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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 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) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
327	Coro::cede or Event::one_event;	452	Event::one_event;
328	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
329		462
330	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
331	} else {	464	} else {
332	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
333		466
…		…
353	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
354		487
355	$coro	488	$coro
356	}	489	}
357		490
358	sub write_runtime {	491	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		492
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
362	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
363		497
364	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		499
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
369	and return;	501	my ($cb, @args) = @_;
370		502
371	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
373	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
374		506
375	close $fh	507	my @res = Coro::Util::fork_eval {
376	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
377		511
378	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
379	and return;	513	}
380		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
381	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	651	}
383		652
384	=back	653	=back
385		654
386	=cut	655	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
395		664
396	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	667	Crossfire TRT).
399		668
400	=over 4	669	=over 4
401		670
402	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
403		672
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
567		836
568	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		841
573	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	843	my $pkg = shift @arg;
575		844
576	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
606	}	875	}
607		876
608	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
609	} else {	878	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	880	}
612		881
613	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
614	}	883	}
615		884
…		…
617	if (ref $_[0]) {	886	if (ref $_[0]) {
618	_object_attach @_;	887	_object_attach @_;
619	} else {	888	} else {
620	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
621	}	890	}
		891	_recalc_want;
622	};	892	};
623		893
624	# all those should be optimised	894	# all those should be optimised
625	sub cf::attachable::detach {	895	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
630	reattach ($obj);	900	reattach ($obj);
631	} else {	901	} else {
632	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
633	}	903	}
		904	_recalc_want;
634	};	905	};
635		906
636	sub cf::attachable::attached {	907	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
638		909
…		…
653	";	924	";
654	die if $@;	925	die if $@;
655	}	926	}
656		927
657	our $override;	928	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		930
660	sub override {	931	sub override {
661	$override = 1;	932	$override = 1;
662	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
663	}	934	}
664		935
665	sub do_invoke {	936	sub do_invoke {
666	my $event = shift;	937	my $event = shift;
667	my $callbacks = shift;	938	my $callbacks = shift;
668		939
669	@invoke_results = ();	940	@INVOKE_RESULTS = ();
670		941
671	local $override;	942	local $override;
672		943
673	for (@$callbacks) {	944	for (@$callbacks) {
674	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
691		962
692	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
693		964
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		968
698	=back	969	=back
699		970
700	=cut	971	=cut
701		972
702	#############################################################################	973	#############################################################################
703	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
704		1017
705	sub reattach {	1018	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1020	my ($obj) = @_;
708		1021
…		…
755	sub object_freezer_save {	1068	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
757		1070
758	sync_job {	1071	sync_job {
759	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
762		1076
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1081	close $fh;
768		1082
769	if (@$objs) {	1083	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1089	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
777	}	1091	}
…		…
785	}	1099	}
786	} else {	1100	} else {
787	aio_unlink $filename;	1101	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
789	}	1103	}
790	}	1104	};
791	}	1105	}
792		1106
793	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
795		1109
…		…
807	or return;	1121	or return;
808		1122
809	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
811	or return;	1125	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };
813	}
814		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
817	return ($data, $av);	1136	($data, $av)
818	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
819		1144
820	#############################################################################	1145	#############################################################################
821	# command handling &c	1146	# command handling &c
822		1147
823	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1162	}
838		1163
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1165
841	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
842		1171
843	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
844	called.	1173	called.
845		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
846	=cut	1186	=cut
847		1187
848	sub register_extcmd {	1188	sub register_extcmd {
849	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
850		1190
851	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
852	}	1198	}
853		1199
854	cf::player->attach (	1200	cf::player->attach (
855	on_command => sub {	1201	on_command => sub {
856	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1211	cf::override;
866	},	1212	},
867	on_extcmd => sub {	1213	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
869		1215
870	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1217
872	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
878	} else {	1233	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1235	}
881		1236
882	cf::override;	1237	cf::override;
883	},	1238	},
884	);	1239	);
885		1240
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 {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
921	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1246	next unless -r $path;
923	eval {	1247
924	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
925	1	1305	}
926	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
927	}	1311	};
928	}	1312	}
929		1313
930	#############################################################################	1314	#############################################################################
931		1315
		1316	=back
		1317
932	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
933		1319
934	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
935		1321
936	=cut	1322	=cut
…		…
941		1327
942	=head3 cf::player	1328	=head3 cf::player
943		1329
944	=over 4	1330	=over 4
945		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
946	=item cf::player::find $login	1346	=item cf::player::find $login
947		1347
948	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
949		1349
950	=cut	1350	=cut
951		1351
952	sub playerdir($) {	1352	sub playerdir($) {
953	cf::localdir	1353	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1355	}
959		1356
960	sub path($) {	1357	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1359
963	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
964	}	1361	}
965		1362
966	sub find_active($) {	1363	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1378	my $login = $_[0];
982		1379
983	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
984		1381
985	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
987	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
989	}	1398	}
990	}	1399	}
991	}	1400	}
992		1401
…		…
1002		1411
1003	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1005		1414
1006	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1007	Coro::cede;	1416	cf::cede_to_tick;
1008	}	1417	}
1009		1418
1010	sub new($) {	1419	sub new($) {
1011	my ($login) = @_;	1420	my ($login) = @_;
1012		1421
…		…
1018	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1019		1428
1020	$self	1429	$self
1021	}	1430	}
1022		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1023	=item $pl->quit_character	1442	=item $pl->quit_character
1024		1443
1025	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1027		1446
1028	=cut	1447	=cut
1029		1448
1030	sub quit_character {	1449	sub quit_character {
1031	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1032		1453
1033	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1456
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1046	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1047	}	1488	}
1048		1489
1049	=item cf::player::list_logins	1490	=item cf::player::list_logins
1050		1491
1051	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1053		1494
1054	=cut	1495	=cut
1055		1496
1056	sub list_logins {	1497	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1499	or return [];
1059		1500
1060	my @logins;	1501	my @logins;
1061		1502
1062	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1066		1512
1067	utf8::decode $login;	1513	utf8::decode $login;
1068	push @logins, $login;	1514	push @logins, $login;
1069	}	1515	}
1070		1516
…		…
1097	}	1543	}
1098		1544
1099	\@paths	1545	\@paths
1100	}	1546	}
1101		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1103		1600
1104	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1105		1602
1106	=cut	1603	=cut
1107		1604
1108	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1110		1607
1111	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1609	}
1115		1610
1116	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1117		1651
1118	=back	1652	=back
1119
1120		1653
1121	=head3 cf::map	1654	=head3 cf::map
1122		1655
1123	=over 4	1656	=over 4
1124		1657
…		…
1179	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1180		1713
1181	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1182	local $self->{path};	1715	local $self->{path};
1183	local $self->{load_path};	1716	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1717
1187	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1188	}	1719	}
1189		1720
1190	sub normalise {	1721	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1238	return $self;	1769	return $self;
1239	}	1770	}
1240	}	1771	}
1241		1772
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1774	()
1244	}	1775	}
1245		1776
1246	sub init {	1777	sub init {
1247	my ($self) = @_;	1778	my ($self) = @_;
…		…
1262		1793
1263	# the original (read-only) location	1794	# the original (read-only) location
1264	sub load_path {	1795	sub load_path {
1265	my ($self) = @_;	1796	my ($self) = @_;
1266		1797
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1268	}	1799	}
1269		1800
1270	# the temporary/swap location	1801	# the temporary/swap location
1271	sub save_path {	1802	sub save_path {
1272	my ($self) = @_;	1803	my ($self) = @_;
1273		1804
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1276	}	1807	}
1277		1808
1278	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1279	sub uniq_path {	1810	sub uniq_path {
1280	my ($self) = @_;	1811	my ($self) = @_;
1281		1812
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1284	}	1815	}
1285		1816
1286	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1287	# all maps in C++...	1818	# all maps in C++...
1288	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1290		1821
1291	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1293	}	1824	}
1294		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1295	sub unlink_save {	1834	sub unlink_save {
1296	my ($self) = @_;	1835	my ($self) = @_;
1297		1836
1298	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1841
1303	sub load_header_from($) {	1842	sub load_header_from($) {
1304	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1305		1844
1306	utf8::encode $path;	1845	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1312		1854
1313	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1314		1856
1315	1	1857	1
1316	}	1858	}
…		…
1355	$self->load_header_orig	1897	$self->load_header_orig
1356	or return;	1898	or return;
1357	$self->prepare_orig;	1899	$self->prepare_orig;
1358	}	1900	}
1359		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
1360	1	1908	1
1361	}	1909	}
1362		1910
1363	sub find;	1911	sub find;
1364	sub find {	1912	sub find {
1365	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1366		1914
1367	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1368		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1370		1919
1371	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1373	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1374	or return;	1925	or return;
1375		1926
1376	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1377		1928
1378	$map->load_header	1929	$map->load_header
1379	or return;	1930	or return;
1380		1931
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1384	$map->reset;	1937	$map->reset;
1385	undef $guard;
1386	return find $path;	1938	return find $path;
1387	}	1939	}
1388		1940
1389	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1390	}	1942	}
…		…
1397	my ($self) = @_;	1949	my ($self) = @_;
1398		1950
1399	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1400		1952
1401	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1403		1957
		1958	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1960
1406	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1407		1962
1408	$self->alloc;	1963	$self->alloc;
1409		1964
1410	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1411		1967
1412	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1413	or return;	1971	or return;
1414		1972
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	1974	if delete $self->{load_original};
1417		1975
1418	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	1977	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	1980	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1423	}	1984	}
1424	}	1985	}
1425		1986
1426	Coro::cede;	1987	$f->resolve_delayed_derefs;
1427		1988
		1989	cf::cede_to_tick;
1428	# now do the right thing for maps	1990	# now do the right thing for maps
1429	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1430
1431	unless ($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)	1992	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1993	unless $self->difficulty;
1439	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1440	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	2010	}
1442		2011
1443	$self->post_load;	2012	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2013	}
1447		2014
1448	sub customise_for {	2015	sub customise_for {
1449	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1450		2017
1451	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2019	if $self->per_player;
1453		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1454	$self	2024	$self
1455	}	2025	}
1456		2026
1457	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2028	sub load_neighbours {
1459	my ($map) = @_;	2029	my ($map) = @_;
1460		2030
1461	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1462		2032
1463	for (0 .. 3) {	2033	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1465	or next;	2035	or next;
1466	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1467	or next;	2037	or next;
1468	$neigh->load;	2038	$neigh->load;
1469		2039
		2040	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2043	}
1473		2044
1474	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1476	or next;	2048	or next;
1477	$neigh->load;	2049	$neigh->load;
1478	}	2050	}
1479	}	2051	}
1480		2052
…		…
1485	}	2057	}
1486		2058
1487	sub do_load_sync {	2059	sub do_load_sync {
1488	my ($map) = @_;	2060	my ($map) = @_;
1489		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1490	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1491	}	2066	}
1492		2067
1493	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1495		2070
1496	sub find_async {	2071	sub find_async {
1497	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1498		2073
1499	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1500		2075
1501	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2078	}
1504		2079
1505	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1506	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1507	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2087	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2088	$map->load if $v;
		2089	}
1512		2090
1513	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1514	}	2092	}
1515	}	2093	}
1516	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1517	};	2095	};
1518	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2099	}
1522		2100
1523	sub save {	2101	sub save {
1524	my ($self) = @_;	2102	my ($self) = @_;
1525		2103
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2105
1528	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1529		2107
1530	return unless $self->dirty;	2108	return unless $self->dirty;
1531		2109
…		…
1537	return if $self->{deny_save};	2115	return if $self->{deny_save};
1538		2116
1539	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1540		2118
1541	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1543	};	2122	};
1544		2123
1545	if ($uniq) {	2124	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1554	my ($self) = @_;	2133	my ($self) = @_;
1555		2134
1556	# save first because save cedes	2135	# save first because save cedes
1557	$self->save;	2136	$self->save;
1558		2137
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2139
1561	return if $self->players;	2140	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2142	return if $self->{deny_save};
1564		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2148	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2149	}
1568		2150
1569	sub reset_at {	2151	sub reset_at {
1570	my ($self) = @_;	2152	my ($self) = @_;
1571		2153
1572	# TODO: safety, remove and allow resettable per-player maps	2154	# 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};	2155	return 1e99 if $self->{deny_reset};
1575		2156
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2159
…		…
1589	my ($self) = @_;	2170	my ($self) = @_;
1590		2171
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2173
1593	return if $self->players;	2174	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2175
1596	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1597		2177
1598	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1599		2179
1600	# need to save uniques path	2180	# need to save uniques path
1601	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2185	if $uniq;
1606	}	2186	}
1607		2187
1608	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1609		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2192	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2193
1614	$self->unlink_save;	2194	$self->unlink_save;
1615	$self->destroy;	2195	$self->destroy;
1616	}	2196	}
1617		2197
1618	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1619		2199
1620	sub nuke {	2200	sub nuke {
1621	my ($self) = @_;	2201	my ($self) = @_;
1622		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1623	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1624		2207
1625	$self->unlink_save;	2208	$self->unlink_save;
1626		2209
1627	bless $self, "cf::map";	2210	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2215
1633	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1634		2218
1635	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1636	}	2256	}
1637		2257
1638	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1639		2259
1640	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2261	instantiated unique items. May block.
1642		2262
1643	=cut	2263	=cut
1644		2264
1645	sub unique_maps() {	2265	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1647	or return;	2267	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2268	utf8::decode $_;
1653	next if /\.pst$/;	2269	/\.map$/
1654	next unless /^$PATH_SEP/o;	2270	? normalise $_
1655		2271	: ()
1656	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2273	]
1658
1659	\@paths
1660	}	2274	}
1661		2275
1662	package cf;	2276	package cf;
1663		2277
1664	=back	2278	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1683	}	2297	}
1684		2298
1685	sub inv_recursive {	2299	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1687	}	2329	}
1688		2330
1689	package cf;	2331	package cf;
1690		2332
1691	=back	2333	=back
…		…
1710		2352
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2354
1713	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1715	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1718	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1719	}	2380	}
1720		2381
1721	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1722		2383
1723	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1771		2432
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2434
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1776		2437
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2439	}
1779		2440
1780	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1782		2445
1783	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1784		2447
1785	unless ($map) {	2448	unless ($map) {
1786	# restore original map position	2449	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1803		2466
1804	$map->load;	2467	$map->load;
1805	$map->load_diag;	2468	$map->load_neighbours;
1806		2469
1807	return unless $self->contr->active;	2470	return unless $self->contr->active;
1808	$self->activate_recursive;	2471	$self->activate_recursive;
1809		2472
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1812	}	2475	}
1813		2476
1814	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2478
1818	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1822	};	2483	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2484
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	2485	=cut
		2486
		2487	our $GOTOGEN;
1849		2488
1850	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2494
1853	$self->enter_link;	2495	$self->enter_link;
1854		2496
1855	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1856	my $map = eval {	2519	my $map = eval {
1857	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1859	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2535	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1864	})->prio (1);	2543	})->prio (1);
1865	}	2544	}
1866		2545
1867	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1868		2547
…		…
1907		2586
1908	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1909		2588
1910	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1913		2592
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2595	undef $fh;
1917	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
1926		2605
1927	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1928		2607
1929	if ($exit->slaying eq "/!") {	2608	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2612	cf::sync_job { prepare_random_map $exit };
1932	}	2613	}
1933		2614
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
1937		2618
1938	$self->enter_link;	2619	$self->enter_link;
1939		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1940	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1941	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2629	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
1944		2631
1945	1;	2632	1;
1946	}) {	2633	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2638
1952	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2640	$self->leave_link;
1954	}	2641	}
1955	})->prio (1);	2642	})->prio (1);
…		…
1968		2655
1969	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1971		2658
1972	utf8::encode $text;	2659	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2661	}
1975		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1976		2790
1977	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1978		2792
1979	Queues a query to the client, calling the given callback with	2793	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>,	2794	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>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2796
1983	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2798	become reliable at some point in the future.
1985		2799
1986	=cut	2800	=cut
1987		2801
1988	sub cf::client::query {	2802	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2811	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2813
2000	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2002	}	2818	}
2003		2819
2004	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2005	on_reply => sub {	2826	on_reply => sub {
2006	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2007		2828
2008	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2009	# get handled first	2830	# get handled first
…		…
2021	} else {	2842	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2844	}
2024	}	2845	}
2025	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2026	);	2873	);
2027		2874
2028	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2029		2876
2030	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2073		2920
2074	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2075		2922
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2077		2928
2078	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2079		2930
2080	=pod	2931	=pod
2081		2932
2082	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2083		2934
2084	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2085	cf::object::player player	2939	cf::object::player
2086	cf::player peaceful	2940	player
2087	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2088		2947
2089	=cut	2948	=cut
2090		2949
2091	for (	2950	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2093	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2096	) {	2957	) {
2097	no strict 'refs';	2958	no strict 'refs';
…		…
2168	=back	3029	=back
2169		3030
2170	=cut	3031	=cut
2171		3032
2172	#############################################################################	3033	#############################################################################
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 $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3034	# the server's init and main functions
2246		3035
2247	sub load_resources {	3036	sub load_facedata($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3044
		3045	warn "loading facedata from $path\n";
		3046
		3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
		3050
		3051	$facedata = Coro::Storable::thaw $facedata;
		3052
		3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
		3063	{
		3064	my $faces = $facedata->{faceinfo};
		3065
		3066	while (my ($face, $info) = each %$faces) {
		3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
		3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3072
		3073	cf::cede_to_tick;
		3074	}
		3075
		3076	while (my ($face, $info) = each %$faces) {
		3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
		3086
		3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3168	or die "unable to load regions file\n";
2250	}
2251		3169
2252	sub cfg_load {	3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3214	or return;
2255		3215
2256	local $/;	3216	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2258		3218
…		…
2268	};	3228	};
2269	warn $@ if $@;	3229	warn $@ if $@;
2270	}	3230	}
2271	}	3231	}
2272		3232
2273	sub init {
2274	load_resources;
2275	}
2276
2277	sub main {	3233	sub main {
2278	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2282	Event::one_event;	3239	Event::one_event;
2283	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2284	};	3241	};
2285		3242
2286	cfg_load;	3243	reload_config;
2287	db_init;	3244	db_init;
2288	load_extensions;	3245	load_extensions;
2289		3246
2290	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2291	Event::loop;	3248	Event::loop;
…		…
2307	},	3264	},
2308	);	3265	);
2309	}	3266	}
2310	}	3267	}
2311		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2312	sub emergency_save() {	3307	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2314		3309
2315	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2316		3311
…		…
2320	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3321	$pl->save;
2326	}	3322	}
2327	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2328		3324
2329	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2347		3343
2348	warn Carp::longmess "post_cleanup backtrace"	3344	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3345	if $make_core;
2350	}	3346	}
2351		3347
2352	sub reload() {	3348	sub do_reload_perl() {
2353	# can/must only be called in main	3349	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2356	return;	3352	return;
2357	}	3353	}
…		…
2377		3373
2378	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2379	for (;;) {	3375	for (;;) {
2380	BDB::flush;	3376	BDB::flush;
2381	IO::AIO::flush;	3377	IO::AIO::flush;
2382	Coro::cede;	3378	Coro::cede_notself;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3380	warn "iterate...";
2385	}	3381	}
		3382
		3383	++$RELOAD;
2386		3384
2387	warn "cancelling all extension coros";	3385	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3387	%EXT_CORO = ();
2390		3388
2391	warn "removing commands";	3389	warn "removing commands";
2392	%COMMAND = ();	3390	%COMMAND = ();
2393		3391
2394	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2396		3395
2397	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2400		3399
…		…
2430	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3431
2433	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2435		3435
2436	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3437	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2439		3439
…		…
2442	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2443	require cf;	3443	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3445
2446	warn "loading config and database again";	3446	warn "loading config and database again";
2447	cf::cfg_load;	3447	cf::reload_config;
2448		3448
2449	warn "loading extensions";	3449	warn "loading extensions";
2450	cf::load_extensions;	3450	cf::load_extensions;
2451		3451
2452	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3453	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2456		3456	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3457	reattach $_ for values %PLAYER;
2458	load_resources;
2459		3458
2460	warn "leaving sync_job";	3459	warn "leaving sync_job";
2461		3460
2462	1	3461	1
2463	} or do {	3462	} or do {
…		…
2469	warn "reloaded";	3468	warn "reloaded";
2470	};	3469	};
2471		3470
2472	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2473		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2474	register_command "reload" => sub {	3488	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2476		3490
2477	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2479		3493	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3494	$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;	3495	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3496	};
2492	}	3497	}
2493	};	3498	};
2494		3499
2495	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2496		3501
2497	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2498		3524
2499	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3526	reentrant => 0,
2501	parked => 1,	3527	parked => 1,
2502	prio => 0,	3528	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2509	return;	3535	return;
2510	}	3536	}
2511		3537
2512	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2513		3539
2514	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2515	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2517		3544
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3549	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2523	};	3551	};
2524	}	3552	}
2525		3553
		3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
2526		3560
2527	$WAIT_FOR_TICK->broadcast;	3561	$NOW = Event::time;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532		3562
2533	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2535		3565
2536	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2538	},	3573	},
2539	);	3574	);
2540		3575
2541	{	3576	{
		3577	BDB::min_parallel 8;
2542	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2543	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3580	reentrant => 0,
2545	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2546	poll => 'r',	3582	poll => 'r',
2547	prio => 0,	3583	prio => 0,
2548	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2550	);	3586	);
2551	BDB::min_parallel 8;
2552		3587
2553	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2554	my $status;	3589	my $status;
2555	my $current = $Coro::current;	3590	my $current = $Coro::current;
2556	(	3591	(
…		…
2565	)	3600	)
2566	};	3601	};
2567		3602
2568	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3609
2571	cf::sync_job {	3610	cf::sync_job {
2572	eval {	3611	eval {
2573	BDB::db_env_open	3612	BDB::db_env_open
2574	$DB_ENV,	3613	$DB_ENV,
2575	$BDB_ENV_DIR,	3614	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3617	0666;
2579		3618
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3620	};
2585		3621
2586	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3623	};
2588	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2589	}	3656	}
2590		3657
2591	{	3658	{
2592	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2593		3660
…		…
2596	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3664	reentrant => 0,
2598	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2600	poll => 'r',	3667	poll => 'r',
2601	prio => 6,	3668	prio => 0,
2602	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2603	);	3670	);
2604	}	3671	}
2605		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
		3710	}
		3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
		3715
2606	END { cf::emergency_save }	3716	END { cf::emergency_save }
2607		3717
2608	1	3718	1
2609		3719

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