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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
47		89
48	our %CFG;	90	our %CFG;
49		91
50	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	93	our $RUNTIME;
52		94
53	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	97	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		98
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	99	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
61		105
62	binmode STDOUT;	106	binmode STDOUT;
63	binmode STDERR;	107	binmode STDERR;
64		108
65	# read virtual server time, if available	109	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
70	}	114	}
71		115
72	mkdir cf::localdir;	116	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		118
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
81		122
82	#############################################################################	123	#############################################################################
83		124
84	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
85		126
…		…
92	=item $cf::RUNTIME	133	=item $cf::RUNTIME
93		134
94	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
95	every server tick.	136	every server tick.
96		137
97	=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
98		141
99	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		146
102	=item $cf::NOW	147	=item $cf::NOW
103		148
104	The time of the last (current) server tick.	149	The time of the last (current) server tick.
105		150
106	=item $cf::TICK	151	=item $cf::TICK
107		152
108	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.
109		164
110	=item %cf::CFG	165	=item %cf::CFG
111		166
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	168	from wherever your confdir points to.
114		169
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		171
117	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
118	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
119	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.
120	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.
121		181
122	=back	182	=back
123		183
124	=cut	184	=cut
125		185
126	BEGIN {	186	BEGIN {
127	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	188	my $msg = join "", @_;
129	utf8::encode $msg;
130		189
131	$msg .= "\n"	190	$msg .= "\n"
132	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133		194
134	LOG llevError, $msg;	195	LOG llevError, $msg;
135	};	196	};
136	}	197	}
137		198
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		206
145	# 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
146	# within the Safe compartment.	208	# within the Safe compartment.
147	for my $pkg (qw(	209	for my $pkg (qw(
148	cf::global cf::attachable	210	cf::global cf::attachable
…		…
157		219
158	$Event::DIED = sub {	220	$Event::DIED = sub {
159	warn "error in event callback: @_";	221	warn "error in event callback: @_";
160	};	222	};
161		223
162	my %ext_pkg;	224	#############################################################################
163	my @exts;
164	my @hook;
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$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;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	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
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($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#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		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;
265	}	397	}
266		398
267	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
268		400
269	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		406
275	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
276		408
277	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
278		410
279	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)
280	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
281	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.
282		415
283	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
284	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
285	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
286	fast or be very important.	419	fast or be very important.
…		…
289		422
290	sub sync_job(&) {	423	sub sync_job(&) {
291	my ($job) = @_;	424	my ($job) = @_;
292		425
293	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
294	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
296		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
297	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	435	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
300		437
301	my $busy = 1;	438	my $busy = 1;
302	my @res;	439	my @res;
303		440
304	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	443	@res = eval { $job->() };
306	warn $@ if $@;	444	warn $@ if $@;
307	undef $busy;	445	undef $busy;
308	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
309		447
310	while ($busy) {	448	while ($busy) {
311	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
312	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
313		458
314	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
315	} else {	460	} else {
316	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
317		462
…		…
319	}	464	}
320	}	465	}
321		466
322	=item $coro = cf::async_ext { BLOCK }	467	=item $coro = cf::async_ext { BLOCK }
323		468
324	Like async, but this coro is automcatially being canceled when the	469	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	470	extension calling this is being unloaded.
326		471
327	=cut	472	=cut
328		473
329	sub async_ext(&) {	474	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
338		483
339	$coro	484	$coro
340	}	485	}
341		486
342	sub write_runtime {	487	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		488
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
346	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
347		493
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		495
352	aio_fsync $fh	496	sub fork_call(&@) {
353	and return;	497	my ($cb, @args) = @_;
354		498
355	close $fh	499	# we seemingly have to make a local copy of the whole thing,
356	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
357		502
358	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
359	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
360		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
361	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	647	}
363		648
364	=back	649	=back
365		650
366	=cut	651	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		652
495	#############################################################################	653	#############################################################################
496		654
497	=head2 ATTACHABLE OBJECTS	655	=head2 ATTACHABLE OBJECTS
498		656
…		…
500	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
502		660
503	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	663	Crossfire TRT).
506		664
507	=over 4	665	=over 4
508		666
509	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
510		668
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	782	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	783	our @CB_MAP = ();
626		784
627	my %attachment;	785	my %attachment;
628		786
		787	sub cf::attachable::thawer_merge {
		788	# simply override everything except _meta
		789	local $_[0]{_meta};
		790	%{$_[0]} = %{$_[1]};
		791	}
		792
629	sub _attach_cb($$$$) {	793	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	794	my ($registry, $event, $prio, $cb) = @_;
631		795
632	use sort 'stable';	796	use sort 'stable';
633		797
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
668		832
669	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		837
674	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	839	my $pkg = shift @arg;
676		840
677	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
707	}	871	}
708		872
709	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
710	} else {	874	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	876	}
713		877
714	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
715	}	879	}
716		880
…		…
718	if (ref $_[0]) {	882	if (ref $_[0]) {
719	_object_attach @_;	883	_object_attach @_;
720	} else {	884	} else {
721	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
722	}	886	}
		887	_recalc_want;
723	};	888	};
724		889
725	# all those should be optimised	890	# all those should be optimised
726	sub cf::attachable::detach {	891	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
731	reattach ($obj);	896	reattach ($obj);
732	} else {	897	} else {
733	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
734	}	899	}
		900	_recalc_want;
735	};	901	};
736		902
737	sub cf::attachable::attached {	903	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
739		905
…		…
754	";	920	";
755	die if $@;	921	die if $@;
756	}	922	}
757		923
758	our $override;	924	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		926
761	sub override {	927	sub override {
762	$override = 1;	928	$override = 1;
763	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
764	}	930	}
765		931
766	sub do_invoke {	932	sub do_invoke {
767	my $event = shift;	933	my $event = shift;
768	my $callbacks = shift;	934	my $callbacks = shift;
769		935
770	@invoke_results = ();	936	@INVOKE_RESULTS = ();
771		937
772	local $override;	938	local $override;
773		939
774	for (@$callbacks) {	940	for (@$callbacks) {
775	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
792		958
793	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
794		960
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		964
799	=back	965	=back
800		966
801	=cut	967	=cut
802		968
803	#############################################################################	969	#############################################################################
804	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
805		982
806	sub reattach {	983	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	985	my ($obj) = @_;
		986
		987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		988
810	my $registry = $obj->registry;	989	my $registry = $obj->registry;
811		990
812	@$registry = ();	991	@$registry = ();
813		992
…		…
854	sub object_freezer_save {	1033	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
856		1035
857	sync_job {	1036	sync_job {
858	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
861		1041
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1046	close $fh;
867		1047
868	if (@$objs) {	1048	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1054	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
876	}	1056	}
877	} else {	1057	} else {
878	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
884	}	1064	}
885	} else {	1065	} else {
886	aio_unlink $filename;	1066	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
888	}	1068	}
889	}	1069	};
890	}	1070	}
891		1071
892	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
894		1074
…		…
906	or return;	1086	or return;
907		1087
908	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
910	or return;	1090	or return;
		1091
911	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1093	}
913		1094
		1095	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
916	return ($data, $av);	1099	($data, $av)
917	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
918		1107
919	#############################################################################	1108	#############################################################################
920	# command handling &c	1109	# command handling &c
921		1110
922	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1125	}
937		1126
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1128
940	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
941		1134
942	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
943	called.	1136	called.
944		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
945	=cut	1149	=cut
946		1150
947	sub register_extcmd {	1151	sub register_extcmd {
948	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
949		1153
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
954	}	1161	}
955		1162
956	cf::player->attach (	1163	cf::player->attach (
957	on_command => sub {	1164	on_command => sub {
958	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1174	cf::override;
968	},	1175	},
969	on_extcmd => sub {	1176	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
971		1178
972	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1180
974	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
980	} else {	1196	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1198	}
983		1199
984	cf::override;	1200	cf::override;
985	},	1201	},
986	);	1202	);
987		1203
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
1065	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1209	next unless -r $path;
1067	eval {	1210
1068	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
1069	1	1268	}
1070	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
1071	}	1274	};
1072	}	1275	}
1073		1276
1074	#############################################################################	1277	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1278
1077	*cf::mapsupport::on_clean = sub {	1279	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1280
1090	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
1091		1282
1092	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
1093		1284
…		…
1099		1290
1100	=head3 cf::player	1291	=head3 cf::player
1101		1292
1102	=over 4	1293	=over 4
1103		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
1104	=item cf::player::find $login	1309	=item cf::player::find $login
1105		1310
1106	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
1107		1312
1108	=cut	1313	=cut
1109		1314
1110	sub playerdir($) {	1315	sub playerdir($) {
1111	cf::localdir	1316	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1318	}
1117		1319
1118	sub path($) {	1320	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1322
1121	(playerdir $login) . "/$login.pl"	1323	(playerdir $login) . "/playerdata"
1122	}	1324	}
1123		1325
1124	sub find_active($) {	1326	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1327	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1328	and $cf::PLAYER{$_[0]}->active
…		…
1129		1331
1130	sub exists($) {	1332	sub exists($) {
1131	my ($login) = @_;	1333	my ($login) = @_;
1132		1334
1133	$cf::PLAYER{$login}	1335	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1336	or cf::sync_job { !aio_stat path $login }
1135	}	1337	}
1136		1338
1137	sub find($) {	1339	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1340	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1341	my $login = $_[0];
1140		1342
1141	my $guard = cf::lock_acquire "user_find:$login";	1343	my $guard = cf::lock_acquire "user_find:$login";
1142		1344
1143	$cf::PLAYER{$_[0]} || do {	1345	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1346	# rename old playerfiles to new ones
		1347	#TODO: remove when no longer required
		1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1351	aio_unlink +(playerdir $login) . "/$login.pl";
		1352
		1353	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1147	}	1361	}
1148	}	1362	}
1149	}	1363	}
1150		1364
…		…
1160		1374
1161	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1163		1377
1164	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1165	Coro::cede;	1379	cf::cede_to_tick;
1166	}	1380	}
1167		1381
1168	sub new($) {	1382	sub new($) {
1169	my ($login) = @_;	1383	my ($login) = @_;
1170		1384
…		…
1176	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1177		1391
1178	$self	1392	$self
1179	}	1393	}
1180		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
		1403	}
		1404
1181	=item $pl->quit_character	1405	=item $pl->quit_character
1182		1406
1183	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1408	be destroyed. May block for a long time.
1185		1409
1186	=cut	1410	=cut
1187		1411
1188	sub quit_character {	1412	sub quit_character {
1189	my ($pl) = @_;	1413	my ($pl) = @_;
		1414
		1415	my $name = $pl->ob->name;
1190		1416
1191	$pl->{deny_save} = 1;	1417	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1418	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1419
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1425	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1426	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1427	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1428	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1429	$pl->destroy;
		1430
		1431	my $prefix = qr<^~\Q$name\E/>;
		1432
		1433	# nuke player maps
		1434	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1435
1204	IO::AIO::aio_rmtree $temp;	1436	IO::AIO::aio_rmtree $temp;
		1437	}
		1438
		1439	=item $pl->kick
		1440
		1441	Kicks a player out of the game. This destroys the connection.
		1442
		1443	=cut
		1444
		1445	sub kick {
		1446	my ($pl, $kicker) = @_;
		1447
		1448	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1449	$pl->killer ("kicked");
		1450	$pl->ns->destroy;
1205	}	1451	}
1206		1452
1207	=item cf::player::list_logins	1453	=item cf::player::list_logins
1208		1454
1209	Returns am arrayref of all valid playernames in the system, can take a	1455	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1211		1457
1212	=cut	1458	=cut
1213		1459
1214	sub list_logins {	1460	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1462	or return [];
1217		1463
1218	my @logins;	1464	my @logins;
1219		1465
1220	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1224		1475
1225	utf8::decode $login;	1476	utf8::decode $login;
1226	push @logins, $login;	1477	push @logins, $login;
1227	}	1478	}
1228		1479
1229	\@logins	1480	\@logins
1230	}	1481	}
1231		1482
1232	=item $player->maps	1483	=item $player->maps
1233		1484
1234	Returns an arrayref of cf::path's of all maps that are private for this	1485	Returns an arrayref of map paths that are private for this
1235	player. May block.	1486	player. May block.
1236		1487
1237	=cut	1488	=cut
1238		1489
1239	sub maps($) {	1490	sub maps($) {
1240	my ($pl) = @_;	1491	my ($pl) = @_;
		1492
		1493	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1494
1242	my $files = aio_readdir playerdir $pl	1495	my $files = aio_readdir playerdir $pl
1243	or return;	1496	or return;
1244		1497
1245	my @paths;	1498	my @paths;
…		…
1247	for (@$files) {	1500	for (@$files) {
1248	utf8::decode $_;	1501	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1502	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1503	next unless /^$PATH_SEP/o;
1251		1504
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1505	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1506	}
1254		1507
1255	\@paths	1508	\@paths
1256	}	1509	}
1257		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1259		1563
1260	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1261		1565
1262	=cut	1566	=cut
1263		1567
1264	sub ext_reply($$$%) {	1568	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1266		1570
1267	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1572	}
1271		1573
1272	package cf;	1574	=item $player->ext_msg ($type, @msg)
		1575
		1576	Sends an ext event to the client.
		1577
		1578	=cut
		1579
		1580	sub ext_msg($$@) {
		1581	my ($self, $type, @msg) = @_;
		1582
		1583	$self->ns->ext_msg ($type, @msg);
		1584	}
		1585
		1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1273		1614
1274	=back	1615	=back
1275
1276		1616
1277	=head3 cf::map	1617	=head3 cf::map
1278		1618
1279	=over 4	1619	=over 4
1280		1620
…		…
1283	package cf::map;	1623	package cf::map;
1284		1624
1285	use Fcntl;	1625	use Fcntl;
1286	use Coro::AIO;	1626	use Coro::AIO;
1287		1627
		1628	use overload
		1629	'""' => \&as_string,
		1630	fallback => 1;
		1631
1288	our $MAX_RESET = 3600;	1632	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1633	our $DEFAULT_RESET = 3000;
1290		1634
1291	sub generate_random_map {	1635	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1636	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1637	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1638	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1642	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1643	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1644	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1645	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1646	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1647	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1648	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1649	(cf::region::find $rmp->{region}), $rmp->{custom}
		1650	)
		1651	}
		1652
		1653	=item cf::map->register ($regex, $prio)
		1654
		1655	Register a handler for the map path matching the given regex at the
		1656	givne priority (higher is better, built-in handlers have priority 0, the
		1657	default).
		1658
		1659	=cut
		1660
		1661	sub register {
		1662	my (undef, $regex, $prio) = @_;
		1663	my $pkg = caller;
		1664
		1665	no strict;
		1666	push @{"$pkg\::ISA"}, __PACKAGE__;
		1667
		1668	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1669	}
		1670
		1671	# also paths starting with '/'
		1672	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1673
		1674	sub thawer_merge {
		1675	my ($self, $merge) = @_;
		1676
		1677	# we have to keep some variables in memory intact
		1678	local $self->{path};
		1679	local $self->{load_path};
		1680
		1681	$self->SUPER::thawer_merge ($merge);
		1682	}
		1683
		1684	sub normalise {
		1685	my ($path, $base) = @_;
		1686
		1687	$path = "$path"; # make sure its a string
		1688
		1689	$path =~ s/\.map$//;
		1690
		1691	# map plan:
		1692	#
		1693	# /! non-realised random map exit (special hack!)
		1694	# {... are special paths that are not being touched
		1695	# ?xxx/... are special absolute paths
		1696	# ?random/... random maps
		1697	# /... normal maps
		1698	# ~user/... per-player map of a specific user
		1699
		1700	$path =~ s/$PATH_SEP/\//go;
		1701
		1702	# treat it as relative path if it starts with
		1703	# something that looks reasonable
		1704	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1705	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1706
		1707	$base =~ s{[^/]+/?$}{};
		1708	$path = "$base/$path";
		1709	}
		1710
		1711	for ($path) {
		1712	redo if s{//}{/};
		1713	redo if s{/\.?/}{/};
		1714	redo if s{/[^/]+/\.\./}{/};
		1715	}
		1716
		1717	$path
		1718	}
		1719
		1720	sub new_from_path {
		1721	my (undef, $path, $base) = @_;
		1722
		1723	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1724
		1725	$path = normalise $path, $base;
		1726
		1727	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1728	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1729	my $self = bless cf::map::new, $pkg;
		1730	$self->{path} = $path; $self->path ($path);
		1731	$self->init; # pass $1 etc.
		1732	return $self;
		1733	}
		1734	}
		1735
		1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1737	()
		1738	}
		1739
		1740	sub init {
		1741	my ($self) = @_;
		1742
		1743	$self
		1744	}
		1745
		1746	sub as_string {
		1747	my ($self) = @_;
		1748
		1749	"$self->{path}"
		1750	}
		1751
		1752	# the displayed name, this is a one way mapping
		1753	sub visible_name {
		1754	&as_string
		1755	}
		1756
		1757	# the original (read-only) location
		1758	sub load_path {
		1759	my ($self) = @_;
		1760
		1761	"$MAPDIR/$self->{path}.map"
		1762	}
		1763
		1764	# the temporary/swap location
		1765	sub save_path {
		1766	my ($self) = @_;
		1767
		1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1769	"$TMPDIR/$path.map"
		1770	}
		1771
		1772	# the unique path, undef == no special unique path
		1773	sub uniq_path {
		1774	my ($self) = @_;
		1775
		1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1777	"$UNIQUEDIR/$path"
1308	}	1778	}
1309		1779
1310	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1311	# all maps in C++...	1781	# all maps in C++...
1312	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1314		1784
1315	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1317	}	1787	}
1318		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
		1797	sub unlink_save {
		1798	my ($self) = @_;
		1799
		1800	utf8::encode (my $save = $self->save_path);
		1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1802	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1803	}
		1804
1319	sub try_load_header($) {	1805	sub load_header_from($) {
1320	my ($path) = @_;	1806	my ($self, $path) = @_;
1321		1807
1322	utf8::encode $path;	1808	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1324	or return;	1810	or return;
1325		1811
1326	my $map = cf::map::new	1812	$self->_load_header ($f)
1327	or return;	1813	or return;
1328		1814
1329	# for better error messages only, will be overwritten	1815	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1816	$f->resolve_delayed_derefs;
1331		1817
1332	$map->load_header ($path)	1818	$self->{load_path} = $path;
		1819
		1820	1
		1821	}
		1822
		1823	sub load_header_orig {
		1824	my ($self) = @_;
		1825
		1826	$self->load_header_from ($self->load_path)
		1827	}
		1828
		1829	sub load_header_temp {
		1830	my ($self) = @_;
		1831
		1832	$self->load_header_from ($self->save_path)
		1833	}
		1834
		1835	sub prepare_temp {
		1836	my ($self) = @_;
		1837
		1838	$self->last_access ((delete $self->{last_access})
		1839	|| $cf::RUNTIME); #d#
		1840	# safety
		1841	$self->{instantiate_time} = $cf::RUNTIME
		1842	if $self->{instantiate_time} > $cf::RUNTIME;
		1843	}
		1844
		1845	sub prepare_orig {
		1846	my ($self) = @_;
		1847
		1848	$self->{load_original} = 1;
		1849	$self->{instantiate_time} = $cf::RUNTIME;
		1850	$self->last_access ($cf::RUNTIME);
		1851	$self->instantiate;
		1852	}
		1853
		1854	sub load_header {
		1855	my ($self) = @_;
		1856
		1857	if ($self->load_header_temp) {
		1858	$self->prepare_temp;
		1859	} else {
		1860	$self->load_header_orig
1333	or return;	1861	or return;
		1862	$self->prepare_orig;
		1863	}
1334		1864
1335	$map->{load_path} = $path;	1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
1336		1867
1337	$map	1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
		1870
		1871	1
1338	}	1872	}
1339		1873
1340	sub find;	1874	sub find;
1341	sub find {	1875	sub find {
1342	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1343		1877
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1349	cf::lock_wait "map_find:$key";	1881	cf::lock_wait "map_find:$path";
1350		1882
1351	$cf::MAP{$key} || do {	1883	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1353		1886
1354	# do it the slow way	1887	my $map = new_from_path cf::map $path
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1888	or return;
1373		1889
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1386		1891
1387	Coro::cede;	1892	$map->load_header
		1893	or return;
1388		1894
1389	if ($map->should_reset) {	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1896	# doing this can freeze the server in a sync job, obviously
		1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1390	$map->reset;	1900	$map->reset;
1391	undef $guard;
1392	$map = find $path	1901	return find $path;
1393	or return;
1394	}	1902	}
1395		1903
1396	$cf::MAP{$key} = $map	1904	$cf::MAP{$path} = $map
1397	}	1905	}
1398	}	1906	}
		1907
		1908	sub pre_load { }
		1909	sub post_load { }
1399		1910
1400	sub load {	1911	sub load {
1401	my ($self) = @_;	1912	my ($self) = @_;
1402		1913
		1914	local $self->{deny_reset} = 1; # loading can take a long time
		1915
1403	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1919	my $guard = cf::lock_acquire "map_data:$path";
1405		1920
		1921	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1923
1408	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1409		1925
1410	$self->alloc;	1926	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	1927
		1928	$self->pre_load;
		1929	cf::cede_to_tick;
		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1412	or return;	1934	or return;
1413		1935
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1937	if delete $self->{load_original};
1416		1938
1417	if (my $uniq = $path->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1940	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	1943	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1422	}	1947	}
1423	}	1948	}
1424		1949
1425	Coro::cede;	1950	$f->resolve_delayed_derefs;
1426		1951
		1952	cf::cede_to_tick;
1427	# now do the right thing for maps	1953	# now do the right thing for maps
1428	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1956	unless $self->difficulty;
		1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1440	$self->activate;	1966	$self->activate;
1441	}	1967	}
1442		1968
1443	Coro::cede;	1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1444		1971
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
		1973	}
		1974
		1975	$self->post_load;
		1976	}
		1977
		1978	sub customise_for {
		1979	my ($self, $ob) = @_;
		1980
		1981	return find "~" . $ob->name . "/" . $self->{path}
		1982	if $self->per_player;
		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
		1987	$self
1446	}	1988	}
1447		1989
1448	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1991	sub load_neighbours {
1450	my ($map) = @_;	1992	my ($map) = @_;
1451		1993
1452	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1453		1995
1454	for (0 .. 3) {	1996	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1456	or next;	1998	or next;
1457	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1458	or next;	2000	or next;
1459	$neigh->load;	2001	$neigh->load;
1460		2002
		2003	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2006	}
1464		2007
1465	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1467	or next;	2011	or next;
1468	$neigh->load;	2012	$neigh->load;
1469	}	2013	}
1470	}	2014	}
1471		2015
…		…
1476	}	2020	}
1477		2021
1478	sub do_load_sync {	2022	sub do_load_sync {
1479	my ($map) = @_;	2023	my ($map) = @_;
1480		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1481	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1482	}	2029	}
1483		2030
1484	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
		2032	our $MAP_PREFETCHER = undef;
		2033
		2034	sub find_async {
		2035	my ($path, $origin, $load) = @_;
		2036
		2037	$path = normalise $path, $origin && $origin->{path};
		2038
		2039	if (my $map = $cf::MAP{$path}) {
		2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2041	}
		2042
		2043	$MAP_PREFETCH{$path} |= $load;
		2044
1485	our $MAP_PREFETCHER = Coro::async {	2045	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2046	$Coro::current->{desc} = "map prefetcher";
		2047
1487	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
1490	my $path = delete $MAP_PREFETCH{$key};	2054	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2055	}
1496	Coro::schedule;	2056	}
		2057	undef $MAP_PREFETCHER;
1497	}	2058	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1512		2060
1513	()	2061	()
1514	}	2062	}
1515		2063
1516	sub save {	2064	sub save {
1517	my ($self) = @_;	2065	my ($self) = @_;
1518		2066
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2068
1521	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1522		2070
1523	return unless $self->dirty;	2071	return unless $self->dirty;
1524		2072
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2073	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2074	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2075
1528	$self->{load_path} = $save;	2076	$self->{load_path} = $save;
1529		2077
1530	return if $self->{deny_save};	2078	return if $self->{deny_save};
1531		2079
1532	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1533		2081
1534	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1536	};	2085	};
1537		2086
1538	if ($uniq) {	2087	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2090	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2092	}
1544	}	2093	}
1545		2094
1546	sub swap_out {	2095	sub swap_out {
1547	my ($self) = @_;	2096	my ($self) = @_;
1548		2097
1549	# save first because save cedes	2098	# save first because save cedes
1550	$self->save;	2099	$self->save;
1551		2100
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2102
1554	return if $self->players;	2103	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};	2105	return if $self->{deny_save};
1557		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2111	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2112	}
1561		2113
1562	sub reset_at {	2114	sub reset_at {
1563	my ($self) = @_;	2115	my ($self) = @_;
1564		2116
1565	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1568		2119
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2122
…		…
1576	my ($self) = @_;	2127	my ($self) = @_;
1577		2128
1578	$self->reset_at <= $cf::RUNTIME	2129	$self->reset_at <= $cf::RUNTIME
1579	}	2130	}
1580		2131
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2132	sub reset {
1603	my ($self) = @_;	2133	my ($self) = @_;
1604		2134
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2136
1607	return if $self->players;	2137	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2138
1610	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
		2140
		2141	$self->in_memory (cf::MAP_SWAPPED);
		2142
		2143	# need to save uniques path
		2144	unless ($self->{deny_save}) {
		2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2146
		2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2148	if $uniq;
		2149	}
1611		2150
1612	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1613		2152
		2153	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2154	$_->clear_links_to ($self) for values %cf::MAP;
		2155	$self->clear;
1615		2156
1616	$self->unlink_save;	2157	$self->unlink_save;
1617	$self->destroy;	2158	$self->destroy;
1618	}	2159	}
1619		2160
1620	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1621		2162
1622	sub nuke {	2163	sub nuke {
1623	my ($self) = @_;	2164	my ($self) = @_;
1624		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
		2169	delete $cf::MAP{$self->path};
		2170
		2171	$self->unlink_save;
		2172
		2173	bless $self, "cf::map";
		2174	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2178
		2179	$cf::MAP{$self->path} = $self;
		2180	}
		2181
1628	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
1629	}	2183	}
1630		2184
1631	sub customise_for {	2185	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2186
1634	if ($map->per_player) {	2187	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
1636	}	2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
1637		2202
1638	$map	2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1639	}	2219	}
1640		2220
1641	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1642		2222
1643	Returns an arrayref of cf::path's of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2224	instantiated unique items. May block.
1645		2225
1646	=cut	2226	=cut
1647		2227
1648	sub unique_maps() {	2228	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1650	or return;	2230	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2231	utf8::decode $_;
1656	next if /\.pst$/;	2232	/\.map$/
1657	next unless /^$PATH_SEP/o;	2233	? normalise $_
1658		2234	: ()
1659	push @paths, new cf::path $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2236	]
1661
1662	\@paths
1663	}	2237	}
1664		2238
1665	package cf;	2239	package cf;
1666		2240
1667	=back	2241	=back
…		…
1685	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1686	}	2260	}
1687		2261
1688	sub inv_recursive {	2262	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1690	}	2292	}
1691		2293
1692	package cf;	2294	package cf;
1693		2295
1694	=back	2296	=back
…		…
1713		2315
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2317
1716	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1718	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1721	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1722	}	2343	}
1723		2344
1724	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1725		2346
1726	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1739		2360
1740	=item $player_object->enter_link	2361	=item $player_object->enter_link
1741		2362
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2363	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2364
1744	The player should be reaosnably safe there for short amounts of time. You	2365	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2366	I<MUST> call C<leave_link> as soon as possible, though.
1746		2367
		2368	Will never block.
		2369
1747	=item $player_object->leave_link ($map, $x, $y)	2370	=item $player_object->leave_link ($map, $x, $y)
1748		2371
1749	Moves the player out of the specila link map onto the given map. If the	2372	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2373	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2374	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2375	fails, to the emergency map position.
1753		2376
1754	Might block.	2377	Might block.
1755		2378
1756	=cut	2379	=cut
		2380
		2381	sub link_map {
		2382	unless ($LINK_MAP) {
		2383	$LINK_MAP = cf::map::find "{link}"
		2384	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2385	$LINK_MAP->load;
		2386	}
		2387
		2388	$LINK_MAP
		2389	}
1757		2390
1758	sub cf::object::player::enter_link {	2391	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2392	my ($self) = @_;
1760		2393
1761	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1762		2395
1763	return if $self->map == $LINK_MAP;	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2397
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1767		2400
1768	$self->enter_map ($LINK_MAP, 20, 20);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2402	}
1770		2403
1771	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1773		2408
1774	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1775		2410
1776	unless ($map) {	2411	unless ($map) {
1777	# restore original map position	2412	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1794		2429
1795	$map->load;	2430	$map->load;
1796	$map->load_diag;	2431	$map->load_neighbours;
1797		2432
1798	return unless $self->contr->active;	2433	return unless $self->contr->active;
1799	$self->activate_recursive;	2434	$self->activate_recursive;
		2435
		2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1801	}	2438	}
1802		2439
1803	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2441
1807	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1811	};	2446	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2447
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1838		2451
1839	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2454
1842	$path = new cf::path $path;	2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2457
1844	$self->enter_link;	2458	$self->enter_link;
1845		2459
1846	(async {	2460	(async {
1847	my $map = cf::map::find $path->as_string;	2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1849		2487	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1854		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1856	})->prio (1);	2506	})->prio (1);
1857	}	2507	}
1858		2508
1859	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1860		2510
…		…
1862		2512
1863	sub parse_random_map_params {	2513	sub parse_random_map_params {
1864	my ($spec) = @_;	2514	my ($spec) = @_;
1865		2515
1866	my $rmp = { # defaults	2516	my $rmp = { # defaults
1867	xsize => 10,	2517	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1869	};	2521	};
1870		2522
1871	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1873		2525
…		…
1877	$rmp	2529	$rmp
1878	}	2530	}
1879		2531
1880	sub prepare_random_map {	2532	sub prepare_random_map {
1881	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2536
1883	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2539	# that depends on the exit object
1886		2540
1887	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1888		2542
1889	if ($exit->map) {	2543	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1894	}	2548	}
1895		2549
1896	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1897		2551
1898	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
		2554	my $meta = "$RANDOMDIR/$md5.meta";
1900		2555
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
		2558	undef $fh;
		2559	aio_rename "$meta~", $meta;
1903		2560
1904	$exit->slaying ("?random/$md5");	2561	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2562	$exit->msg (undef);
1906	}	2563	}
1907	}	2564	}
…		…
1909	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1911		2568
1912	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1913		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1914	$self->enter_link;	2582	$self->enter_link;
1915		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
1916	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1917	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2592	unless (eval {
1919	prepare_random_map $exit	2593	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2594
1925	1;	2595	1;
1926	}) {	2596	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2597	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2598	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2599	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2600	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2601
1932	warn "ERROR in enter_exit: $@";	2602	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2603	$self->leave_link;
1934	}	2604	}
1935	})->prio (1);	2605	})->prio (1);
…		…
1948		2618
1949	sub cf::client::send_drawinfo {	2619	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2620	my ($self, $text, $flags) = @_;
1951		2621
1952	utf8::encode $text;	2622	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2624	}
1955		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
		2719	=item $client->ext_msg ($type, @msg)
		2720
		2721	Sends an ext event to the client.
		2722
		2723	=cut
		2724
		2725	sub cf::client::ext_msg($$@) {
		2726	my ($self, $type, @msg) = @_;
		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
		2731	push @msg, msgtype => "event_$type";
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
		2752	}
1956		2753
1957	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
1958		2755
1959	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2759
1963	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2761	become reliable at some point in the future.
1965		2762
1966	=cut	2763	=cut
1967		2764
1968	sub cf::client::query {	2765	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2774	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2776
1980	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
1982	}	2781	}
1983		2782
1984	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
1985	on_reply => sub {	2789	on_reply => sub {
1986	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
1987		2791
1988	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
1989	# get handled first	2793	# get handled first
1990	my $queue = delete $ns->{query_queue}	2794	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2795	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2796
1993	(shift @$queue)->[1]->($msg);	2797	(shift @$queue)->[1]->($msg);
		2798	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2799
1995	push @{ $ns->{query_queue} }, @$queue;	2800	push @{ $ns->{query_queue} }, @$queue;
1996		2801
1997	if (@{ $ns->{query_queue} } == @$queue) {	2802	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2803	if (@$queue) {
…		…
2000	} else {	2805	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2807	}
2003	}	2808	}
2004	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2005	);	2836	);
2006		2837
2007	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2008		2839
2009	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2052		2883
2053	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2054		2885
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2056		2891
2057	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2058		2893
2059	=pod	2894	=pod
2060		2895
2061	The following fucntions and emthods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2062		2897
2063	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2064	cf::object::player player	2902	cf::object::player
2065	cf::player peaceful	2903	player
2066	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2067		2910
2068	=cut	2911	=cut
2069		2912
2070	for (	2913	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2072	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2075	) {	2920	) {
2076	no strict 'refs';	2921	no strict 'refs';
…		…
2147	=back	2992	=back
2148		2993
2149	=cut	2994	=cut
2150		2995
2151	#############################################################################	2996	#############################################################################
		2997	# the server's init and main functions
2152		2998
2153	=head2 EXTENSION DATABASE SUPPORT	2999	sub load_facedata($) {
		3000	my ($path) = @_;
2154		3001
2155	Crossfire maintains a very simple database for extension use. It can	3002	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3003	# for this (global event?)
2157	excludes objects.	3004	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3005
2159	The parameter C<$family> should best start with the name of the extension	3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3007
2162	=over 4	3008	warn "loading facedata from $path\n";
2163		3009
2164	=item $hashref = cf::db_get $family	3010	my $facedata;
		3011	0 < aio_load $path, $facedata
		3012	or die "$path: $!";
2165		3013
2166	Return a hashref for use by the extension C<$family>, which can be	3014	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3015
2170	=item $value = cf::db_get $family => $key	3016	$facedata->{version} == 2
		3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3018
2172	Returns a single value from the database	3019	# patch in the exptable
2173		3020	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	3021	type => FT_RSRC,
2175		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3023	};
		3024	cf::cede_to_tick;
2225		3025
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3026	{
		3027	my $faces = $facedata->{faceinfo};
2230		3028
2231	sub db_get($;$) {	3029	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}	3031	cf::face::set_visibility $idx, $info->{visibility};
2234	: ($DB->{$_[0]} ||= { })	3032	cf::face::set_magicmap $idx, $info->{magicmap};
2235	}	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3035
2237	sub db_put($$;$) {	3036	cf::cede_to_tick;
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3037	}
2251	);
2252	}
2253		3038
2254	#############################################################################	3039	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3040	next unless $info->{smooth};
		3041	my $idx = cf::face::find $face
		3042	or next;
		3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
		3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3046	} else {
		3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3048	}
2256		3049
2257	sub cfg_load {	3050	cf::cede_to_tick;
		3051	}
		3052	}
		3053
		3054	{
		3055	my $anims = $facedata->{animinfo};
		3056
		3057	while (my ($anim, $info) = each %$anims) {
		3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	cf::anim::invalidate_all; # d'oh
		3063	}
		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
		3114	1
		3115	}
		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
		3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
		3159	sub reload_resources {
		3160	warn "reloading resource files...\n";
		3161
		3162	reload_regions;
		3163	reload_facedata;
		3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
		3169	}
		3170
		3171	sub init {
		3172	reload_resources;
		3173	}
		3174
		3175	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3177	or return;
2260		3178
2261	local $/;	3179	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2263		3181
…		…
2277		3195
2278	sub main {	3196	sub main {
2279	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2282	async { Event::one_event };	3202	Event::one_event;
		3203	})->prio (Coro::PRIO_MAX);
2283	};	3204	};
2284		3205
2285	cfg_load;	3206	reload_config;
2286	db_load;	3207	db_init;
2287	load_extensions;	3208	load_extensions;
		3209
		3210	$TICK_WATCHER->start;
2288	Event::loop;	3211	Event::loop;
2289	}	3212	}
2290		3213
2291	#############################################################################	3214	#############################################################################
2292	# initialisation and cleanup	3215	# initialisation and cleanup
2293		3216
2294	# install some emergency cleanup handlers	3217	# install some emergency cleanup handlers
2295	BEGIN {	3218	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	3219	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3220	Event->signal (
		3221	reentrant => 0,
2298	data => WF_AUTOCANCEL,	3222	data => WF_AUTOCANCEL,
2299	signal => $signal,	3223	signal => $signal,
		3224	prio => 0,
2300	cb => sub {	3225	cb => sub {
2301	cf::cleanup "SIG$signal";	3226	cf::cleanup "SIG$signal";
2302	},	3227	},
2303	);	3228	);
2304	}	3229	}
2305	}	3230	}
2306		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2307	sub emergency_save() {	3270	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2309		3272
2310	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2311		3274
2312	cf::sync_job {	3275	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3276	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3277	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3278	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3279	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3280	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3281	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3282	$pl->valid or next;
2320	$pl->save;	3283	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	3289	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3290	$map->valid or next;
2328	$map->save;	3291	$map->save;
2329	}	3292	}
2330	warn "end emergency map save\n";	3293	warn "end emergency map save\n";
		3294
		3295	warn "begin emergency database checkpoint\n";
		3296	BDB::db_env_txn_checkpoint $DB_ENV;
		3297	warn "end emergency database checkpoint\n";
2331	};	3298	};
2332		3299
2333	warn "leave emergency perl save\n";	3300	warn "leave emergency perl save\n";
2334	}	3301	}
2335		3302
		3303	sub post_cleanup {
		3304	my ($make_core) = @_;
		3305
		3306	warn Carp::longmess "post_cleanup backtrace"
		3307	if $make_core;
		3308	}
		3309
2336	sub reload() {	3310	sub do_reload_perl() {
2337	# can/must only be called in main	3311	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3313	warn "can only reload from main coroutine";
2340	return;	3314	return;
2341	}	3315	}
2342		3316
2343	warn "reloading...";	3317	warn "reloading...";
2344		3318
2345	my $guard = freeze_mainloop;	3319	warn "entering sync_job";
		3320
		3321	cf::sync_job {
		3322	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3323	cf::emergency_save;
		3324	cf::write_runtime; # external watchdog should not bark
2347		3325
2348	eval {	3326	warn "syncing database to disk";
		3327	BDB::db_env_txn_checkpoint $DB_ENV;
		3328
2349	# if anything goes wrong in here, we should simply crash as we already saved	3329	# if anything goes wrong in here, we should simply crash as we already saved
2350		3330
2351	# cancel all watchers	3331	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	3332	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3333	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	3334	}
2355		3335
		3336	warn "flushing outstanding aio requests";
		3337	for (;;) {
		3338	BDB::flush;
		3339	IO::AIO::flush;
		3340	Coro::cede;
		3341	last unless IO::AIO::nreqs || BDB::nreqs;
		3342	warn "iterate...";
		3343	}
		3344
		3345	++$RELOAD;
		3346
2356	# cancel all extension coros	3347	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3348	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3349	%EXT_CORO = ();
2359		3350
2360	# unload all extensions	3351	warn "removing commands";
2361	for (@exts) {	3352	%COMMAND = ();
		3353
		3354	warn "removing ext/exti commands";
		3355	%EXTCMD = ();
		3356	%EXTICMD = ();
		3357
		3358	warn "unloading/nuking all extensions";
		3359	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3360	warn "... unloading $pkg";
2363	unload_extension $_;	3361
		3362	if (my $cb = $pkg->can ("unload")) {
		3363	eval {
		3364	$cb->($pkg);
		3365	1
		3366	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3367	}
2365		3368
		3369	warn "... nuking $pkg";
		3370	Symbol::delete_package $pkg;
		3371	}
		3372
2366	# unload all modules loaded from $LIBDIR	3373	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3374	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3375	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3376
2370	warn "removing <$k>";	3377	warn "... unloading $k";
2371	delete $INC{$k};	3378	delete $INC{$k};
2372		3379
2373	$k =~ s/\.pm$//;	3380	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3381	$k =~ s/\//::/g;
2375		3382
…		…
2378	}	3385	}
2379		3386
2380	Symbol::delete_package $k;	3387	Symbol::delete_package $k;
2381	}	3388	}
2382		3389
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3390	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3393
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3394	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2396		3397
2397	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3399	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2400		3401
2401	# reload cf.pm	3402	warn "unload completed, starting to reload now";
		3403
2402	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2403	require cf;	3405	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3407
2406	# load config and database again	3408	warn "loading config and database again";
2407	cf::cfg_load;	3409	cf::reload_config;
2408	cf::db_load;
2409		3410
2410	# load extensions
2411	warn "load extensions";	3411	warn "loading extensions";
2412	cf::load_extensions;	3412	cf::load_extensions;
2413		3413
2414	# reattach attachments to objects	3414	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3415	_global_reattach; # objects, sockets
2416	_global_reattach;	3416	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2418	};	3418	warn "reattaching attachments to players";
		3419	reattach $_ for values %PLAYER;
2419		3420
2420	if ($@) {	3421	warn "leaving sync_job";
		3422
		3423	1
		3424	} or do {
2421	warn $@;	3425	warn $@;
2422	warn "error while reloading, exiting.";	3426	warn "error while reloading, exiting.";
2423	exit 1;	3427	exit 1;
2424	}	3428	};
2425		3429
2426	warn "reloaded successfully";	3430	warn "reloaded";
2427	};	3431	};
2428		3432
2429	#############################################################################	3433	our $RELOAD_WATCHER; # used only during reload
2430		3434
2431	unless ($LINK_MAP) {	3435	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
2433		3438
2434	$LINK_MAP->width (41);	3439	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3440	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3441	after => 0,
		3442	data => WF_AUTOCANCEL,
2444	cb => sub {	3443	cb => sub {
2445	$_[0]->w->cancel;	3444	do_reload_perl;
2446		3445	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3446	},
2465		3447	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3448	}
2471
2472	register "<global>", __PACKAGE__;
2473		3449
2474	register_command "reload" => sub {	3450	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2476		3452
2477	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
		3457	reload_perl;
		3458	};
2481	}	3459	}
2482	};	3460	};
2483		3461
2484	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
		3463
		3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2485		3486
2486	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3488	reentrant => 0,
		3489	parked => 1,
2488	prio => 0,	3490	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3491	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3492	data => WF_AUTOCANCEL,
2491	cb => sub {	3493	cb => sub {
		3494	if ($Coro::current != $Coro::main) {
		3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3496	unless ++$bug_warning > 10;
		3497	return;
		3498	}
		3499
		3500	$NOW = $tick_start = Event::time;
		3501
2492	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2493	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2495		3506
2496	$WAIT_FOR_TICK->broadcast;	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
		3511	write_runtime
		3512	or warn "ERROR: unable to write runtime file: $!";
		3513	};
		3514	}
		3515
		3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
		3522
		3523	$NOW = Event::time;
2498		3524
2499	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3527
2502	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2504	},	3535	},
2505	);	3536	);
2506		3537
		3538	{
		3539	BDB::min_parallel 8;
2507	IO::AIO::max_poll_time $TICK * 0.2;	3540	BDB::max_poll_time $TICK * 0.1;
2508		3541	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3542	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3543	fd => BDB::poll_fileno,
2511	poll => 'r',	3544	poll => 'r',
2512	prio => 5,	3545	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
		3547	cb => \&BDB::poll_cb,
		3548	);
		3549
		3550	BDB::set_sync_prepare {
		3551	my $status;
		3552	my $current = $Coro::current;
		3553	(
		3554	sub {
		3555	$status = $!;
		3556	$current->ready; undef $current;
		3557	},
		3558	sub {
		3559	Coro::schedule while defined $current;
		3560	$! = $status;
		3561	},
		3562	)
		3563	};
		3564
		3565	unless ($DB_ENV) {
		3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3571
		3572	cf::sync_job {
		3573	eval {
		3574	BDB::db_env_open
		3575	$DB_ENV,
		3576	$BDBDIR,
		3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3579	0666;
		3580
		3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3582	};
		3583
		3584	cf::cleanup "db_env_open(db): $@" if $@;
		3585	};
		3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
2519	after => 0,	3589	after => 3,
2520	interval => 10,	3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
2521	cb => sub {	3594	cb => sub {
2522	(Coro::unblock_sub {	3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2523	write_runtime	3596	},
2524	or warn "ERROR: unable to write runtime file: $!";	3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
		3618	}
		3619
		3620	{
		3621	IO::AIO::min_parallel 8;
		3622
		3623	undef $Coro::AIO::WATCHER;
		3624	IO::AIO::max_poll_time $TICK * 0.1;
		3625	$AIO_POLL_WATCHER = Event->io (
		3626	reentrant => 0,
		3627	data => WF_AUTOCANCEL,
		3628	fd => IO::AIO::poll_fileno,
		3629	poll => 'r',
		3630	prio => 0,
		3631	cb => \&IO::AIO::poll_cb,
		3632	);
		3633	}
		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
2525	})->();	3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
2526	},	3672	}
2527	);	3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
2528		3677
2529	END { cf::emergency_save }	3678	END { cf::emergency_save }
2530		3679
2531	1	3680	1
2532		3681

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