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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.4 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
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
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		488
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
352	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
353		493
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		495
358	aio_fsync $fh	496	sub fork_call(&@) {
359	and return;	497	my ($cb, @args) = @_;
360		498
361	close $fh	499	# we seemingly have to make a local copy of the whole thing,
362	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
363		502
364	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
365	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
366		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
367	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	647	}
369		648
370	=back	649	=back
371		650
372	=cut	651	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
381		660
382	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	663	Crossfire TRT).
385		664
386	=over 4	665	=over 4
387		666
388	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
389		668
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
553		832
554	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		837
559	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	839	my $pkg = shift @arg;
561		840
562	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
592	}	871	}
593		872
594	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
595	} else {	874	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	876	}
598		877
599	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
600	}	879	}
601		880
…		…
603	if (ref $_[0]) {	882	if (ref $_[0]) {
604	_object_attach @_;	883	_object_attach @_;
605	} else {	884	} else {
606	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
607	}	886	}
		887	_recalc_want;
608	};	888	};
609		889
610	# all those should be optimised	890	# all those should be optimised
611	sub cf::attachable::detach {	891	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
616	reattach ($obj);	896	reattach ($obj);
617	} else {	897	} else {
618	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
619	}	899	}
		900	_recalc_want;
620	};	901	};
621		902
622	sub cf::attachable::attached {	903	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
624		905
…		…
639	";	920	";
640	die if $@;	921	die if $@;
641	}	922	}
642		923
643	our $override;	924	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		926
646	sub override {	927	sub override {
647	$override = 1;	928	$override = 1;
648	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
649	}	930	}
650		931
651	sub do_invoke {	932	sub do_invoke {
652	my $event = shift;	933	my $event = shift;
653	my $callbacks = shift;	934	my $callbacks = shift;
654		935
655	@invoke_results = ();	936	@INVOKE_RESULTS = ();
656		937
657	local $override;	938	local $override;
658		939
659	for (@$callbacks) {	940	for (@$callbacks) {
660	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
677		958
678	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
679		960
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		964
684	=back	965	=back
685		966
686	=cut	967	=cut
687		968
688	#############################################################################	969	#############################################################################
689	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
690		987
691	sub reattach {	988	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	990	my ($obj) = @_;
694		991
…		…
741	sub object_freezer_save {	1038	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
743		1040
744	sync_job {	1041	sync_job {
745	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
748		1046
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1050	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1051	close $fh;
754		1052
755	if (@$objs) {	1053	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1058	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1059	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
763	}	1061	}
764	} else {	1062	} else {
765	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
…		…
771	}	1069	}
772	} else {	1070	} else {
773	aio_unlink $filename;	1071	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
775	}	1073	}
776	}	1074	};
777	}	1075	}
778		1076
779	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
781		1079
…		…
793	or return;	1091	or return;
794		1092
795	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
797	or return;	1095	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };
799	}
800		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
803	return ($data, $av);	1106	($data, $av)
804	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
805		1114
806	#############################################################################	1115	#############################################################################
807	# command handling &c	1116	# command handling &c
808		1117
809	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1132	}
824		1133
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1135
827	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
828		1141
829	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
830	called.	1143	called.
831		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
832	=cut	1156	=cut
833		1157
834	sub register_extcmd {	1158	sub register_extcmd {
835	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
836		1160
837	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
838	}	1168	}
839		1169
840	cf::player->attach (	1170	cf::player->attach (
841	on_command => sub {	1171	on_command => sub {
842	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1181	cf::override;
852	},	1182	},
853	on_extcmd => sub {	1183	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
855		1185
856	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1187
858	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
864	} else {	1203	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1205	}
867		1206
868	cf::override;	1207	cf::override;
869	},	1208	},
870	);	1209	);
871		1210
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
907	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1216	next unless -r $path;
909	eval {	1217
910	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
911	1	1275	}
912	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
913	}	1281	};
914	}	1282	}
915		1283
916	#############################################################################	1284	#############################################################################
917		1285
		1286	=back
		1287
918	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
919		1289
920	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
921		1291
922	=cut	1292	=cut
…		…
927		1297
928	=head3 cf::player	1298	=head3 cf::player
929		1299
930	=over 4	1300	=over 4
931		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
932	=item cf::player::find $login	1316	=item cf::player::find $login
933		1317
934	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
935		1319
936	=cut	1320	=cut
937		1321
938	sub playerdir($) {	1322	sub playerdir($) {
939	cf::localdir	1323	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1325	}
945		1326
946	sub path($) {	1327	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1329
949	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
950	}	1331	}
951		1332
952	sub find_active($) {	1333	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
957		1338
958	sub exists($) {	1339	sub exists($) {
959	my ($login) = @_;	1340	my ($login) = @_;
960		1341
961	$cf::PLAYER{$login}	1342	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1343	or cf::sync_job { !aio_stat path $login }
963	}	1344	}
964		1345
965	sub find($) {	1346	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1347	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1348	my $login = $_[0];
968		1349
969	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
970		1351
971	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
973	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
975	}	1368	}
976	}	1369	}
977	}	1370	}
978		1371
…		…
988		1381
989	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
991		1384
992	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
993	Coro::cede;	1386	cf::cede_to_tick;
994	}	1387	}
995		1388
996	sub new($) {	1389	sub new($) {
997	my ($login) = @_;	1390	my ($login) = @_;
998		1391
…		…
1004	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1005		1398
1006	$self	1399	$self
1007	}	1400	}
1008		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
		1410	}
		1411
1009	=item $pl->quit_character	1412	=item $pl->quit_character
1010		1413
1011	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1415	be destroyed. May block for a long time.
1013		1416
1014	=cut	1417	=cut
1015		1418
1016	sub quit_character {	1419	sub quit_character {
1017	my ($pl) = @_;	1420	my ($pl) = @_;
		1421
		1422	my $name = $pl->ob->name;
1018		1423
1019	$pl->{deny_save} = 1;	1424	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1425	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1426
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1432	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1433	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1434	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1435	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1436	$pl->destroy;
		1437
		1438	my $prefix = qr<^~\Q$name\E/>;
		1439
		1440	# nuke player maps
		1441	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1442
1032	IO::AIO::aio_rmtree $temp;	1443	IO::AIO::aio_rmtree $temp;
		1444	}
		1445
		1446	=item $pl->kick
		1447
		1448	Kicks a player out of the game. This destroys the connection.
		1449
		1450	=cut
		1451
		1452	sub kick {
		1453	my ($pl, $kicker) = @_;
		1454
		1455	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1456	$pl->killer ("kicked");
		1457	$pl->ns->destroy;
1033	}	1458	}
1034		1459
1035	=item cf::player::list_logins	1460	=item cf::player::list_logins
1036		1461
1037	Returns am arrayref of all valid playernames in the system, can take a	1462	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1039		1464
1040	=cut	1465	=cut
1041		1466
1042	sub list_logins {	1467	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1469	or return [];
1045		1470
1046	my @logins;	1471	my @logins;
1047		1472
1048	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1052		1482
1053	utf8::decode $login;	1483	utf8::decode $login;
1054	push @logins, $login;	1484	push @logins, $login;
1055	}	1485	}
1056		1486
…		…
1064		1494
1065	=cut	1495	=cut
1066		1496
1067	sub maps($) {	1497	sub maps($) {
1068	my ($pl) = @_;	1498	my ($pl) = @_;
		1499
		1500	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1501
1070	my $files = aio_readdir playerdir $pl	1502	my $files = aio_readdir playerdir $pl
1071	or return;	1503	or return;
1072		1504
1073	my @paths;	1505	my @paths;
…		…
1075	for (@$files) {	1507	for (@$files) {
1076	utf8::decode $_;	1508	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1509	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1510	next unless /^$PATH_SEP/o;
1079		1511
1080	s/\.map$//;	1512	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1513	}
1083		1514
1084	\@paths	1515	\@paths
1085	}	1516	}
1086		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1088		1570
1089	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1090		1572
1091	=cut	1573	=cut
1092		1574
1093	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1095		1577
1096	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1579	}
1100		1580
1101	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1102		1621
1103	=back	1622	=back
1104
1105		1623
1106	=head3 cf::map	1624	=head3 cf::map
1107		1625
1108	=over 4	1626	=over 4
1109		1627
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1655	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1656	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1657	)
1140	}	1658	}
1141		1659
		1660	=item cf::map->register ($regex, $prio)
		1661
		1662	Register a handler for the map path matching the given regex at the
		1663	givne priority (higher is better, built-in handlers have priority 0, the
		1664	default).
		1665
		1666	=cut
		1667
1142	sub register {	1668	sub register {
1143	my (undef, $regex) = @_;	1669	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1670	my $pkg = caller;
1145		1671
1146	no strict;	1672	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1673	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1674
1149	$EXT_MAP{$pkg} = qr<$regex>;	1675	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1676	}
1151		1677
1152	# also paths starting with '/'	1678	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1679	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1680
1155	sub thawer_merge {	1681	sub thawer_merge {
1156	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1157		1683
1158	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1159	local $self->{path};	1685	local $self->{path};
1160	local $self->{load_path};	1686	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1687
1164	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1165	}	1689	}
1166		1690
1167	sub normalise {	1691	sub normalise {
1168	my ($path, $base) = @_;	1692	my ($path, $base) = @_;
		1693
		1694	$path = "$path"; # make sure its a string
		1695
		1696	$path =~ s/\.map$//;
1169		1697
1170	# map plan:	1698	# map plan:
1171	#	1699	#
1172	# /! non-realised random map exit (special hack!)	1700	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1701	# {... are special paths that are not being touched
…		…
1201		1729
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1730	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1731
1204	$path = normalise $path, $base;	1732	$path = normalise $path, $base;
1205		1733
1206	for my $pkg (keys %EXT_MAP) {	1734	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1735	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1736	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1737	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1211	return $self;	1739	return $self;
1212	}	1740	}
1213	}	1741	}
1214		1742
1215	Carp::carp "unable to resolve path '$path'.";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1744	()
1217	}	1745	}
1218		1746
1219	sub init {	1747	sub init {
1220	my ($self) = @_;	1748	my ($self) = @_;
…		…
1235		1763
1236	# the original (read-only) location	1764	# the original (read-only) location
1237	sub load_path {	1765	sub load_path {
1238	my ($self) = @_;	1766	my ($self) = @_;
1239		1767
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1241	}	1769	}
1242		1770
1243	# the temporary/swap location	1771	# the temporary/swap location
1244	sub save_path {	1772	sub save_path {
1245	my ($self) = @_;	1773	my ($self) = @_;
1246		1774
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1249	}	1777	}
1250		1778
1251	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1252	sub uniq_path {	1780	sub uniq_path {
1253	my ($self) = @_;	1781	my ($self) = @_;
1254		1782
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1257	}	1785	}
1258		1786
1259	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1260	# all maps in C++...	1788	# all maps in C++...
1261	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1263		1791
1264	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1266	}	1794	}
1267		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1268	sub unlink_save {	1804	sub unlink_save {
1269	my ($self) = @_;	1805	my ($self) = @_;
1270		1806
1271	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1811
1276	sub load_header_from($) {	1812	sub load_header_from($) {
1277	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1278		1814
1279	utf8::encode $path;	1815	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1281	or return;	1817	or return;
1282		1818
1283	$self->_load_header ($path)	1819	$self->_load_header ($f)
1284	or return;	1820	or return;
1285		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
		1824
1286	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1287		1826
1288	1	1827	1
1289	}	1828	}
1290		1829
1291	sub load_orig {	1830	sub load_header_orig {
1292	my ($self) = @_;	1831	my ($self) = @_;
1293		1832
1294	$self->load_header_from ($self->load_path)	1833	$self->load_header_from ($self->load_path)
1295	}	1834	}
1296		1835
1297	sub load_temp {	1836	sub load_header_temp {
1298	my ($self) = @_;	1837	my ($self) = @_;
1299		1838
1300	$self->load_header_from ($self->save_path)	1839	$self->load_header_from ($self->save_path)
		1840	}
		1841
		1842	sub prepare_temp {
		1843	my ($self) = @_;
		1844
		1845	$self->last_access ((delete $self->{last_access})
		1846	|| $cf::RUNTIME); #d#
		1847	# safety
		1848	$self->{instantiate_time} = $cf::RUNTIME
		1849	if $self->{instantiate_time} > $cf::RUNTIME;
		1850	}
		1851
		1852	sub prepare_orig {
		1853	my ($self) = @_;
		1854
		1855	$self->{load_original} = 1;
		1856	$self->{instantiate_time} = $cf::RUNTIME;
		1857	$self->last_access ($cf::RUNTIME);
		1858	$self->instantiate;
1301	}	1859	}
1302		1860
1303	sub load_header {	1861	sub load_header {
1304	my ($self) = @_;	1862	my ($self) = @_;
1305		1863
1306	if ($self->load_temp) {	1864	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1865	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1866	} else {
1313	$self->load_orig	1867	$self->load_header_orig
1314	or return;	1868	or return;
1315		1869	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1870	}
		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
1321		1877
1322	1	1878	1
1323	}	1879	}
1324		1880
1325	sub find;	1881	sub find;
1326	sub find {	1882	sub find {
1327	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1328		1884
1329	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1330		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1332		1889
1333	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1335	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1336	or return;	1895	or return;
1337		1896
1338	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1339		1898
1340	$map->load_header	1899	$map->load_header
1341	or return;	1900	or return;
1342		1901
1343	if ($map->should_reset) {	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1903	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1345	$map->reset;	1907	$map->reset;
1346	undef $guard;
1347	$map = find $path	1908	return find $path;
1348	or return;
1349	}	1909	}
1350		1910
1351	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1352	}	1912	}
1353	}	1913	}
		1914
		1915	sub pre_load { }
		1916	sub post_load { }
1354		1917
1355	sub load {	1918	sub load {
1356	my ($self) = @_;	1919	my ($self) = @_;
1357		1920
		1921	local $self->{deny_reset} = 1; # loading can take a long time
		1922
1358	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1360		1927
		1928	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		1930
1363	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1364		1932
1365	$self->alloc;	1933	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	1934
		1935	$self->pre_load;
		1936	cf::cede_to_tick;
		1937
		1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1367	or return;	1941	or return;
1368		1942
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1944	if delete $self->{load_original};
1371		1945
1372	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1947	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	1950	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1377	}	1954	}
1378	}	1955	}
1379		1956
1380	Coro::cede;	1957	$f->resolve_delayed_derefs;
1381		1958
		1959	cf::cede_to_tick;
1382	# now do the right thing for maps	1960	# now do the right thing for maps
1383	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1963	unless $self->difficulty;
1393	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1394	$self->activate;	1973	$self->activate;
1395	}	1974	}
1396		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1979	$self->in_memory (cf::MAP_IN_MEMORY);
		1980	}
		1981
		1982	$self->post_load;
1398	}	1983	}
1399		1984
1400	sub customise_for {	1985	sub customise_for {
1401	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1402		1987
1403	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1989	if $self->per_player;
1405		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1406	$self	1994	$self
1407	}	1995	}
1408		1996
1409	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1998	sub load_neighbours {
1411	my ($map) = @_;	1999	my ($map) = @_;
1412		2000
1413	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1414		2002
1415	for (0 .. 3) {	2003	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1417	or next;	2005	or next;
1418	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1419	or next;	2007	or next;
1420	$neigh->load;	2008	$neigh->load;
1421		2009
		2010	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2013	}
1425		2014
1426	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1428	or next;	2018	or next;
1429	$neigh->load;	2019	$neigh->load;
1430	}	2020	}
1431	}	2021	}
1432		2022
…		…
1437	}	2027	}
1438		2028
1439	sub do_load_sync {	2029	sub do_load_sync {
1440	my ($map) = @_;	2030	my ($map) = @_;
1441		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1442	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1443	}	2036	}
1444		2037
1445	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2039	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2040
1459	sub find_async {	2041	sub find_async {
1460	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1461		2043
1462	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1463		2045
1464	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2048	}
		2049
		2050	$MAP_PREFETCH{$path} |= $load;
		2051
		2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
		2055	while (%MAP_PREFETCH) {
		2056	while (my ($k, $v) = each %MAP_PREFETCH) {
		2057	if (my $map = find $k) {
		2058	$map->load if $v;
		2059	}
		2060
		2061	delete $MAP_PREFETCH{$k};
		2062	}
		2063	}
		2064	undef $MAP_PREFETCHER;
1466	}	2065	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2066	$MAP_PREFETCHER->prio (6);
1470		2067
1471	()	2068	()
1472	}	2069	}
1473		2070
1474	sub save {	2071	sub save {
1475	my ($self) = @_;	2072	my ($self) = @_;
1476		2073
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2075
1479	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1480		2077
1481	return unless $self->dirty;	2078	return unless $self->dirty;
1482		2079
…		…
1488	return if $self->{deny_save};	2085	return if $self->{deny_save};
1489		2086
1490	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1491		2088
1492	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1494	};	2092	};
1495		2093
1496	if ($uniq) {	2094	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2103	my ($self) = @_;
1506		2104
1507	# save first because save cedes	2105	# save first because save cedes
1508	$self->save;	2106	$self->save;
1509		2107
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2109
1512	return if $self->players;	2110	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2112	return if $self->{deny_save};
1515		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2118	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2119	}
1519		2120
1520	sub reset_at {	2121	sub reset_at {
1521	my ($self) = @_;	2122	my ($self) = @_;
1522		2123
1523	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1526		2126
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2129
…		…
1540	my ($self) = @_;	2140	my ($self) = @_;
1541		2141
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2143
1544	return if $self->players;	2144	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2145
1547	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
		2147
		2148	$self->in_memory (cf::MAP_SWAPPED);
		2149
		2150	# need to save uniques path
		2151	unless ($self->{deny_save}) {
		2152	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2153
		2154	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2155	if $uniq;
		2156	}
1548		2157
1549	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1550		2159
1551	$self->in_memory (cf::MAP_SWAPPED);	2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2162	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2163
1556	$self->unlink_save;	2164	$self->unlink_save;
1557	$self->destroy;	2165	$self->destroy;
1558	}	2166	}
1559		2167
1560	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1561		2169
1562	sub nuke {	2170	sub nuke {
1563	my ($self) = @_;	2171	my ($self) = @_;
1564		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1565	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1566		2177
1567	$self->unlink_save;	2178	$self->unlink_save;
1568		2179
1569	bless $self, "cf::map";	2180	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2185
1575	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1576		2188
1577	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1578	}	2226	}
1579		2227
1580	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1581		2229
1582	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2231	instantiated unique items. May block.
1584		2232
1585	=cut	2233	=cut
1586		2234
1587	sub unique_maps() {	2235	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1589	or return;	2237	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2238	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2239	/\.map$/
1599	push @paths, $_;	2240	? normalise $_
		2241	: ()
		2242	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2243	]
1601
1602	\@paths
1603	}	2244	}
1604		2245
1605	package cf;	2246	package cf;
1606		2247
1607	=back	2248	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1626	}	2267	}
1627		2268
1628	sub inv_recursive {	2269	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1630	}	2299	}
1631		2300
1632	package cf;	2301	package cf;
1633		2302
1634	=back	2303	=back
…		…
1653		2322
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2324
1656	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1658	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1661	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1662	}	2350	}
1663		2351
1664	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1665		2353
1666	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2386	=cut
1699		2387
1700	sub link_map {	2388	sub link_map {
1701	unless ($LINK_MAP) {	2389	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2390	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2391	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2392	$LINK_MAP->load;
1705	}	2393	}
1706		2394
1707	$LINK_MAP	2395	$LINK_MAP
1708	}	2396	}
…		…
1713	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1714		2402
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2404
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1719		2407
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2409	}
1722		2410
1723	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1725		2415
1726	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1727		2417
1728	unless ($map) {	2418	unless ($map) {
1729	# restore original map position	2419	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1746		2436
1747	$map->load;	2437	$map->load;
1748	$map->load_diag;	2438	$map->load_neighbours;
1749		2439
1750	return unless $self->contr->active;	2440	return unless $self->contr->active;
1751	$self->activate_recursive;	2441	$self->activate_recursive;
		2442
		2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1753	}	2445	}
1754		2446
1755	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2448
1759	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1763	};	2453	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2454
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1790		2458
1791	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2464
1794	$self->enter_link;	2465	$self->enter_link;
1795		2466
1796	(async {	2467	(async {
1797	my $map = cf::map::find $path;	2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
		2489	my $map = eval {
		2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
1799		2494	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2495	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
1804		2498
		2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
		2505	}
		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1806	})->prio (1);	2513	})->prio (1);
1807	}	2514	}
1808		2515
1809	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1810		2517
…		…
1812		2519
1813	sub parse_random_map_params {	2520	sub parse_random_map_params {
1814	my ($spec) = @_;	2521	my ($spec) = @_;
1815		2522
1816	my $rmp = { # defaults	2523	my $rmp = { # defaults
1817	xsize => -1,	2524	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2525	ysize => (cf::rndm 15, 40),
		2526	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2527	#layout => string,
1819	};	2528	};
1820		2529
1821	for (split /\n/, $spec) {	2530	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2531	my ($k, $v) = split /\s+/, $_, 2;
1823		2532
…		…
1837	# that depends on the exit object	2546	# that depends on the exit object
1838		2547
1839	my $rmp = parse_random_map_params $exit->msg;	2548	my $rmp = parse_random_map_params $exit->msg;
1840		2549
1841	if ($exit->map) {	2550	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2551	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2552	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2553	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2554	$rmp->{origin_y} = $exit->y;
1846	}	2555	}
1847		2556
1848	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1849		2558
1850	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1853		2562
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2565	undef $fh;
1857	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2573	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2574	my ($self, $exit) = @_;
1866		2575
1867	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1868		2577
		2578	if ($exit->slaying eq "/!") {
		2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
		2582	cf::sync_job { prepare_random_map $exit };
		2583	}
		2584
		2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2586	my $hp = $exit->stats->hp;
		2587	my $sp = $exit->stats->sp;
		2588
1869	$self->enter_link;	2589	$self->enter_link;
1870		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1871	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1872	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2599	unless (eval {
1874	prepare_random_map $exit	2600	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2601
1880	1;	2602	1;
1881	}) {	2603	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2608
1887	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2610	$self->leave_link;
1889	}	2611	}
1890	})->prio (1);	2612	})->prio (1);
…		…
1903		2625
1904	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1906		2628
1907	utf8::encode $text;	2629	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2631	}
1910		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
1911		2760
1912	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
1913		2762
1914	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2766
1918	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2768	become reliable at some point in the future.
1920		2769
1921	=cut	2770	=cut
1922		2771
1923	sub cf::client::query {	2772	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2781	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2783
1935	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
1937	}	2788	}
1938		2789
1939	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
1940	on_reply => sub {	2796	on_reply => sub {
1941	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
1942		2798
1943	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
1944	# get handled first	2800	# get handled first
1945	my $queue = delete $ns->{query_queue}	2801	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2802	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2803
1948	(shift @$queue)->[1]->($msg);	2804	(shift @$queue)->[1]->($msg);
		2805	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2806
1950	push @{ $ns->{query_queue} }, @$queue;	2807	push @{ $ns->{query_queue} }, @$queue;
1951		2808
1952	if (@{ $ns->{query_queue} } == @$queue) {	2809	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2810	if (@$queue) {
…		…
1955	} else {	2812	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2814	}
1958	}	2815	}
1959	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
1960	);	2843	);
1961		2844
1962	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
1963		2846
1964	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2007		2890
2008	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2009		2892
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2011		2898
2012	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2013		2900
2014	=pod	2901	=pod
2015		2902
2016	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2017		2904
2018	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2019	cf::object::player player	2909	cf::object::player
2020	cf::player peaceful	2910	player
2021	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2022		2917
2023	=cut	2918	=cut
2024		2919
2025	for (	2920	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2027	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2030	) {	2927	) {
2031	no strict 'refs';	2928	no strict 'refs';
…		…
2102	=back	2999	=back
2103		3000
2104	=cut	3001	=cut
2105		3002
2106	#############################################################################	3003	#############################################################################
		3004	# the server's init and main functions
2107		3005
2108	=head2 EXTENSION DATABASE SUPPORT	3006	sub load_facedata($) {
		3007	my ($path) = @_;
2109		3008
2110	Crossfire maintains a very simple database for extension use. It can	3009	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3010	# for this (global event?)
2112	excludes objects.	3011	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3012
2114	The parameter C<$family> should best start with the name of the extension	3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3014
2117	=over 4	3015	warn "loading facedata from $path\n";
2118		3016
2119	=item $hashref = cf::db_get $family	3017	my $facedata;
		3018	0 < aio_load $path, $facedata
		3019	or die "$path: $!";
2120		3020
2121	Return a hashref for use by the extension C<$family>, which can be	3021	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3022
2125	=item $value = cf::db_get $family => $key	3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3025
2127	Returns a single value from the database	3026	# patch in the exptable
2128		3027	$facedata->{resource}{"res/exp_table"} = {
2129	=item cf::db_put $family => $hashref	3028	type => FT_RSRC,
2130		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3030	};
		3031	cf::cede_to_tick;
2180		3032
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3033	{
		3034	my $faces = $facedata->{faceinfo};
2185		3035
2186	sub db_get($;$) {	3036	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}	3038	cf::face::set_visibility $idx, $info->{visibility};
2189	: ($DB->{$_[0]} ||= { })	3039	cf::face::set_magicmap $idx, $info->{magicmap};
2190	}	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2191		3042
2192	sub db_put($$;$) {	3043	cf::cede_to_tick;
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3044	}
2206	);
2207	}
2208		3045
2209	#############################################################################	3046	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
2211		3056
2212	sub cfg_load {	3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
		3121	1
		3122	}
		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
		3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
		3166	sub reload_resources {
		3167	warn "reloading resource files...\n";
		3168
		3169	reload_regions;
		3170	reload_facedata;
		3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
		3176	}
		3177
		3178	sub init {
		3179	reload_resources;
		3180	}
		3181
		3182	sub reload_config {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3184	or return;
2215		3185
2216	local $/;	3186	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2218		3188
…		…
2233	sub main {	3203	sub main {
2234	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2238	Event::one_event;	3209	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2240	};	3211	};
2241		3212
2242	cfg_load;	3213	reload_config;
2243	db_load;	3214	db_init;
2244	load_extensions;	3215	load_extensions;
		3216
		3217	$TICK_WATCHER->start;
2245	Event::loop;	3218	Event::loop;
2246	}	3219	}
2247		3220
2248	#############################################################################	3221	#############################################################################
2249	# initialisation and cleanup	3222	# initialisation and cleanup
2250		3223
2251	# install some emergency cleanup handlers	3224	# install some emergency cleanup handlers
2252	BEGIN {	3225	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	3226	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3227	Event->signal (
		3228	reentrant => 0,
2255	data => WF_AUTOCANCEL,	3229	data => WF_AUTOCANCEL,
2256	signal => $signal,	3230	signal => $signal,
		3231	prio => 0,
2257	cb => sub {	3232	cb => sub {
2258	cf::cleanup "SIG$signal";	3233	cf::cleanup "SIG$signal";
2259	},	3234	},
2260	);	3235	);
2261	}	3236	}
		3237	}
		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
2262	}	3275	}
2263		3276
2264	sub emergency_save() {	3277	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2266		3279
…		…
2272	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2274	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3291	$pl->save;
2278	}	3292	}
2279	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2280		3294
2281	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2283	my $map = $cf::MAP{$path} or next;	3297	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3298	$map->valid or next;
2285	$map->save;	3299	$map->save;
2286	}	3300	}
2287	warn "end emergency map save\n";	3301	warn "end emergency map save\n";
		3302
		3303	warn "begin emergency database checkpoint\n";
		3304	BDB::db_env_txn_checkpoint $DB_ENV;
		3305	warn "end emergency database checkpoint\n";
2288	};	3306	};
2289		3307
2290	warn "leave emergency perl save\n";	3308	warn "leave emergency perl save\n";
2291	}	3309	}
2292		3310
		3311	sub post_cleanup {
		3312	my ($make_core) = @_;
		3313
		3314	warn Carp::longmess "post_cleanup backtrace"
		3315	if $make_core;
		3316	}
		3317
2293	sub reload() {	3318	sub do_reload_perl() {
2294	# can/must only be called in main	3319	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3321	warn "can only reload from main coroutine";
2297	return;	3322	return;
2298	}	3323	}
2299		3324
2300	warn "reloading...";	3325	warn "reloading...";
2301		3326
2302	warn "freezing server";	3327	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3328
		3329	cf::sync_job {
		3330	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3331	cf::emergency_save;
		3332	cf::write_runtime; # external watchdog should not bark
2305		3333
2306	warn "sync database to disk";	3334	warn "syncing database to disk";
2307	cf::db_sync;	3335	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3336
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3337	# if anything goes wrong in here, we should simply crash as we already saved
2312		3338
2313	warn "cancel all watchers";	3339	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	3340	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3341	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	3342	}
2317		3343
		3344	warn "flushing outstanding aio requests";
		3345	for (;;) {
		3346	BDB::flush;
		3347	IO::AIO::flush;
		3348	Coro::cede;
		3349	last unless IO::AIO::nreqs || BDB::nreqs;
		3350	warn "iterate...";
		3351	}
		3352
		3353	++$RELOAD;
		3354
2318	warn "cancel all extension coros";	3355	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3356	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3357	%EXT_CORO = ();
2321		3358
2322	warn "remove commands";	3359	warn "removing commands";
2323	%COMMAND = ();	3360	%COMMAND = ();
2324		3361
2325	warn "remove ext commands";	3362	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2327		3365
2328	warn "unload/nuke all extensions";	3366	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2331		3369
2332	if (my $cb = $pkg->can ("unload")) {	3370	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3371	eval {
…		…
2338		3376
2339	warn "... nuking $pkg";	3377	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3378	Symbol::delete_package $pkg;
2341	}	3379	}
2342		3380
2343	warn "unload all perl modules loaded from $LIBDIR";	3381	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3382	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3383	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3384
2347	warn "removing <$k>";	3385	warn "... unloading $k";
2348	delete $INC{$k};	3386	delete $INC{$k};
2349		3387
2350	$k =~ s/\.pm$//;	3388	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3389	$k =~ s/\//::/g;
2352		3390
…		…
2355	}	3393	}
2356		3394
2357	Symbol::delete_package $k;	3395	Symbol::delete_package $k;
2358	}	3396	}
2359		3397
2360	warn "get rid of safe::, as good as possible";	3398	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3401
2364	warn "unload cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2366		3405
2367	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3407	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2370		3409
		3410	warn "unload completed, starting to reload now";
		3411
2371	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2372	require cf;	3413	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3415
2375	warn "load config and database again";	3416	warn "loading config and database again";
2376	cf::cfg_load;	3417	cf::reload_config;
2377	cf::db_load;
2378		3418
2379	warn "load extensions";	3419	warn "loading extensions";
2380	cf::load_extensions;	3420	cf::load_extensions;
2381		3421
2382	warn "reattach attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3423	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3424	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
2386	};	3426	warn "reattaching attachments to players";
		3427	reattach $_ for values %PLAYER;
2387		3428
2388	if ($@) {	3429	warn "leaving sync_job";
		3430
		3431	1
		3432	} or do {
2389	warn $@;	3433	warn $@;
2390	warn "error while reloading, exiting.";	3434	warn "error while reloading, exiting.";
2391	exit 1;	3435	exit 1;
2392	}	3436	};
2393		3437
2394	warn "reloaded";	3438	warn "reloaded";
2395	};	3439	};
2396		3440
2397	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2398		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2399	register_command "reload" => sub {	3458	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2401		3460
2402	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2404		3463	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	3465	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	3466	};
2412	}	3467	}
2413	};	3468	};
2414		3469
2415	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
		3471
		3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2416		3494
2417	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	3496	reentrant => 0,
		3497	parked => 1,
2419	prio => 0,	3498	prio => 0,
2420	at => $NEXT_TICK || $TICK,	3499	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	3500	data => WF_AUTOCANCEL,
2422	cb => sub {	3501	cb => sub {
		3502	if ($Coro::current != $Coro::main) {
		3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3504	unless ++$bug_warning > 10;
		3505	return;
		3506	}
		3507
2423	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2424		3509
2425	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2426	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2428		3514
2429	$WAIT_FOR_TICK->broadcast;	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
		3519	write_runtime
		3520	or warn "ERROR: unable to write runtime file: $!";
		3521	};
		3522	}
		3523
		3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
		3530
		3531	$NOW = Event::time;
2431		3532
2432	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		3535
2435	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2437	},	3543	},
2438	);	3544	);
2439		3545
		3546	{
		3547	BDB::min_parallel 8;
		3548	BDB::max_poll_time $TICK * 0.1;
		3549	$BDB_POLL_WATCHER = Event->io (
		3550	reentrant => 0,
		3551	fd => BDB::poll_fileno,
		3552	poll => 'r',
		3553	prio => 0,
		3554	data => WF_AUTOCANCEL,
		3555	cb => \&BDB::poll_cb,
		3556	);
		3557
		3558	BDB::set_sync_prepare {
		3559	my $status;
		3560	my $current = $Coro::current;
		3561	(
		3562	sub {
		3563	$status = $!;
		3564	$current->ready; undef $current;
		3565	},
		3566	sub {
		3567	Coro::schedule while defined $current;
		3568	$! = $status;
		3569	},
		3570	)
		3571	};
		3572
		3573	unless ($DB_ENV) {
		3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3579
		3580	cf::sync_job {
		3581	eval {
		3582	BDB::db_env_open
		3583	$DB_ENV,
		3584	$BDBDIR,
		3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3587	0666;
		3588
		3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3590	};
		3591
		3592	cf::cleanup "db_env_open(db): $@" if $@;
		3593	};
		3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
		3626	}
		3627
		3628	{
		3629	IO::AIO::min_parallel 8;
		3630
		3631	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3632	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3634	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2452	after => 0,	3636	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3637	poll => 'r',
2454	cb => sub {	3638	prio => 0,
2455	(Coro::unblock_sub {	3639	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3640	);
2457	or warn "ERROR: unable to write runtime file: $!";	3641	}
		3642
		3643	my $_log_backtrace;
		3644
		3645	sub _log_backtrace {
		3646	my ($msg, @addr) = @_;
		3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
2458	})->();	3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3680	}
2460	);	3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
2461		3685
2462	END { cf::emergency_save }	3686	END { cf::emergency_save }
2463		3687
2464	1	3688	1
2465		3689

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