ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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, 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) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
311	Coro::cede or Event::one_event;	452	Event::one_event;
312	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
313		462
314	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
315	} else {	464	} else {
316	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
317		466
…		…
319	}	468	}
320	}	469	}
321		470
322	=item $coro = cf::async_ext { BLOCK }	471	=item $coro = cf::async_ext { BLOCK }
323		472
324	Like async, but this coro is automcatially being canceled when the	473	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	474	extension calling this is being unloaded.
326		475
327	=cut	476	=cut
328		477
329	sub async_ext(&) {	478	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
338		487
339	$coro	488	$coro
340	}	489	}
341		490
342	sub write_runtime {	491	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		492
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
346	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
347		497
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		499
352	aio_fsync $fh	500	sub fork_call(&@) {
353	and return;	501	my ($cb, @args) = @_;
354		502
355	close $fh	503	# we seemingly have to make a local copy of the whole thing,
356	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
357		506
358	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
359	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
360		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
361	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	651	}
363		652
364	=back	653	=back
365		654
366	=cut	655	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		656
490	#############################################################################	657	#############################################################################
491		658
492	=head2 ATTACHABLE OBJECTS	659	=head2 ATTACHABLE OBJECTS
493		660
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
497		664
498	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	667	Crossfire TRT).
501		668
502	=over 4	669	=over 4
503		670
504	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
505		672
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	787	our @CB_MAP = ();
621		788
622	my %attachment;	789	my %attachment;
623		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
624	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
626		799
627	use sort 'stable';	800	use sort 'stable';
628		801
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
663		836
664	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		841
669	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	843	my $pkg = shift @arg;
671		844
672	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
702	}	875	}
703		876
704	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
705	} else {	878	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	880	}
708		881
709	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
710	}	883	}
711		884
…		…
713	if (ref $_[0]) {	886	if (ref $_[0]) {
714	_object_attach @_;	887	_object_attach @_;
715	} else {	888	} else {
716	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
717	}	890	}
		891	_recalc_want;
718	};	892	};
719		893
720	# all those should be optimised	894	# all those should be optimised
721	sub cf::attachable::detach {	895	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
726	reattach ($obj);	900	reattach ($obj);
727	} else {	901	} else {
728	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
729	}	903	}
		904	_recalc_want;
730	};	905	};
731		906
732	sub cf::attachable::attached {	907	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
734		909
…		…
749	";	924	";
750	die if $@;	925	die if $@;
751	}	926	}
752		927
753	our $override;	928	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		930
756	sub override {	931	sub override {
757	$override = 1;	932	$override = 1;
758	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
759	}	934	}
760		935
761	sub do_invoke {	936	sub do_invoke {
762	my $event = shift;	937	my $event = shift;
763	my $callbacks = shift;	938	my $callbacks = shift;
764		939
765	@invoke_results = ();	940	@INVOKE_RESULTS = ();
766		941
767	local $override;	942	local $override;
768		943
769	for (@$callbacks) {	944	for (@$callbacks) {
770	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
787		962
788	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
789		964
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		968
794	=back	969	=back
795		970
796	=cut	971	=cut
797		972
798	#############################################################################	973	#############################################################################
799	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
800		1017
801	sub reattach {	1018	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1020	my ($obj) = @_;
		1021
		1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1023
805	my $registry = $obj->registry;	1024	my $registry = $obj->registry;
806		1025
807	@$registry = ();	1026	@$registry = ();
808		1027
…		…
849	sub object_freezer_save {	1068	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
851		1070
852	sync_job {	1071	sync_job {
853	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
856		1076
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1081	close $fh;
862		1082
863	if (@$objs) {	1083	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1089	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
871	}	1091	}
872	} else {	1092	} else {
873	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
879	}	1099	}
880	} else {	1100	} else {
881	aio_unlink $filename;	1101	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
883	}	1103	}
884	}	1104	};
885	}	1105	}
886		1106
887	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
889		1109
…		…
901	or return;	1121	or return;
902		1122
903	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
905	or return;	1125	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };
907	}
908		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
911	return ($data, $av);	1136	($data, $av)
912	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
913		1144
914	#############################################################################	1145	#############################################################################
915	# command handling &c	1146	# command handling &c
916		1147
917	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1162	}
932		1163
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1165
935	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
936		1171
937	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
938	called.	1173	called.
939		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
940	=cut	1186	=cut
941		1187
942	sub register_extcmd {	1188	sub register_extcmd {
943	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
944		1190
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
949	}	1198	}
950		1199
951	cf::player->attach (	1200	cf::player->attach (
952	on_command => sub {	1201	on_command => sub {
953	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1211	cf::override;
963	},	1212	},
964	on_extcmd => sub {	1213	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
966		1215
967	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1217
969	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
975	} else {	1233	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1235	}
978		1236
979	cf::override;	1237	cf::override;
980	},	1238	},
981	);	1239	);
982		1240
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
1060	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1246	next unless -r $path;
1062	eval {	1247
1063	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
1064	1	1305	}
1065	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
1066	}	1311	};
1067	}	1312	}
1068		1313
1069	#############################################################################	1314	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1315
1072	*cf::mapsupport::on_clean = sub {	1316	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1317
1085	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
1086		1319
1087	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
1088		1321
…		…
1094		1327
1095	=head3 cf::player	1328	=head3 cf::player
1096		1329
1097	=over 4	1330	=over 4
1098		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
1099	=item cf::player::find $login	1346	=item cf::player::find $login
1100		1347
1101	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
1102		1349
1103	=cut	1350	=cut
1104		1351
1105	sub playerdir($) {	1352	sub playerdir($) {
1106	cf::localdir	1353	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1355	}
1112		1356
1113	sub path($) {	1357	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1359
1116	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
1117	}	1361	}
1118		1362
1119	sub find_active($) {	1363	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
1124		1368
1125	sub exists($) {	1369	sub exists($) {
1126	my ($login) = @_;	1370	my ($login) = @_;
1127		1371
1128	$cf::PLAYER{$login}	1372	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1373	or cf::sync_job { !aio_stat path $login }
1130	}	1374	}
1131		1375
1132	sub find($) {	1376	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1377	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1378	my $login = $_[0];
1135		1379
1136	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
1137		1381
1138	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1142	}	1398	}
1143	}	1399	}
1144	}	1400	}
1145		1401
…		…
1155		1411
1156	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1158		1414
1159	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1160	Coro::cede;	1416	cf::cede_to_tick;
1161	}	1417	}
1162		1418
1163	sub new($) {	1419	sub new($) {
1164	my ($login) = @_;	1420	my ($login) = @_;
1165		1421
…		…
1171	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1172		1428
1173	$self	1429	$self
1174	}	1430	}
1175		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1176	=item $pl->quit_character	1442	=item $pl->quit_character
1177		1443
1178	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1180		1446
1181	=cut	1447	=cut
1182		1448
1183	sub quit_character {	1449	sub quit_character {
1184	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1185		1453
1186	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1456
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1199	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1200	}	1488	}
1201		1489
1202	=item cf::player::list_logins	1490	=item cf::player::list_logins
1203		1491
1204	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1206		1494
1207	=cut	1495	=cut
1208		1496
1209	sub list_logins {	1497	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1499	or return [];
1212		1500
1213	my @logins;	1501	my @logins;
1214		1502
1215	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1219		1512
1220	utf8::decode $login;	1513	utf8::decode $login;
1221	push @logins, $login;	1514	push @logins, $login;
1222	}	1515	}
1223		1516
1224	\@logins	1517	\@logins
1225	}	1518	}
1226		1519
1227	=item $player->maps	1520	=item $player->maps
1228		1521
1229	Returns an arrayref of cf::path's of all maps that are private for this	1522	Returns an arrayref of map paths that are private for this
1230	player. May block.	1523	player. May block.
1231		1524
1232	=cut	1525	=cut
1233		1526
1234	sub maps($) {	1527	sub maps($) {
1235	my ($pl) = @_;	1528	my ($pl) = @_;
		1529
		1530	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1531
1237	my $files = aio_readdir playerdir $pl	1532	my $files = aio_readdir playerdir $pl
1238	or return;	1533	or return;
1239		1534
1240	my @paths;	1535	my @paths;
1241		1536
1242	for (@$files) {	1537	for (@$files) {
1243	utf8::decode $_;	1538	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1539	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1540	next unless /^$PATH_SEP/o;
1246		1541
1247	s/$PATH_SEP/\//g;	1542	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1543	}
1250		1544
1251	\@paths	1545	\@paths
1252	}	1546	}
1253		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1255		1600
1256	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1257		1602
1258	=cut	1603	=cut
1259		1604
1260	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1262		1607
1263	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1609	}
1267		1610
1268	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1269		1651
1270	=back	1652	=back
1271
1272		1653
1273	=head3 cf::map	1654	=head3 cf::map
1274		1655
1275	=over 4	1656	=over 4
1276		1657
…		…
1279	package cf::map;	1660	package cf::map;
1280		1661
1281	use Fcntl;	1662	use Fcntl;
1282	use Coro::AIO;	1663	use Coro::AIO;
1283		1664
		1665	use overload
		1666	'""' => \&as_string,
		1667	fallback => 1;
		1668
1284	our $MAX_RESET = 3600;	1669	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1670	our $DEFAULT_RESET = 3000;
1286		1671
1287	sub generate_random_map {	1672	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1673	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1674	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1675	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1679	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1680	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1681	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1682	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1683	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1684	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1686	(cf::region::find $rmp->{region}), $rmp->{custom}
		1687	)
		1688	}
		1689
		1690	=item cf::map->register ($regex, $prio)
		1691
		1692	Register a handler for the map path matching the given regex at the
		1693	givne priority (higher is better, built-in handlers have priority 0, the
		1694	default).
		1695
		1696	=cut
		1697
		1698	sub register {
		1699	my (undef, $regex, $prio) = @_;
		1700	my $pkg = caller;
		1701
		1702	no strict;
		1703	push @{"$pkg\::ISA"}, __PACKAGE__;
		1704
		1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1706	}
		1707
		1708	# also paths starting with '/'
		1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1710
		1711	sub thawer_merge {
		1712	my ($self, $merge) = @_;
		1713
		1714	# we have to keep some variables in memory intact
		1715	local $self->{path};
		1716	local $self->{load_path};
		1717
		1718	$self->SUPER::thawer_merge ($merge);
		1719	}
		1720
		1721	sub normalise {
		1722	my ($path, $base) = @_;
		1723
		1724	$path = "$path"; # make sure its a string
		1725
		1726	$path =~ s/\.map$//;
		1727
		1728	# map plan:
		1729	#
		1730	# /! non-realised random map exit (special hack!)
		1731	# {... are special paths that are not being touched
		1732	# ?xxx/... are special absolute paths
		1733	# ?random/... random maps
		1734	# /... normal maps
		1735	# ~user/... per-player map of a specific user
		1736
		1737	$path =~ s/$PATH_SEP/\//go;
		1738
		1739	# treat it as relative path if it starts with
		1740	# something that looks reasonable
		1741	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1742	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1743
		1744	$base =~ s{[^/]+/?$}{};
		1745	$path = "$base/$path";
		1746	}
		1747
		1748	for ($path) {
		1749	redo if s{//}{/};
		1750	redo if s{/\.?/}{/};
		1751	redo if s{/[^/]+/\.\./}{/};
		1752	}
		1753
		1754	$path
		1755	}
		1756
		1757	sub new_from_path {
		1758	my (undef, $path, $base) = @_;
		1759
		1760	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1761
		1762	$path = normalise $path, $base;
		1763
		1764	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1765	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1766	my $self = bless cf::map::new, $pkg;
		1767	$self->{path} = $path; $self->path ($path);
		1768	$self->init; # pass $1 etc.
		1769	return $self;
		1770	}
		1771	}
		1772
		1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1774	()
		1775	}
		1776
		1777	sub init {
		1778	my ($self) = @_;
		1779
		1780	$self
		1781	}
		1782
		1783	sub as_string {
		1784	my ($self) = @_;
		1785
		1786	"$self->{path}"
		1787	}
		1788
		1789	# the displayed name, this is a one way mapping
		1790	sub visible_name {
		1791	&as_string
		1792	}
		1793
		1794	# the original (read-only) location
		1795	sub load_path {
		1796	my ($self) = @_;
		1797
		1798	"$MAPDIR/$self->{path}.map"
		1799	}
		1800
		1801	# the temporary/swap location
		1802	sub save_path {
		1803	my ($self) = @_;
		1804
		1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1806	"$TMPDIR/$path.map"
		1807	}
		1808
		1809	# the unique path, undef == no special unique path
		1810	sub uniq_path {
		1811	my ($self) = @_;
		1812
		1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1814	"$UNIQUEDIR/$path"
1304	}	1815	}
1305		1816
1306	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1307	# all maps in C++...	1818	# all maps in C++...
1308	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1310		1821
1311	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1313	}	1824	}
1314		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
		1834	sub unlink_save {
		1835	my ($self) = @_;
		1836
		1837	utf8::encode (my $save = $self->save_path);
		1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1839	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1840	}
		1841
1315	sub try_load_header($) {	1842	sub load_header_from($) {
1316	my ($path) = @_;	1843	my ($self, $path) = @_;
1317		1844
1318	utf8::encode $path;	1845	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1320	or return;	1847	or return;
1321		1848
1322	my $map = cf::map::new	1849	$self->_load_header ($f)
1323	or return;	1850	or return;
1324		1851
1325	# for better error messages only, will be overwritten	1852	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1853	$f->resolve_delayed_derefs;
1327		1854
1328	$map->load_header ($path)	1855	$self->{load_path} = $path;
		1856
		1857	1
		1858	}
		1859
		1860	sub load_header_orig {
		1861	my ($self) = @_;
		1862
		1863	$self->load_header_from ($self->load_path)
		1864	}
		1865
		1866	sub load_header_temp {
		1867	my ($self) = @_;
		1868
		1869	$self->load_header_from ($self->save_path)
		1870	}
		1871
		1872	sub prepare_temp {
		1873	my ($self) = @_;
		1874
		1875	$self->last_access ((delete $self->{last_access})
		1876	|| $cf::RUNTIME); #d#
		1877	# safety
		1878	$self->{instantiate_time} = $cf::RUNTIME
		1879	if $self->{instantiate_time} > $cf::RUNTIME;
		1880	}
		1881
		1882	sub prepare_orig {
		1883	my ($self) = @_;
		1884
		1885	$self->{load_original} = 1;
		1886	$self->{instantiate_time} = $cf::RUNTIME;
		1887	$self->last_access ($cf::RUNTIME);
		1888	$self->instantiate;
		1889	}
		1890
		1891	sub load_header {
		1892	my ($self) = @_;
		1893
		1894	if ($self->load_header_temp) {
		1895	$self->prepare_temp;
		1896	} else {
		1897	$self->load_header_orig
1329	or return;	1898	or return;
		1899	$self->prepare_orig;
		1900	}
1330		1901
1331	$map->{load_path} = $path;	1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
1332		1904
1333	$map	1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
		1908	1
1334	}	1909	}
1335		1910
1336	sub find;	1911	sub find;
1337	sub find {	1912	sub find {
1338	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1339		1914
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	1918	cf::lock_wait "map_find:$path";
1346		1919
1347	$cf::MAP{$key} || do {	1920	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349		1923
1350	# do it the slow way	1924	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1925	or return;
1369		1926
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1382		1928
1383	Coro::cede;	1929	$map->load_header
		1930	or return;
1384		1931
1385	if ($map->should_reset) {	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1933	# doing this can freeze the server in a sync job, obviously
		1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1386	$map->reset;	1937	$map->reset;
1387	undef $guard;
1388	$map = find $path	1938	return find $path;
1389	or return;
1390	}	1939	}
1391		1940
1392	$cf::MAP{$key} = $map	1941	$cf::MAP{$path} = $map
1393	}	1942	}
1394	}	1943	}
		1944
		1945	sub pre_load { }
		1946	sub post_load { }
1395		1947
1396	sub load {	1948	sub load {
1397	my ($self) = @_;	1949	my ($self) = @_;
1398		1950
		1951	local $self->{deny_reset} = 1; # loading can take a long time
		1952
1399	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1956	my $guard = cf::lock_acquire "map_data:$path";
1401		1957
		1958	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		1960
1404	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1405		1962
1406	$self->alloc;	1963	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	1964
		1965	$self->pre_load;
		1966	cf::cede_to_tick;
		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1408	or return;	1971	or return;
1409		1972
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1974	if delete $self->{load_original};
1412		1975
1413	if (my $uniq = $path->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1977	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	1980	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1418	}	1984	}
1419	}	1985	}
1420		1986
1421	Coro::cede;	1987	$f->resolve_delayed_derefs;
1422		1988
		1989	cf::cede_to_tick;
1423	# now do the right thing for maps	1990	# now do the right thing for maps
1424	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1993	unless $self->difficulty;
		1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1436	$self->activate;	2003	$self->activate;
1437	}	2004	}
1438		2005
1439	Coro::cede;	2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
1440		2008
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
		2010	}
		2011
		2012	$self->post_load;
		2013	}
		2014
		2015	sub customise_for {
		2016	my ($self, $ob) = @_;
		2017
		2018	return find "~" . $ob->name . "/" . $self->{path}
		2019	if $self->per_player;
		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
		2024	$self
1442	}	2025	}
1443		2026
1444	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2028	sub load_neighbours {
1446	my ($map) = @_;	2029	my ($map) = @_;
1447		2030
1448	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1449		2032
1450	for (0 .. 3) {	2033	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1452	or next;	2035	or next;
1453	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1454	or next;	2037	or next;
1455	$neigh->load;	2038	$neigh->load;
1456		2039
		2040	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2043	}
1460		2044
1461	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1463	or next;	2048	or next;
1464	$neigh->load;	2049	$neigh->load;
1465	}	2050	}
1466	}	2051	}
1467		2052
…		…
1472	}	2057	}
1473		2058
1474	sub do_load_sync {	2059	sub do_load_sync {
1475	my ($map) = @_;	2060	my ($map) = @_;
1476		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1477	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1478	}	2066	}
1479		2067
1480	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
		2069	our $MAP_PREFETCHER = undef;
		2070
		2071	sub find_async {
		2072	my ($path, $origin, $load) = @_;
		2073
		2074	$path = normalise $path, $origin && $origin->{path};
		2075
		2076	if (my $map = $cf::MAP{$path}) {
		2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2078	}
		2079
		2080	$MAP_PREFETCH{$path} |= $load;
		2081
1481	our $MAP_PREFETCHER = Coro::async {	2082	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2083	$Coro::current->{desc} = "map prefetcher";
		2084
1483	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2087	if (my $map = find $k) {
		2088	$map->load if $v;
		2089	}
		2090
1486	my $path = delete $MAP_PREFETCH{$key};	2091	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2092	}
1492	Coro::schedule;	2093	}
		2094	undef $MAP_PREFETCHER;
1493	}	2095	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2096	$MAP_PREFETCHER->prio (6);
1508		2097
1509	()	2098	()
1510	}	2099	}
1511		2100
1512	sub save {	2101	sub save {
1513	my ($self) = @_;	2102	my ($self) = @_;
1514		2103
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2105
1517	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1518		2107
1519	return unless $self->dirty;	2108	return unless $self->dirty;
1520		2109
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2110	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2111	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2112
1524	$self->{load_path} = $save;	2113	$self->{load_path} = $save;
1525		2114
1526	return if $self->{deny_save};	2115	return if $self->{deny_save};
1527		2116
1528	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1529		2118
1530	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1532	};	2122	};
1533		2123
1534	if ($uniq) {	2124	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2127	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2129	}
1540	}	2130	}
1541		2131
1542	sub swap_out {	2132	sub swap_out {
1543	my ($self) = @_;	2133	my ($self) = @_;
1544		2134
1545	# save first because save cedes	2135	# save first because save cedes
1546	$self->save;	2136	$self->save;
1547		2137
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2139
1550	return if $self->players;	2140	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2142	return if $self->{deny_save};
1553		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2148	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2149	}
1557		2150
1558	sub reset_at {	2151	sub reset_at {
1559	my ($self) = @_;	2152	my ($self) = @_;
1560		2153
1561	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1564		2156
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2159
…		…
1572	my ($self) = @_;	2164	my ($self) = @_;
1573		2165
1574	$self->reset_at <= $cf::RUNTIME	2166	$self->reset_at <= $cf::RUNTIME
1575	}	2167	}
1576		2168
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2169	sub reset {
1599	my ($self) = @_;	2170	my ($self) = @_;
1600		2171
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2173
1603	return if $self->players;	2174	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2175
1606	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	# need to save uniques path
		2181	unless ($self->{deny_save}) {
		2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2183
		2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2185	if $uniq;
		2186	}
1607		2187
1608	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1609		2189
		2190	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2191	$_->clear_links_to ($self) for values %cf::MAP;
		2192	$self->clear;
1611		2193
1612	$self->unlink_save;	2194	$self->unlink_save;
1613	$self->destroy;	2195	$self->destroy;
1614	}	2196	}
1615		2197
1616	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1617		2199
1618	sub nuke {	2200	sub nuke {
1619	my ($self) = @_;	2201	my ($self) = @_;
1620		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
		2206	delete $cf::MAP{$self->path};
		2207
		2208	$self->unlink_save;
		2209
		2210	bless $self, "cf::map";
		2211	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2215
		2216	$cf::MAP{$self->path} = $self;
		2217	}
		2218
1624	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
1625	}	2220	}
1626		2221
1627	sub customise_for {	2222	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2223
1630	if ($map->per_player) {	2224	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
1632	}	2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
1633		2239
1634	$map	2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
		2256	}
		2257
		2258	=item cf::map::unique_maps
		2259
		2260	Returns an arrayref of paths of all shared maps that have
		2261	instantiated unique items. May block.
		2262
		2263	=cut
		2264
		2265	sub unique_maps() {
		2266	[
		2267	map {
		2268	utf8::decode $_;
		2269	/\.map$/
		2270	? normalise $_
		2271	: ()
		2272	} @{ aio_readdir $UNIQUEDIR or [] }
		2273	]
1635	}	2274	}
1636		2275
1637	package cf;	2276	package cf;
1638		2277
1639	=back	2278	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1658	}	2297	}
1659		2298
1660	sub inv_recursive {	2299	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1662	}	2329	}
1663		2330
1664	package cf;	2331	package cf;
1665		2332
1666	=back	2333	=back
…		…
1685		2352
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2354
1688	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1690	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1693	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1694	}	2380	}
1695		2381
1696	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1697		2383
1698	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1711		2397
1712	=item $player_object->enter_link	2398	=item $player_object->enter_link
1713		2399
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2400	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2401
1716	The player should be reaosnably safe there for short amounts of time. You	2402	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2403	I<MUST> call C<leave_link> as soon as possible, though.
1718		2404
		2405	Will never block.
		2406
1719	=item $player_object->leave_link ($map, $x, $y)	2407	=item $player_object->leave_link ($map, $x, $y)
1720		2408
1721	Moves the player out of the specila link map onto the given map. If the	2409	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2410	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2411	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2412	fails, to the emergency map position.
1725		2413
1726	Might block.	2414	Might block.
1727		2415
1728	=cut	2416	=cut
		2417
		2418	sub link_map {
		2419	unless ($LINK_MAP) {
		2420	$LINK_MAP = cf::map::find "{link}"
		2421	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2422	$LINK_MAP->load;
		2423	}
		2424
		2425	$LINK_MAP
		2426	}
1729		2427
1730	sub cf::object::player::enter_link {	2428	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2429	my ($self) = @_;
1732		2430
1733	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1734		2432
1735	return if $self->map == $LINK_MAP;	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2434
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1739		2437
1740	$self->enter_map ($LINK_MAP, 20, 20);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2439	}
1742		2440
1743	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1745		2445
1746	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1747		2447
1748	unless ($map) {	2448	unless ($map) {
1749	# restore original map position	2449	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1766		2466
1767	$map->load;	2467	$map->load;
1768	$map->load_diag;	2468	$map->load_neighbours;
1769		2469
1770	return unless $self->contr->active;	2470	return unless $self->contr->active;
1771	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1773	}	2475	}
1774		2476
1775	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2478
1779	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1783	};	2483	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2484
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1810		2488
1811	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2491
1814	$path = new cf::path $path;	2492	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2494
1817	$self->enter_link;	2495	$self->enter_link;
1818		2496
1819	(async {	2497	(async {
1820	my $map = cf::map::find $path->as_string;	2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
		2519	my $map = eval {
		2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
1822		2524	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2525	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
1827		2528
		2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
		2535	}
		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1829	})->prio (1);	2543	})->prio (1);
1830	}	2544	}
1831		2545
1832	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1833		2547
…		…
1835		2549
1836	sub parse_random_map_params {	2550	sub parse_random_map_params {
1837	my ($spec) = @_;	2551	my ($spec) = @_;
1838		2552
1839	my $rmp = { # defaults	2553	my $rmp = { # defaults
1840	xsize => 10,	2554	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2555	ysize => (cf::rndm 15, 40),
		2556	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2557	#layout => string,
1842	};	2558	};
1843		2559
1844	for (split /\n/, $spec) {	2560	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2561	my ($k, $v) = split /\s+/, $_, 2;
1846		2562
…		…
1850	$rmp	2566	$rmp
1851	}	2567	}
1852		2568
1853	sub prepare_random_map {	2569	sub prepare_random_map {
1854	my ($exit) = @_;	2570	my ($exit) = @_;
		2571
		2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2573
1856	# all this does is basically replace the /! path by	2574	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2575	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2576	# that depends on the exit object
1859		2577
1860	my $rmp = parse_random_map_params $exit->msg;	2578	my $rmp = parse_random_map_params $exit->msg;
1861		2579
1862	if ($exit->map) {	2580	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2581	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2582	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2583	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2584	$rmp->{origin_y} = $exit->y;
1867	}	2585	}
1868		2586
1869	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1870		2588
1871	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
		2591	my $meta = "$RANDOMDIR/$md5.meta";
1873		2592
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
		2595	undef $fh;
		2596	aio_rename "$meta~", $meta;
1876		2597
1877	$exit->slaying ("?random/$md5");	2598	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2599	$exit->msg (undef);
1879	}	2600	}
1880	}	2601	}
…		…
1882	sub cf::object::player::enter_exit {	2603	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2604	my ($self, $exit) = @_;
1884		2605
1885	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1886		2607
		2608	if ($exit->slaying eq "/!") {
		2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
		2612	cf::sync_job { prepare_random_map $exit };
		2613	}
		2614
		2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2616	my $hp = $exit->stats->hp;
		2617	my $sp = $exit->stats->sp;
		2618
1887	$self->enter_link;	2619	$self->enter_link;
1888		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1889	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1890	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2629	unless (eval {
1892	prepare_random_map $exit	2630	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2631
1898	1;	2632	1;
1899	}) {	2633	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2636	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2638
1905	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2640	$self->leave_link;
1907	}	2641	}
1908	})->prio (1);	2642	})->prio (1);
…		…
1921		2655
1922	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1924		2658
1925	utf8::encode $text;	2659	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2661	}
1928		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1929		2790
1930	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1931		2792
1932	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2796
1936	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2798	become reliable at some point in the future.
1938		2799
1939	=cut	2800	=cut
1940		2801
1941	sub cf::client::query {	2802	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2811	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2813
1953	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
1955	}	2818	}
1956		2819
1957	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
1958	on_reply => sub {	2826	on_reply => sub {
1959	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
1960		2828
1961	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
1962	# get handled first	2830	# get handled first
1963	my $queue = delete $ns->{query_queue}	2831	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2832	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2833
1966	(shift @$queue)->[1]->($msg);	2834	(shift @$queue)->[1]->($msg);
		2835	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2836
1968	push @{ $ns->{query_queue} }, @$queue;	2837	push @{ $ns->{query_queue} }, @$queue;
1969		2838
1970	if (@{ $ns->{query_queue} } == @$queue) {	2839	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2840	if (@$queue) {
…		…
1973	} else {	2842	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2844	}
1976	}	2845	}
1977	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
1978	);	2873	);
1979		2874
1980	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
1981		2876
1982	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2025		2920
2026	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2027		2922
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2029		2928
2030	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2031		2930
2032	=pod	2931	=pod
2033		2932
2034	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2035		2934
2036	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2037	cf::object::player player	2939	cf::object::player
2038	cf::player peaceful	2940	player
2039	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2040		2947
2041	=cut	2948	=cut
2042		2949
2043	for (	2950	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2045	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2048	) {	2957	) {
2049	no strict 'refs';	2958	no strict 'refs';
…		…
2120	=back	3029	=back
2121		3030
2122	=cut	3031	=cut
2123		3032
2124	#############################################################################	3033	#############################################################################
		3034	# the server's init and main functions
2125		3035
2126	=head2 EXTENSION DATABASE SUPPORT	3036	sub load_facedata($) {
		3037	my ($path) = @_;
2127		3038
2128	Crossfire maintains a very simple database for extension use. It can	3039	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3040	# for this (global event?)
2130	excludes objects.	3041	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3042
2132	The parameter C<$family> should best start with the name of the extension	3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3044
2135	=over 4	3045	warn "loading facedata from $path\n";
2136		3046
2137	=item $hashref = cf::db_get $family	3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
2138		3050
2139	Return a hashref for use by the extension C<$family>, which can be	3051	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3052
2143	=item $value = cf::db_get $family => $key	3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3055
2145	Returns a single value from the database	3056	# patch in the exptable
2146		3057	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	3058	type => FT_RSRC,
2148		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3060	};
		3061	cf::cede_to_tick;
2198		3062
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3063	{
		3064	my $faces = $facedata->{faceinfo};
2203		3065
2204	sub db_get($;$) {	3066	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}	3068	cf::face::set_visibility $idx, $info->{visibility};
2207	: ($DB->{$_[0]} ||= { })	3069	cf::face::set_magicmap $idx, $info->{magicmap};
2208	}	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209		3072
2210	sub db_put($$;$) {	3073	cf::cede_to_tick;
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3074	}
2224	);
2225	}
2226		3075
2227	#############################################################################	3076	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
2229		3086
2230	sub cfg_load {	3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3214	or return;
2233		3215
2234	local $/;	3216	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2236		3218
…		…
2250		3232
2251	sub main {	3233	sub main {
2252	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2255	async { Event::one_event };	3239	Event::one_event;
		3240	})->prio (Coro::PRIO_MAX);
2256	};	3241	};
2257		3242
2258	cfg_load;	3243	reload_config;
2259	db_load;	3244	db_init;
2260	load_extensions;	3245	load_extensions;
		3246
		3247	$TICK_WATCHER->start;
2261	Event::loop;	3248	Event::loop;
2262	}	3249	}
2263		3250
2264	#############################################################################	3251	#############################################################################
2265	# initialisation and cleanup	3252	# initialisation and cleanup
2266		3253
2267	# install some emergency cleanup handlers	3254	# install some emergency cleanup handlers
2268	BEGIN {	3255	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3256	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3257	Event->signal (
		3258	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3259	data => WF_AUTOCANCEL,
2272	signal => $signal,	3260	signal => $signal,
		3261	prio => 0,
2273	cb => sub {	3262	cb => sub {
2274	cf::cleanup "SIG$signal";	3263	cf::cleanup "SIG$signal";
2275	},	3264	},
2276	);	3265	);
2277	}	3266	}
2278	}	3267	}
2279		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2280	sub emergency_save() {	3307	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2282		3309
2283	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2284		3311
2285	cf::sync_job {	3312	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3313	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3314	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3321	$pl->save;
2294	}	3322	}
2295	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2296		3324
2297	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3327	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3328	$map->valid or next;
2301	$map->save;	3329	$map->save;
2302	}	3330	}
2303	warn "end emergency map save\n";	3331	warn "end emergency map save\n";
		3332
		3333	warn "begin emergency database checkpoint\n";
		3334	BDB::db_env_txn_checkpoint $DB_ENV;
		3335	warn "end emergency database checkpoint\n";
2304	};	3336	};
2305		3337
2306	warn "leave emergency perl save\n";	3338	warn "leave emergency perl save\n";
2307	}	3339	}
2308		3340
		3341	sub post_cleanup {
		3342	my ($make_core) = @_;
		3343
		3344	warn Carp::longmess "post_cleanup backtrace"
		3345	if $make_core;
		3346	}
		3347
2309	sub reload() {	3348	sub do_reload_perl() {
2310	# can/must only be called in main	3349	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3351	warn "can only reload from main coroutine";
2313	return;	3352	return;
2314	}	3353	}
2315		3354
2316	warn "reloading...";	3355	warn "reloading...";
2317		3356
2318	my $guard = freeze_mainloop;	3357	warn "entering sync_job";
		3358
		3359	cf::sync_job {
		3360	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3361	cf::emergency_save;
		3362	cf::write_runtime; # external watchdog should not bark
2320		3363
2321	eval {	3364	warn "syncing database to disk";
		3365	BDB::db_env_txn_checkpoint $DB_ENV;
		3366
2322	# if anything goes wrong in here, we should simply crash as we already saved	3367	# if anything goes wrong in here, we should simply crash as we already saved
2323		3368
2324	# cancel all watchers	3369	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3370	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3371	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3372	}
2328		3373
		3374	warn "flushing outstanding aio requests";
		3375	for (;;) {
		3376	BDB::flush;
		3377	IO::AIO::flush;
		3378	Coro::cede_notself;
		3379	last unless IO::AIO::nreqs || BDB::nreqs;
		3380	warn "iterate...";
		3381	}
		3382
		3383	++$RELOAD;
		3384
2329	# cancel all extension coros	3385	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3387	%EXT_CORO = ();
2332		3388
2333	# unload all extensions	3389	warn "removing commands";
2334	for (@exts) {	3390	%COMMAND = ();
		3391
		3392	warn "removing ext/exti commands";
		3393	%EXTCMD = ();
		3394	%EXTICMD = ();
		3395
		3396	warn "unloading/nuking all extensions";
		3397	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3398	warn "... unloading $pkg";
2336	unload_extension $_;	3399
		3400	if (my $cb = $pkg->can ("unload")) {
		3401	eval {
		3402	$cb->($pkg);
		3403	1
		3404	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3405	}
2338		3406
		3407	warn "... nuking $pkg";
		3408	Symbol::delete_package $pkg;
		3409	}
		3410
2339	# unload all modules loaded from $LIBDIR	3411	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3412	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3414
2343	warn "removing <$k>";	3415	warn "... unloading $k";
2344	delete $INC{$k};	3416	delete $INC{$k};
2345		3417
2346	$k =~ s/\.pm$//;	3418	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3419	$k =~ s/\//::/g;
2348		3420
…		…
2351	}	3423	}
2352		3424
2353	Symbol::delete_package $k;	3425	Symbol::delete_package $k;
2354	}	3426	}
2355		3427
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3428	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3431
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3432	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2369		3435
2370	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3437	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2373		3439
2374	# reload cf.pm	3440	warn "unload completed, starting to reload now";
		3441
2375	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2376	require cf;	3443	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3445
2379	# load config and database again	3446	warn "loading config and database again";
2380	cf::cfg_load;	3447	cf::reload_config;
2381	cf::db_load;
2382		3448
2383	# load extensions
2384	warn "load extensions";	3449	warn "loading extensions";
2385	cf::load_extensions;	3450	cf::load_extensions;
2386		3451
2387	# reattach attachments to objects	3452	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3453	_global_reattach; # objects, sockets
2389	_global_reattach;	3454	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2391	};	3456	warn "reattaching attachments to players";
		3457	reattach $_ for values %PLAYER;
2392		3458
2393	if ($@) {	3459	warn "leaving sync_job";
		3460
		3461	1
		3462	} or do {
2394	warn $@;	3463	warn $@;
2395	warn "error while reloading, exiting.";	3464	warn "error while reloading, exiting.";
2396	exit 1;	3465	exit 1;
2397	}	3466	};
2398		3467
2399	warn "reloaded successfully";	3468	warn "reloaded";
2400	};	3469	};
2401		3470
2402	#############################################################################	3471	our $RELOAD_WATCHER; # used only during reload
2403		3472
2404	unless ($LINK_MAP) {	3473	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
2406		3476
2407	$LINK_MAP->width (41);	3477	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3478	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3479	after => 0,
		3480	data => WF_AUTOCANCEL,
2417	cb => sub {	3481	cb => sub {
2418	$_[0]->w->cancel;	3482	do_reload_perl;
2419		3483	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3484	},
2438		3485	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3486	}
2444
2445	register "<global>", __PACKAGE__;
2446		3487
2447	register_command "reload" => sub {	3488	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2449		3490
2450	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
		3495	reload_perl;
		3496	};
2454	}	3497	}
2455	};	3498	};
2456		3499
2457	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
		3501
		3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2458		3524
2459	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3526	reentrant => 0,
		3527	parked => 1,
2461	prio => 0,	3528	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3530	data => WF_AUTOCANCEL,
2464	cb => sub {	3531	cb => sub {
		3532	if ($Coro::current != $Coro::main) {
		3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3534	unless ++$bug_warning > 10;
		3535	return;
		3536	}
		3537
		3538	$NOW = $tick_start = Event::time;
		3539
2465	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2466	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2468		3544
2469	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
		3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
		3552	}
		3553
		3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2471		3562
2472	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3565
2475	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2477	},	3573	},
2478	);	3574	);
2479		3575
		3576	{
		3577	BDB::min_parallel 8;
2480	IO::AIO::max_poll_time $TICK * 0.2;	3578	BDB::max_poll_time $TICK * 0.1;
2481		3579	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3580	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3581	fd => BDB::poll_fileno,
2484	poll => 'r',	3582	poll => 'r',
2485	prio => 5,	3583	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
		3585	cb => \&BDB::poll_cb,
		3586	);
		3587
		3588	BDB::set_sync_prepare {
		3589	my $status;
		3590	my $current = $Coro::current;
		3591	(
		3592	sub {
		3593	$status = $!;
		3594	$current->ready; undef $current;
		3595	},
		3596	sub {
		3597	Coro::schedule while defined $current;
		3598	$! = $status;
		3599	},
		3600	)
		3601	};
		3602
		3603	unless ($DB_ENV) {
		3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3609
		3610	cf::sync_job {
		3611	eval {
		3612	BDB::db_env_open
		3613	$DB_ENV,
		3614	$BDBDIR,
		3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3617	0666;
		3618
		3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3620	};
		3621
		3622	cf::cleanup "db_env_open(db): $@" if $@;
		3623	};
		3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
2492	after => 0,	3627	after => 3,
2493	interval => 10,	3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
2494	cb => sub {	3632	cb => sub {
2495	(Coro::unblock_sub {	3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2496	write_runtime	3634	},
2497	or warn "ERROR: unable to write runtime file: $!";	3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
		3656	}
		3657
		3658	{
		3659	IO::AIO::min_parallel 8;
		3660
		3661	undef $Coro::AIO::WATCHER;
		3662	IO::AIO::max_poll_time $TICK * 0.1;
		3663	$AIO_POLL_WATCHER = Event->io (
		3664	reentrant => 0,
		3665	data => WF_AUTOCANCEL,
		3666	fd => IO::AIO::poll_fileno,
		3667	poll => 'r',
		3668	prio => 0,
		3669	cb => \&IO::AIO::poll_cb,
		3670	);
		3671	}
		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
2498	})->();	3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2499	},	3710	}
2500	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2501		3715
2502	END { cf::emergency_save }	3716	END { cf::emergency_save }
2503		3717
2504	1	3718	1
2505		3719

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines