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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.395 by root, Sat Nov 10 22:41:59 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 = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	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(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	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;
50		89
51	our %CFG;	90	our %CFG;
52		91
53	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	93	our $RUNTIME;
55		94
56	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	97	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		98
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	99	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		105
64	binmode STDOUT;	106	binmode STDOUT;
65	binmode STDERR;	107	binmode STDERR;
66		108
67	# read virtual server time, if available	109	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
72	}	114	}
73		115
74	mkdir cf::localdir;	116	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		118
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
83		122
84	#############################################################################	123	#############################################################################
85		124
86	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
87		126
…		…
94	=item $cf::RUNTIME	133	=item $cf::RUNTIME
95		134
96	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
97	every server tick.	136	every server tick.
98		137
99	=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
100		141
101	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		146
104	=item $cf::NOW	147	=item $cf::NOW
105		148
106	The time of the last (current) server tick.	149	The time of the last (current) server tick.
107		150
108	=item $cf::TICK	151	=item $cf::TICK
109		152
110	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
111		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.
		164
112	=item %cf::CFG	165	=item %cf::CFG
113		166
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	168	from wherever your confdir points to.
116		169
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		171
119	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
120	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
121	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.
122	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.
123		181
124	=back	182	=back
125		183
126	=cut	184	=cut
127		185
128	BEGIN {	186	BEGIN {
129	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	188	my $msg = join "", @_;
131	utf8::encode $msg;
132		189
133	$msg .= "\n"	190	$msg .= "\n"
134	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
135		194
136	LOG llevError, $msg;	195	LOG llevError, $msg;
137	};	196	};
138	}	197	}
139		198
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		206
147	# 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
148	# within the Safe compartment.	208	# within the Safe compartment.
149	for my $pkg (qw(	209	for my $pkg (qw(
150	cf::global cf::attachable	210	cf::global cf::attachable
…		…
158	}	218	}
159		219
160	$Event::DIED = sub {	220	$Event::DIED = sub {
161	warn "error in event callback: @_";	221	warn "error in event callback: @_";
162	};	222	};
		223
		224	#############################################################################
163		225
164	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
165		227
166	=over 4	228	=over 4
167		229
…		…
186	$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;
187	$d	249	$d
188	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
189	}	251	}
190		252
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
194		254
195	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
196		256
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
205		258
206	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
207		260
208	=cut	261	=cut
209		262
210	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
212	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
214		267
215	=item cf::lock_wait $string	268	=item cf::lock_wait $string
216		269
217	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
218		271
…		…
221	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
222	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,
223	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
224	returned.	277	returned.
225		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
226	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
227	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
228		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
229	=cut	289	=cut
230		290
231	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
232		293
233	sub lock_wait($) {	294	sub lock_wait($) {
234	my ($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#
235		301
236	# wait for lock, if any	302	# wait for lock, if any
237	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	305	Coro::schedule;
…		…
245		311
246	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
247	lock_wait $key;	313	lock_wait $key;
248		314
249	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
250		317
251	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
254	}	322	}
255	}	323	}
256		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
257	sub freeze_mainloop {	331	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
259		333
260	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
261	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
262	$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;
263	}	397	}
264		398
265	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
266		400
267	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		406
273	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
274		408
275	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
276		410
277	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Deliantra is only
279	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.
280		415
281	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
282	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
283	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
284	fast or be very important.	419	fast or be very important.
…		…
287		422
288	sub sync_job(&) {	423	sub sync_job(&) {
289	my ($job) = @_;	424	my ($job) = @_;
290		425
291	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
292	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
294		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
295	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	435	# (but this is cancel-safe)
297	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
298		437
299	my $busy = 1;	438	my $busy = 1;
300	my @res;	439	my @res;
301		440
302	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	443	@res = eval { $job->() };
304	warn $@ if $@;	444	warn $@ if $@;
305	undef $busy;	445	undef $busy;
306	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
307		447
308	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
309	Coro::cede or Event::one_event;	452	Event::one_event;
310	}	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
311		462
312	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
313	} else {	464	} else {
314	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
315		466
…		…
335	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
336		487
337	$coro	488	$coro
338	}	489	}
339		490
340	sub write_runtime {	491	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		492
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
344	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.
345		497
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		499
350	aio_fsync $fh	500	sub fork_call(&@) {
351	and return;	501	my ($cb, @args) = @_;
352		502
353	close $fh	503	# we seemingly have to make a local copy of the whole thing,
354	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
355		506
356	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
357	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
358		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
359	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 });
360	}	651	}
361		652
362	=back	653	=back
363		654
364	=cut	655	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		656
493	#############################################################################	657	#############################################################################
494		658
495	=head2 ATTACHABLE OBJECTS	659	=head2 ATTACHABLE OBJECTS
496		660
…		…
498	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")
499	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
500		664
501	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>
502	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
503	crossfire+).	667	Deliantra).
504		668
505	=over 4	669	=over 4
506		670
507	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
508		672
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	787	our @CB_MAP = ();
624		788
625	my %attachment;	789	my %attachment;
626		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
627	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
629		799
630	use sort 'stable';	800	use sort 'stable';
631		801
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
666		836
667	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		841
672	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	843	my $pkg = shift @arg;
674		844
675	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
705	}	875	}
706		876
707	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
708	} else {	878	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	880	}
711		881
712	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
713	}	883	}
714		884
…		…
716	if (ref $_[0]) {	886	if (ref $_[0]) {
717	_object_attach @_;	887	_object_attach @_;
718	} else {	888	} else {
719	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
720	}	890	}
		891	_recalc_want;
721	};	892	};
722		893
723	# all those should be optimised	894	# all those should be optimised
724	sub cf::attachable::detach {	895	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
729	reattach ($obj);	900	reattach ($obj);
730	} else {	901	} else {
731	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
732	}	903	}
		904	_recalc_want;
733	};	905	};
734		906
735	sub cf::attachable::attached {	907	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
737		909
…		…
752	";	924	";
753	die if $@;	925	die if $@;
754	}	926	}
755		927
756	our $override;	928	our $override;
757	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?
758		930
759	sub override {	931	sub override {
760	$override = 1;	932	$override = 1;
761	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
762	}	934	}
763		935
764	sub do_invoke {	936	sub do_invoke {
765	my $event = shift;	937	my $event = shift;
766	my $callbacks = shift;	938	my $callbacks = shift;
767		939
768	@invoke_results = ();	940	@INVOKE_RESULTS = ();
769		941
770	local $override;	942	local $override;
771		943
772	for (@$callbacks) {	944	for (@$callbacks) {
773	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
790		962
791	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
792		964
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		968
797	=back	969	=back
798		970
799	=cut	971	=cut
800		972
801	#############################################################################	973	#############################################################################
802	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
803		1017
804	sub reattach {	1018	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1020	my ($obj) = @_;
		1021
		1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1023
808	my $registry = $obj->registry;	1024	my $registry = $obj->registry;
809		1025
810	@$registry = ();	1026	@$registry = ();
811		1027
…		…
852	sub object_freezer_save {	1068	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
854		1070
855	sync_job {	1071	sync_job {
856	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
859		1076
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1081	close $fh;
865		1082
866	if (@$objs) {	1083	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1089	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
874	}	1091	}
875	} else {	1092	} else {
876	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
882	}	1099	}
883	} else {	1100	} else {
884	aio_unlink $filename;	1101	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
886	}	1103	}
887	}	1104	};
888	}	1105	}
889		1106
890	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
892		1109
…		…
904	or return;	1121	or return;
905		1122
906	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
908	or return;	1125	or return;
		1126
909	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
910	}	1129	}
911		1130
		1131	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
914	return ($data, $av);	1135	($data, $av)
915	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
916		1143
917	#############################################################################	1144	#############################################################################
918	# command handling &c	1145	# command handling &c
919		1146
920	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1161	}
935		1162
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1164
938	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
939		1170
940	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
941	called.	1172	called.
942		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
943	=cut	1185	=cut
944		1186
945	sub register_extcmd {	1187	sub register_extcmd {
946	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
947		1189
948	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
949	}	1197	}
950		1198
951	cf::player->attach (	1199	cf::player->attach (
952	on_command => sub {	1200	on_command => sub {
953	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1210	cf::override;
963	},	1211	},
964	on_extcmd => sub {	1212	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
966		1214
967	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1216
969	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
975	} else {	1232	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1234	}
978		1235
979	cf::override;	1236	cf::override;
980	},	1237	},
981	);	1238	);
982		1239
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
1011	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1245	next unless -r $path;
1013	eval {	1246
1014	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
1015	1	1304	}
1016	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
1017	}	1310	};
1018	}	1311	}
1019		1312
1020	#############################################################################	1313	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1314
1023	*cf::mapsupport::on_clean = sub {	1315	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1316
1036	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
1037		1318
1038	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
1039		1320
…		…
1045		1326
1046	=head3 cf::player	1327	=head3 cf::player
1047		1328
1048	=over 4	1329	=over 4
1049		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
1050	=item cf::player::find $login	1345	=item cf::player::find $login
1051		1346
1052	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1053		1348
1054	=cut	1349	=cut
1055		1350
1056	sub playerdir($) {	1351	sub playerdir($) {
1057	cf::localdir	1352	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1354	}
1063		1355
1064	sub path($) {	1356	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1358
1067	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
1068	}	1360	}
1069		1361
1070	sub find_active($) {	1362	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
1075		1367
1076	sub exists($) {	1368	sub exists($) {
1077	my ($login) = @_;	1369	my ($login) = @_;
1078		1370
1079	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
1081	}	1373	}
1082		1374
1083	sub find($) {	1375	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1377	my $login = $_[0];
1086		1378
1087	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
1088		1380
1089	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1093	}	1397	}
1094	}	1398	}
1095	}	1399	}
1096		1400
…		…
1106		1410
1107	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1109		1413
1110	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1111	Coro::cede;	1415	cf::cede_to_tick;
1112	}	1416	}
1113		1417
1114	sub new($) {	1418	sub new($) {
1115	my ($login) = @_;	1419	my ($login) = @_;
1116		1420
…		…
1122	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1123		1427
1124	$self	1428	$self
1125	}	1429	}
1126		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1127	=item $pl->quit_character	1441	=item $pl->quit_character
1128		1442
1129	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1131		1445
1132	=cut	1446	=cut
1133		1447
1134	sub quit_character {	1448	sub quit_character {
1135	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1136		1452
1137	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1455
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1150	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1151	}	1487	}
1152		1488
1153	=item cf::player::list_logins	1489	=item cf::player::list_logins
1154		1490
1155	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1157		1493
1158	=cut	1494	=cut
1159		1495
1160	sub list_logins {	1496	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1498	or return [];
1163		1499
1164	my @logins;	1500	my @logins;
1165		1501
1166	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1170		1511
1171	utf8::decode $login;	1512	utf8::decode $login;
1172	push @logins, $login;	1513	push @logins, $login;
1173	}	1514	}
1174		1515
1175	\@logins	1516	\@logins
1176	}	1517	}
1177		1518
1178	=item $player->maps	1519	=item $player->maps
1179		1520
1180	Returns an arrayref of cf::path's of all maps that are private for this	1521	Returns an arrayref of map paths that are private for this
1181	player. May block.	1522	player. May block.
1182		1523
1183	=cut	1524	=cut
1184		1525
1185	sub maps($) {	1526	sub maps($) {
1186	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1530
1188	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1189	or return;	1532	or return;
1190		1533
1191	my @paths;	1534	my @paths;
…		…
1193	for (@$files) {	1536	for (@$files) {
1194	utf8::decode $_;	1537	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1197		1540
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1541	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1542	}
1200		1543
1201	\@paths	1544	\@paths
1202	}	1545	}
1203		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1205		1641
1206	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1207		1643
1208	=cut	1644	=cut
1209		1645
1210	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1212		1648
1213	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1650	}
1217		1651
1218	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1219		1692
1220	=back	1693	=back
1221
1222		1694
1223	=head3 cf::map	1695	=head3 cf::map
1224		1696
1225	=over 4	1697	=over 4
1226		1698
…		…
1229	package cf::map;	1701	package cf::map;
1230		1702
1231	use Fcntl;	1703	use Fcntl;
1232	use Coro::AIO;	1704	use Coro::AIO;
1233		1705
		1706	use overload
		1707	'""' => \&as_string,
		1708	fallback => 1;
		1709
1234	our $MAX_RESET = 3600;	1710	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1711	our $DEFAULT_RESET = 3000;
1236		1712
1237	sub generate_random_map {	1713	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1714	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1715	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1716	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1720	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1721	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1724	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1725	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1727	(cf::region::find $rmp->{region}), $rmp->{custom}
		1728	)
		1729	}
		1730
		1731	=item cf::map->register ($regex, $prio)
		1732
		1733	Register a handler for the map path matching the given regex at the
		1734	givne priority (higher is better, built-in handlers have priority 0, the
		1735	default).
		1736
		1737	=cut
		1738
		1739	sub register {
		1740	my (undef, $regex, $prio) = @_;
		1741	my $pkg = caller;
		1742
		1743	no strict;
		1744	push @{"$pkg\::ISA"}, __PACKAGE__;
		1745
		1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1747	}
		1748
		1749	# also paths starting with '/'
		1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1751
		1752	sub thawer_merge {
		1753	my ($self, $merge) = @_;
		1754
		1755	# we have to keep some variables in memory intact
		1756	local $self->{path};
		1757	local $self->{load_path};
		1758
		1759	$self->SUPER::thawer_merge ($merge);
		1760	}
		1761
		1762	sub normalise {
		1763	my ($path, $base) = @_;
		1764
		1765	$path = "$path"; # make sure its a string
		1766
		1767	$path =~ s/\.map$//;
		1768
		1769	# map plan:
		1770	#
		1771	# /! non-realised random map exit (special hack!)
		1772	# {... are special paths that are not being touched
		1773	# ?xxx/... are special absolute paths
		1774	# ?random/... random maps
		1775	# /... normal maps
		1776	# ~user/... per-player map of a specific user
		1777
		1778	$path =~ s/$PATH_SEP/\//go;
		1779
		1780	# treat it as relative path if it starts with
		1781	# something that looks reasonable
		1782	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1783	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1784
		1785	$base =~ s{[^/]+/?$}{};
		1786	$path = "$base/$path";
		1787	}
		1788
		1789	for ($path) {
		1790	redo if s{//}{/};
		1791	redo if s{/\.?/}{/};
		1792	redo if s{/[^/]+/\.\./}{/};
		1793	}
		1794
		1795	$path
		1796	}
		1797
		1798	sub new_from_path {
		1799	my (undef, $path, $base) = @_;
		1800
		1801	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1802
		1803	$path = normalise $path, $base;
		1804
		1805	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1806	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1807	my $self = bless cf::map::new, $pkg;
		1808	$self->{path} = $path; $self->path ($path);
		1809	$self->init; # pass $1 etc.
		1810	return $self;
		1811	}
		1812	}
		1813
		1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1815	()
		1816	}
		1817
		1818	sub init {
		1819	my ($self) = @_;
		1820
		1821	$self
		1822	}
		1823
		1824	sub as_string {
		1825	my ($self) = @_;
		1826
		1827	"$self->{path}"
		1828	}
		1829
		1830	# the displayed name, this is a one way mapping
		1831	sub visible_name {
		1832	&as_string
		1833	}
		1834
		1835	# the original (read-only) location
		1836	sub load_path {
		1837	my ($self) = @_;
		1838
		1839	"$MAPDIR/$self->{path}.map"
		1840	}
		1841
		1842	# the temporary/swap location
		1843	sub save_path {
		1844	my ($self) = @_;
		1845
		1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1847	"$TMPDIR/$path.map"
		1848	}
		1849
		1850	# the unique path, undef == no special unique path
		1851	sub uniq_path {
		1852	my ($self) = @_;
		1853
		1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1855	"$UNIQUEDIR/$path"
1254	}	1856	}
1255		1857
1256	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1257	# all maps in C++...	1859	# all maps in C++...
1258	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1260		1862
1261	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1263	}	1865	}
1264		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
		1875	sub unlink_save {
		1876	my ($self) = @_;
		1877
		1878	utf8::encode (my $save = $self->save_path);
		1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1881	}
		1882
1265	sub try_load_header($) {	1883	sub load_header_from($) {
1266	my ($path) = @_;	1884	my ($self, $path) = @_;
1267		1885
1268	utf8::encode $path;	1886	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1270	or return;	1888	or return;
1271		1889
1272	my $map = cf::map::new	1890	$self->_load_header ($f)
1273	or return;	1891	or return;
1274		1892
1275	# for better error messages only, will be overwritten	1893	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1894	$f->resolve_delayed_derefs;
1277		1895
1278	$map->load_header ($path)	1896	$self->{load_path} = $path;
		1897
		1898	1
		1899	}
		1900
		1901	sub load_header_orig {
		1902	my ($self) = @_;
		1903
		1904	$self->load_header_from ($self->load_path)
		1905	}
		1906
		1907	sub load_header_temp {
		1908	my ($self) = @_;
		1909
		1910	$self->load_header_from ($self->save_path)
		1911	}
		1912
		1913	sub prepare_temp {
		1914	my ($self) = @_;
		1915
		1916	$self->last_access ((delete $self->{last_access})
		1917	|| $cf::RUNTIME); #d#
		1918	# safety
		1919	$self->{instantiate_time} = $cf::RUNTIME
		1920	if $self->{instantiate_time} > $cf::RUNTIME;
		1921	}
		1922
		1923	sub prepare_orig {
		1924	my ($self) = @_;
		1925
		1926	$self->{load_original} = 1;
		1927	$self->{instantiate_time} = $cf::RUNTIME;
		1928	$self->last_access ($cf::RUNTIME);
		1929	$self->instantiate;
		1930	}
		1931
		1932	sub load_header {
		1933	my ($self) = @_;
		1934
		1935	if ($self->load_header_temp) {
		1936	$self->prepare_temp;
		1937	} else {
		1938	$self->load_header_orig
1279	or return;	1939	or return;
		1940	$self->prepare_orig;
		1941	}
1280		1942
1281	$map->{load_path} = $path;	1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
1282		1945
1283	$map	1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
		1949	1
1284	}	1950	}
1285		1951
1286	sub find;	1952	sub find;
1287	sub find {	1953	sub find {
1288	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1289		1955
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1959	cf::lock_wait "map_find:$path";
1296		1960
1297	$cf::MAP{$key} || do {	1961	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1964
1300	# do it the slow way	1965	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1966	or return;
1319		1967
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1332		1969
1333	Coro::cede;	1970	$map->load_header
		1971	or return;
1334		1972
1335	if ($map->should_reset) {	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1974	# doing this can freeze the server in a sync job, obviously
		1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1336	$map->reset;	1978	$map->reset;
1337	undef $guard;
1338	$map = find $path	1979	return find $path;
1339	or return;
1340	}	1980	}
1341		1981
1342	$cf::MAP{$key} = $map	1982	$cf::MAP{$path} = $map
1343	}	1983	}
1344	}	1984	}
		1985
		1986	sub pre_load { }
		1987	sub post_load { }
1345		1988
1346	sub load {	1989	sub load {
1347	my ($self) = @_;	1990	my ($self) = @_;
1348		1991
		1992	local $self->{deny_reset} = 1; # loading can take a long time
		1993
1349	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1997	my $guard = cf::lock_acquire "map_data:$path";
1351		1998
		1999	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2001
1354	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1355		2003
1356	$self->alloc;	2004	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2005
		2006	$self->pre_load;
		2007	cf::cede_to_tick;
		2008
		2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1358	or return;	2012	or return;
1359		2013
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	2015	if delete $self->{load_original};
1362		2016
1363	if (my $uniq = $path->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2018	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2021	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1368	}	2025	}
1369	}	2026	}
1370		2027
1371	Coro::cede;	2028	$f->resolve_delayed_derefs;
1372		2029
		2030	cf::cede_to_tick;
1373	# now do the right thing for maps	2031	# now do the right thing for maps
1374	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2034	unless $self->difficulty;
		2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1386	$self->activate;	2044	$self->activate;
1387	}	2045	}
1388		2046
1389	Coro::cede;	2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
1390		2049
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2050	$self->in_memory (cf::MAP_IN_MEMORY);
		2051	}
		2052
		2053	$self->post_load;
		2054	}
		2055
		2056	sub customise_for {
		2057	my ($self, $ob) = @_;
		2058
		2059	return find "~" . $ob->name . "/" . $self->{path}
		2060	if $self->per_player;
		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
		2065	$self
1392	}	2066	}
1393		2067
1394	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2069	sub load_neighbours {
1396	my ($map) = @_;	2070	my ($map) = @_;
1397		2071
1398	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1399		2073
1400	for (0 .. 3) {	2074	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1402	or next;	2076	or next;
1403	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1404	or next;	2078	or next;
1405	$neigh->load;	2079	$neigh->load;
1406		2080
		2081	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2084	}
1410		2085
1411	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1413	or next;	2089	or next;
1414	$neigh->load;	2090	$neigh->load;
1415	}	2091	}
1416	}	2092	}
1417		2093
…		…
1422	}	2098	}
1423		2099
1424	sub do_load_sync {	2100	sub do_load_sync {
1425	my ($map) = @_;	2101	my ($map) = @_;
1426		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1427	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1428	}	2107	}
1429		2108
1430	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
		2110	our $MAP_PREFETCHER = undef;
		2111
		2112	sub find_async {
		2113	my ($path, $origin, $load) = @_;
		2114
		2115	$path = normalise $path, $origin && $origin->{path};
		2116
		2117	if (my $map = $cf::MAP{$path}) {
		2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2119	}
		2120
		2121	$MAP_PREFETCH{$path} |= $load;
		2122
1431	our $MAP_PREFETCHER = Coro::async {	2123	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2124	$Coro::current->{desc} = "map prefetcher";
		2125
1433	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2128	if (my $map = find $k) {
		2129	$map->load if $v;
		2130	}
		2131
1436	my $path = delete $MAP_PREFETCH{$key};	2132	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2133	}
1442	Coro::schedule;	2134	}
		2135	undef $MAP_PREFETCHER;
1443	}	2136	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2137	$MAP_PREFETCHER->prio (6);
1458		2138
1459	()	2139	()
1460	}	2140	}
1461		2141
1462	sub save {	2142	sub save {
1463	my ($self) = @_;	2143	my ($self) = @_;
1464		2144
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2146
1467	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1468		2148
1469	return unless $self->dirty;	2149	return unless $self->dirty;
1470		2150
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2151	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2152	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2153
1474	$self->{load_path} = $save;	2154	$self->{load_path} = $save;
1475		2155
1476	return if $self->{deny_save};	2156	return if $self->{deny_save};
1477		2157
1478	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1479		2159
1480	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1482	};	2163	};
1483		2164
1484	if ($uniq) {	2165	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2168	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2170	}
1490	}	2171	}
1491		2172
1492	sub swap_out {	2173	sub swap_out {
1493	my ($self) = @_;	2174	my ($self) = @_;
1494		2175
1495	# save first because save cedes	2176	# save first because save cedes
1496	$self->save;	2177	$self->save;
1497		2178
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2180
1500	return if $self->players;	2181	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2183	return if $self->{deny_save};
1503		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2189	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2190	}
1507		2191
1508	sub reset_at {	2192	sub reset_at {
1509	my ($self) = @_;	2193	my ($self) = @_;
1510		2194
1511	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1514		2197
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2200
…		…
1522	my ($self) = @_;	2205	my ($self) = @_;
1523		2206
1524	$self->reset_at <= $cf::RUNTIME	2207	$self->reset_at <= $cf::RUNTIME
1525	}	2208	}
1526		2209
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2210	sub reset {
1549	my ($self) = @_;	2211	my ($self) = @_;
1550		2212
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2214
1553	return if $self->players;	2215	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2216
1556	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1557		2228
1558	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1559		2230
		2231	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2232	$_->clear_links_to ($self) for values %cf::MAP;
		2233	$self->clear;
1561		2234
1562	$self->unlink_save;	2235	$self->unlink_save;
1563	$self->destroy;	2236	$self->destroy;
1564	}	2237	}
1565		2238
1566	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1567		2240
1568	sub nuke {	2241	sub nuke {
1569	my ($self) = @_;	2242	my ($self) = @_;
1570		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
		2247	delete $cf::MAP{$self->path};
		2248
		2249	$self->unlink_save;
		2250
		2251	bless $self, "cf::map";
		2252	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2256
		2257	$cf::MAP{$self->path} = $self;
		2258	}
		2259
1574	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
1575	}	2261	}
1576		2262
1577	sub customise_for {	2263	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2264
1580	if ($map->per_player) {	2265	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
1582	}	2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
1583		2280
1584	$map	2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1585	}	2297	}
1586		2298
1587	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1588		2300
1589	Returns an arrayref of cf::path's of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2302	instantiated unique items. May block.
1591		2303
1592	=cut	2304	=cut
1593		2305
1594	sub unique_maps() {	2306	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1596	or return;	2308	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2309	utf8::decode $_;
1602	next if /\.pst$/;	2310	/\.map$/
1603	next unless /^$PATH_SEP/o;	2311	? normalise $_
1604		2312	: ()
1605	push @paths, new cf::path $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2314	]
1607
1608	\@paths
1609	}	2315	}
1610		2316
1611	package cf;	2317	package cf;
1612		2318
1613	=back	2319	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1632	}	2338	}
1633		2339
1634	sub inv_recursive {	2340	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1636	}	2370	}
1637		2371
1638	package cf;	2372	package cf;
1639		2373
1640	=back	2374	=back
…		…
1659		2393
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2395
1662	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1664	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1667	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1668	}	2421	}
1669		2422
1670	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1671		2424
1672	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1685		2438
1686	=item $player_object->enter_link	2439	=item $player_object->enter_link
1687		2440
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2441	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2442
1690	The player should be reaosnably safe there for short amounts of time. You	2443	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2444	I<MUST> call C<leave_link> as soon as possible, though.
1692		2445
		2446	Will never block.
		2447
1693	=item $player_object->leave_link ($map, $x, $y)	2448	=item $player_object->leave_link ($map, $x, $y)
1694		2449
1695	Moves the player out of the specila link map onto the given map. If the	2450	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2451	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2452	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2453	fails, to the emergency map position.
1699		2454
1700	Might block.	2455	Might block.
1701		2456
1702	=cut	2457	=cut
		2458
		2459	sub link_map {
		2460	unless ($LINK_MAP) {
		2461	$LINK_MAP = cf::map::find "{link}"
		2462	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2463	$LINK_MAP->load;
		2464	}
		2465
		2466	$LINK_MAP
		2467	}
1703		2468
1704	sub cf::object::player::enter_link {	2469	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2470	my ($self) = @_;
1706		2471
1707	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1708		2473
1709	return if $self->map == $LINK_MAP;	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2475
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1713		2478
1714	$self->enter_map ($LINK_MAP, 20, 20);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2480	}
1716		2481
1717	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1719		2486
1720	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1721		2488
1722	unless ($map) {	2489	unless ($map) {
1723	# restore original map position	2490	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1740		2507
1741	$map->load;	2508	$map->load;
1742	$map->load_diag;	2509	$map->load_neighbours;
1743		2510
1744	return unless $self->contr->active;	2511	return unless $self->contr->active;
1745	$self->activate_recursive;	2512	$self->activate_recursive;
		2513
		2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1747	}	2516	}
1748		2517
1749	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2519
1753	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1757	};	2524	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2525
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1784		2529
1785	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2532
1788	$path = new cf::path $path;	2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2535
1790	$self->enter_link;	2536	$self->enter_link;
1791		2537
1792	(async {	2538	(async {
1793	my $map = cf::map::find $path->as_string;	2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
		2560	my $map = eval {
		2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
1795		2565	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2566	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
1800		2569
		2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
		2576	}
		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1802	})->prio (1);	2584	})->prio (1);
1803	}	2585	}
1804		2586
1805	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1806		2588
…		…
1808		2590
1809	sub parse_random_map_params {	2591	sub parse_random_map_params {
1810	my ($spec) = @_;	2592	my ($spec) = @_;
1811		2593
1812	my $rmp = { # defaults	2594	my $rmp = { # defaults
1813	xsize => 10,	2595	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2596	ysize => (cf::rndm 15, 40),
		2597	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2598	#layout => string,
1815	};	2599	};
1816		2600
1817	for (split /\n/, $spec) {	2601	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2602	my ($k, $v) = split /\s+/, $_, 2;
1819		2603
…		…
1823	$rmp	2607	$rmp
1824	}	2608	}
1825		2609
1826	sub prepare_random_map {	2610	sub prepare_random_map {
1827	my ($exit) = @_;	2611	my ($exit) = @_;
		2612
		2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2614
1829	# all this does is basically replace the /! path by	2615	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2616	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2617	# that depends on the exit object
1832		2618
1833	my $rmp = parse_random_map_params $exit->msg;	2619	my $rmp = parse_random_map_params $exit->msg;
1834		2620
1835	if ($exit->map) {	2621	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2622	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2623	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2624	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2625	$rmp->{origin_y} = $exit->y;
1840	}	2626	}
1841		2627
1842	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1843		2629
1844	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
		2632	my $meta = "$RANDOMDIR/$md5.meta";
1846		2633
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
		2636	undef $fh;
		2637	aio_rename "$meta~", $meta;
1849		2638
1850	$exit->slaying ("?random/$md5");	2639	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2640	$exit->msg (undef);
1852	}	2641	}
1853	}	2642	}
…		…
1855	sub cf::object::player::enter_exit {	2644	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2645	my ($self, $exit) = @_;
1857		2646
1858	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1859		2648
		2649	if ($exit->slaying eq "/!") {
		2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
		2653	cf::sync_job { prepare_random_map $exit };
		2654	}
		2655
		2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2657	my $hp = $exit->stats->hp;
		2658	my $sp = $exit->stats->sp;
		2659
1860	$self->enter_link;	2660	$self->enter_link;
1861		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1862	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1863	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2670	unless (eval {
1865	prepare_random_map $exit	2671	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2672
1871	1;	2673	1;
1872	}) {	2674	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2679
1878	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2681	$self->leave_link;
1880	}	2682	}
1881	})->prio (1);	2683	})->prio (1);
…		…
1894		2696
1895	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1897		2699
1898	utf8::encode $text;	2700	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2702	}
1901		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
1902		2862
1903	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
1904		2864
1905	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2868
1909	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2870	become reliable at some point in the future.
1911		2871
1912	=cut	2872	=cut
1913		2873
1914	sub cf::client::query {	2874	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2883	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2885
1926	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
1928	}	2890	}
1929		2891
1930	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
1931	on_reply => sub {	2898	on_reply => sub {
1932	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
1933		2900
1934	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
1935	# get handled first	2902	# get handled first
1936	my $queue = delete $ns->{query_queue}	2903	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2904	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2905
1939	(shift @$queue)->[1]->($msg);	2906	(shift @$queue)->[1]->($msg);
		2907	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2908
1941	push @{ $ns->{query_queue} }, @$queue;	2909	push @{ $ns->{query_queue} }, @$queue;
1942		2910
1943	if (@{ $ns->{query_queue} } == @$queue) {	2911	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2912	if (@$queue) {
…		…
1946	} else {	2914	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2916	}
1949	}	2917	}
1950	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
1951	);	2945	);
1952		2946
1953	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
1954		2948
1955	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
1998		2992
1999	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2000		2994
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2002		3000
2003	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2004		3002
2005	=pod	3003	=pod
2006		3004
2007	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2008		3006
2009	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2010	cf::object::player player	3011	cf::object::player
2011	cf::player peaceful	3012	player
2012	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2013		3019
2014	=cut	3020	=cut
2015		3021
2016	for (	3022	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2018	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2021	) {	3029	) {
2022	no strict 'refs';	3030	no strict 'refs';
…		…
2093	=back	3101	=back
2094		3102
2095	=cut	3103	=cut
2096		3104
2097	#############################################################################	3105	#############################################################################
		3106	# the server's init and main functions
2098		3107
2099	=head2 EXTENSION DATABASE SUPPORT	3108	sub load_facedata($) {
		3109	my ($path) = @_;
2100		3110
2101	Crossfire maintains a very simple database for extension use. It can	3111	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3112	# for this (global event?)
2103	excludes objects.	3113	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3114
2105	The parameter C<$family> should best start with the name of the extension	3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3116
2108	=over 4	3117	warn "loading facedata from $path\n";
2109		3118
2110	=item $hashref = cf::db_get $family	3119	my $facedata;
		3120	0 < aio_load $path, $facedata
		3121	or die "$path: $!";
2111		3122
2112	Return a hashref for use by the extension C<$family>, which can be	3123	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3124
2116	=item $value = cf::db_get $family => $key	3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3127
2118	Returns a single value from the database	3128	# patch in the exptable
2119		3129	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3130	type => FT_RSRC,
2121		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3132	};
		3133	cf::cede_to_tick;
2171		3134
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3135	{
		3136	my $faces = $facedata->{faceinfo};
2176		3137
2177	sub db_get($;$) {	3138	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	3140	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	3141	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		3144
2183	sub db_put($$;$) {	3145	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3146	}
2197	);
2198	}
2199		3147
2200	#############################################################################	3148	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
2202		3158
2203	sub cfg_load {	3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
		3223	1
		3224	}
		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
		3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
		3268	sub reload_resources {
		3269	warn "reloading resource files...\n";
		3270
		3271	reload_regions;
		3272	reload_facedata;
		3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
		3278	}
		3279
		3280	sub init {
		3281	reload_resources;
		3282	}
		3283
		3284	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3286	or return;
2206		3287
2207	local $/;	3288	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2209		3290
…		…
2223		3304
2224	sub main {	3305	sub main {
2225	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2228	async { Event::one_event };	3311	Event::one_event;
		3312	})->prio (Coro::PRIO_MAX);
2229	};	3313	};
2230		3314
2231	cfg_load;	3315	reload_config;
2232	db_load;	3316	db_init;
2233	load_extensions;	3317	load_extensions;
		3318
		3319	$TICK_WATCHER->start;
2234	Event::loop;	3320	Event::loop;
2235	}	3321	}
2236		3322
2237	#############################################################################	3323	#############################################################################
2238	# initialisation and cleanup	3324	# initialisation and cleanup
2239		3325
2240	# install some emergency cleanup handlers	3326	# install some emergency cleanup handlers
2241	BEGIN {	3327	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3328	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3329	Event->signal (
		3330	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3331	data => WF_AUTOCANCEL,
2245	signal => $signal,	3332	signal => $signal,
		3333	prio => 0,
2246	cb => sub {	3334	cb => sub {
2247	cf::cleanup "SIG$signal";	3335	cf::cleanup "SIG$signal";
2248	},	3336	},
2249	);	3337	);
2250	}	3338	}
2251	}	3339	}
2252		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2253	sub emergency_save() {	3379	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2255		3381
2256	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2257		3383
2258	cf::sync_job {	3384	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3385	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3386	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3393	$pl->save;
2267	}	3394	}
2268	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2269		3396
2270	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2272	my $map = $cf::MAP{$path} or next;	3399	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3400	$map->valid or next;
2274	$map->save;	3401	$map->save;
2275	}	3402	}
2276	warn "end emergency map save\n";	3403	warn "end emergency map save\n";
		3404
		3405	warn "begin emergency database checkpoint\n";
		3406	BDB::db_env_txn_checkpoint $DB_ENV;
		3407	warn "end emergency database checkpoint\n";
2277	};	3408	};
2278		3409
2279	warn "leave emergency perl save\n";	3410	warn "leave emergency perl save\n";
2280	}	3411	}
2281		3412
		3413	sub post_cleanup {
		3414	my ($make_core) = @_;
		3415
		3416	warn Carp::longmess "post_cleanup backtrace"
		3417	if $make_core;
		3418	}
		3419
2282	sub reload() {	3420	sub do_reload_perl() {
2283	# can/must only be called in main	3421	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3423	warn "can only reload from main coroutine";
2286	return;	3424	return;
2287	}	3425	}
2288		3426
2289	warn "reloading...";	3427	warn "reloading...";
2290		3428
2291	warn "freezing server";	3429	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3430
		3431	cf::sync_job {
		3432	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3433	cf::emergency_save;
		3434	cf::write_runtime; # external watchdog should not bark
2294		3435
2295	warn "sync database to disk";	3436	warn "syncing database to disk";
2296	cf::db_sync;	3437	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3438
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3439	# if anything goes wrong in here, we should simply crash as we already saved
2301		3440
2302	warn "cancel all watchers";	3441	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3442	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3443	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3444	}
2306		3445
		3446	warn "flushing outstanding aio requests";
		3447	for (;;) {
		3448	BDB::flush;
		3449	IO::AIO::flush;
		3450	Coro::cede_notself;
		3451	last unless IO::AIO::nreqs || BDB::nreqs;
		3452	warn "iterate...";
		3453	}
		3454
		3455	++$RELOAD;
		3456
2307	warn "cancel all extension coros";	3457	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3458	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3459	%EXT_CORO = ();
2310		3460
2311	warn "remove commands";	3461	warn "removing commands";
2312	%COMMAND = ();	3462	%COMMAND = ();
2313		3463
2314	warn "remove ext commands";	3464	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2316		3467
2317	warn "unload/nuke all extensions";	3468	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3470	warn "... unloading $pkg";
2320		3471
2321	if (my $cb = $pkg->can ("unload")) {	3472	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3473	eval {
2323	$cb->($pkg);	3474	$cb->($pkg);
2324	1	3475	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3476	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3477	}
2327		3478
		3479	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3480	Symbol::delete_package $pkg;
2329	}	3481	}
2330		3482
2331	warn "unload all perl modules loaded from $LIBDIR";	3483	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3484	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3486
2335	warn "removing <$k>";	3487	warn "... unloading $k";
2336	delete $INC{$k};	3488	delete $INC{$k};
2337		3489
2338	$k =~ s/\.pm$//;	3490	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3491	$k =~ s/\//::/g;
2340		3492
…		…
2343	}	3495	}
2344		3496
2345	Symbol::delete_package $k;	3497	Symbol::delete_package $k;
2346	}	3498	}
2347		3499
2348	warn "get rid of safe::, as good as possible";	3500	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3503
2352	warn "unload cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2354		3507
2355	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3509	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2358		3511
		3512	warn "unload completed, starting to reload now";
		3513
2359	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2360	require cf;	3515	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3517
2363	warn "load config and database again";	3518	warn "loading config and database again";
2364	cf::cfg_load;	3519	cf::reload_config;
2365	cf::db_load;
2366		3520
2367	warn "load extensions";	3521	warn "loading extensions";
2368	cf::load_extensions;	3522	cf::load_extensions;
2369		3523
2370	warn "reattach attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3525	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3526	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
2374	};	3528	warn "reattaching attachments to players";
		3529	reattach $_ for values %PLAYER;
2375		3530
2376	if ($@) {	3531	warn "leaving sync_job";
		3532
		3533	1
		3534	} or do {
2377	warn $@;	3535	warn $@;
2378	warn "error while reloading, exiting.";	3536	warn "error while reloading, exiting.";
2379	exit 1;	3537	exit 1;
2380	}	3538	};
2381		3539
2382	warn "reloaded";	3540	warn "reloaded";
2383	};	3541	};
2384		3542
2385	#############################################################################	3543	our $RELOAD_WATCHER; # used only during reload
2386		3544
2387	unless ($LINK_MAP) {	3545	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
2389		3548
2390	$LINK_MAP->width (41);	3549	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3550	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3551	after => 0,
		3552	data => WF_AUTOCANCEL,
2400	cb => sub {	3553	cb => sub {
2401	$_[0]->w->cancel;	3554	do_reload_perl;
2402		3555	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3556	},
2421		3557	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3558	}
2427		3559
2428	register_command "reload" => sub {	3560	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2430		3562
2431	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
		3567	reload_perl;
		3568	};
2435	}	3569	}
2436	};	3570	};
2437		3571
2438	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
		3573
		3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2439		3596
2440	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3598	reentrant => 0,
		3599	parked => 1,
2442	prio => 0,	3600	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3601	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3602	data => WF_AUTOCANCEL,
2445	cb => sub {	3603	cb => sub {
		3604	if ($Coro::current != $Coro::main) {
		3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3606	unless ++$bug_warning > 10;
		3607	return;
		3608	}
		3609
		3610	$NOW = $tick_start = Event::time;
		3611
2446	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2447	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2449		3616
2450	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
		3621	write_runtime
		3622	or warn "ERROR: unable to write runtime file: $!";
		3623	};
		3624	}
		3625
		3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$NOW = Event::time;
2452		3634
2453	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3637
2456	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2458	},	3645	},
2459	);	3646	);
2460		3647
		3648	{
		3649	BDB::min_parallel 8;
2461	IO::AIO::max_poll_time $TICK * 0.2;	3650	BDB::max_poll_time $TICK * 0.1;
2462		3651	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3652	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3653	fd => BDB::poll_fileno,
2465	poll => 'r',	3654	poll => 'r',
2466	prio => 5,	3655	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
		3657	cb => \&BDB::poll_cb,
		3658	);
		3659
		3660	BDB::set_sync_prepare {
		3661	my $status;
		3662	my $current = $Coro::current;
		3663	(
		3664	sub {
		3665	$status = $!;
		3666	$current->ready; undef $current;
		3667	},
		3668	sub {
		3669	Coro::schedule while defined $current;
		3670	$! = $status;
		3671	},
		3672	)
		3673	};
		3674
		3675	unless ($DB_ENV) {
		3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3681
		3682	cf::sync_job {
		3683	eval {
		3684	BDB::db_env_open
		3685	$DB_ENV,
		3686	$BDBDIR,
		3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3689	0666;
		3690
		3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3692	};
		3693
		3694	cf::cleanup "db_env_open(db): $@" if $@;
		3695	};
		3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
2473	after => 0,	3699	after => 3,
2474	interval => 10,	3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
2475	cb => sub {	3704	cb => sub {
2476	(Coro::unblock_sub {	3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2477	write_runtime	3706	},
2478	or warn "ERROR: unable to write runtime file: $!";	3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
		3728	}
		3729
		3730	{
		3731	IO::AIO::min_parallel 8;
		3732
		3733	undef $Coro::AIO::WATCHER;
		3734	IO::AIO::max_poll_time $TICK * 0.1;
		3735	$AIO_POLL_WATCHER = Event->io (
		3736	reentrant => 0,
		3737	data => WF_AUTOCANCEL,
		3738	fd => IO::AIO::poll_fileno,
		3739	poll => 'r',
		3740	prio => 0,
		3741	cb => \&IO::AIO::poll_cb,
		3742	);
		3743	}
		3744
		3745	my $_log_backtrace;
		3746
		3747	sub _log_backtrace {
		3748	my ($msg, @addr) = @_;
		3749
		3750	$msg =~ s/\n//;
		3751
		3752	# limit the # of concurrent backtraces
		3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
2479	})->();	3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
2480	},	3782	}
2481	);	3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
2482		3787
2483	END { cf::emergency_save }	3788	END { cf::emergency_save }
2484		3789
2485	1	3790	1
2486		3791

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