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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 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 3.5 ();	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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	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.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	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
136	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
137	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.
138	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.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		206
163	# 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
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$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;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	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
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($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#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$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;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	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)
298	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
299	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.
300		415
301	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
302	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
303	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
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
329	Coro::cede or Event::one_event;	452	Event::one_event;
330	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
331		462
332	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
333	} else {	464	} else {
334	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
335		466
…		…
355	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
356		487
357	$coro	488	$coro
358	}	489	}
359		490
360	sub write_runtime {	491	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		492
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
364	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
365		497
366	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		499
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
371	and return;	501	my ($cb, @args) = @_;
372		502
373	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
375	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
376		506
377	close $fh	507	my @res = Coro::Util::fork_eval {
378	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
379		511
380	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
381	and return;	513	}
382		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
383	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	651	}
385		652
386	=back	653	=back
387		654
388	=cut	655	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
397		664
398	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	667	Crossfire TRT).
401		668
402	=over 4	669	=over 4
403		670
404	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
405		672
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
569		836
570	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		841
575	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	843	my $pkg = shift @arg;
577		844
578	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
608	}	875	}
609		876
610	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
611	} else {	878	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	880	}
614		881
615	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
616	}	883	}
617		884
…		…
619	if (ref $_[0]) {	886	if (ref $_[0]) {
620	_object_attach @_;	887	_object_attach @_;
621	} else {	888	} else {
622	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
623	}	890	}
		891	_recalc_want;
624	};	892	};
625		893
626	# all those should be optimised	894	# all those should be optimised
627	sub cf::attachable::detach {	895	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
632	reattach ($obj);	900	reattach ($obj);
633	} else {	901	} else {
634	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
635	}	903	}
		904	_recalc_want;
636	};	905	};
637		906
638	sub cf::attachable::attached {	907	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
640		909
…		…
655	";	924	";
656	die if $@;	925	die if $@;
657	}	926	}
658		927
659	our $override;	928	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		930
662	sub override {	931	sub override {
663	$override = 1;	932	$override = 1;
664	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
665	}	934	}
666		935
667	sub do_invoke {	936	sub do_invoke {
668	my $event = shift;	937	my $event = shift;
669	my $callbacks = shift;	938	my $callbacks = shift;
670		939
671	@invoke_results = ();	940	@INVOKE_RESULTS = ();
672		941
673	local $override;	942	local $override;
674		943
675	for (@$callbacks) {	944	for (@$callbacks) {
676	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
693		962
694	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
695		964
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		968
700	=back	969	=back
701		970
702	=cut	971	=cut
703		972
704	#############################################################################	973	#############################################################################
705	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
706		1017
707	sub reattach {	1018	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1020	my ($obj) = @_;
710		1021
…		…
757	sub object_freezer_save {	1068	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
759		1070
760	sync_job {	1071	sync_job {
761	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
764		1076
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1081	close $fh;
770		1082
771	if (@$objs) {	1083	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1089	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
779	}	1091	}
…		…
787	}	1099	}
788	} else {	1100	} else {
789	aio_unlink $filename;	1101	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
791	}	1103	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1104	};
799	}	1105	}
800		1106
801	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
803		1109
…		…
808		1114
809	sub object_thawer_load {	1115	sub object_thawer_load {
810	my ($filename) = @_;	1116	my ($filename) = @_;
811		1117
812	my ($data, $av);	1118	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1119
817	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
818	or return;	1121	or return;
819		1122
820	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
822	or return;	1125	or return;
		1126
823	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
824	}	1129	}
825		1130
		1131	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
828	return ($data, $av);	1135	($data, $av)
829	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
830		1143
831	#############################################################################	1144	#############################################################################
832	# command handling &c	1145	# command handling &c
833		1146
834	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1161	}
849		1162
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1164
852	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
853		1170
854	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
855	called.	1172	called.
856		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
857	=cut	1185	=cut
858		1186
859	sub register_extcmd {	1187	sub register_extcmd {
860	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
861		1189
862	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
863	}	1197	}
864		1198
865	cf::player->attach (	1199	cf::player->attach (
866	on_command => sub {	1200	on_command => sub {
867	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1210	cf::override;
877	},	1211	},
878	on_extcmd => sub {	1212	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
880		1214
881	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1216
883	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
889	} else {	1232	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1234	}
892		1235
893	cf::override;	1236	cf::override;
894	},	1237	},
895	);	1238	);
896		1239
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
932	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1245	next unless -r $path;
934	eval {	1246
935	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
936	1	1304	}
937	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
938	}	1310	};
939	}	1311	}
940		1312
941	#############################################################################	1313	#############################################################################
942		1314
		1315	=back
		1316
943	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
944		1318
945	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
946		1320
947	=cut	1321	=cut
…		…
952		1326
953	=head3 cf::player	1327	=head3 cf::player
954		1328
955	=over 4	1329	=over 4
956		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
957	=item cf::player::find $login	1345	=item cf::player::find $login
958		1346
959	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
960		1348
961	=cut	1349	=cut
962		1350
963	sub playerdir($) {	1351	sub playerdir($) {
964	cf::localdir	1352	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1354	}
970		1355
971	sub path($) {	1356	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1358
974	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
975	}	1360	}
976		1361
977	sub find_active($) {	1362	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1377	my $login = $_[0];
993		1378
994	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
995		1380
996	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
998	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1000	}	1397	}
1001	}	1398	}
1002	}	1399	}
1003		1400
…		…
1013		1410
1014	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1016		1413
1017	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1018	Coro::cede;	1415	cf::cede_to_tick;
1019	}	1416	}
1020		1417
1021	sub new($) {	1418	sub new($) {
1022	my ($login) = @_;	1419	my ($login) = @_;
1023		1420
…		…
1029	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1030		1427
1031	$self	1428	$self
1032	}	1429	}
1033		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1034	=item $pl->quit_character	1441	=item $pl->quit_character
1035		1442
1036	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1038		1445
1039	=cut	1446	=cut
1040		1447
1041	sub quit_character {	1448	sub quit_character {
1042	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1043		1452
1044	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1455
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1057	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1058	}	1487	}
1059		1488
1060	=item cf::player::list_logins	1489	=item cf::player::list_logins
1061		1490
1062	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1064		1493
1065	=cut	1494	=cut
1066		1495
1067	sub list_logins {	1496	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1498	or return [];
1070		1499
1071	my @logins;	1500	my @logins;
1072		1501
1073	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1077		1511
1078	utf8::decode $login;	1512	utf8::decode $login;
1079	push @logins, $login;	1513	push @logins, $login;
1080	}	1514	}
1081		1515
…		…
1108	}	1542	}
1109		1543
1110	\@paths	1544	\@paths
1111	}	1545	}
1112		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1114		1599
1115	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1116		1601
1117	=cut	1602	=cut
1118		1603
1119	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1121		1606
1122	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1608	}
1126		1609
1127	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1128		1650
1129	=back	1651	=back
1130
1131		1652
1132	=head3 cf::map	1653	=head3 cf::map
1133		1654
1134	=over 4	1655	=over 4
1135		1656
…		…
1190	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1191		1712
1192	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1193	local $self->{path};	1714	local $self->{path};
1194	local $self->{load_path};	1715	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1716
1198	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1199	}	1718	}
1200		1719
1201	sub normalise {	1720	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1249	return $self;	1768	return $self;
1250	}	1769	}
1251	}	1770	}
1252		1771
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1773	()
1255	}	1774	}
1256		1775
1257	sub init {	1776	sub init {
1258	my ($self) = @_;	1777	my ($self) = @_;
…		…
1273		1792
1274	# the original (read-only) location	1793	# the original (read-only) location
1275	sub load_path {	1794	sub load_path {
1276	my ($self) = @_;	1795	my ($self) = @_;
1277		1796
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1279	}	1798	}
1280		1799
1281	# the temporary/swap location	1800	# the temporary/swap location
1282	sub save_path {	1801	sub save_path {
1283	my ($self) = @_;	1802	my ($self) = @_;
1284		1803
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1287	}	1806	}
1288		1807
1289	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1290	sub uniq_path {	1809	sub uniq_path {
1291	my ($self) = @_;	1810	my ($self) = @_;
1292		1811
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1295	}	1814	}
1296		1815
1297	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1298	# all maps in C++...	1817	# all maps in C++...
1299	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1301		1820
1302	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1304	}	1823	}
1305		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1306	sub unlink_save {	1833	sub unlink_save {
1307	my ($self) = @_;	1834	my ($self) = @_;
1308		1835
1309	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1839	}
1318		1840
1319	sub load_header_from($) {	1841	sub load_header_from($) {
1320	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1321		1843
1322	utf8::encode $path;	1844	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1328		1853
1329	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1330		1855
1331	1	1856	1
1332	}	1857	}
…		…
1371	$self->load_header_orig	1896	$self->load_header_orig
1372	or return;	1897	or return;
1373	$self->prepare_orig;	1898	$self->prepare_orig;
1374	}	1899	}
1375		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1376	1	1907	1
1377	}	1908	}
1378		1909
1379	sub find;	1910	sub find;
1380	sub find {	1911	sub find {
1381	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1382		1913
1383	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1384		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1386		1918
1387	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1389	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1390	or return;	1924	or return;
1391		1925
1392	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1393		1927
1394	$map->load_header	1928	$map->load_header
1395	or return;	1929	or return;
1396		1930
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1400	$map->reset;	1936	$map->reset;
1401	undef $guard;
1402	return find $path;	1937	return find $path;
1403	}	1938	}
1404		1939
1405	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1406	}	1941	}
…		…
1413	my ($self) = @_;	1948	my ($self) = @_;
1414		1949
1415	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1416		1951
1417	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1419		1956
		1957	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1959
1422	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1423		1961
1424	$self->alloc;	1962	$self->alloc;
1425		1963
1426	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1427		1966
1428	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1429	or return;	1970	or return;
1430		1971
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1973	if delete $self->{load_original};
1433		1974
1434	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1976	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1979	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1439	}	1983	}
1440	}	1984	}
1441		1985
1442	Coro::cede;	1986	$f->resolve_delayed_derefs;
1443		1987
		1988	cf::cede_to_tick;
1444	# now do the right thing for maps	1989	# now do the right thing for maps
1445	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1992	unless $self->difficulty;
1455	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1456	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2009	}
1458		2010
1459	$self->post_load;	2011	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2012	}
1463		2013
1464	sub customise_for {	2014	sub customise_for {
1465	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1466		2016
1467	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2018	if $self->per_player;
1469		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1470	$self	2023	$self
1471	}	2024	}
1472		2025
1473	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2027	sub load_neighbours {
1475	my ($map) = @_;	2028	my ($map) = @_;
1476		2029
1477	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1478		2031
1479	for (0 .. 3) {	2032	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1481	or next;	2034	or next;
1482	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1483	or next;	2036	or next;
1484	$neigh->load;	2037	$neigh->load;
1485		2038
		2039	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2042	}
1489		2043
1490	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1492	or next;	2047	or next;
1493	$neigh->load;	2048	$neigh->load;
1494	}	2049	}
1495	}	2050	}
1496		2051
…		…
1501	}	2056	}
1502		2057
1503	sub do_load_sync {	2058	sub do_load_sync {
1504	my ($map) = @_;	2059	my ($map) = @_;
1505		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1506	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1507	}	2065	}
1508		2066
1509	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1511		2069
1512	sub find_async {	2070	sub find_async {
1513	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1514		2072
1515	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1516		2074
1517	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2077	}
1520		2078
1521	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1522	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1523	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2086	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2087	$map->load if $v;
		2088	}
1528		2089
1529	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1530	}	2091	}
1531	}	2092	}
1532	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1533	};	2094	};
1534	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2098	}
1538		2099
1539	sub save {	2100	sub save {
1540	my ($self) = @_;	2101	my ($self) = @_;
1541		2102
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2104
1544	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1545		2106
1546	return unless $self->dirty;	2107	return unless $self->dirty;
1547		2108
…		…
1553	return if $self->{deny_save};	2114	return if $self->{deny_save};
1554		2115
1555	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1556		2117
1557	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1559	};	2121	};
1560		2122
1561	if ($uniq) {	2123	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2132	my ($self) = @_;
1571		2133
1572	# save first because save cedes	2134	# save first because save cedes
1573	$self->save;	2135	$self->save;
1574		2136
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2138
1577	return if $self->players;	2139	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2141	return if $self->{deny_save};
1580		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2147	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2148	}
1584		2149
1585	sub reset_at {	2150	sub reset_at {
1586	my ($self) = @_;	2151	my ($self) = @_;
1587		2152
1588	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1591		2155
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2158
…		…
1605	my ($self) = @_;	2169	my ($self) = @_;
1606		2170
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2172
1609	return if $self->players;	2173	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2174
1612	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1613		2176
1614	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1615		2178
1616	# need to save uniques path	2179	# need to save uniques path
1617	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2184	if $uniq;
1622	}	2185	}
1623		2186
1624	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1625		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2191	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2192
1630	$self->unlink_save;	2193	$self->unlink_save;
1631	$self->destroy;	2194	$self->destroy;
1632	}	2195	}
1633		2196
1634	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1635		2198
1636	sub nuke {	2199	sub nuke {
1637	my ($self) = @_;	2200	my ($self) = @_;
1638		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1639	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1640		2206
1641	$self->unlink_save;	2207	$self->unlink_save;
1642		2208
1643	bless $self, "cf::map";	2209	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2214
1649	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1650		2217
1651	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1652	}	2255	}
1653		2256
1654	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1655		2258
1656	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2260	instantiated unique items. May block.
1658		2261
1659	=cut	2262	=cut
1660		2263
1661	sub unique_maps() {	2264	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1663	or return;	2266	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2267	utf8::decode $_;
1669	next if /\.pst$/;	2268	/\.map$/
1670	next unless /^$PATH_SEP/o;	2269	? normalise $_
1671		2270	: ()
1672	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2272	]
1674
1675	\@paths
1676	}	2273	}
1677		2274
1678	package cf;	2275	package cf;
1679		2276
1680	=back	2277	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1699	}	2296	}
1700		2297
1701	sub inv_recursive {	2298	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1703	}	2328	}
1704		2329
1705	package cf;	2330	package cf;
1706		2331
1707	=back	2332	=back
…		…
1726		2351
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2353
1729	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1731	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1734	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1735	}	2379	}
1736		2380
1737	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1738		2382
1739	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1787		2431
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2433
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1792		2436
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2438	}
1795		2439
1796	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1798		2444
1799	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1800		2446
1801	unless ($map) {	2447	unless ($map) {
1802	# restore original map position	2448	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1819		2465
1820	$map->load;	2466	$map->load;
1821	$map->load_diag;	2467	$map->load_neighbours;
1822		2468
1823	return unless $self->contr->active;	2469	return unless $self->contr->active;
1824	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1826	}	2474	}
1827		2475
1828	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2477
1832	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1836	};	2482	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2483
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1863		2487
1864	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2493
1867	$self->enter_link;	2494	$self->enter_link;
1868		2495
1869	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1870	my $map = eval {	2518	my $map = eval {
1871	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1873	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2534	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1878	})->prio (1);	2542	})->prio (1);
1879	}	2543	}
1880		2544
1881	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1882		2546
…		…
1921		2585
1922	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1923		2587
1924	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1927		2591
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2594	undef $fh;
1931	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1940		2604
1941	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1942		2606
1943	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1946	}	2612	}
1947		2613
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1951		2617
1952	$self->enter_link;	2618	$self->enter_link;
1953		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1954	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1955	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2628	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1958		2630
1959	1;	2631	1;
1960	}) {	2632	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2637
1966	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2639	$self->leave_link;
1968	}	2640	}
1969	})->prio (1);	2641	})->prio (1);
…		…
1982		2654
1983	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1985		2657
1986	utf8::encode $text;	2658	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2660	}
1989		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
		2761	=item $client->ext_msg ($type, @msg)
		2762
		2763	Sends an ext event to the client.
		2764
		2765	=cut
		2766
		2767	sub cf::client::ext_msg($$@) {
		2768	my ($self, $type, @msg) = @_;
		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
		2773	push @msg, msgtype => "event_$type";
		2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
		2794	}
1990		2795
1991	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
1992		2797
1993	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2801
1997	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2803	become reliable at some point in the future.
1999		2804
2000	=cut	2805	=cut
2001		2806
2002	sub cf::client::query {	2807	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2816	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2818
2014	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
2016	}	2823	}
2017		2824
2018	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
2019	on_reply => sub {	2831	on_reply => sub {
2020	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
2021		2833
2022	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
2023	# get handled first	2835	# get handled first
…		…
2035	} else {	2847	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2849	}
2038	}	2850	}
2039	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2040	);	2878	);
2041		2879
2042	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2043		2881
2044	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2087		2925
2088	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2089		2927
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2091		2933
2092	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2093		2935
2094	=pod	2936	=pod
2095		2937
2096	The following fucntions and emthods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2097		2939
2098	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2099	cf::object::player player	2944	cf::object::player
2100	cf::player peaceful	2945	player
2101	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2102		2952
2103	=cut	2953	=cut
2104		2954
2105	for (	2955	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2110	) {	2962	) {
2111	no strict 'refs';	2963	no strict 'refs';
…		…
2182	=back	3034	=back
2183		3035
2184	=cut	3036	=cut
2185		3037
2186	#############################################################################	3038	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3039	# the server's init and main functions
2260		3040
2261	sub load_resources {	3041	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3042	my ($path) = @_;
		3043
		3044	# HACK to clear player env face cache, we need some signal framework
		3045	# for this (global event?)
		3046	%ext::player_env::MUSIC_FACE_CACHE = ();
		3047
		3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3049
		3050	warn "loading facedata from $path\n";
		3051
		3052	my $facedata;
		3053	0 < aio_load $path, $facedata
		3054	or die "$path: $!";
		3055
		3056	$facedata = Coro::Storable::thaw $facedata;
		3057
		3058	$facedata->{version} == 2
		3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3060
		3061	# patch in the exptable
		3062	$facedata->{resource}{"res/exp_table"} = {
		3063	type => FT_RSRC,
		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3065	};
		3066	cf::cede_to_tick;
		3067
		3068	{
		3069	my $faces = $facedata->{faceinfo};
		3070
		3071	while (my ($face, $info) = each %$faces) {
		3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
		3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	while (my ($face, $info) = each %$faces) {
		3082	next unless $info->{smooth};
		3083	my $idx = cf::face::find $face
		3084	or next;
		3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
		3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3088	} else {
		3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3090	}
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094	}
		3095
		3096	{
		3097	my $anims = $facedata->{animinfo};
		3098
		3099	while (my ($anim, $info) = each %$anims) {
		3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3101	cf::cede_to_tick;
		3102	}
		3103
		3104	cf::anim::invalidate_all; # d'oh
		3105	}
		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
		3156	1
		3157	}
		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
		3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
		3172	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3173	or die "unable to load regions file\n";
2264	}
2265		3174
2266	sub cfg_load {	3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
		3179	}
		3180
		3181	sub reload_facedata {
		3182	load_facedata "$DATADIR/facedata"
		3183	or die "unable to load facedata\n";
		3184	}
		3185
		3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
		3192	load_resource_file "$DATADIR/archetypes"
		3193	or die "unable to load archetypes\n";
		3194	}
		3195
		3196	sub reload_treasures {
		3197	load_resource_file "$DATADIR/treasures"
		3198	or die "unable to load treasurelists\n";
		3199	}
		3200
		3201	sub reload_resources {
		3202	warn "reloading resource files...\n";
		3203
		3204	reload_regions;
		3205	reload_facedata;
		3206	#reload_archetypes;#d#
		3207	reload_archetypes;
		3208	reload_treasures;
		3209
		3210	warn "finished reloading resource files\n";
		3211	}
		3212
		3213	sub init {
		3214	reload_resources;
		3215	}
		3216
		3217	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3219	or return;
2269		3220
2270	local $/;	3221	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
2272		3223
…		…
2282	};	3233	};
2283	warn $@ if $@;	3234	warn $@ if $@;
2284	}	3235	}
2285	}	3236	}
2286		3237
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3238	sub main {
2292	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2296	Event::one_event;	3244	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2298	};	3246	};
2299		3247
2300	cfg_load;	3248	reload_config;
2301	db_init;	3249	db_init;
2302	load_extensions;	3250	load_extensions;
2303		3251
2304	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2305	Event::loop;	3253	Event::loop;
…		…
2321	},	3269	},
2322	);	3270	);
2323	}	3271	}
2324	}	3272	}
2325		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2326	sub emergency_save() {	3312	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2328		3314
2329	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2330		3316
…		…
2334	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3326	$pl->save;
2340	}	3327	}
2341	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2342		3329
2343	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2361		3348
2362	warn Carp::longmess "post_cleanup backtrace"	3349	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3350	if $make_core;
2364	}	3351	}
2365		3352
2366	sub reload() {	3353	sub do_reload_perl() {
2367	# can/must only be called in main	3354	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3356	warn "can only reload from main coroutine";
2370	return;	3357	return;
2371	}	3358	}
2372		3359
2373	warn "reloading...";	3360	warn "reloading...";
2374		3361
2375	warn "entering sync_job";	3362	warn "entering sync_job";
2376		3363
2377	sync_job {	3364	cf::sync_job {
2378	write_runtime;	3365	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3366	cf::emergency_save;
2380	write_runtime;	3367	cf::write_runtime; # external watchdog should not bark
2381		3368
2382	warn "syncing database to disk";	3369	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3370	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3371
2385	# if anything goes wrong in here, we should simply crash as we already saved	3372	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2391		3378
2392	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2393	for (;;) {	3380	for (;;) {
2394	BDB::flush;	3381	BDB::flush;
2395	IO::AIO::flush;	3382	IO::AIO::flush;
2396	Coro::cede;	3383	Coro::cede_notself;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3385	warn "iterate...";
2399	}	3386	}
		3387
		3388	++$RELOAD;
2400		3389
2401	warn "cancelling all extension coros";	3390	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3391	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3392	%EXT_CORO = ();
2404		3393
2405	warn "removing commands";	3394	warn "removing commands";
2406	%COMMAND = ();	3395	%COMMAND = ();
2407		3396
2408	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2410		3400
2411	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2414		3404
…		…
2444	Symbol::delete_package "safe::$_"	3434	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3436
2447	warn "unloading cf.pm \"a bit\"";	3437	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3438	delete $INC{"cf.pm"};
		3439	delete $INC{"cf/pod.pm"};
2449		3440
2450	# don't, removes xs symbols, too,	3441	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3442	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3443	#Symbol::delete_package __PACKAGE__;
2453		3444
…		…
2456	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2457	require cf;	3448	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3450
2460	warn "loading config and database again";	3451	warn "loading config and database again";
2461	cf::cfg_load;	3452	cf::reload_config;
2462		3453
2463	warn "loading extensions";	3454	warn "loading extensions";
2464	cf::load_extensions;	3455	cf::load_extensions;
2465		3456
2466	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3458	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3459	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3460	reattach $_ for values %MAP;
2470		3461	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3462	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3463
2474	warn "leaving sync_job";	3464	warn "leaving sync_job";
2475		3465
2476	1	3466	1
2477	} or do {	3467	} or do {
…		…
2483	warn "reloaded";	3473	warn "reloaded";
2484	};	3474	};
2485		3475
2486	our $RELOAD_WATCHER; # used only during reload	3476	our $RELOAD_WATCHER; # used only during reload
2487		3477
		3478	sub reload_perl() {
		3479	# doing reload synchronously and two reloads happen back-to-back,
		3480	# coro crashes during coro_state_free->destroy here.
		3481
		3482	$RELOAD_WATCHER ||= Event->timer (
		3483	reentrant => 0,
		3484	after => 0,
		3485	data => WF_AUTOCANCEL,
		3486	cb => sub {
		3487	do_reload_perl;
		3488	undef $RELOAD_WATCHER;
		3489	},
		3490	);
		3491	}
		3492
2488	register_command "reload" => sub {	3493	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2490		3495
2491	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
2493		3498	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3499	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3500	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3501	};
2506	}	3502	}
2507	};	3503	};
2508		3504
2509	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2510		3506
2511	my $bug_warning = 0;	3507	my $bug_warning = 0;
		3508
		3509	our @WAIT_FOR_TICK;
		3510	our @WAIT_FOR_TICK_BEGIN;
		3511
		3512	sub wait_for_tick {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK, $signal;
		3518	$signal->wait;
		3519	}
		3520
		3521	sub wait_for_tick_begin {
		3522	return unless $TICK_WATCHER->is_active;
		3523	return if $Coro::current == $Coro::main;
		3524
		3525	my $signal = new Coro::Signal;
		3526	push @WAIT_FOR_TICK_BEGIN, $signal;
		3527	$signal->wait;
		3528	}
2512		3529
2513	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3531	reentrant => 0,
2515	parked => 1,	3532	parked => 1,
2516	prio => 0,	3533	prio => 0,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3539	unless ++$bug_warning > 10;
2523	return;	3540	return;
2524	}	3541	}
2525		3542
2526	$NOW = Event::time;	3543	$NOW = $tick_start = Event::time;
2527		3544
2528	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
		3546
2529	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2531		3549
2532	$WAIT_FOR_TICK->broadcast;	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
		3554	write_runtime
		3555	or warn "ERROR: unable to write runtime file: $!";
		3556	};
		3557	}
2534		3558
2535	# my $AFTER = Event::time;	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2536	# warn $AFTER - $NOW;#d#	3560	$sig->send;
		3561	}
		3562	while (my $sig = shift @WAIT_FOR_TICK) {
		3563	$sig->send;
		3564	}
		3565
		3566	$NOW = Event::time;
2537		3567
2538	# if we are delayed by four ticks or more, skip them all	3568	# if we are delayed by four ticks or more, skip them all
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540		3570
2541	$TICK_WATCHER->at ($NEXT_TICK);	3571	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;	3572	$TICK_WATCHER->start;
		3573
		3574	$LOAD = ($NOW - $tick_start) / $TICK;
		3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3576
		3577	_post_tick;
2543	},	3578	},
2544	);	3579	);
2545		3580
2546	{	3581	{
		3582	BDB::min_parallel 8;
2547	BDB::max_poll_time $TICK * 0.1;	3583	BDB::max_poll_time $TICK * 0.1;
2548	$BDB_POLL_WATCHER = Event->io (	3584	$BDB_POLL_WATCHER = Event->io (
2549	reentrant => 0,	3585	reentrant => 0,
2550	fd => BDB::poll_fileno,	3586	fd => BDB::poll_fileno,
2551	poll => 'r',	3587	poll => 'r',
2552	prio => 0,	3588	prio => 0,
2553	data => WF_AUTOCANCEL,	3589	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,	3590	cb => \&BDB::poll_cb,
2555	);	3591	);
2556	BDB::min_parallel 8;
2557		3592
2558	BDB::set_sync_prepare {	3593	BDB::set_sync_prepare {
2559	my $status;	3594	my $status;
2560	my $current = $Coro::current;	3595	my $current = $Coro::current;
2561	(	3596	(
…		…
2570	)	3605	)
2571	};	3606	};
2572		3607
2573	unless ($DB_ENV) {	3608	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		3614
2576	cf::sync_job {	3615	cf::sync_job {
2577	eval {	3616	eval {
2578	BDB::db_env_open	3617	BDB::db_env_open
2579	$DB_ENV,	3618	$DB_ENV,
2580	$BDB_ENV_DIR,	3619	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3622	0666;
2584		3623
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3625	};
2590		3626
2591	cf::cleanup "db_env_open(db): $@" if $@;	3627	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3628	};
2593	}	3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
2594	}	3661	}
2595		3662
2596	{	3663	{
2597	IO::AIO::min_parallel 8;	3664	IO::AIO::min_parallel 8;
2598		3665
2599	undef $Coro::AIO::WATCHER;	3666	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3667	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
2602	reentrant => 0,	3669	reentrant => 0,
		3670	data => WF_AUTOCANCEL,
2603	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
2604	poll => 'r',	3672	poll => 'r',
2605	prio => 6,	3673	prio => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
2608	);	3675	);
2609	}	3676	}
2610		3677
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3678	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3679
2621	Coro::async_pool {	3680	sub _log_backtrace {
2622	write_runtime	3681	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3682
		3683	$msg =~ s/\n//;
		3684
		3685	# limit the # of concurrent backtraces
		3686	if ($_log_backtrace < 2) {
		3687	++$_log_backtrace;
		3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
		3691	my @bt = fork_call {
		3692	@addr = map { sprintf "%x", $_ } @addr;
		3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3695	or die "addr2line: $!";
		3696
		3697	my @funcs;
		3698	my @res = <$fh>;
		3699	chomp for @res;
		3700	while (@res) {
		3701	my ($func, $line) = splice @res, 0, 2, ();
		3702	push @funcs, "[$func] $line";
		3703	}
		3704
		3705	@funcs
		3706	};
		3707
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] $_\n" for @bt;
		3710	--$_log_backtrace;
2624	};	3711	};
		3712	} else {
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3715	}
2626	);	3716	}
		3717
		3718	# load additional modules
		3719	use cf::pod;
2627		3720
2628	END { cf::emergency_save }	3721	END { cf::emergency_save }
2629		3722
2630	1	3723	1
2631		3724

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