} else {
612	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
613	}	893	}
		894	_recalc_want;
614	};	895	};
615		896
616	sub cf::attachable::attached {	897	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
618		899
…		…
633	";	914	";
634	die if $@;	915	die if $@;
635	}	916	}
636		917
637	our $override;	918	our $override;
638	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?
639		920
640	sub override {	921	sub override {
641	$override = 1;	922	$override = 1;
642	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
643	}	924	}
644		925
645	sub do_invoke {	926	sub do_invoke {
646	my $event = shift;	927	my $event = shift;
647	my $callbacks = shift;	928	my $callbacks = shift;
648		929
649	@invoke_results = ();	930	@INVOKE_RESULTS = ();
650		931
651	local $override;	932	local $override;
652		933
653	for (@$callbacks) {	934	for (@$callbacks) {
654	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
671		952
672	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
673		954
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		958
678	=back	959	=back
679		960
680	=cut	961	=cut
681		962
682	#############################################################################	963	#############################################################################
683	# 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	}
684		976
685	sub reattach {	977	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	979	my ($obj) = @_;
		980
		981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		982
689	my $registry = $obj->registry;	983	my $registry = $obj->registry;
690		984
691	@$registry = ();	985	@$registry = ();
692		986
…		…
731	);	1025	);
732		1026
733	sub object_freezer_save {	1027	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
735		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
736	sync_job {	1032	sync_job {
737	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
740		1037
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1042	close $fh;
746		1043
747	if (@$objs) {	1044	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1050	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
755	}	1052	}
756	} else {	1053	} else {
757	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
763	}	1060	}
764	} else {	1061	} else {
765	aio_unlink $filename;	1062	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
767	}	1064	}
768	}	1065	};
		1066
		1067	undef $guard;
769	}	1068	}
770		1069
771	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
773		1072
…		…
778		1077
779	sub object_thawer_load {	1078	sub object_thawer_load {
780	my ($filename) = @_;	1079	my ($filename) = @_;
781		1080
782	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
783		1084
784	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
785	or return;	1086	or return;
786		1087
787	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
789	or return;	1090	or return;
		1091
		1092	undef $guard;
790	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1094	}
792		1095
		1096	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
795	return ($data, $av);	1100	($data, $av)
796	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
797		1108
798	#############################################################################	1109	#############################################################################
799	# command handling &c	1110	# command handling &c
800		1111
801	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1126	}
816		1127
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1129
819	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.
820		1135
821	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
822	called.	1137	called.
823		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
824	=cut	1150	=cut
825		1151
826	sub register_extcmd {	1152	sub register_extcmd {
827	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
828		1154
829	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
830	}	1162	}
831		1163
832	cf::player->attach (	1164	cf::player->attach (
833	on_command => sub {	1165	on_command => sub {
834	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1175	cf::override;
844	},	1176	},
845	on_extcmd => sub {	1177	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
847		1179
848	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1181
850	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
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
856	} else {	1197	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1199	}
859		1200
860	cf::override;	1201	cf::override;
861	},	1202	},
862	);	1203	);
863		1204
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
899	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1210	next unless -r $path;
901	eval {	1211
902	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;
903	1	1269	}
904	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
905	}	1275	};
906	}	1276	}
907		1277
908	#############################################################################	1278	#############################################################################
909		1279
		1280	=back
		1281
910	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
911		1283
912	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
913		1285
914	=cut	1286	=cut
…		…
919		1291
920	=head3 cf::player	1292	=head3 cf::player
921		1293
922	=over 4	1294	=over 4
923		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
924	=item cf::player::find $login	1310	=item cf::player::find $login
925		1311
926	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
927		1313
928	=cut	1314	=cut
929		1315
930	sub playerdir($) {	1316	sub playerdir($) {
931	cf::localdir	1317	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1319	}
937		1320
938	sub path($) {	1321	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1323
941	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
942	}	1325	}
943		1326
944	sub find_active($) {	1327	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
949		1332
950	sub exists($) {	1333	sub exists($) {
951	my ($login) = @_;	1334	my ($login) = @_;
952		1335
953	$cf::PLAYER{$login}	1336	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1337	or cf::sync_job { !aio_stat path $login }
955	}	1338	}
956		1339
957	sub find($) {	1340	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1341	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1342	my $login = $_[0];
960		1343
961	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
962		1345
963	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
964	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
965	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;
966	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
967	}	1363	}
968	}	1364	}
969	}	1365	}
970		1366
…		…
980		1376
981	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
983		1379
984	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
985	Coro::cede;	1381	cf::cede_to_tick;
986	}	1382	}
987		1383
988	sub new($) {	1384	sub new($) {
989	my ($login) = @_;	1385	my ($login) = @_;
990		1386
…		…
996	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
997		1393
998	$self	1394	$self
999	}	1395	}
1000		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
1001	=item $pl->quit_character	1407	=item $pl->quit_character
1002		1408
1003	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
1004	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1005		1411
1006	=cut	1412	=cut
1007		1413
1008	sub quit_character {	1414	sub quit_character {
1009	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1010		1418
1011	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1012	$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
1013		1421
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1453	}
1026		1454
1027	=item cf::player::list_logins	1455	=item cf::player::list_logins
1028		1456
1029	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
1030	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1031		1459
1032	=cut	1460	=cut
1033		1461
1034	sub list_logins {	1462	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1464	or return [];
1037		1465
1038	my @logins;	1466	my @logins;
1039		1467
1040	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") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1044		1477
1045	utf8::decode $login;	1478	utf8::decode $login;
1046	push @logins, $login;	1479	push @logins, $login;
1047	}	1480	}
1048		1481
…		…
1056		1489
1057	=cut	1490	=cut
1058		1491
1059	sub maps($) {	1492	sub maps($) {
1060	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1496
1062	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1063	or return;	1498	or return;
1064		1499
1065	my @paths;	1500	my @paths;
…		…
1067	for (@$files) {	1502	for (@$files) {
1068	utf8::decode $_;	1503	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1071		1506
1072	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1508	}
1075		1509
1076	\@paths	1510	\@paths
1077	}	1511	}
1078		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
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1080		1565
1081	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1082		1567
1083	=cut	1568	=cut
1084		1569
1085	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1087		1572
1088	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1574	}
1092		1575
1093	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	}
1094		1616
1095	=back	1617	=back
1096
1097		1618
1098	=head3 cf::map	1619	=head3 cf::map
1099		1620
1100	=over 4	1621	=over 4
1101		1622
…		…
1105		1626
1106	use Fcntl;	1627	use Fcntl;
1107	use Coro::AIO;	1628	use Coro::AIO;
1108		1629
1109	use overload	1630	use overload
1110	'""' => \&as_string;	1631	'""' => \&as_string,
		1632	fallback => 1;
1111		1633
1112	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1114		1636
1115	sub generate_random_map {	1637	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1640	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1652	)
1132	}	1653	}
1133		1654
		1655	=item cf::map->register ($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
1134	sub register {	1663	sub register {
1135	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1665	my $pkg = caller;
1137		1666
1138	no strict;	1667	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1669
1141	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1671	}
1143		1672
1144	# also paths starting with '/'	1673	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
1146		1685
1147	sub normalise {	1686	sub normalise {
1148	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1149		1692
1150	# map plan:	1693	# map plan:
1151	#	1694	#
1152	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1181		1724
1182	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
1183		1726
1184	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1185		1728
1186	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1191	return $self;	1734	return $self;
1192	}	1735	}
1193	}	1736	}
1194		1737
1195	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1739	()
1197	}	1740	}
1198		1741
1199	sub init {	1742	sub init {
1200	my ($self) = @_;	1743	my ($self) = @_;
…		…
1215		1758
1216	# the original (read-only) location	1759	# the original (read-only) location
1217	sub load_path {	1760	sub load_path {
1218	my ($self) = @_;	1761	my ($self) = @_;
1219		1762
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1221	}	1764	}
1222		1765
1223	# the temporary/swap location	1766	# the temporary/swap location
1224	sub save_path {	1767	sub save_path {
1225	my ($self) = @_;	1768	my ($self) = @_;
1226		1769
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1229	}	1772	}
1230		1773
1231	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1232	sub uniq_path {	1775	sub uniq_path {
1233	my ($self) = @_;	1776	my ($self) = @_;
1234		1777
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1237	}	1780	}
1238		1781
1239	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1240	# all maps in C++...	1783	# all maps in C++...
1241	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1243		1786
1244	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1246	}	1789	}
1247		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1248	sub unlink_save {	1799	sub unlink_save {
1249	my ($self) = @_;	1800	my ($self) = @_;
1250		1801
1251	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1805	}
1255		1806
1256	sub load_header_from($) {	1807	sub load_header_from($) {
1257	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1258		1809
1259	utf8::encode $path;	1810	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1261	or return;	1812	or return;
1262		1813
1263	$self->_load_header ($path)	1814	$self->_load_header ($f)
1264	or return;	1815	or return;
1265		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1266	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1267		1821
1268	1	1822	1
1269	}	1823	}
1270		1824
1271	sub load_orig {	1825	sub load_header_orig {
1272	my ($self) = @_;	1826	my ($self) = @_;
1273		1827
1274	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1275	}	1829	}
1276		1830
1277	sub load_temp {	1831	sub load_header_temp {
1278	my ($self) = @_;	1832	my ($self) = @_;
1279		1833
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	1854	}
1282		1855
1283	sub load_header {	1856	sub load_header {
1284	my ($self) = @_;	1857	my ($self) = @_;
1285		1858
1286	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1861	} else {
1293	$self->load_orig	1862	$self->load_header_orig
1294	or return;	1863	or return;
1295		1864	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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 $self->default_region;
1301		1872
1302	1	1873	1
1303	}	1874	}
1304		1875
1305	sub find;	1876	sub find;
1306	sub find {	1877	sub find {
1307	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1308		1879
1309	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1310		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1312		1884
1313	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1314	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
1315	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1316	or return;	1890	or return;
1317		1891
1318	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1319		1893
1320	$map->load_header	1894	$map->load_header
1321	or return;	1895	or return;
1322		1896
1323	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1324	$map->reset;	1902	$map->reset;
1325	undef $guard;
1326	$map = find $path	1903	return find $path;
1327	or return;
1328	}	1904	}
1329		1905
1330	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1331	}	1907	}
1332	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1333		1912
1334	sub load {	1913	sub load {
1335	my ($self) = @_;	1914	my ($self) = @_;
1336		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1337	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1339		1922
		1923	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		1925
1342	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1343		1927
1344	$self->alloc;	1928	$self->alloc;
1345	$self->_load_objects ($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)
1346	or return;	1936	or return;
1347		1937
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1939	if delete $self->{load_original};
1350		1940
1351	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1942	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1945	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1356	}	1949	}
1357	}	1950	}
1358		1951
1359	Coro::cede;	1952	$f->resolve_delayed_derefs;
1360		1953
		1954	cf::cede_to_tick;
1361	# now do the right thing for maps	1955	# now do the right thing for maps
1362	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1958	unless $self->difficulty;
1372	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1373	$self->activate;	1968	$self->activate;
1374	}	1969	}
1375		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1377	}	1978	}
1378		1979
1379	sub customise_for {	1980	sub customise_for {
1380	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1381		1982
1382	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1984	if $self->per_player;
1384		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1385	$self	1989	$self
1386	}	1990	}
1387		1991
1388	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	1993	sub load_neighbours {
1390	my ($map) = @_;	1994	my ($map) = @_;
1391		1995
1392	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1393		1997
1394	for (0 .. 3) {	1998	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1396	or next;	2000	or next;
1397	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1398	or next;	2002	or next;
1399	$neigh->load;	2003	$neigh->load;
1400		2004
		2005	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2008	}
1404		2009
1405	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1407	or next;	2013	or next;
1408	$neigh->load;	2014	$neigh->load;
1409	}	2015	}
1410	}	2016	}
1411		2017
…		…
1416	}	2022	}
1417		2023
1418	sub do_load_sync {	2024	sub do_load_sync {
1419	my ($map) = @_;	2025	my ($map) = @_;
1420		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1421	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1422	}	2031	}
1423		2032
1424	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2035
1438	sub find_async {	2036	sub find_async {
1439	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1440		2038
1441	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1442		2040
1443	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1444	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;
1445	}	2058	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1449		2060
1450	()	2061	()
1451	}	2062	}
1452		2063
1453	sub save {	2064	sub save {
1454	my ($self) = @_;	2065	my ($self) = @_;
1455		2066
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2068
1458	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1459		2070
1460	return unless $self->dirty;	2071	return unless $self->dirty;
1461		2072
…		…
1484	my ($self) = @_;	2095	my ($self) = @_;
1485		2096
1486	# save first because save cedes	2097	# save first because save cedes
1487	$self->save;	2098	$self->save;
1488		2099
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2101
1491	return if $self->players;	2102	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2104	return if $self->{deny_save};
1494		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2110	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2111	}
1498		2112
1499	sub reset_at {	2113	sub reset_at {
1500	my ($self) = @_;	2114	my ($self) = @_;
1501		2115
1502	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1505		2118
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2121
…		…
1513	my ($self) = @_;	2126	my ($self) = @_;
1514		2127
1515	$self->reset_at <= $cf::RUNTIME	2128	$self->reset_at <= $cf::RUNTIME
1516	}	2129	}
1517		2130
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2131	sub reset {
1533	my ($self) = @_;	2132	my ($self) = @_;
1534		2133
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2135
1537	return if $self->players;	2136	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2137
1540	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	}
1541		2149
1542	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1543		2151
1544	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2154	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2155
1549	$self->unlink_save;	2156	$self->unlink_save;
1550	$self->destroy;	2157	$self->destroy;
1551	}	2158	}
1552		2159
1553	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1554		2161
1555	sub nuke {	2162	sub nuke {
1556	my ($self) = @_;	2163	my ($self) = @_;
1557		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};
1558	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2177
		2178	$cf::MAP{$self->path} = $self;
		2179	}
		2180
1561	$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	]
1562	}	2218	}
1563		2219
1564	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1565		2221
1566	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2223	instantiated unique items. May block.
1568		2224
1569	=cut	2225	=cut
1570		2226
1571	sub unique_maps() {	2227	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1573	or return;	2229	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2230	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2231	/\.map$/
1583	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2235	]
1585
1586	\@paths
1587	}	2236	}
1588		2237
1589	package cf;	2238	package cf;
1590		2239
1591	=back	2240	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1610	}	2259	}
1611		2260
1612	sub inv_recursive {	2261	sub inv_recursive {
1613	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	}
1614	}	2294	}
1615		2295
1616	package cf;	2296	package cf;
1617		2297
1618	=back	2298	=back
…		…
1637		2317
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2319
1640	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1645	}	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 (@_);
1646	}	2345	}
1647		2346
1648	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1649		2348
1650	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2381	=cut
1683		2382
1684	sub link_map {	2383	sub link_map {
1685	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2387	$LINK_MAP->load;
1689	}	2388	}
1690		2389
1691	$LINK_MAP	2390	$LINK_MAP
1692	}	2391	}
…		…
1697	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1698		2397
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2399
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1703		2402
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2404	}
1706		2405
1707	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1709		2410
1710	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1711		2412
1712	unless ($map) {	2413	unless ($map) {
1713	# restore original map position	2414	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1730		2431
1731	$map->load;	2432	$map->load;
1732	$map->load_diag;	2433	$map->load_neighbours;
1733		2434
1734	return unless $self->contr->active;	2435	return unless $self->contr->active;
1735	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1737	}	2440	}
1738		2441
1739	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2443
1743	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1747	};	2448	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2449
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1774		2453
1775	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1776	my ($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;
1777		2459
1778	$self->enter_link;	2460	$self->enter_link;
1779		2461
1780	(async {	2462	(async {
		2463	my $map = eval {
1781	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
1783		2468	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2469	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1790	})->prio (1);	2487	})->prio (1);
1791	}	2488	}
1792		2489
1793	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1794		2491
…		…
1796		2493
1797	sub parse_random_map_params {	2494	sub parse_random_map_params {
1798	my ($spec) = @_;	2495	my ($spec) = @_;
1799		2496
1800	my $rmp = { # defaults	2497	my $rmp = { # defaults
1801	xsize => 10,	2498	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2499	ysize => (cf::rndm 15, 40),
		2500	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2501	#layout => string,
1803	};	2502	};
1804		2503
1805	for (split /\n/, $spec) {	2504	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2505	my ($k, $v) = split /\s+/, $_, 2;
1807		2506
…		…
1811	$rmp	2510	$rmp
1812	}	2511	}
1813		2512
1814	sub prepare_random_map {	2513	sub prepare_random_map {
1815	my ($exit) = @_;	2514	my ($exit) = @_;
		2515
		2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2517
1817	# all this does is basically replace the /! path by	2518	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2519	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2520	# that depends on the exit object
1820		2521
1821	my $rmp = parse_random_map_params $exit->msg;	2522	my $rmp = parse_random_map_params $exit->msg;
1822		2523
1823	if ($exit->map) {	2524	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2525	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2526	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2527	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2528	$rmp->{origin_y} = $exit->y;
1828	}	2529	}
1829		2530
1830	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1831		2532
1832	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
		2535	my $meta = "$RANDOMDIR/$md5.meta";
1834		2536
1835	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) {
1836	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;
1837		2541
1838	$exit->slaying ("?random/$md5");	2542	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2543	$exit->msg (undef);
1840	}	2544	}
1841	}	2545	}
…		…
1843	sub cf::object::player::enter_exit {	2547	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2548	my ($self, $exit) = @_;
1845		2549
1846	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1847		2551
		2552	if ($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
1848	$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);
1849		2568
1850	(async {	2569	(async {
1851	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2571	unless (eval {
1853	prepare_random_map $exit	2572	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2573
1859	1;	2574	1;
1860	}) {	2575	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2580
1866	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2582	$self->leave_link;
1868	}	2583	}
1869	})->prio (1);	2584	})->prio (1);
…		…
1882		2597
1883	sub cf::client::send_drawinfo {	2598	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2599	my ($self, $text, $flags) = @_;
1885		2600
1886	utf8::encode $text;	2601	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2603	}
1889		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	}
1890		2720
1891	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
1892		2722
1893	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
1894	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>,
1895	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>.
1896		2726
1897	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
1898	reliable at some point in the future.	2728	become reliable at some point in the future.
1899		2729
1900	=cut	2730	=cut
1901		2731
1902	sub cf::client::query {	2732	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2741	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2743
1914	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
1916	}	2748	}
1917		2749
1918	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
1919	on_reply => sub {	2756	on_reply => sub {
1920	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
1921		2758
1922	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
1923	# get handled first	2760	# get handled first
1924	my $queue = delete $ns->{query_queue}	2761	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2762	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2763
1927	(shift @$queue)->[1]->($msg);	2764	(shift @$queue)->[1]->($msg);
		2765	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2766
1929	push @{ $ns->{query_queue} }, @$queue;	2767	push @{ $ns->{query_queue} }, @$queue;
1930		2768
1931	if (@{ $ns->{query_queue} } == @$queue) {	2769	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2770	if (@$queue) {
…		…
1934	} else {	2772	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2774	}
1937	}	2775	}
1938	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($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	},
1939	);	2803	);
1940		2804
1941	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
1942		2806
1943	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
1986		2850
1987	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
1988		2852
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
1990		2858
1991	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
1992		2860
1993	=pod	2861	=pod
1994		2862
1995	The following fucntions and emthods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
1996		2864
1997	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
1998	cf::object::player player	2869	cf::object::player
1999	cf::player peaceful	2870	player
2000	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2001		2877
2002	=cut	2878	=cut
2003		2879
2004	for (	2880	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2006	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2009	) {	2887	) {
2010	no strict 'refs';	2888	no strict 'refs';
…		…
2081	=back	2959	=back
2082		2960
2083	=cut	2961	=cut
2084		2962
2085	#############################################################################	2963	#############################################################################
		2964	# the server's init and main functions
2086		2965
2087	=head2 EXTENSION DATABASE SUPPORT	2966	sub load_facedata($) {
		2967	my ($path) = @_;
2088		2968
2089	Crossfire maintains a very simple database for extension use. It can	2969	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	2970	# for this (global event?)
2091	excludes objects.	2971	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		2972
2093	The parameter C<$family> should best start with the name of the extension	2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		2974
2096	=over 4	2975	warn "loading facedata from $path\n";
2097		2976
2098	=item $hashref = cf::db_get $family	2977	my $facedata;
		2978	0 < aio_load $path, $facedata
		2979	or die "$path: $!";
2099		2980
2100	Return a hashref for use by the extension C<$family>, which can be	2981	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		2982
2104	=item $value = cf::db_get $family => $key	2983	$facedata->{version} == 2
		2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		2985
2106	Returns a single value from the database	2986	# patch in the exptable
2107		2987	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	2988	type => FT_RSRC,
2109		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2990	};
		2991	cf::cede_to_tick;
2159		2992
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	2993	{
		2994	my $faces = $facedata->{faceinfo};
2164		2995
2165	sub db_get($;$) {	2996	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	2998	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	2999	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	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};
2170		3002
2171	sub db_put($$;$) {	3003	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3004	}
2185	);
2186	}
2187		3005
2188	#############################################################################	3006	while (my ($face, $info) = each %$faces) {
2189	# 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	}
2190		3016
2191	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 {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3144	or return;
2194		3145
2195	local $/;	3146	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2197		3148
…		…
2211		3162
2212	sub main {	3163	sub main {
2213	# we must not ever block the main coroutine	3164	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3165	local $Coro::idle = sub {
2215	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 {
2216	async { Event::one_event };	3168	Event::one_event;
		3169	})->prio (Coro::PRIO_MAX);
2217	};	3170	};
2218		3171
2219	cfg_load;	3172	reload_config;
2220	db_load;	3173	db_init;
2221	load_extensions;	3174	load_extensions;
		3175
		3176	$TICK_WATCHER->start;
2222	Event::loop;	3177	Event::loop;
2223	}	3178	}
2224		3179
2225	#############################################################################	3180	#############################################################################
2226	# initialisation and cleanup	3181	# initialisation and cleanup
2227		3182
2228	# install some emergency cleanup handlers	3183	# install some emergency cleanup handlers
2229	BEGIN {	3184	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3185	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3186	Event->signal (
		3187	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3188	data => WF_AUTOCANCEL,
2233	signal => $signal,	3189	signal => $signal,
		3190	prio => 0,
2234	cb => sub {	3191	cb => sub {
2235	cf::cleanup "SIG$signal";	3192	cf::cleanup "SIG$signal";
2236	},	3193	},
2237	);	3194	);
2238	}	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
2239	}	3234	}
2240		3235
2241	sub emergency_save() {	3236	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2243		3238
…		…
2260	my $map = $cf::MAP{$path} or next;	3255	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3256	$map->valid or next;
2262	$map->save;	3257	$map->save;
2263	}	3258	}
2264	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";
2265	};	3264	};
2266		3265
2267	warn "leave emergency perl save\n";	3266	warn "leave emergency perl save\n";
2268	}	3267	}
2269		3268
		3269	sub post_cleanup {
		3270	my ($make_core) = @_;
		3271
		3272	warn Carp::longmess "post_cleanup backtrace"
		3273	if $make_core;
		3274	}
		3275
2270	sub reload() {	3276	sub do_reload_perl() {
2271	# can/must only be called in main	3277	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3279	warn "can only reload from main coroutine";
2274	return;	3280	return;
2275	}	3281	}
2276		3282
2277	warn "reloading...";	3283	warn "reloading...";
2278		3284
2279	warn "freezing server";	3285	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3286
		3287	cf::sync_job {
		3288	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3289	cf::emergency_save;
		3290	cf::write_runtime; # external watchdog should not bark
2282		3291
2283	warn "sync database to disk";	3292	warn "syncing database to disk";
2284	cf::db_sync;	3293	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3294
2287	eval {
2288	# 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
2289		3296
2290	warn "cancel all watchers";	3297	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3298	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3299	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3300	}
2294		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
2295	warn "cancel all extension coros";	3313	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3314	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3315	%EXT_CORO = ();
2298		3316
2299	warn "remove commands";	3317	warn "removing commands";
2300	%COMMAND = ();	3318	%COMMAND = ();
2301		3319
2302	warn "remove ext commands";	3320	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2304		3323
2305	warn "unload/nuke all extensions";	3324	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2308		3327
2309	if (my $cb = $pkg->can ("unload")) {	3328	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3329	eval {
…		…
2315		3334
2316	warn "... nuking $pkg";	3335	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3336	Symbol::delete_package $pkg;
2318	}	3337	}
2319		3338
2320	warn "unload all perl modules loaded from $LIBDIR";	3339	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3340	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3342
2324	warn "removing <$k>";	3343	warn "... unloading $k";
2325	delete $INC{$k};	3344	delete $INC{$k};
2326		3345
2327	$k =~ s/\.pm$//;	3346	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3347	$k =~ s/\//::/g;
2329		3348
…		…
2332	}	3351	}
2333		3352
2334	Symbol::delete_package $k;	3353	Symbol::delete_package $k;
2335	}	3354	}
2336		3355
2337	warn "get rid of safe::, as good as possible";	3356	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2339	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);
2340		3359
2341	warn "unload cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2343		3363
2344	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3365	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2347		3367
		3368	warn "unload completed, starting to reload now";
		3369
2348	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2349	require cf;	3371	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3373
2352	warn "load config and database again";	3374	warn "loading config and database again";
2353	cf::cfg_load;	3375	cf::reload_config;
2354	cf::db_load;
2355		3376
2356	warn "load extensions";	3377	warn "loading extensions";
2357	cf::load_extensions;	3378	cf::load_extensions;
2358		3379
2359	warn "reattach attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3381	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3382	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
2363	};	3384	warn "reattaching attachments to players";
		3385	reattach $_ for values %PLAYER;
2364		3386
2365	if ($@) {	3387	warn "leaving sync_job";
		3388
		3389	1
		3390	} or do {
2366	warn $@;	3391	warn $@;
2367	warn "error while reloading, exiting.";	3392	warn "error while reloading, exiting.";
2368	exit 1;	3393	exit 1;
2369	}	3394	};
2370		3395
2371	warn "reloaded";	3396	warn "reloaded";
2372	};	3397	};
2373		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
2374	register_command "reload" => sub {	3416	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2376		3418
2377	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3420	$who->message ("reloading server.");
		3421	async { reload_perl };
2381	}	3422	}
2382	};	3423	};
2383		3424
2384	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
2385		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	my $min = 1e6;#d#
		3451	my $avg = 10;
2386	$TICK_WATCHER = Event->timer (	3452	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3453	reentrant => 0,
		3454	parked => 1,
2388	prio => 0,	3455	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3456	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3457	data => WF_AUTOCANCEL,
2391	cb => sub {	3458	cb => sub {
		3459	if ($Coro::current != $Coro::main) {
		3460	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3461	unless ++$bug_warning > 10;
		3462	return;
		3463	}
		3464
2392	$NOW = Event::time;	3465	$NOW = $tick_start = Event::time;
2393		3466
2394	cf::server_tick; # one server iteration	3467	cf::server_tick; # one server iteration
		3468
		3469	0 && sync_job {#d#
		3470	for(1..10) {
		3471	my $t = Event::time;
		3472	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3473	or die;
		3474
		3475	$map->width (50);
		3476	$map->height (50);
		3477	$map->alloc;
		3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3479	my $t = Event::time - $t;
		3480
		3481	#next unless $t < 0.0013;#d#
		3482	if ($t < $min) {
		3483	$min = $t;
		3484	}
		3485	$avg = $avg * 0.99 + $t * 0.01;
		3486	}
		3487	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3488	exit 0;
		3489	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3490	};
		3491
2395	$RUNTIME += $TICK;	3492	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3493	$NEXT_TICK += $TICK;
2397		3494
2398	$WAIT_FOR_TICK->broadcast;	3495	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3496	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3497	Coro::async_pool {
		3498	write_runtime
		3499	or warn "ERROR: unable to write runtime file: $!";
		3500	};
		3501	}
		3502
		3503	# my $AFTER = Event::time;
		3504	# warn $AFTER - $NOW;#d#
		3505
		3506	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3507	$sig->send;
		3508	}
		3509	while (my $sig = shift @WAIT_FOR_TICK) {
		3510	$sig->send;
		3511	}
		3512
		3513	$NOW = Event::time;
2400		3514
2401	# if we are delayed by four ticks or more, skip them all	3515	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3516	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3517
2404	$TICK_WATCHER->at ($NEXT_TICK);	3518	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	3519	$TICK_WATCHER->start;
		3520
		3521	$LOAD = ($NOW - $tick_start) / $TICK;
		3522	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3523
		3524	_post_tick;
		3525
		3526
2406	},	3527	},
2407	);	3528	);
2408		3529
		3530	{
		3531	BDB::min_parallel 8;
		3532	BDB::max_poll_time $TICK * 0.1;
		3533	$BDB_POLL_WATCHER = Event->io (
		3534	reentrant => 0,
		3535	fd => BDB::poll_fileno,
		3536	poll => 'r',
		3537	prio => 0,
		3538	data => WF_AUTOCANCEL,
		3539	cb => \&BDB::poll_cb,
		3540	);
		3541
		3542	BDB::set_sync_prepare {
		3543	my $status;
		3544	my $current = $Coro::current;
		3545	(
		3546	sub {
		3547	$status = $!;
		3548	$current->ready; undef $current;
		3549	},
		3550	sub {
		3551	Coro::schedule while defined $current;
		3552	$! = $status;
		3553	},
		3554	)
		3555	};
		3556
		3557	unless ($DB_ENV) {
		3558	$DB_ENV = BDB::db_env_create;
		3559
		3560	cf::sync_job {
		3561	eval {
		3562	BDB::db_env_open
		3563	$DB_ENV,
		3564	$BDBDIR,
		3565	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3567	0666;
		3568
		3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3570
		3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3572	| BDB::LOG_AUTOREMOVE, 1);
		3573	$DB_ENV->set_lk_detect;
		3574	};
		3575
		3576	cf::cleanup "db_env_open(db): $@" if $@;
		3577	};
		3578	}
		3579
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
		3600	}
		3601
		3602	{
		3603	IO::AIO::min_parallel 8;
		3604
		3605	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3606	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3607	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3608	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3609	data => WF_AUTOCANCEL,
2421	after => 0,	3610	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3611	poll => 'r',
2423	cb => sub {	3612	prio => 6,
2424	(Coro::unblock_sub {	3613	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3614	);
2426	or warn "ERROR: unable to write runtime file: $!";	3615	}
		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
2427	})->();	3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3652	}
2429	);	3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
2430		3657
2431	END { cf::emergency_save }	3658	END { cf::emergency_save }
2432		3659
2433	1	3660	1
2434		3661

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