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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
283	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
284		400
285	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
290		406
291	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
292		408
293	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
294		410
295	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
298		415
299	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
302	fast or be very important.	419	fast or be very important.
…		…
305		422
306	sub sync_job(&) {	423	sub sync_job(&) {
307	my ($job) = @_;	424	my ($job) = @_;
308		425
309	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
310	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
312		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
313	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	435	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
316		437
317	my $busy = 1;	438	my $busy = 1;
318	my @res;	439	my @res;
319		440
320	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	443	@res = eval { $job->() };
322	warn $@ if $@;	444	warn $@ if $@;
323	undef $busy;	445	undef $busy;
324	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
325		447
326	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
327	Coro::cede or Event::one_event;	452	Event::one_event;
328	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
329		462
330	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
331	} else {	464	} else {
332	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
333		466
…		…
353	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
354		487
355	$coro	488	$coro
356	}	489	}
357		490
358	sub write_runtime {	491	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		492
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
362	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
363		497
364	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		499
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
369	and return;	501	my ($cb, @args) = @_;
370		502
371	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
373	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
374		506
375	close $fh	507	my @res = Coro::Util::fork_eval {
376	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
377		511
378	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
379	and return;	513	}
380		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
381	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	651	}
383		652
384	=back	653	=back
385		654
386	=cut	655	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
395		664
396	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	667	Crossfire TRT).
399		668
400	=over 4	669	=over 4
401		670
402	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
403		672
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
567		836
568	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		841
573	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	843	my $pkg = shift @arg;
575		844
576	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
606	}	875	}
607		876
608	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
609	} else {	878	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	880	}
612		881
613	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
614	}	883	}
615		884
…		…
617	if (ref $_[0]) {	886	if (ref $_[0]) {
618	_object_attach @_;	887	_object_attach @_;
619	} else {	888	} else {
620	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
621	}	890	}
		891	_recalc_want;
622	};	892	};
623		893
624	# all those should be optimised	894	# all those should be optimised
625	sub cf::attachable::detach {	895	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
630	reattach ($obj);	900	reattach ($obj);
631	} else {	901	} else {
632	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
633	}	903	}
		904	_recalc_want;
634	};	905	};
635		906
636	sub cf::attachable::attached {	907	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
638		909
…		…
653	";	924	";
654	die if $@;	925	die if $@;
655	}	926	}
656		927
657	our $override;	928	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		930
660	sub override {	931	sub override {
661	$override = 1;	932	$override = 1;
662	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
663	}	934	}
664		935
665	sub do_invoke {	936	sub do_invoke {
666	my $event = shift;	937	my $event = shift;
667	my $callbacks = shift;	938	my $callbacks = shift;
668		939
669	@invoke_results = ();	940	@INVOKE_RESULTS = ();
670		941
671	local $override;	942	local $override;
672		943
673	for (@$callbacks) {	944	for (@$callbacks) {
674	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
691		962
692	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
693		964
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		968
698	=back	969	=back
699		970
700	=cut	971	=cut
701		972
702	#############################################################################	973	#############################################################################
703	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
704		1017
705	sub reattach {	1018	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1020	my ($obj) = @_;
708		1021
…		…
755	sub object_freezer_save {	1068	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
757		1070
758	sync_job {	1071	sync_job {
759	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
762		1076
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1081	close $fh;
768		1082
769	if (@$objs) {	1083	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1089	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
777	}	1091	}
…		…
785	}	1099	}
786	} else {	1100	} else {
787	aio_unlink $filename;	1101	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
789	}	1103	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1104	};
797	}	1105	}
798		1106
799	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
801		1109
…		…
806		1114
807	sub object_thawer_load {	1115	sub object_thawer_load {
808	my ($filename) = @_;	1116	my ($filename) = @_;
809		1117
810	my ($data, $av);	1118	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1119
815	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
816	or return;	1121	or return;
817		1122
818	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
820	or return;	1125	or return;
		1126
821	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
822	}	1129	}
823		1130
		1131	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
826	return ($data, $av);	1135	($data, $av)
827	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
828		1143
829	#############################################################################	1144	#############################################################################
830	# command handling &c	1145	# command handling &c
831		1146
832	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1161	}
847		1162
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1164
850	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
851		1170
852	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
853	called.	1172	called.
854		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
855	=cut	1185	=cut
856		1186
857	sub register_extcmd {	1187	sub register_extcmd {
858	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
859		1189
860	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
861	}	1197	}
862		1198
863	cf::player->attach (	1199	cf::player->attach (
864	on_command => sub {	1200	on_command => sub {
865	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1210	cf::override;
875	},	1211	},
876	on_extcmd => sub {	1212	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
878		1214
879	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1216
881	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
887	} else {	1232	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1234	}
890		1235
891	cf::override;	1236	cf::override;
892	},	1237	},
893	);	1238	);
894		1239
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
930	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1245	next unless -r $path;
932	eval {	1246
933	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
934	1	1304	}
935	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
936	}	1310	};
937	}	1311	}
938		1312
939	#############################################################################	1313	#############################################################################
940		1314
		1315	=back
		1316
941	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
942		1318
943	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
944		1320
945	=cut	1321	=cut
…		…
950		1326
951	=head3 cf::player	1327	=head3 cf::player
952		1328
953	=over 4	1329	=over 4
954		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
955	=item cf::player::find $login	1345	=item cf::player::find $login
956		1346
957	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
958		1348
959	=cut	1349	=cut
960		1350
961	sub playerdir($) {	1351	sub playerdir($) {
962	cf::localdir	1352	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1354	}
968		1355
969	sub path($) {	1356	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1358
972	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
973	}	1360	}
974		1361
975	sub find_active($) {	1362	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1377	my $login = $_[0];
991		1378
992	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
993		1380
994	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
996	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
998	}	1397	}
999	}	1398	}
1000	}	1399	}
1001		1400
…		…
1011		1410
1012	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1014		1413
1015	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1016	Coro::cede;	1415	cf::cede_to_tick;
1017	}	1416	}
1018		1417
1019	sub new($) {	1418	sub new($) {
1020	my ($login) = @_;	1419	my ($login) = @_;
1021		1420
…		…
1027	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1028		1427
1029	$self	1428	$self
1030	}	1429	}
1031		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1032	=item $pl->quit_character	1441	=item $pl->quit_character
1033		1442
1034	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1036		1445
1037	=cut	1446	=cut
1038		1447
1039	sub quit_character {	1448	sub quit_character {
1040	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1041		1452
1042	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1455
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1055	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1056	}	1487	}
1057		1488
1058	=item cf::player::list_logins	1489	=item cf::player::list_logins
1059		1490
1060	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1062		1493
1063	=cut	1494	=cut
1064		1495
1065	sub list_logins {	1496	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1498	or return [];
1068		1499
1069	my @logins;	1500	my @logins;
1070		1501
1071	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1075		1511
1076	utf8::decode $login;	1512	utf8::decode $login;
1077	push @logins, $login;	1513	push @logins, $login;
1078	}	1514	}
1079		1515
…		…
1106	}	1542	}
1107		1543
1108	\@paths	1544	\@paths
1109	}	1545	}
1110		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1112		1599
1113	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1114		1601
1115	=cut	1602	=cut
1116		1603
1117	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1119		1606
1120	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1608	}
1124		1609
1125	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1126		1650
1127	=back	1651	=back
1128
1129		1652
1130	=head3 cf::map	1653	=head3 cf::map
1131		1654
1132	=over 4	1655	=over 4
1133		1656
…		…
1188	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1189		1712
1190	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1191	local $self->{path};	1714	local $self->{path};
1192	local $self->{load_path};	1715	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1716
1196	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1197	}	1718	}
1198		1719
1199	sub normalise {	1720	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1247	return $self;	1768	return $self;
1248	}	1769	}
1249	}	1770	}
1250		1771
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1773	()
1253	}	1774	}
1254		1775
1255	sub init {	1776	sub init {
1256	my ($self) = @_;	1777	my ($self) = @_;
…		…
1271		1792
1272	# the original (read-only) location	1793	# the original (read-only) location
1273	sub load_path {	1794	sub load_path {
1274	my ($self) = @_;	1795	my ($self) = @_;
1275		1796
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1277	}	1798	}
1278		1799
1279	# the temporary/swap location	1800	# the temporary/swap location
1280	sub save_path {	1801	sub save_path {
1281	my ($self) = @_;	1802	my ($self) = @_;
1282		1803
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1285	}	1806	}
1286		1807
1287	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1288	sub uniq_path {	1809	sub uniq_path {
1289	my ($self) = @_;	1810	my ($self) = @_;
1290		1811
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1293	}	1814	}
1294		1815
1295	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1296	# all maps in C++...	1817	# all maps in C++...
1297	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1299		1820
1300	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1302	}	1823	}
1303		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1304	sub unlink_save {	1833	sub unlink_save {
1305	my ($self) = @_;	1834	my ($self) = @_;
1306		1835
1307	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1839	}
1316		1840
1317	sub load_header_from($) {	1841	sub load_header_from($) {
1318	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1319		1843
1320	utf8::encode $path;	1844	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1326		1853
1327	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1328		1855
1329	1	1856	1
1330	}	1857	}
…		…
1369	$self->load_header_orig	1896	$self->load_header_orig
1370	or return;	1897	or return;
1371	$self->prepare_orig;	1898	$self->prepare_orig;
1372	}	1899	}
1373		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1374	1	1907	1
1375	}	1908	}
1376		1909
1377	sub find;	1910	sub find;
1378	sub find {	1911	sub find {
1379	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1380		1913
1381	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1382		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1384		1918
1385	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1387	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1388	or return;	1924	or return;
1389		1925
1390	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1391		1927
1392	$map->load_header	1928	$map->load_header
1393	or return;	1929	or return;
1394		1930
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1398	$map->reset;	1936	$map->reset;
1399	undef $guard;
1400	return find $path;	1937	return find $path;
1401	}	1938	}
1402		1939
1403	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1404	}	1941	}
…		…
1411	my ($self) = @_;	1948	my ($self) = @_;
1412		1949
1413	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1414		1951
1415	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1417		1956
		1957	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		1959
1420	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1421		1961
1422	$self->alloc;	1962	$self->alloc;
1423		1963
1424	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1425		1966
1426	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1427	or return;	1970	or return;
1428		1971
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	1973	if delete $self->{load_original};
1431		1974
1432	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	1976	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	1979	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1437	}	1983	}
1438	}	1984	}
1439		1985
1440	Coro::cede;	1986	$f->resolve_delayed_derefs;
1441		1987
		1988	cf::cede_to_tick;
1442	# now do the right thing for maps	1989	# now do the right thing for maps
1443	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1992	unless $self->difficulty;
1453	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1454	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	2009	}
1456		2010
1457	$self->post_load;	2011	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2012	}
1461		2013
1462	sub customise_for {	2014	sub customise_for {
1463	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1464		2016
1465	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2018	if $self->per_player;
1467		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1468	$self	2023	$self
1469	}	2024	}
1470		2025
1471	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2027	sub load_neighbours {
1473	my ($map) = @_;	2028	my ($map) = @_;
1474		2029
1475	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1476		2031
1477	for (0 .. 3) {	2032	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1479	or next;	2034	or next;
1480	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1481	or next;	2036	or next;
1482	$neigh->load;	2037	$neigh->load;
1483		2038
		2039	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2042	}
1487		2043
1488	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1490	or next;	2047	or next;
1491	$neigh->load;	2048	$neigh->load;
1492	}	2049	}
1493	}	2050	}
1494		2051
…		…
1499	}	2056	}
1500		2057
1501	sub do_load_sync {	2058	sub do_load_sync {
1502	my ($map) = @_;	2059	my ($map) = @_;
1503		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1504	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1505	}	2065	}
1506		2066
1507	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1509		2069
1510	sub find_async {	2070	sub find_async {
1511	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1512		2072
1513	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1514		2074
1515	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2077	}
1518		2078
1519	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1520	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1521	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2086	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2087	$map->load if $v;
		2088	}
1526		2089
1527	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1528	}	2091	}
1529	}	2092	}
1530	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1531	};	2094	};
1532	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2098	}
1536		2099
1537	sub save {	2100	sub save {
1538	my ($self) = @_;	2101	my ($self) = @_;
1539		2102
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2104
1542	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1543		2106
1544	return unless $self->dirty;	2107	return unless $self->dirty;
1545		2108
…		…
1551	return if $self->{deny_save};	2114	return if $self->{deny_save};
1552		2115
1553	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1554		2117
1555	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1557	};	2121	};
1558		2122
1559	if ($uniq) {	2123	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1568	my ($self) = @_;	2132	my ($self) = @_;
1569		2133
1570	# save first because save cedes	2134	# save first because save cedes
1571	$self->save;	2135	$self->save;
1572		2136
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2138
1575	return if $self->players;	2139	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2141	return if $self->{deny_save};
1578		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2147	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2148	}
1582		2149
1583	sub reset_at {	2150	sub reset_at {
1584	my ($self) = @_;	2151	my ($self) = @_;
1585		2152
1586	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1589		2155
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2158
…		…
1603	my ($self) = @_;	2169	my ($self) = @_;
1604		2170
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2172
1607	return if $self->players;	2173	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2174
1610	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1611		2176
1612	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1613		2178
1614	# need to save uniques path	2179	# need to save uniques path
1615	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2184	if $uniq;
1620	}	2185	}
1621		2186
1622	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1623		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2191	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2192
1628	$self->unlink_save;	2193	$self->unlink_save;
1629	$self->destroy;	2194	$self->destroy;
1630	}	2195	}
1631		2196
1632	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1633		2198
1634	sub nuke {	2199	sub nuke {
1635	my ($self) = @_;	2200	my ($self) = @_;
1636		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1637	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1638		2206
1639	$self->unlink_save;	2207	$self->unlink_save;
1640		2208
1641	bless $self, "cf::map";	2209	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2214
1647	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1648		2217
1649	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1650	}	2255	}
1651		2256
1652	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1653		2258
1654	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2260	instantiated unique items. May block.
1656		2261
1657	=cut	2262	=cut
1658		2263
1659	sub unique_maps() {	2264	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1661	or return;	2266	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2267	utf8::decode $_;
1667	next if /\.pst$/;	2268	/\.map$/
1668	next unless /^$PATH_SEP/o;	2269	? normalise $_
1669		2270	: ()
1670	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2272	]
1672
1673	\@paths
1674	}	2273	}
1675		2274
1676	package cf;	2275	package cf;
1677		2276
1678	=back	2277	=back
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1697	}	2296	}
1698		2297
1699	sub inv_recursive {	2298	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1701	}	2328	}
1702		2329
1703	package cf;	2330	package cf;
1704		2331
1705	=back	2332	=back
…		…
1724		2351
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2353
1727	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1729	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1732	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1733	}	2379	}
1734		2380
1735	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1736		2382
1737	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1785		2431
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2433
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1790		2436
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2438	}
1793		2439
1794	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1796		2444
1797	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1798		2446
1799	unless ($map) {	2447	unless ($map) {
1800	# restore original map position	2448	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1817		2465
1818	$map->load;	2466	$map->load;
1819	$map->load_diag;	2467	$map->load_neighbours;
1820		2468
1821	return unless $self->contr->active;	2469	return unless $self->contr->active;
1822	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1824	}	2474	}
1825		2475
1826	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827	on_logout => sub {
1828	my ($pl) = @_;
1829		2477
1830	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1831	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1832	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1833	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1834	};	2482	be called at the end of this process.
1835	}
1836	},
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2483
1840	# try to abort aborted map switching on player login :)
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857
1858	=item $player_object->goto ($path, $x, $y)
1859
1860	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1861		2487
1862	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1863	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864		2493
1865	$self->enter_link;	2494	$self->enter_link;
1866		2495
1867	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1868	my $map = eval {	2518	my $map = eval {
1869	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1871	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1872	} or	2534	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1876	})->prio (1);	2542	})->prio (1);
1877	}	2543	}
1878		2544
1879	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1880		2546
…		…
1919		2585
1920	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1921		2587
1922	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1923	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1925		2591
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2594	undef $fh;
1929	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1938		2604
1939	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1940		2606
1941	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1943	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1944	}	2612	}
1945		2613
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1949		2617
1950	$self->enter_link;	2618	$self->enter_link;
1951		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1952	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1953	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1954	unless (eval {	2628	unless (eval {
1955	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1956		2630
1957	1;	2631	1;
1958	}) {	2632	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1960	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1961	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2637
1964	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1965	$self->leave_link;	2639	$self->leave_link;
1966	}	2640	}
1967	})->prio (1);	2641	})->prio (1);
…		…
1980		2654
1981	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1983		2657
1984	utf8::encode $text;	2658	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2660	}
1987		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
		2785	=item $client->ext_msg ($type, @msg)
		2786
		2787	Sends an ext event to the client.
		2788
		2789	=cut
		2790
		2791	sub cf::client::ext_msg($$@) {
		2792	my ($self, $type, @msg) = @_;
		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
		2797	push @msg, msgtype => "event_$type";
		2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
		2818	}
1988		2819
1989	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
1990		2821
1991	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
1992	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994		2825
1995	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
1996	reliable at some point in the future.	2827	become reliable at some point in the future.
1997		2828
1998	=cut	2829	=cut
1999		2830
2000	sub cf::client::query {	2831	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	2840	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		2842
2012	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
2014	}	2847	}
2015		2848
2016	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
2017	on_reply => sub {	2855	on_reply => sub {
2018	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2019		2857
2020	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2021	# get handled first	2859	# get handled first
…		…
2033	} else {	2871	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	2873	}
2036	}	2874	}
2037	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2038	);	2902	);
2039		2903
2040	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2041		2905
2042	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2083	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2085		2949
2086	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2087		2951
2088	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2089		2957
2090	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2091		2959
2092	=pod	2960	=pod
2093		2961
2094	The following fucntions and emthods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2095		2963
2096	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2097	cf::object::player player	2968	cf::object::player
2098	cf::player peaceful	2969	player
2099	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2100		2976
2101	=cut	2977	=cut
2102		2978
2103	for (	2979	for (
2104	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2105	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2107	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2108	) {	2986	) {
2109	no strict 'refs';	2987	no strict 'refs';
…		…
2180	=back	3058	=back
2181		3059
2182	=cut	3060	=cut
2183		3061
2184	#############################################################################	3062	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255
2256	#############################################################################
2257	# the server's init and main functions	3063	# the server's init and main functions
2258		3064
2259	sub load_resources {	3065	sub load_facedata($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3066	my ($path) = @_;
		3067
		3068	# HACK to clear player env face cache, we need some signal framework
		3069	# for this (global event?)
		3070	%ext::player_env::MUSIC_FACE_CACHE = ();
		3071
		3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3073
		3074	warn "loading facedata from $path\n";
		3075
		3076	my $facedata;
		3077	0 < aio_load $path, $facedata
		3078	or die "$path: $!";
		3079
		3080	$facedata = Coro::Storable::thaw $facedata;
		3081
		3082	$facedata->{version} == 2
		3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3084
		3085	# patch in the exptable
		3086	$facedata->{resource}{"res/exp_table"} = {
		3087	type => FT_RSRC,
		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3089	};
		3090	cf::cede_to_tick;
		3091
		3092	{
		3093	my $faces = $facedata->{faceinfo};
		3094
		3095	while (my ($face, $info) = each %$faces) {
		3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
		3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3101
		3102	cf::cede_to_tick;
		3103	}
		3104
		3105	while (my ($face, $info) = each %$faces) {
		3106	next unless $info->{smooth};
		3107	my $idx = cf::face::find $face
		3108	or next;
		3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
		3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3112	} else {
		3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3114	}
		3115
		3116	cf::cede_to_tick;
		3117	}
		3118	}
		3119
		3120	{
		3121	my $anims = $facedata->{animinfo};
		3122
		3123	while (my ($anim, $info) = each %$anims) {
		3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	cf::anim::invalidate_all; # d'oh
		3129	}
		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
		3180	1
		3181	}
		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3197	or die "unable to load regions file\n";
2262	}
2263		3198
2264	sub cfg_load {	3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
		3225	sub reload_resources {
		3226	warn "reloading resource files...\n";
		3227
		3228	reload_regions;
		3229	reload_facedata;
		3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
		3235	}
		3236
		3237	sub init {
		3238	reload_resources;
		3239	}
		3240
		3241	sub reload_config {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	3243	or return;
2267		3244
2268	local $/;	3245	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2270		3247
…		…
2280	};	3257	};
2281	warn $@ if $@;	3258	warn $@ if $@;
2282	}	3259	}
2283	}	3260	}
2284		3261
2285	sub init {
2286	load_resources;
2287	}
2288
2289	sub main {	3262	sub main {
2290	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2294	Event::one_event;	3268	Event::one_event;
2295	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2296	};	3270	};
2297		3271
2298	cfg_load;	3272	reload_config;
2299	db_init;	3273	db_init;
2300	load_extensions;	3274	load_extensions;
2301		3275
2302	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2303	Event::loop;	3277	Event::loop;
…		…
2319	},	3293	},
2320	);	3294	);
2321	}	3295	}
2322	}	3296	}
2323		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2324	sub emergency_save() {	3336	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2326		3338
2327	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2328		3340
…		…
2332	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2334	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3350	$pl->save;
2338	}	3351	}
2339	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2340		3353
2341	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2359		3372
2360	warn Carp::longmess "post_cleanup backtrace"	3373	warn Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3374	if $make_core;
2362	}	3375	}
2363		3376
2364	sub reload() {	3377	sub do_reload_perl() {
2365	# can/must only be called in main	3378	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2367	warn "can only reload from main coroutine";	3380	warn "can only reload from main coroutine";
2368	return;	3381	return;
2369	}	3382	}
…		…
2389		3402
2390	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2391	for (;;) {	3404	for (;;) {
2392	BDB::flush;	3405	BDB::flush;
2393	IO::AIO::flush;	3406	IO::AIO::flush;
2394	Coro::cede;	3407	Coro::cede_notself;
2395	last unless IO::AIO::nreqs || BDB::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";	3409	warn "iterate...";
2397	}	3410	}
		3411
		3412	++$RELOAD;
2398		3413
2399	warn "cancelling all extension coros";	3414	warn "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3415	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3416	%EXT_CORO = ();
2402		3417
2403	warn "removing commands";	3418	warn "removing commands";
2404	%COMMAND = ();	3419	%COMMAND = ();
2405		3420
2406	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2407	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2408		3424
2409	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2412		3428
…		…
2442	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444		3460
2445	warn "unloading cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2447		3464
2448	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3466	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2451		3468
…		…
2454	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2455	require cf;	3472	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2457		3474
2458	warn "loading config and database again";	3475	warn "loading config and database again";
2459	cf::cfg_load;	3476	cf::reload_config;
2460		3477
2461	warn "loading extensions";	3478	warn "loading extensions";
2462	cf::load_extensions;	3479	cf::load_extensions;
2463		3480
2464	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
2465	_global_reattach;	3482	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3483	warn "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
2468		3485	warn "reattaching attachments to players";
2469	warn "loading reloadable resources";	3486	reattach $_ for values %PLAYER;
2470	load_resources;
2471		3487
2472	warn "leaving sync_job";	3488	warn "leaving sync_job";
2473		3489
2474	1	3490	1
2475	} or do {	3491	} or do {
…		…
2481	warn "reloaded";	3497	warn "reloaded";
2482	};	3498	};
2483		3499
2484	our $RELOAD_WATCHER; # used only during reload	3500	our $RELOAD_WATCHER; # used only during reload
2485		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2486	register_command "reload" => sub {	3517	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2488		3519
2489	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
2491		3522	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	3523	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	3524	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	3525	};
2504	}	3526	}
2505	};	3527	};
2506		3528
2507	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2508		3530
2509	my $bug_warning = 0;	3531	my $bug_warning = 0;
		3532
		3533	our @WAIT_FOR_TICK;
		3534	our @WAIT_FOR_TICK_BEGIN;
		3535
		3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
		3540	my $signal = new Coro::Signal;
		3541	push @WAIT_FOR_TICK, $signal;
		3542	$signal->wait;
		3543	}
		3544
		3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
		3549	my $signal = new Coro::Signal;
		3550	push @WAIT_FOR_TICK_BEGIN, $signal;
		3551	$signal->wait;
		3552	}
2510		3553
2511	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2512	reentrant => 0,	3555	reentrant => 0,
2513	parked => 1,	3556	parked => 1,
2514	prio => 0,	3557	prio => 0,
…		…
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	3563	unless ++$bug_warning > 10;
2521	return;	3564	return;
2522	}	3565	}
2523		3566
2524	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2525		3568
2526	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2527	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2529		3573
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2532	Coro::async_pool {	3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	3578	write_runtime
2534	or warn "ERROR: unable to write runtime file: $!";	3579	or warn "ERROR: unable to write runtime file: $!";
2535	};	3580	};
2536	}	3581	}
2537		3582
		3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3584	$sig->send;
		3585	}
		3586	while (my $sig = shift @WAIT_FOR_TICK) {
		3587	$sig->send;
		3588	}
2538		3589
2539	$WAIT_FOR_TICK->broadcast;	3590	$NOW = Event::time;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544		3591
2545	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2547		3594
2548	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2550	},	3602	},
2551	);	3603	);
2552		3604
2553	{	3605	{
		3606	BDB::min_parallel 8;
2554	BDB::max_poll_time $TICK * 0.1;	3607	BDB::max_poll_time $TICK * 0.1;
2555	$BDB_POLL_WATCHER = Event->io (	3608	$BDB_POLL_WATCHER = Event->io (
2556	reentrant => 0,	3609	reentrant => 0,
2557	fd => BDB::poll_fileno,	3610	fd => BDB::poll_fileno,
2558	poll => 'r',	3611	poll => 'r',
2559	prio => 0,	3612	prio => 0,
2560	data => WF_AUTOCANCEL,	3613	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,	3614	cb => \&BDB::poll_cb,
2562	);	3615	);
2563	BDB::min_parallel 8;
2564		3616
2565	BDB::set_sync_prepare {	3617	BDB::set_sync_prepare {
2566	my $status;	3618	my $status;
2567	my $current = $Coro::current;	3619	my $current = $Coro::current;
2568	(	3620	(
…		…
2577	)	3629	)
2578	};	3630	};
2579		3631
2580	unless ($DB_ENV) {	3632	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582		3638
2583	cf::sync_job {	3639	cf::sync_job {
2584	eval {	3640	eval {
2585	BDB::db_env_open	3641	BDB::db_env_open
2586	$DB_ENV,	3642	$DB_ENV,
2587	$BDB_ENV_DIR,	3643	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	3646	0666;
2591		3647
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	3649	};
2597		3650
2598	cf::cleanup "db_env_open(db): $@" if $@;	3651	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	3652	};
2600	}	3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
2601	}	3685	}
2602		3686
2603	{	3687	{
2604	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2605		3689
…		…
2608	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2609	reentrant => 0,	3693	reentrant => 0,
2610	data => WF_AUTOCANCEL,	3694	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2612	poll => 'r',	3696	poll => 'r',
2613	prio => 6,	3697	prio => 0,
2614	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2615	);	3699	);
2616	}	3700	}
2617		3701
		3702	my $_log_backtrace;
		3703
		3704	sub _log_backtrace {
		3705	my ($msg, @addr) = @_;
		3706
		3707	$msg =~ s/\n//;
		3708
		3709	# limit the # of concurrent backtraces
		3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
		3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
		3739	}
		3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
		3744
2618	END { cf::emergency_save }	3745	END { cf::emergency_save }
2619		3746
2620	1	3747	1
2621		3748

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