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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	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
124	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
125	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.
126	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.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$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;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	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.
288		415
289	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
290	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
291	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
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
303	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
306		435
307	my $busy = 1;	436	my $busy = 1;
308	my @res;	437	my @res;
309		438
310	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	441	@res = eval { $job->() };
312	warn $@ if $@;	442	warn $@ if $@;
313	undef $busy;	443	undef $busy;
314	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
315		445
316	while ($busy) {	446	while ($busy) {
317	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
318	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
319		456
320	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
321	} else {	458	} else {
322	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
323		460
…		…
343	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
344		481
345	$coro	482	$coro
346	}	483	}
347		484
348	sub write_runtime {	485	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		486
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
352	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
353		491
354	my $value = $cf::RUNTIME + 90 + 10;	492	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		493
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	sub fork_call(&@) {
359	and return;	495	my ($cb, @args) = @_;
360		496
361	aio_fsync $fh	497	# we seemingly have to make a local copy of the whole thing,
362	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
363		500
364	close $fh	501	my @res = Coro::Util::fork_eval {
365	or return;	502	reset_signals;
		503	&$cb
		504	}, @args;
366		505
367	aio_rename "$runtime~", $runtime	506	wantarray ? @res : $res[-1]
368	and return;	507	}
369		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
370	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	645	}
372		646
373	=back	647	=back
374		648
375	=cut	649	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
384		658
385	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	661	Crossfire TRT).
388		662
389	=over 4	663	=over 4
390		664
391	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
392		666
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
556		830
557	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		835
562	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	837	my $pkg = shift @arg;
564		838
565	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
595	}	869	}
596		870
597	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
598	} else {	872	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	874	}
601		875
602	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
603	}	877	}
604		878
…		…
606	if (ref $_[0]) {	880	if (ref $_[0]) {
607	_object_attach @_;	881	_object_attach @_;
608	} else {	882	} else {
609	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
610	}	884	}
		885	_recalc_want;
611	};	886	};
612		887
613	# all those should be optimised	888	# all those should be optimised
614	sub cf::attachable::detach {	889	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
619	reattach ($obj);	894	reattach ($obj);
620	} else {	895	} else {
621	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
622	}	897	}
		898	_recalc_want;
623	};	899	};
624		900
625	sub cf::attachable::attached {	901	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
627		903
…		…
642	";	918	";
643	die if $@;	919	die if $@;
644	}	920	}
645		921
646	our $override;	922	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		924
649	sub override {	925	sub override {
650	$override = 1;	926	$override = 1;
651	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
652	}	928	}
653		929
654	sub do_invoke {	930	sub do_invoke {
655	my $event = shift;	931	my $event = shift;
656	my $callbacks = shift;	932	my $callbacks = shift;
657		933
658	@invoke_results = ();	934	@INVOKE_RESULTS = ();
659		935
660	local $override;	936	local $override;
661		937
662	for (@$callbacks) {	938	for (@$callbacks) {
663	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
680		956
681	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
682		958
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		962
687	=back	963	=back
688		964
689	=cut	965	=cut
690		966
691	#############################################################################	967	#############################################################################
692	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
693		980
694	sub reattach {	981	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	983	my ($obj) = @_;
697		984
…		…
744	sub object_freezer_save {	1031	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
746		1033
747	sync_job {	1034	sync_job {
748	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
751		1039
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1044	close $fh;
757		1045
758	if (@$objs) {	1046	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1052	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
766	}	1054	}
767	} else {	1055	} else {
768	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
774	}	1062	}
775	} else {	1063	} else {
776	aio_unlink $filename;	1064	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
778	}	1066	}
779	}	1067	};
780	}	1068	}
781		1069
782	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
784		1072
…		…
796	or return;	1084	or return;
797		1085
798	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
800	or return;	1088	or return;
		1089
801	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1091	}
803		1092
		1093	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
806	return ($data, $av);	1097	($data, $av)
807	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
808		1105
809	#############################################################################	1106	#############################################################################
810	# command handling &c	1107	# command handling &c
811		1108
812	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1123	}
827		1124
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1126
830	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
831		1132
832	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
833	called.	1134	called.
834		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
835	=cut	1147	=cut
836		1148
837	sub register_extcmd {	1149	sub register_extcmd {
838	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
839		1151
840	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
841	}	1159	}
842		1160
843	cf::player->attach (	1161	cf::player->attach (
844	on_command => sub {	1162	on_command => sub {
845	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1172	cf::override;
855	},	1173	},
856	on_extcmd => sub {	1174	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
858		1176
859	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1178
861	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
867	} else {	1194	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1196	}
870		1197
871	cf::override;	1198	cf::override;
872	},	1199	},
873	);	1200	);
874		1201
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
910	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1207	next unless -r $path;
912	eval {	1208
913	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
914	1	1266	}
915	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
916	}	1272	};
917	}	1273	}
918		1274
919	#############################################################################	1275	#############################################################################
920		1276
		1277	=back
		1278
921	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
922		1280
923	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
924		1282
925	=cut	1283	=cut
…		…
930		1288
931	=head3 cf::player	1289	=head3 cf::player
932		1290
933	=over 4	1291	=over 4
934		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
935	=item cf::player::find $login	1307	=item cf::player::find $login
936		1308
937	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
938		1310
939	=cut	1311	=cut
940		1312
941	sub playerdir($) {	1313	sub playerdir($) {
942	cf::localdir	1314	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1316	}
948		1317
949	sub path($) {	1318	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1320
952	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
953	}	1322	}
954		1323
955	sub find_active($) {	1324	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1339	my $login = $_[0];
971		1340
972	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
973		1342
974	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
976	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
978	}	1359	}
979	}	1360	}
980	}	1361	}
981		1362
…		…
991		1372
992	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
994		1375
995	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
996	Coro::cede;	1377	cf::cede_to_tick;
997	}	1378	}
998		1379
999	sub new($) {	1380	sub new($) {
1000	my ($login) = @_;	1381	my ($login) = @_;
1001		1382
…		…
1007	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1008		1389
1009	$self	1390	$self
1010	}	1391	}
1011		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1012	=item $pl->quit_character	1403	=item $pl->quit_character
1013		1404
1014	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1016		1407
1017	=cut	1408	=cut
1018		1409
1019	sub quit_character {	1410	sub quit_character {
1020	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1021		1414
1022	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1417
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1035	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1036	}	1449	}
1037		1450
1038	=item cf::player::list_logins	1451	=item cf::player::list_logins
1039		1452
1040	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1042		1455
1043	=cut	1456	=cut
1044		1457
1045	sub list_logins {	1458	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1460	or return [];
1048		1461
1049	my @logins;	1462	my @logins;
1050		1463
1051	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1055		1473
1056	utf8::decode $login;	1474	utf8::decode $login;
1057	push @logins, $login;	1475	push @logins, $login;
1058	}	1476	}
1059		1477
…		…
1067		1485
1068	=cut	1486	=cut
1069		1487
1070	sub maps($) {	1488	sub maps($) {
1071	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1492
1073	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1074	or return;	1494	or return;
1075		1495
1076	my @paths;	1496	my @paths;
…		…
1078	for (@$files) {	1498	for (@$files) {
1079	utf8::decode $_;	1499	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1082		1502
1083	s/\.map$//;	1503	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1504	}
1086		1505
1087	\@paths	1506	\@paths
1088	}	1507	}
1089		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1091		1561
1092	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1093		1563
1094	=cut	1564	=cut
1095		1565
1096	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1098		1568
1099	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1570	}
1103		1571
1104	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1105		1612
1106	=back	1613	=back
1107
1108		1614
1109	=head3 cf::map	1615	=head3 cf::map
1110		1616
1111	=over 4	1617	=over 4
1112		1618
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1648	)
1143	}	1649	}
1144		1650
		1651	=item cf::map->register ($regex, $prio)
		1652
		1653	Register a handler for the map path matching the given regex at the
		1654	givne priority (higher is better, built-in handlers have priority 0, the
		1655	default).
		1656
		1657	=cut
		1658
1145	sub register {	1659	sub register {
1146	my (undef, $regex) = @_;	1660	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1661	my $pkg = caller;
1148		1662
1149	no strict;	1663	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1664	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1665
1152	$EXT_MAP{$pkg} = qr<$regex>;	1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1667	}
1154		1668
1155	# also paths starting with '/'	1669	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1671
1158	sub thawer_merge {	1672	sub thawer_merge {
1159	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1160		1674
1161	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1162	local $self->{path};	1676	local $self->{path};
1163	local $self->{load_path};	1677	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1678
1167	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1168	}	1680	}
1169		1681
1170	sub normalise {	1682	sub normalise {
1171	my ($path, $base) = @_;	1683	my ($path, $base) = @_;
		1684
		1685	$path = "$path"; # make sure its a string
		1686
		1687	$path =~ s/\.map$//;
1172		1688
1173	# map plan:	1689	# map plan:
1174	#	1690	#
1175	# /! non-realised random map exit (special hack!)	1691	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1692	# {... are special paths that are not being touched
…		…
1204		1720
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1721	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1722
1207	$path = normalise $path, $base;	1723	$path = normalise $path, $base;
1208		1724
1209	for my $pkg (keys %EXT_MAP) {	1725	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1726	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1727	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1728	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1214	return $self;	1730	return $self;
1215	}	1731	}
1216	}	1732	}
1217		1733
1218	Carp::carp "unable to resolve path '$path'.";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1735	()
1220	}	1736	}
1221		1737
1222	sub init {	1738	sub init {
1223	my ($self) = @_;	1739	my ($self) = @_;
…		…
1238		1754
1239	# the original (read-only) location	1755	# the original (read-only) location
1240	sub load_path {	1756	sub load_path {
1241	my ($self) = @_;	1757	my ($self) = @_;
1242		1758
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1244	}	1760	}
1245		1761
1246	# the temporary/swap location	1762	# the temporary/swap location
1247	sub save_path {	1763	sub save_path {
1248	my ($self) = @_;	1764	my ($self) = @_;
1249		1765
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1252	}	1768	}
1253		1769
1254	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1255	sub uniq_path {	1771	sub uniq_path {
1256	my ($self) = @_;	1772	my ($self) = @_;
1257		1773
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1260	}	1776	}
1261		1777
1262	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1263	# all maps in C++...	1779	# all maps in C++...
1264	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1266		1782
1267	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1269	}	1785	}
1270		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1271	sub unlink_save {	1795	sub unlink_save {
1272	my ($self) = @_;	1796	my ($self) = @_;
1273		1797
1274	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1802
1279	sub load_header_from($) {	1803	sub load_header_from($) {
1280	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1281		1805
1282	utf8::encode $path;	1806	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1284	or return;	1808	or return;
1285		1809
1286	$self->_load_header ($path)	1810	$self->_load_header ($f)
1287	or return;	1811	or return;
1288		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
		1815
1289	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1290		1817
1291	1	1818	1
1292	}	1819	}
1293		1820
1294	sub load_orig {	1821	sub load_header_orig {
1295	my ($self) = @_;	1822	my ($self) = @_;
1296		1823
1297	$self->load_header_from ($self->load_path)	1824	$self->load_header_from ($self->load_path)
1298	}	1825	}
1299		1826
1300	sub load_temp {	1827	sub load_header_temp {
1301	my ($self) = @_;	1828	my ($self) = @_;
1302		1829
1303	$self->load_header_from ($self->save_path)	1830	$self->load_header_from ($self->save_path)
		1831	}
		1832
		1833	sub prepare_temp {
		1834	my ($self) = @_;
		1835
		1836	$self->last_access ((delete $self->{last_access})
		1837	|| $cf::RUNTIME); #d#
		1838	# safety
		1839	$self->{instantiate_time} = $cf::RUNTIME
		1840	if $self->{instantiate_time} > $cf::RUNTIME;
		1841	}
		1842
		1843	sub prepare_orig {
		1844	my ($self) = @_;
		1845
		1846	$self->{load_original} = 1;
		1847	$self->{instantiate_time} = $cf::RUNTIME;
		1848	$self->last_access ($cf::RUNTIME);
		1849	$self->instantiate;
1304	}	1850	}
1305		1851
1306	sub load_header {	1852	sub load_header {
1307	my ($self) = @_;	1853	my ($self) = @_;
1308		1854
1309	if ($self->load_temp) {	1855	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1856	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1857	} else {
1316	$self->load_orig	1858	$self->load_header_orig
1317	or return;	1859	or return;
1318		1860	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1861	}
		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
1324		1868
1325	1	1869	1
1326	}	1870	}
1327		1871
1328	sub find;	1872	sub find;
1329	sub find {	1873	sub find {
1330	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1331		1875
1332	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1333		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1335		1880
1336	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1338	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1339	or return;	1886	or return;
1340		1887
1341	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1342		1889
1343	$map->load_header	1890	$map->load_header
1344	or return;	1891	or return;
1345		1892
1346	if ($map->should_reset) {	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1349	$map->reset;	1898	$map->reset;
1350	undef $guard;
1351	$map = find $path	1899	return find $path;
1352	or return;
1353	}	1900	}
1354		1901
1355	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1356	}	1903	}
1357	}	1904	}
		1905
		1906	sub pre_load { }
		1907	sub post_load { }
1358		1908
1359	sub load {	1909	sub load {
1360	my ($self) = @_;	1910	my ($self) = @_;
1361		1911
		1912	local $self->{deny_reset} = 1; # loading can take a long time
		1913
1362	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1364		1918
		1919	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		1921
1367	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1368		1923
1369	$self->alloc;	1924	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	1925
		1926	$self->pre_load;
		1927	cf::cede_to_tick;
		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1371	or return;	1932	or return;
1372		1933
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	1935	if delete $self->{load_original};
1375		1936
1376	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	1938	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	1941	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1381	}	1945	}
1382	}	1946	}
1383		1947
1384	Coro::cede;	1948	$f->resolve_delayed_derefs;
1385		1949
		1950	cf::cede_to_tick;
1386	# now do the right thing for maps	1951	# now do the right thing for maps
1387	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1954	unless $self->difficulty;
1397	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1398	$self->activate;	1964	$self->activate;
1399	}	1965	}
1400		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
		1971	}
		1972
		1973	$self->post_load;
1402	}	1974	}
1403		1975
1404	sub customise_for {	1976	sub customise_for {
1405	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1406		1978
1407	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1980	if $self->per_player;
1409		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1410	$self	1985	$self
1411	}	1986	}
1412		1987
1413	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1989	sub load_neighbours {
1415	my ($map) = @_;	1990	my ($map) = @_;
1416		1991
1417	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1418		1993
1419	for (0 .. 3) {	1994	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1421	or next;	1996	or next;
1422	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1423	or next;	1998	or next;
1424	$neigh->load;	1999	$neigh->load;
1425		2000
		2001	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2004	}
1429		2005
1430	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1432	or next;	2009	or next;
1433	$neigh->load;	2010	$neigh->load;
1434	}	2011	}
1435	}	2012	}
1436		2013
…		…
1441	}	2018	}
1442		2019
1443	sub do_load_sync {	2020	sub do_load_sync {
1444	my ($map) = @_;	2021	my ($map) = @_;
1445		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1446	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1447	}	2027	}
1448		2028
1449	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1451		2031
1452	sub find_async {	2032	sub find_async {
1453	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1454		2034
1455	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1456		2036
1457	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2039	}
1460		2040
1461	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1462	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1463	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2048	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2049	$map->load if $v;
		2050	}
1468		2051
1469	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1470	}	2053	}
1471	}	2054	}
1472	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1473	};	2056	};
		2057	$MAP_PREFETCHER->prio (6);
1474		2058
1475	()	2059	()
1476	}	2060	}
1477		2061
1478	sub save {	2062	sub save {
1479	my ($self) = @_;	2063	my ($self) = @_;
1480		2064
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2066
1483	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1484		2068
1485	return unless $self->dirty;	2069	return unless $self->dirty;
1486		2070
…		…
1492	return if $self->{deny_save};	2076	return if $self->{deny_save};
1493		2077
1494	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1495		2079
1496	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1498	};	2083	};
1499		2084
1500	if ($uniq) {	2085	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1509	my ($self) = @_;	2094	my ($self) = @_;
1510		2095
1511	# save first because save cedes	2096	# save first because save cedes
1512	$self->save;	2097	$self->save;
1513		2098
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2100
1516	return if $self->players;	2101	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2103	return if $self->{deny_save};
1519		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2109	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2110	}
1523		2111
1524	sub reset_at {	2112	sub reset_at {
1525	my ($self) = @_;	2113	my ($self) = @_;
1526		2114
1527	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1530		2117
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2120
…		…
1544	my ($self) = @_;	2131	my ($self) = @_;
1545		2132
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2134
1548	return if $self->players;	2135	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2136
1551	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1552		2148
1553	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1554		2150
1555	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2153	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2154
1560	$self->unlink_save;	2155	$self->unlink_save;
1561	$self->destroy;	2156	$self->destroy;
1562	}	2157	}
1563		2158
1564	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1565		2160
1566	sub nuke {	2161	sub nuke {
1567	my ($self) = @_;	2162	my ($self) = @_;
1568		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1569	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1570		2168
1571	$self->unlink_save;	2169	$self->unlink_save;
1572		2170
1573	bless $self, "cf::map";	2171	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2176
1579	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1580		2179
1581	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1582	}	2217	}
1583		2218
1584	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1585		2220
1586	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2222	instantiated unique items. May block.
1588		2223
1589	=cut	2224	=cut
1590		2225
1591	sub unique_maps() {	2226	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1593	or return;	2228	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2229	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2230	/\.map$/
1603	push @paths, $_;	2231	? normalise $_
		2232	: ()
		2233	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2234	]
1605
1606	\@paths
1607	}	2235	}
1608		2236
1609	package cf;	2237	package cf;
1610		2238
1611	=back	2239	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1630	}	2258	}
1631		2259
1632	sub inv_recursive {	2260	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1634	}	2290	}
1635		2291
1636	package cf;	2292	package cf;
1637		2293
1638	=back	2294	=back
…		…
1657		2313
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2315
1660	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1662	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1665	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1666	}	2341	}
1667		2342
1668	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1669		2344
1670	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2377	=cut
1703		2378
1704	sub link_map {	2379	sub link_map {
1705	unless ($LINK_MAP) {	2380	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2381	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2382	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2383	$LINK_MAP->load;
1709	}	2384	}
1710		2385
1711	$LINK_MAP	2386	$LINK_MAP
1712	}	2387	}
…		…
1717	$self->deactivate_recursive;	2392	$self->deactivate_recursive;
1718		2393
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2395
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1723		2398
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2400	}
1726		2401
1727	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1729		2406
1730	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1731		2408
1732	unless ($map) {	2409	unless ($map) {
1733	# restore original map position	2410	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1750		2427
1751	$map->load;	2428	$map->load;
1752	$map->load_diag;	2429	$map->load_neighbours;
1753		2430
1754	return unless $self->contr->active;	2431	return unless $self->contr->active;
1755	$self->activate_recursive;	2432	$self->activate_recursive;
		2433
		2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1757	}	2436	}
1758		2437
1759	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2439
1763	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1767	};	2444	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2445
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2446	=cut
		2447
		2448	our $GOTOGEN;
1794		2449
1795	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2455
1798	$self->enter_link;	2456	$self->enter_link;
1799		2457
1800	(async {	2458	(async {
1801	my $map = cf::map::find $path;	2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
		2480	my $map = eval {
		2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
1803		2485	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2486	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
1808		2489
		2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
		2496	}
		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1810	})->prio (1);	2504	})->prio (1);
1811	}	2505	}
1812		2506
1813	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1814		2508
…		…
1843	# that depends on the exit object	2537	# that depends on the exit object
1844		2538
1845	my $rmp = parse_random_map_params $exit->msg;	2539	my $rmp = parse_random_map_params $exit->msg;
1846		2540
1847	if ($exit->map) {	2541	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2542	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2543	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2544	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2545	$rmp->{origin_y} = $exit->y;
1852	}	2546	}
1853		2547
1854	$rmp->{random_seed} ||= $exit->random_seed;	2548	$rmp->{random_seed} ||= $exit->random_seed;
1855		2549
1856	my $data = cf::to_json $rmp;	2550	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2551	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2552	my $meta = "$RANDOMDIR/$md5.meta";
1859		2553
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2555	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2556	undef $fh;
1863	aio_rename "$meta~", $meta;	2557	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2564	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2565	my ($self, $exit) = @_;
1872		2566
1873	return unless $self->type == cf::PLAYER;	2567	return unless $self->type == cf::PLAYER;
1874		2568
		2569	if ($exit->slaying eq "/!") {
		2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2571	# the problem is that $exit might not survive long enough
		2572	# so it needs to be done right now, right here
		2573	cf::sync_job { prepare_random_map $exit };
		2574	}
		2575
		2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2577	my $hp = $exit->stats->hp;
		2578	my $sp = $exit->stats->sp;
		2579
1875	$self->enter_link;	2580	$self->enter_link;
1876		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
1877	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
1878	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2590	unless (eval {
1880	prepare_random_map $exit	2591	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2592
1886	1;	2593	1;
1887	}) {	2594	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2599
1893	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2601	$self->leave_link;
1895	}	2602	}
1896	})->prio (1);	2603	})->prio (1);
…		…
1909		2616
1910	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1912		2619
1913	utf8::encode $text;	2620	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2622	}
1916		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
		2717	=item $client->ext_msg ($type, @msg)
		2718
		2719	Sends an ext event to the client.
		2720
		2721	=cut
		2722
		2723	sub cf::client::ext_msg($$@) {
		2724	my ($self, $type, @msg) = @_;
		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
		2729	push @msg, msgtype => "event_$type";
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
		2750	}
1917		2751
1918	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
1919		2753
1920	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2757
1924	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2759	become reliable at some point in the future.
1926		2760
1927	=cut	2761	=cut
1928		2762
1929	sub cf::client::query {	2763	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2772	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2774
1941	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
1943	}	2779	}
1944		2780
1945	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
1946	on_reply => sub {	2787	on_reply => sub {
1947	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
1948		2789
1949	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
1950	# get handled first	2791	# get handled first
1951	my $queue = delete $ns->{query_queue}	2792	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2793	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2794
1954	(shift @$queue)->[1]->($msg);	2795	(shift @$queue)->[1]->($msg);
		2796	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2797
1956	push @{ $ns->{query_queue} }, @$queue;	2798	push @{ $ns->{query_queue} }, @$queue;
1957		2799
1958	if (@{ $ns->{query_queue} } == @$queue) {	2800	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2801	if (@$queue) {
…		…
1961	} else {	2803	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2805	}
1964	}	2806	}
1965	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
1966	);	2834	);
1967		2835
1968	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
1969		2837
1970	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2013		2881
2014	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2015		2883
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2017		2889
2018	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2019		2891
2020	=pod	2892	=pod
2021		2893
2022	The following fucntions and emthods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2023		2895
2024	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2025	cf::object::player player	2900	cf::object::player
2026	cf::player peaceful	2901	player
2027	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2028		2908
2029	=cut	2909	=cut
2030		2910
2031	for (	2911	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2033	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2036	) {	2918	) {
2037	no strict 'refs';	2919	no strict 'refs';
…		…
2108	=back	2990	=back
2109		2991
2110	=cut	2992	=cut
2111		2993
2112	#############################################################################	2994	#############################################################################
		2995	# the server's init and main functions
2113		2996
2114	=head2 EXTENSION DATABASE SUPPORT	2997	sub load_facedata($) {
		2998	my ($path) = @_;
2115		2999
2116	Crossfire maintains a very simple database for extension use. It can	3000	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3001	# for this (global event?)
2118	excludes objects.	3002	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3003
2120	The parameter C<$family> should best start with the name of the extension	3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3005
2123	=over 4	3006	warn "loading facedata from $path\n";
2124		3007
2125	=item $hashref = cf::db_get $family	3008	my $facedata;
		3009	0 < aio_load $path, $facedata
		3010	or die "$path: $!";
2126		3011
2127	Return a hashref for use by the extension C<$family>, which can be	3012	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3013
2131	=item $value = cf::db_get $family => $key	3014	$facedata->{version} == 2
		3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3016
2133	Returns a single value from the database	3017	# patch in the exptable
2134		3018	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	3019	type => FT_RSRC,
2136		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3021	};
		3022	cf::cede_to_tick;
2186		3023
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3024	{
		3025	my $faces = $facedata->{faceinfo};
2191		3026
2192	sub db_get($;$) {	3027	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}	3029	cf::face::set_visibility $idx, $info->{visibility};
2195	: ($DB->{$_[0]} ||= { })	3030	cf::face::set_magicmap $idx, $info->{magicmap};
2196	}	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2197		3033
2198	sub db_put($$;$) {	3034	cf::cede_to_tick;
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3035	}
2212	);
2213	}
2214		3036
2215	#############################################################################	3037	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3038	next unless $info->{smooth};
		3039	my $idx = cf::face::find $face
		3040	or next;
		3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
		3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3044	} else {
		3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3046	}
2217		3047
2218	sub cfg_load {	3048	cf::cede_to_tick;
		3049	}
		3050	}
		3051
		3052	{
		3053	my $anims = $facedata->{animinfo};
		3054
		3055	while (my ($anim, $info) = each %$anims) {
		3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3057	cf::cede_to_tick;
		3058	}
		3059
		3060	cf::anim::invalidate_all; # d'oh
		3061	}
		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
		3112	1
		3113	}
		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
		3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	load_resource_file "$MAPDIR/regions"
		3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
		3135	}
		3136
		3137	sub reload_facedata {
		3138	load_facedata "$DATADIR/facedata"
		3139	or die "unable to load facedata\n";
		3140	}
		3141
		3142	sub reload_archetypes {
		3143	load_resource_file "$DATADIR/archetypes"
		3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
		3150	}
		3151
		3152	sub reload_treasures {
		3153	load_resource_file "$DATADIR/treasures"
		3154	or die "unable to load treasurelists\n";
		3155	}
		3156
		3157	sub reload_resources {
		3158	warn "reloading resource files...\n";
		3159
		3160	reload_regions;
		3161	reload_facedata;
		3162	#reload_archetypes;#d#
		3163	reload_archetypes;
		3164	reload_treasures;
		3165
		3166	warn "finished reloading resource files\n";
		3167	}
		3168
		3169	sub init {
		3170	reload_resources;
		3171	}
		3172
		3173	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3175	or return;
2221		3176
2222	local $/;	3177	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
2224		3179
…		…
2239	sub main {	3194	sub main {
2240	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2244	Event::one_event;	3200	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2246	};	3202	};
2247		3203
2248	cfg_load;	3204	reload_config;
2249	db_load;	3205	db_init;
2250	load_extensions;	3206	load_extensions;
2251		3207
2252	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2253	Event::loop;	3209	Event::loop;
2254	}	3210	}
…		…
2258		3214
2259	# install some emergency cleanup handlers	3215	# install some emergency cleanup handlers
2260	BEGIN {	3216	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3217	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3218	Event->signal (
		3219	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3220	data => WF_AUTOCANCEL,
2264	signal => $signal,	3221	signal => $signal,
		3222	prio => 0,
2265	cb => sub {	3223	cb => sub {
2266	cf::cleanup "SIG$signal";	3224	cf::cleanup "SIG$signal";
2267	},	3225	},
2268	);	3226	);
2269	}	3227	}
		3228	}
		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
2270	}	3266	}
2271		3267
2272	sub emergency_save() {	3268	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2274		3270
…		…
2291	my $map = $cf::MAP{$path} or next;	3287	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3288	$map->valid or next;
2293	$map->save;	3289	$map->save;
2294	}	3290	}
2295	warn "end emergency map save\n";	3291	warn "end emergency map save\n";
		3292
		3293	warn "begin emergency database checkpoint\n";
		3294	BDB::db_env_txn_checkpoint $DB_ENV;
		3295	warn "end emergency database checkpoint\n";
2296	};	3296	};
2297		3297
2298	warn "leave emergency perl save\n";	3298	warn "leave emergency perl save\n";
2299	}	3299	}
2300		3300
		3301	sub post_cleanup {
		3302	my ($make_core) = @_;
		3303
		3304	warn Carp::longmess "post_cleanup backtrace"
		3305	if $make_core;
		3306	}
		3307
2301	sub reload() {	3308	sub do_reload_perl() {
2302	# can/must only be called in main	3309	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3310	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3311	warn "can only reload from main coroutine";
2305	return;	3312	return;
2306	}	3313	}
2307		3314
2308	warn "reloading...";	3315	warn "reloading...";
2309		3316
2310	warn "cancelling server ticker";	3317	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3318
		3319	cf::sync_job {
		3320	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3321	cf::emergency_save;
		3322	cf::write_runtime; # external watchdog should not bark
2314		3323
2315	eval {	3324	warn "syncing database to disk";
		3325	BDB::db_env_txn_checkpoint $DB_ENV;
		3326
2316	# if anything goes wrong in here, we should simply crash as we already saved	3327	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3328
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3329	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3330	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3331	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3332	}
2325		3333
2326	warn "flushing outstanding aio requests";	3334	warn "flushing outstanding aio requests";
2327	for (;;) {	3335	for (;;) {
		3336	BDB::flush;
2328	IO::AIO::flush;	3337	IO::AIO::flush;
2329	Coro::cede;	3338	Coro::cede;
2330	last unless IO::AIO::nreqs;	3339	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3340	warn "iterate...";
2332	}	3341	}
		3342
		3343	++$RELOAD;
2333		3344
2334	warn "cancelling all extension coros";	3345	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3346	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3347	%EXT_CORO = ();
2337		3348
2338	warn "removing commands";	3349	warn "removing commands";
2339	%COMMAND = ();	3350	%COMMAND = ();
2340		3351
2341	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2343		3355
2344	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2347		3359
…		…
2377	Symbol::delete_package "safe::$_"	3389	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3390	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3391
2380	warn "unloading cf.pm \"a bit\"";	3392	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3393	delete $INC{"cf.pm"};
		3394	delete $INC{"cf/pod.pm"};
2382		3395
2383	# don't, removes xs symbols, too,	3396	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3397	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3398	#Symbol::delete_package __PACKAGE__;
2386		3399
…		…
2389	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2390	require cf;	3403	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3405
2393	warn "loading config and database again";	3406	warn "loading config and database again";
2394	cf::cfg_load;	3407	cf::reload_config;
2395	cf::db_load;
2396		3408
2397	warn "loading extensions";	3409	warn "loading extensions";
2398	cf::load_extensions;	3410	cf::load_extensions;
2399		3411
2400	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3413	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3414	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3415	reattach $_ for values %MAP;
		3416	warn "reattaching attachments to players";
		3417	reattach $_ for values %PLAYER;
2404		3418
2405	warn "restarting server ticker";	3419	warn "leaving sync_job";
2406		3420
2407	$TICK_WATCHER->start;	3421	1
2408	};	3422	} or do {
2409
2410	if ($@) {
2411	warn $@;	3423	warn $@;
2412	warn "error while reloading, exiting.";	3424	warn "error while reloading, exiting.";
2413	exit 1;	3425	exit 1;
2414	}	3426	};
2415		3427
2416	warn "reloaded";	3428	warn "reloaded";
2417	};	3429	};
2418		3430
2419	our $RELOAD_WATCHER; # used only during reload	3431	our $RELOAD_WATCHER; # used only during reload
2420		3432
		3433	sub reload_perl() {
		3434	# doing reload synchronously and two reloads happen back-to-back,
		3435	# coro crashes during coro_state_free->destroy here.
		3436
		3437	$RELOAD_WATCHER ||= Event->timer (
		3438	reentrant => 0,
		3439	after => 0,
		3440	data => WF_AUTOCANCEL,
		3441	cb => sub {
		3442	do_reload_perl;
		3443	undef $RELOAD_WATCHER;
		3444	},
		3445	);
		3446	}
		3447
2421	register_command "reload" => sub {	3448	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2423		3450
2424	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
2426		3453	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	3454	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	3455	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	3456	};
2434	}	3457	}
2435	};	3458	};
2436		3459
2437	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2438		3461
2439	my $bug_warning = 0;	3462	my $bug_warning = 0;
		3463
		3464	our @WAIT_FOR_TICK;
		3465	our @WAIT_FOR_TICK_BEGIN;
		3466
		3467	sub wait_for_tick {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK, $signal;
		3473	$signal->wait;
		3474	}
		3475
		3476	sub wait_for_tick_begin {
		3477	return unless $TICK_WATCHER->is_active;
		3478	return if $Coro::current == $Coro::main;
		3479
		3480	my $signal = new Coro::Signal;
		3481	push @WAIT_FOR_TICK_BEGIN, $signal;
		3482	$signal->wait;
		3483	}
2440		3484
2441	$TICK_WATCHER = Event->timer (	3485	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3486	reentrant => 0,
2443	parked => 1,	3487	parked => 1,
2444	prio => 0,	3488	prio => 0,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3494	unless ++$bug_warning > 10;
2451	return;	3495	return;
2452	}	3496	}
2453		3497
2454	$NOW = Event::time;	3498	$NOW = $tick_start = Event::time;
2455		3499
2456	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
		3501
2457	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2459		3504
2460	$WAIT_FOR_TICK->broadcast;	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
		3509	write_runtime
		3510	or warn "ERROR: unable to write runtime file: $!";
		3511	};
		3512	}
		3513
		3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3515	$sig->send;
		3516	}
		3517	while (my $sig = shift @WAIT_FOR_TICK) {
		3518	$sig->send;
		3519	}
		3520
		3521	$NOW = Event::time;
2462		3522
2463	# if we are delayed by four ticks or more, skip them all	3523	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3525
2466	$TICK_WATCHER->at ($NEXT_TICK);	3526	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3527	$TICK_WATCHER->start;
		3528
		3529	$LOAD = ($NOW - $tick_start) / $TICK;
		3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3531
		3532	_post_tick;
2468	},	3533	},
2469	);	3534	);
2470		3535
		3536	{
		3537	BDB::min_parallel 8;
		3538	BDB::max_poll_time $TICK * 0.1;
		3539	$BDB_POLL_WATCHER = Event->io (
		3540	reentrant => 0,
		3541	fd => BDB::poll_fileno,
		3542	poll => 'r',
		3543	prio => 0,
		3544	data => WF_AUTOCANCEL,
		3545	cb => \&BDB::poll_cb,
		3546	);
		3547
		3548	BDB::set_sync_prepare {
		3549	my $status;
		3550	my $current = $Coro::current;
		3551	(
		3552	sub {
		3553	$status = $!;
		3554	$current->ready; undef $current;
		3555	},
		3556	sub {
		3557	Coro::schedule while defined $current;
		3558	$! = $status;
		3559	},
		3560	)
		3561	};
		3562
		3563	unless ($DB_ENV) {
		3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3569
		3570	cf::sync_job {
		3571	eval {
		3572	BDB::db_env_open
		3573	$DB_ENV,
		3574	$BDBDIR,
		3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3577	0666;
		3578
		3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3580	};
		3581
		3582	cf::cleanup "db_env_open(db): $@" if $@;
		3583	};
		3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
		3616	}
		3617
		3618	{
		3619	IO::AIO::min_parallel 8;
		3620
		3621	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3622	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3624	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2483	after => 1,	3626	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3627	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3628	prio => 0,
2486	cb => Coro::unblock_sub {	3629	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3630	);
2488	or warn "ERROR: unable to write runtime file: $!";	3631	}
		3632
		3633	my $_log_backtrace;
		3634
		3635	sub _log_backtrace {
		3636	my ($msg, @addr) = @_;
		3637
		3638	$msg =~ s/\n//;
		3639
		3640	# limit the # of concurrent backtraces
		3641	if ($_log_backtrace < 2) {
		3642	++$_log_backtrace;
		3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
		3646	my @bt = fork_call {
		3647	@addr = map { sprintf "%x", $_ } @addr;
		3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3650	or die "addr2line: $!";
		3651
		3652	my @funcs;
		3653	my @res = <$fh>;
		3654	chomp for @res;
		3655	while (@res) {
		3656	my ($func, $line) = splice @res, 0, 2, ();
		3657	push @funcs, "[$func] $line";
		3658	}
		3659
		3660	@funcs
		3661	};
		3662
		3663	LOG llevInfo, "[ABT] $msg\n";
		3664	LOG llevInfo, "[ABT] $_\n" for @bt;
		3665	--$_log_backtrace;
		3666	};
		3667	} else {
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3670	}
2490	);	3671	}
		3672
		3673	# load additional modules
		3674	use cf::pod;
2491		3675
2492	END { cf::emergency_save }	3676	END { cf::emergency_save }
2493		3677
2494	1	3678	1
2495		3679

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