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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		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
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		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;
		397	}
		398
283	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
284		400
285	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
290		406
291	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
292		408
293	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
294		410
295	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)
296	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
297	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.
298		415
299	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
300	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
301	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
302	fast or be very important.	419	fast or be very important.
…		…
305		422
306	sub sync_job(&) {	423	sub sync_job(&) {
307	my ($job) = @_;	424	my ($job) = @_;
308		425
309	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
310	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
312		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
313	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	435	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
316		437
317	my $busy = 1;	438	my $busy = 1;
318	my @res;	439	my @res;
319		440
320	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	443	@res = eval { $job->() };
322	warn $@ if $@;	444	warn $@ if $@;
323	undef $busy;	445	undef $busy;
324	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
325		447
326	while ($busy) {	448	while ($busy) {
327	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
328	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
329		458
330	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
331	} else {	460	} else {
332	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
333		462
…		…
353	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
354		483
355	$coro	484	$coro
356	}	485	}
357		486
358	sub write_runtime {	487	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		488
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
362	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
363		493
364	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		495
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
369	and return;	497	my ($cb, @args) = @_;
370		498
371	# always fsync - this file is important	499	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	500	# otherwise perl prematurely frees the stuff :/
373	and return;	501	# TODO: investigate and fix (likely this will be rather laborious)
374		502
375	close $fh	503	my @res = Coro::Util::fork_eval {
376	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
377		507
378	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
379	and return;	509	}
380		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
381	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	647	}
383		648
384	=back	649	=back
385		650
386	=cut	651	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
395		660
396	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	663	Crossfire TRT).
399		664
400	=over 4	665	=over 4
401		666
402	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
403		668
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
567		832
568	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		837
573	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	839	my $pkg = shift @arg;
575		840
576	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
606	}	871	}
607		872
608	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
609	} else {	874	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	876	}
612		877
613	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
614	}	879	}
615		880
…		…
617	if (ref $_[0]) {	882	if (ref $_[0]) {
618	_object_attach @_;	883	_object_attach @_;
619	} else {	884	} else {
620	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
621	}	886	}
		887	_recalc_want;
622	};	888	};
623		889
624	# all those should be optimised	890	# all those should be optimised
625	sub cf::attachable::detach {	891	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
630	reattach ($obj);	896	reattach ($obj);
631	} else {	897	} else {
632	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
633	}	899	}
		900	_recalc_want;
634	};	901	};
635		902
636	sub cf::attachable::attached {	903	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
638		905
…		…
653	";	920	";
654	die if $@;	921	die if $@;
655	}	922	}
656		923
657	our $override;	924	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		926
660	sub override {	927	sub override {
661	$override = 1;	928	$override = 1;
662	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
663	}	930	}
664		931
665	sub do_invoke {	932	sub do_invoke {
666	my $event = shift;	933	my $event = shift;
667	my $callbacks = shift;	934	my $callbacks = shift;
668		935
669	@invoke_results = ();	936	@INVOKE_RESULTS = ();
670		937
671	local $override;	938	local $override;
672		939
673	for (@$callbacks) {	940	for (@$callbacks) {
674	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
691		958
692	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
693		960
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		964
698	=back	965	=back
699		966
700	=cut	967	=cut
701		968
702	#############################################################################	969	#############################################################################
703	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
704		987
705	sub reattach {	988	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	990	my ($obj) = @_;
708		991
…		…
755	sub object_freezer_save {	1038	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
757		1040
758	sync_job {	1041	sync_job {
759	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
762		1046
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1051	close $fh;
768		1052
769	if (@$objs) {	1053	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1059	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
777	}	1061	}
…		…
785	}	1069	}
786	} else {	1070	} else {
787	aio_unlink $filename;	1071	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
789	}	1073	}
790	}	1074	};
791	}	1075	}
792		1076
793	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
795		1079
…		…
807	or return;	1091	or return;
808		1092
809	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
811	or return;	1095	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };
813	}
814		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
817	return ($data, $av);	1106	($data, $av)
818	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
819		1114
820	#############################################################################	1115	#############################################################################
821	# command handling &c	1116	# command handling &c
822		1117
823	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1132	}
838		1133
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1135
841	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
842		1141
843	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
844	called.	1143	called.
845		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
846	=cut	1156	=cut
847		1157
848	sub register_extcmd {	1158	sub register_extcmd {
849	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
850		1160
851	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
852	}	1168	}
853		1169
854	cf::player->attach (	1170	cf::player->attach (
855	on_command => sub {	1171	on_command => sub {
856	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1181	cf::override;
866	},	1182	},
867	on_extcmd => sub {	1183	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
869		1185
870	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1187
872	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
878	} else {	1203	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1205	}
881		1206
882	cf::override;	1207	cf::override;
883	},	1208	},
884	);	1209	);
885		1210
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
921	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1216	next unless -r $path;
923	eval {	1217
924	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
925	1	1275	}
926	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
927	}	1281	};
928	}	1282	}
929		1283
930	#############################################################################	1284	#############################################################################
931		1285
		1286	=back
		1287
932	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
933		1289
934	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
935		1291
936	=cut	1292	=cut
…		…
941		1297
942	=head3 cf::player	1298	=head3 cf::player
943		1299
944	=over 4	1300	=over 4
945		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
946	=item cf::player::find $login	1316	=item cf::player::find $login
947		1317
948	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
949		1319
950	=cut	1320	=cut
951		1321
952	sub playerdir($) {	1322	sub playerdir($) {
953	cf::localdir	1323	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1325	}
959		1326
960	sub path($) {	1327	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1329
963	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
964	}	1331	}
965		1332
966	sub find_active($) {	1333	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1348	my $login = $_[0];
982		1349
983	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
984		1351
985	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
987	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
989	}	1368	}
990	}	1369	}
991	}	1370	}
992		1371
…		…
1002		1381
1003	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1005		1384
1006	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1007	Coro::cede;	1386	cf::cede_to_tick;
1008	}	1387	}
1009		1388
1010	sub new($) {	1389	sub new($) {
1011	my ($login) = @_;	1390	my ($login) = @_;
1012		1391
…		…
1018	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1019		1398
1020	$self	1399	$self
1021	}	1400	}
1022		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
		1410	}
		1411
1023	=item $pl->quit_character	1412	=item $pl->quit_character
1024		1413
1025	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1415	be destroyed. May block for a long time.
1027		1416
1028	=cut	1417	=cut
1029		1418
1030	sub quit_character {	1419	sub quit_character {
1031	my ($pl) = @_;	1420	my ($pl) = @_;
		1421
		1422	my $name = $pl->ob->name;
1032		1423
1033	$pl->{deny_save} = 1;	1424	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1425	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1426
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1432	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1433	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1434	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1435	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1436	$pl->destroy;
		1437
		1438	my $prefix = qr<^~\Q$name\E/>;
		1439
		1440	# nuke player maps
		1441	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1442
1046	IO::AIO::aio_rmtree $temp;	1443	IO::AIO::aio_rmtree $temp;
		1444	}
		1445
		1446	=item $pl->kick
		1447
		1448	Kicks a player out of the game. This destroys the connection.
		1449
		1450	=cut
		1451
		1452	sub kick {
		1453	my ($pl, $kicker) = @_;
		1454
		1455	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1456	$pl->killer ("kicked");
		1457	$pl->ns->destroy;
1047	}	1458	}
1048		1459
1049	=item cf::player::list_logins	1460	=item cf::player::list_logins
1050		1461
1051	Returns am arrayref of all valid playernames in the system, can take a	1462	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1053		1464
1054	=cut	1465	=cut
1055		1466
1056	sub list_logins {	1467	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1469	or return [];
1059		1470
1060	my @logins;	1471	my @logins;
1061		1472
1062	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1066		1482
1067	utf8::decode $login;	1483	utf8::decode $login;
1068	push @logins, $login;	1484	push @logins, $login;
1069	}	1485	}
1070		1486
…		…
1097	}	1513	}
1098		1514
1099	\@paths	1515	\@paths
1100	}	1516	}
1101		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1103		1570
1104	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1105		1572
1106	=cut	1573	=cut
1107		1574
1108	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1110		1577
1111	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1579	}
1115		1580
1116	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1117		1621
1118	=back	1622	=back
1119
1120		1623
1121	=head3 cf::map	1624	=head3 cf::map
1122		1625
1123	=over 4	1626	=over 4
1124		1627
…		…
1179	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1180		1683
1181	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1182	local $self->{path};	1685	local $self->{path};
1183	local $self->{load_path};	1686	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1687
1187	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1188	}	1689	}
1189		1690
1190	sub normalise {	1691	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1238	return $self;	1739	return $self;
1239	}	1740	}
1240	}	1741	}
1241		1742
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1744	()
1244	}	1745	}
1245		1746
1246	sub init {	1747	sub init {
1247	my ($self) = @_;	1748	my ($self) = @_;
…		…
1262		1763
1263	# the original (read-only) location	1764	# the original (read-only) location
1264	sub load_path {	1765	sub load_path {
1265	my ($self) = @_;	1766	my ($self) = @_;
1266		1767
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1268	}	1769	}
1269		1770
1270	# the temporary/swap location	1771	# the temporary/swap location
1271	sub save_path {	1772	sub save_path {
1272	my ($self) = @_;	1773	my ($self) = @_;
1273		1774
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1276	}	1777	}
1277		1778
1278	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1279	sub uniq_path {	1780	sub uniq_path {
1280	my ($self) = @_;	1781	my ($self) = @_;
1281		1782
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1284	}	1785	}
1285		1786
1286	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1287	# all maps in C++...	1788	# all maps in C++...
1288	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1290		1791
1291	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1293	}	1794	}
1294		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1295	sub unlink_save {	1804	sub unlink_save {
1296	my ($self) = @_;	1805	my ($self) = @_;
1297		1806
1298	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1811
1303	sub load_header_from($) {	1812	sub load_header_from($) {
1304	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1305		1814
1306	utf8::encode $path;	1815	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1312		1824
1313	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1314		1826
1315	1	1827	1
1316	}	1828	}
…		…
1355	$self->load_header_orig	1867	$self->load_header_orig
1356	or return;	1868	or return;
1357	$self->prepare_orig;	1869	$self->prepare_orig;
1358	}	1870	}
1359		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1360	1	1878	1
1361	}	1879	}
1362		1880
1363	sub find;	1881	sub find;
1364	sub find {	1882	sub find {
1365	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1366		1884
1367	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1368		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1370		1889
1371	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1373	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1374	or return;	1895	or return;
1375		1896
1376	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1377		1898
1378	$map->load_header	1899	$map->load_header
1379	or return;	1900	or return;
1380		1901
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1384	$map->reset;	1907	$map->reset;
1385	undef $guard;
1386	return find $path;	1908	return find $path;
1387	}	1909	}
1388		1910
1389	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1390	}	1912	}
…		…
1397	my ($self) = @_;	1919	my ($self) = @_;
1398		1920
1399	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1400		1922
1401	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1403		1927
		1928	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1930
1406	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1407		1932
1408	$self->alloc;	1933	$self->alloc;
1409		1934
1410	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1411		1937
1412	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1413	or return;	1941	or return;
1414		1942
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	1944	if delete $self->{load_original};
1417		1945
1418	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	1947	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	1950	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1423	}	1954	}
1424	}	1955	}
1425		1956
1426	Coro::cede;	1957	$f->resolve_delayed_derefs;
1427		1958
		1959	cf::cede_to_tick;
1428	# now do the right thing for maps	1960	# now do the right thing for maps
1429	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1963	unless $self->difficulty;
1439	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1440	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1980	}
1442		1981
1443	$self->post_load;	1982	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1983	}
1447		1984
1448	sub customise_for {	1985	sub customise_for {
1449	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1450		1987
1451	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1989	if $self->per_player;
1453		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1454	$self	1994	$self
1455	}	1995	}
1456		1996
1457	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	1998	sub load_neighbours {
1459	my ($map) = @_;	1999	my ($map) = @_;
1460		2000
1461	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1462		2002
1463	for (0 .. 3) {	2003	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1465	or next;	2005	or next;
1466	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1467	or next;	2007	or next;
1468	$neigh->load;	2008	$neigh->load;
1469		2009
		2010	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2013	}
1473		2014
1474	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1476	or next;	2018	or next;
1477	$neigh->load;	2019	$neigh->load;
1478	}	2020	}
1479	}	2021	}
1480		2022
…		…
1485	}	2027	}
1486		2028
1487	sub do_load_sync {	2029	sub do_load_sync {
1488	my ($map) = @_;	2030	my ($map) = @_;
1489		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1490	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1491	}	2036	}
1492		2037
1493	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1495		2040
1496	sub find_async {	2041	sub find_async {
1497	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1498		2043
1499	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1500		2045
1501	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2048	}
1504		2049
1505	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1506	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1507	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2057	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2058	$map->load if $v;
		2059	}
1512		2060
1513	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1514	}	2062	}
1515	}	2063	}
1516	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1517	};	2065	};
1518	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2069	}
1522		2070
1523	sub save {	2071	sub save {
1524	my ($self) = @_;	2072	my ($self) = @_;
1525		2073
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2075
1528	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1529		2077
1530	return unless $self->dirty;	2078	return unless $self->dirty;
1531		2079
…		…
1537	return if $self->{deny_save};	2085	return if $self->{deny_save};
1538		2086
1539	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1540		2088
1541	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1543	};	2092	};
1544		2093
1545	if ($uniq) {	2094	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1554	my ($self) = @_;	2103	my ($self) = @_;
1555		2104
1556	# save first because save cedes	2105	# save first because save cedes
1557	$self->save;	2106	$self->save;
1558		2107
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2109
1561	return if $self->players;	2110	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2112	return if $self->{deny_save};
1564		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2118	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2119	}
1568		2120
1569	sub reset_at {	2121	sub reset_at {
1570	my ($self) = @_;	2122	my ($self) = @_;
1571		2123
1572	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1575		2126
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2129
…		…
1589	my ($self) = @_;	2140	my ($self) = @_;
1590		2141
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2143
1593	return if $self->players;	2144	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2145
1596	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1597		2147
1598	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1599		2149
1600	# need to save uniques path	2150	# need to save uniques path
1601	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2155	if $uniq;
1606	}	2156	}
1607		2157
1608	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1609		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2162	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2163
1614	$self->unlink_save;	2164	$self->unlink_save;
1615	$self->destroy;	2165	$self->destroy;
1616	}	2166	}
1617		2167
1618	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1619		2169
1620	sub nuke {	2170	sub nuke {
1621	my ($self) = @_;	2171	my ($self) = @_;
1622		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1623	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1624		2177
1625	$self->unlink_save;	2178	$self->unlink_save;
1626		2179
1627	bless $self, "cf::map";	2180	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2185
1633	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1634		2188
1635	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1636	}	2226	}
1637		2227
1638	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1639		2229
1640	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2231	instantiated unique items. May block.
1642		2232
1643	=cut	2233	=cut
1644		2234
1645	sub unique_maps() {	2235	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1647	or return;	2237	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2238	utf8::decode $_;
1653	next if /\.pst$/;	2239	/\.map$/
1654	next unless /^$PATH_SEP/o;	2240	? normalise $_
1655		2241	: ()
1656	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2243	]
1658
1659	\@paths
1660	}	2244	}
1661		2245
1662	package cf;	2246	package cf;
1663		2247
1664	=back	2248	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1683	}	2267	}
1684		2268
1685	sub inv_recursive {	2269	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1687	}	2299	}
1688		2300
1689	package cf;	2301	package cf;
1690		2302
1691	=back	2303	=back
…		…
1710		2322
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2324
1713	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1715	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1718	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1719	}	2350	}
1720		2351
1721	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1722		2353
1723	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1771		2402
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2404
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1776		2407
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2409	}
1779		2410
1780	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1782		2415
1783	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1784		2417
1785	unless ($map) {	2418	unless ($map) {
1786	# restore original map position	2419	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1803		2436
1804	$map->load;	2437	$map->load;
1805	$map->load_diag;	2438	$map->load_neighbours;
1806		2439
1807	return unless $self->contr->active;	2440	return unless $self->contr->active;
1808	$self->activate_recursive;	2441	$self->activate_recursive;
1809		2442
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1812	}	2445	}
1813		2446
1814	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2448
1818	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1822	};	2453	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2454
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1849		2458
1850	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2464
1853	$self->enter_link;	2465	$self->enter_link;
1854		2466
1855	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1856	my $map = eval {	2489	my $map = eval {
1857	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1859	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2505	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1864	})->prio (1);	2513	})->prio (1);
1865	}	2514	}
1866		2515
1867	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1868		2517
…		…
1907		2556
1908	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1909		2558
1910	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1913		2562
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2565	undef $fh;
1917	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1926		2575
1927	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1928		2577
1929	if ($exit->slaying eq "/!") {	2578	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2582	cf::sync_job { prepare_random_map $exit };
1932	}	2583	}
1933		2584
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1937		2588
1938	$self->enter_link;	2589	$self->enter_link;
1939		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1940	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1941	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2599	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1944		2601
1945	1;	2602	1;
1946	}) {	2603	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2608
1952	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2610	$self->leave_link;
1954	}	2611	}
1955	})->prio (1);	2612	})->prio (1);
…		…
1968		2625
1969	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1971		2628
1972	utf8::encode $text;	2629	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2631	}
1975		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
1976		2760
1977	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
1978		2762
1979	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2766
1983	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2768	become reliable at some point in the future.
1985		2769
1986	=cut	2770	=cut
1987		2771
1988	sub cf::client::query {	2772	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2781	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2783
2000	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2002	}	2788	}
2003		2789
2004	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2005	on_reply => sub {	2796	on_reply => sub {
2006	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2007		2798
2008	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2009	# get handled first	2800	# get handled first
…		…
2021	} else {	2812	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2814	}
2024	}	2815	}
2025	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2026	);	2843	);
2027		2844
2028	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2029		2846
2030	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2073		2890
2074	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2075		2892
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2077		2898
2078	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2079		2900
2080	=pod	2901	=pod
2081		2902
2082	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2083		2904
2084	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2085	cf::object::player player	2909	cf::object::player
2086	cf::player peaceful	2910	player
2087	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2088		2917
2089	=cut	2918	=cut
2090		2919
2091	for (	2920	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2093	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2096	) {	2927	) {
2097	no strict 'refs';	2928	no strict 'refs';
…		…
2168	=back	2999	=back
2169		3000
2170	=cut	3001	=cut
2171		3002
2172	#############################################################################	3003	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3004	# the server's init and main functions
2246		3005
2247	sub init_resources {	3006	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3014
		3015	warn "loading facedata from $path\n";
		3016
		3017	my $facedata;
		3018	0 < aio_load $path, $facedata
		3019	or die "$path: $!";
		3020
		3021	$facedata = Coro::Storable::thaw $facedata;
		3022
		3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
		3033	{
		3034	my $faces = $facedata->{faceinfo};
		3035
		3036	while (my ($face, $info) = each %$faces) {
		3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
		3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3042
		3043	cf::cede_to_tick;
		3044	}
		3045
		3046	while (my ($face, $info) = each %$faces) {
		3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
		3056
		3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
		3121	1
		3122	}
		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3138	or die "unable to load regions file\n";
2250	}
2251		3139
2252	sub cfg_load {	3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
		3166	sub reload_resources {
		3167	warn "reloading resource files...\n";
		3168
		3169	reload_regions;
		3170	reload_facedata;
		3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
		3176	}
		3177
		3178	sub init {
		3179	reload_resources;
		3180	}
		3181
		3182	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3184	or return;
2255		3185
2256	local $/;	3186	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2258		3188
…		…
2268	};	3198	};
2269	warn $@ if $@;	3199	warn $@ if $@;
2270	}	3200	}
2271	}	3201	}
2272		3202
2273	sub init {
2274	init_resources;
2275	}
2276
2277	sub main {	3203	sub main {
2278	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2282	Event::one_event;	3209	Event::one_event;
2283	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2284	};	3211	};
2285		3212
2286	cfg_load;	3213	reload_config;
2287	db_init;	3214	db_init;
2288	load_extensions;	3215	load_extensions;
2289		3216
2290	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2291	Event::loop;	3218	Event::loop;
…		…
2307	},	3234	},
2308	);	3235	);
2309	}	3236	}
2310	}	3237	}
2311		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2312	sub emergency_save() {	3277	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2314		3279
2315	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2316		3281
…		…
2320	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3291	$pl->save;
2326	}	3292	}
2327	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2328		3294
2329	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2347		3313
2348	warn Carp::longmess "post_cleanup backtrace"	3314	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3315	if $make_core;
2350	}	3316	}
2351		3317
2352	sub reload() {	3318	sub do_reload_perl() {
2353	# can/must only be called in main	3319	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2356	return;	3322	return;
2357	}	3323	}
…		…
2382	Coro::cede;	3348	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3349	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3350	warn "iterate...";
2385	}	3351	}
2386		3352
		3353	++$RELOAD;
		3354
2387	warn "cancelling all extension coros";	3355	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3356	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3357	%EXT_CORO = ();
2390		3358
2391	warn "removing commands";	3359	warn "removing commands";
2392	%COMMAND = ();	3360	%COMMAND = ();
2393		3361
2394	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2396		3365
2397	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2400		3369
…		…
2430	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3401
2433	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2435		3405
2436	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3407	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2439		3409
…		…
2442	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2443	require cf;	3413	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3415
2446	warn "loading config and database again";	3416	warn "loading config and database again";
2447	cf::cfg_load;	3417	cf::reload_config;
2448		3418
2449	warn "loading extensions";	3419	warn "loading extensions";
2450	cf::load_extensions;	3420	cf::load_extensions;
2451		3421
2452	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3423	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
2456		3426	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3427	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3428
2460	warn "leaving sync_job";	3429	warn "leaving sync_job";
2461		3430
2462	1	3431	1
2463	} or do {	3432	} or do {
…		…
2469	warn "reloaded";	3438	warn "reloaded";
2470	};	3439	};
2471		3440
2472	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2473		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2474	register_command "reload" => sub {	3458	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2476		3460
2477	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2479		3463	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3465	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3466	};
2492	}	3467	}
2493	};	3468	};
2494		3469
2495	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2496		3471
2497	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2498		3494
2499	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3496	reentrant => 0,
2501	parked => 1,	3497	parked => 1,
2502	prio => 0,	3498	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2509	return;	3505	return;
2510	}	3506	}
2511		3507
2512	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2513		3509
2514	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2515	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2517		3514
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3519	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2523	};	3521	};
2524	}	3522	}
2525		3523
2526	$WAIT_FOR_TICK->broadcast;	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
2528		3530
2529	# my $AFTER = Event::time;	3531	$NOW = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531		3532
2532	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3535
2535	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2537	},	3543	},
2538	);	3544	);
2539		3545
2540	{	3546	{
		3547	BDB::min_parallel 8;
2541	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2542	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2543	reentrant => 0,	3550	reentrant => 0,
2544	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2545	poll => 'r',	3552	poll => 'r',
2546	prio => 0,	3553	prio => 0,
2547	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2549	);	3556	);
2550	BDB::min_parallel 8;
2551		3557
2552	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2553	my $status;	3559	my $status;
2554	my $current = $Coro::current;	3560	my $current = $Coro::current;
2555	(	3561	(
…		…
2564	)	3570	)
2565	};	3571	};
2566		3572
2567	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		3579
2570	cf::sync_job {	3580	cf::sync_job {
2571	eval {	3581	eval {
2572	BDB::db_env_open	3582	BDB::db_env_open
2573	$DB_ENV,	3583	$DB_ENV,
2574	$BDB_ENV_DIR,	3584	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3587	0666;
2578		3588
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	3590	};
2584		3591
2585	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	3593	};
2587	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2588	}	3626	}
2589		3627
2590	{	3628	{
2591	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2592		3630
…		…
2595	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2596	reentrant => 0,	3634	reentrant => 0,
2597	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2599	poll => 'r',	3637	poll => 'r',
2600	prio => 6,	3638	prio => 0,
2601	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2602	);	3640	);
2603	}	3641	}
2604		3642
		3643	my $_log_backtrace;
		3644
		3645	sub _log_backtrace {
		3646	my ($msg, @addr) = @_;
		3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
		3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
		3680	}
		3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
		3685
2605	END { cf::emergency_save }	3686	END { cf::emergency_save }
2606		3687
2607	1	3688	1
2608		3689

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