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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $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 $guard = cf::lock_acquire "write_runtime";
360		492
361	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		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.
362		497
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
364	or return;
365		499
366	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		502
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
371	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
372		506
373	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	508	reset_signals;
375	and return;	509	&$cb
		510	}, @args;
376		511
377	close $fh	512	wantarray ? @res : $res[-1]
378	or return;	513	}
379		514
380	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
381	and return;
382		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
383	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	651	}
385		652
386	=back	653	=back
387		654
388	=cut	655	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
397		664
398	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	667	Crossfire TRT).
401		668
402	=over 4	669	=over 4
403		670
404	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
405		672
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
569		836
570	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		841
575	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	843	my $pkg = shift @arg;
577		844
578	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
608	}	875	}
609		876
610	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
611	} else {	878	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	880	}
614		881
615	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
616	}	883	}
617		884
…		…
619	if (ref $_[0]) {	886	if (ref $_[0]) {
620	_object_attach @_;	887	_object_attach @_;
621	} else {	888	} else {
622	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
623	}	890	}
		891	_recalc_want;
624	};	892	};
625		893
626	# all those should be optimised	894	# all those should be optimised
627	sub cf::attachable::detach {	895	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
632	reattach ($obj);	900	reattach ($obj);
633	} else {	901	} else {
634	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
635	}	903	}
		904	_recalc_want;
636	};	905	};
637		906
638	sub cf::attachable::attached {	907	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
640		909
…		…
655	";	924	";
656	die if $@;	925	die if $@;
657	}	926	}
658		927
659	our $override;	928	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		930
662	sub override {	931	sub override {
663	$override = 1;	932	$override = 1;
664	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
665	}	934	}
666		935
667	sub do_invoke {	936	sub do_invoke {
668	my $event = shift;	937	my $event = shift;
669	my $callbacks = shift;	938	my $callbacks = shift;
670		939
671	@invoke_results = ();	940	@INVOKE_RESULTS = ();
672		941
673	local $override;	942	local $override;
674		943
675	for (@$callbacks) {	944	for (@$callbacks) {
676	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
693		962
694	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
695		964
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		968
700	=back	969	=back
701		970
702	=cut	971	=cut
703		972
704	#############################################################################	973	#############################################################################
705	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
706		1017
707	sub reattach {	1018	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1020	my ($obj) = @_;
710		1021
…		…
757	sub object_freezer_save {	1068	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
759		1070
760	sync_job {	1071	sync_job {
761	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
764		1076
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1081	close $fh;
770		1082
771	if (@$objs) {	1083	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1089	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
779	}	1091	}
…		…
787	}	1099	}
788	} else {	1100	} else {
789	aio_unlink $filename;	1101	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
791	}	1103	}
792	}	1104	};
793	}	1105	}
794		1106
795	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
797		1109
…		…
809	or return;	1121	or return;
810		1122
811	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
813	or return;	1125	or return;
		1126
814	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
815	}	1129	}
816		1130
		1131	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
819	return ($data, $av);	1135	($data, $av)
820	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
821		1143
822	#############################################################################	1144	#############################################################################
823	# command handling &c	1145	# command handling &c
824		1146
825	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1161	}
840		1162
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1164
843	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
844		1170
845	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
846	called.	1172	called.
847		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
848	=cut	1185	=cut
849		1186
850	sub register_extcmd {	1187	sub register_extcmd {
851	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
852		1189
853	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
854	}	1197	}
855		1198
856	cf::player->attach (	1199	cf::player->attach (
857	on_command => sub {	1200	on_command => sub {
858	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1210	cf::override;
868	},	1211	},
869	on_extcmd => sub {	1212	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
871		1214
872	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1216
874	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
880	} else {	1232	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1234	}
883		1235
884	cf::override;	1236	cf::override;
885	},	1237	},
886	);	1238	);
887		1239
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
923	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1245	next unless -r $path;
925	eval {	1246
926	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
927	1	1304	}
928	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
929	}	1310	};
930	}	1311	}
931		1312
932	#############################################################################	1313	#############################################################################
933		1314
		1315	=back
		1316
934	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
935		1318
936	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
937		1320
938	=cut	1321	=cut
…		…
943		1326
944	=head3 cf::player	1327	=head3 cf::player
945		1328
946	=over 4	1329	=over 4
947		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
948	=item cf::player::find $login	1345	=item cf::player::find $login
949		1346
950	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
951		1348
952	=cut	1349	=cut
953		1350
954	sub playerdir($) {	1351	sub playerdir($) {
955	cf::localdir	1352	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1354	}
961		1355
962	sub path($) {	1356	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1358
965	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
966	}	1360	}
967		1361
968	sub find_active($) {	1362	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1377	my $login = $_[0];
984		1378
985	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
986		1380
987	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
989	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
991	}	1397	}
992	}	1398	}
993	}	1399	}
994		1400
…		…
1004		1410
1005	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1007		1413
1008	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1009	Coro::cede;	1415	cf::cede_to_tick;
1010	}	1416	}
1011		1417
1012	sub new($) {	1418	sub new($) {
1013	my ($login) = @_;	1419	my ($login) = @_;
1014		1420
…		…
1020	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1021		1427
1022	$self	1428	$self
1023	}	1429	}
1024		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1025	=item $pl->quit_character	1441	=item $pl->quit_character
1026		1442
1027	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1029		1445
1030	=cut	1446	=cut
1031		1447
1032	sub quit_character {	1448	sub quit_character {
1033	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1034		1452
1035	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1455
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1048	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1049	}	1487	}
1050		1488
1051	=item cf::player::list_logins	1489	=item cf::player::list_logins
1052		1490
1053	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1055		1493
1056	=cut	1494	=cut
1057		1495
1058	sub list_logins {	1496	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1498	or return [];
1061		1499
1062	my @logins;	1500	my @logins;
1063		1501
1064	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1068		1511
1069	utf8::decode $login;	1512	utf8::decode $login;
1070	push @logins, $login;	1513	push @logins, $login;
1071	}	1514	}
1072		1515
…		…
1099	}	1542	}
1100		1543
1101	\@paths	1544	\@paths
1102	}	1545	}
1103		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1105		1599
1106	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1107		1601
1108	=cut	1602	=cut
1109		1603
1110	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1112		1606
1113	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1608	}
1117		1609
1118	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1119		1650
1120	=back	1651	=back
1121
1122		1652
1123	=head3 cf::map	1653	=head3 cf::map
1124		1654
1125	=over 4	1655	=over 4
1126		1656
…		…
1181	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1182		1712
1183	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1184	local $self->{path};	1714	local $self->{path};
1185	local $self->{load_path};	1715	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1716
1189	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1190	}	1718	}
1191		1719
1192	sub normalise {	1720	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1240	return $self;	1768	return $self;
1241	}	1769	}
1242	}	1770	}
1243		1771
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1773	()
1246	}	1774	}
1247		1775
1248	sub init {	1776	sub init {
1249	my ($self) = @_;	1777	my ($self) = @_;
…		…
1264		1792
1265	# the original (read-only) location	1793	# the original (read-only) location
1266	sub load_path {	1794	sub load_path {
1267	my ($self) = @_;	1795	my ($self) = @_;
1268		1796
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1270	}	1798	}
1271		1799
1272	# the temporary/swap location	1800	# the temporary/swap location
1273	sub save_path {	1801	sub save_path {
1274	my ($self) = @_;	1802	my ($self) = @_;
1275		1803
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1278	}	1806	}
1279		1807
1280	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1281	sub uniq_path {	1809	sub uniq_path {
1282	my ($self) = @_;	1810	my ($self) = @_;
1283		1811
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1286	}	1814	}
1287		1815
1288	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1289	# all maps in C++...	1817	# all maps in C++...
1290	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1292		1820
1293	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1295	}	1823	}
1296		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1297	sub unlink_save {	1833	sub unlink_save {
1298	my ($self) = @_;	1834	my ($self) = @_;
1299		1835
1300	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1840
1305	sub load_header_from($) {	1841	sub load_header_from($) {
1306	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1307		1843
1308	utf8::encode $path;	1844	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1314		1853
1315	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1316		1855
1317	1	1856	1
1318	}	1857	}
…		…
1357	$self->load_header_orig	1896	$self->load_header_orig
1358	or return;	1897	or return;
1359	$self->prepare_orig;	1898	$self->prepare_orig;
1360	}	1899	}
1361		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1362	1	1907	1
1363	}	1908	}
1364		1909
1365	sub find;	1910	sub find;
1366	sub find {	1911	sub find {
1367	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1368		1913
1369	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1370		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1372		1918
1373	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1375	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1376	or return;	1924	or return;
1377		1925
1378	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1379		1927
1380	$map->load_header	1928	$map->load_header
1381	or return;	1929	or return;
1382		1930
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1386	$map->reset;	1936	$map->reset;
1387	undef $guard;
1388	return find $path;	1937	return find $path;
1389	}	1938	}
1390		1939
1391	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1392	}	1941	}
…		…
1399	my ($self) = @_;	1948	my ($self) = @_;
1400		1949
1401	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1402		1951
1403	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1405		1956
		1957	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1959
1408	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1409		1961
1410	$self->alloc;	1962	$self->alloc;
1411		1963
1412	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1413		1966
1414	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1415	or return;	1970	or return;
1416		1971
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	1973	if delete $self->{load_original};
1419		1974
1420	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	1976	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	1979	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1425	}	1983	}
1426	}	1984	}
1427		1985
1428	Coro::cede;	1986	$f->resolve_delayed_derefs;
1429		1987
		1988	cf::cede_to_tick;
1430	# now do the right thing for maps	1989	# now do the right thing for maps
1431	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1992	unless $self->difficulty;
1441	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1442	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	2009	}
1444		2010
1445	$self->post_load;	2011	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2012	}
1449		2013
1450	sub customise_for {	2014	sub customise_for {
1451	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1452		2016
1453	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2018	if $self->per_player;
1455		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1456	$self	2023	$self
1457	}	2024	}
1458		2025
1459	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2027	sub load_neighbours {
1461	my ($map) = @_;	2028	my ($map) = @_;
1462		2029
1463	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1464		2031
1465	for (0 .. 3) {	2032	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1467	or next;	2034	or next;
1468	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1469	or next;	2036	or next;
1470	$neigh->load;	2037	$neigh->load;
1471		2038
		2039	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2042	}
1475		2043
1476	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1478	or next;	2047	or next;
1479	$neigh->load;	2048	$neigh->load;
1480	}	2049	}
1481	}	2050	}
1482		2051
…		…
1487	}	2056	}
1488		2057
1489	sub do_load_sync {	2058	sub do_load_sync {
1490	my ($map) = @_;	2059	my ($map) = @_;
1491		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1492	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1493	}	2065	}
1494		2066
1495	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1497		2069
1498	sub find_async {	2070	sub find_async {
1499	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1500		2072
1501	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1502		2074
1503	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	2077	}
1506		2078
1507	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1508	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1509	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2086	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2087	$map->load if $v;
		2088	}
1514		2089
1515	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1516	}	2091	}
1517	}	2092	}
1518	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1519	};	2094	};
1520	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2098	}
1524		2099
1525	sub save {	2100	sub save {
1526	my ($self) = @_;	2101	my ($self) = @_;
1527		2102
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2104
1530	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1531		2106
1532	return unless $self->dirty;	2107	return unless $self->dirty;
1533		2108
…		…
1539	return if $self->{deny_save};	2114	return if $self->{deny_save};
1540		2115
1541	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1542		2117
1543	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1545	};	2121	};
1546		2122
1547	if ($uniq) {	2123	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1556	my ($self) = @_;	2132	my ($self) = @_;
1557		2133
1558	# save first because save cedes	2134	# save first because save cedes
1559	$self->save;	2135	$self->save;
1560		2136
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2138
1563	return if $self->players;	2139	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2141	return if $self->{deny_save};
1566		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2147	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2148	}
1570		2149
1571	sub reset_at {	2150	sub reset_at {
1572	my ($self) = @_;	2151	my ($self) = @_;
1573		2152
1574	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1577		2155
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2158
…		…
1591	my ($self) = @_;	2169	my ($self) = @_;
1592		2170
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2172
1595	return if $self->players;	2173	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2174
1598	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1599		2176
1600	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1601		2178
1602	# need to save uniques path	2179	# need to save uniques path
1603	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2184	if $uniq;
1608	}	2185	}
1609		2186
1610	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1611		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2191	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2192
1616	$self->unlink_save;	2193	$self->unlink_save;
1617	$self->destroy;	2194	$self->destroy;
1618	}	2195	}
1619		2196
1620	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1621		2198
1622	sub nuke {	2199	sub nuke {
1623	my ($self) = @_;	2200	my ($self) = @_;
1624		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1625	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1626		2206
1627	$self->unlink_save;	2207	$self->unlink_save;
1628		2208
1629	bless $self, "cf::map";	2209	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2214
1635	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1636		2217
1637	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1638	}	2255	}
1639		2256
1640	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1641		2258
1642	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2260	instantiated unique items. May block.
1644		2261
1645	=cut	2262	=cut
1646		2263
1647	sub unique_maps() {	2264	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1649	or return;	2266	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2267	utf8::decode $_;
1655	next if /\.pst$/;	2268	/\.map$/
1656	next unless /^$PATH_SEP/o;	2269	? normalise $_
1657		2270	: ()
1658	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2272	]
1660
1661	\@paths
1662	}	2273	}
1663		2274
1664	package cf;	2275	package cf;
1665		2276
1666	=back	2277	=back
…		…
1684	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1685	}	2296	}
1686		2297
1687	sub inv_recursive {	2298	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1689	}	2328	}
1690		2329
1691	package cf;	2330	package cf;
1692		2331
1693	=back	2332	=back
…		…
1712		2351
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2353
1715	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1717	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1720	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1721	}	2379	}
1722		2380
1723	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1724		2382
1725	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1773		2431
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2433
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1778		2436
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2438	}
1781		2439
1782	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1784		2444
1785	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1786		2446
1787	unless ($map) {	2447	unless ($map) {
1788	# restore original map position	2448	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1805		2465
1806	$map->load;	2466	$map->load;
1807	$map->load_diag;	2467	$map->load_neighbours;
1808		2468
1809	return unless $self->contr->active;	2469	return unless $self->contr->active;
1810	$self->activate_recursive;	2470	$self->activate_recursive;
1811		2471
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1814	}	2474	}
1815		2475
1816	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2477
1820	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1824	};	2482	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2483
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1851		2487
1852	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2493
1855	$self->enter_link;	2494	$self->enter_link;
1856		2495
1857	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1858	my $map = eval {	2518	my $map = eval {
1859	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1861	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2534	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1866	})->prio (1);	2542	})->prio (1);
1867	}	2543	}
1868		2544
1869	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1870		2546
…		…
1909		2585
1910	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1911		2587
1912	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1915		2591
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2594	undef $fh;
1919	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1928		2604
1929	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1930		2606
1931	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1934	}	2612	}
1935		2613
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1939		2617
1940	$self->enter_link;	2618	$self->enter_link;
1941		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1942	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1943	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2628	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1946		2630
1947	1;	2631	1;
1948	}) {	2632	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2637
1954	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2639	$self->leave_link;
1956	}	2640	}
1957	})->prio (1);	2641	})->prio (1);
…		…
1970		2654
1971	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1973		2657
1974	utf8::encode $text;	2658	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2660	}
1977		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
		2761	=item $client->ext_msg ($type, @msg)
		2762
		2763	Sends an ext event to the client.
		2764
		2765	=cut
		2766
		2767	sub cf::client::ext_msg($$@) {
		2768	my ($self, $type, @msg) = @_;
		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
		2773	push @msg, msgtype => "event_$type";
		2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
		2794	}
1978		2795
1979	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
1980		2797
1981	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2801
1985	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2803	become reliable at some point in the future.
1987		2804
1988	=cut	2805	=cut
1989		2806
1990	sub cf::client::query {	2807	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2816	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2818
2002	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
2004	}	2823	}
2005		2824
2006	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
2007	on_reply => sub {	2831	on_reply => sub {
2008	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
2009		2833
2010	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
2011	# get handled first	2835	# get handled first
…		…
2023	} else {	2847	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2849	}
2026	}	2850	}
2027	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2028	);	2878	);
2029		2879
2030	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2031		2881
2032	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2075		2925
2076	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2077		2927
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2079		2933
2080	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2081		2935
2082	=pod	2936	=pod
2083		2937
2084	The following fucntions and emthods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2085		2939
2086	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2087	cf::object::player player	2944	cf::object::player
2088	cf::player peaceful	2945	player
2089	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2090		2952
2091	=cut	2953	=cut
2092		2954
2093	for (	2955	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2098	) {	2962	) {
2099	no strict 'refs';	2963	no strict 'refs';
…		…
2170	=back	3034	=back
2171		3035
2172	=cut	3036	=cut
2173		3037
2174	#############################################################################	3038	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3039	# the server's init and main functions
2248		3040
2249	sub init_resources {	3041	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3042	my ($path) = @_;
		3043
		3044	# HACK to clear player env face cache, we need some signal framework
		3045	# for this (global event?)
		3046	%ext::player_env::MUSIC_FACE_CACHE = ();
		3047
		3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3049
		3050	warn "loading facedata from $path\n";
		3051
		3052	my $facedata;
		3053	0 < aio_load $path, $facedata
		3054	or die "$path: $!";
		3055
		3056	$facedata = Coro::Storable::thaw $facedata;
		3057
		3058	$facedata->{version} == 2
		3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3060
		3061	# patch in the exptable
		3062	$facedata->{resource}{"res/exp_table"} = {
		3063	type => FT_RSRC,
		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3065	};
		3066	cf::cede_to_tick;
		3067
		3068	{
		3069	my $faces = $facedata->{faceinfo};
		3070
		3071	while (my ($face, $info) = each %$faces) {
		3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
		3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	while (my ($face, $info) = each %$faces) {
		3082	next unless $info->{smooth};
		3083	my $idx = cf::face::find $face
		3084	or next;
		3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
		3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3088	} else {
		3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3090	}
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094	}
		3095
		3096	{
		3097	my $anims = $facedata->{animinfo};
		3098
		3099	while (my ($anim, $info) = each %$anims) {
		3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3101	cf::cede_to_tick;
		3102	}
		3103
		3104	cf::anim::invalidate_all; # d'oh
		3105	}
		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
		3156	1
		3157	}
		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
		3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
		3172	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3173	or die "unable to load regions file\n";
2252	}
2253		3174
2254	sub cfg_load {	3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
		3179	}
		3180
		3181	sub reload_facedata {
		3182	load_facedata "$DATADIR/facedata"
		3183	or die "unable to load facedata\n";
		3184	}
		3185
		3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
		3192	load_resource_file "$DATADIR/archetypes"
		3193	or die "unable to load archetypes\n";
		3194	}
		3195
		3196	sub reload_treasures {
		3197	load_resource_file "$DATADIR/treasures"
		3198	or die "unable to load treasurelists\n";
		3199	}
		3200
		3201	sub reload_resources {
		3202	warn "reloading resource files...\n";
		3203
		3204	reload_regions;
		3205	reload_facedata;
		3206	#reload_archetypes;#d#
		3207	reload_archetypes;
		3208	reload_treasures;
		3209
		3210	warn "finished reloading resource files\n";
		3211	}
		3212
		3213	sub init {
		3214	reload_resources;
		3215	}
		3216
		3217	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3219	or return;
2257		3220
2258	local $/;	3221	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
2260		3223
…		…
2270	};	3233	};
2271	warn $@ if $@;	3234	warn $@ if $@;
2272	}	3235	}
2273	}	3236	}
2274		3237
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3238	sub main {
2280	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2284	Event::one_event;	3244	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2286	};	3246	};
2287		3247
2288	cfg_load;	3248	reload_config;
2289	db_init;	3249	db_init;
2290	load_extensions;	3250	load_extensions;
2291		3251
2292	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2293	Event::loop;	3253	Event::loop;
…		…
2309	},	3269	},
2310	);	3270	);
2311	}	3271	}
2312	}	3272	}
2313		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2314	sub emergency_save() {	3312	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2316		3314
2317	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2318		3316
…		…
2322	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3326	$pl->save;
2328	}	3327	}
2329	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2330		3329
2331	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2349		3348
2350	warn Carp::longmess "post_cleanup backtrace"	3349	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3350	if $make_core;
2352	}	3351	}
2353		3352
2354	sub reload() {	3353	sub do_reload_perl() {
2355	# can/must only be called in main	3354	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3356	warn "can only reload from main coroutine";
2358	return;	3357	return;
2359	}	3358	}
…		…
2379		3378
2380	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2381	for (;;) {	3380	for (;;) {
2382	BDB::flush;	3381	BDB::flush;
2383	IO::AIO::flush;	3382	IO::AIO::flush;
2384	Coro::cede;	3383	Coro::cede_notself;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3385	warn "iterate...";
2387	}	3386	}
		3387
		3388	++$RELOAD;
2388		3389
2389	warn "cancelling all extension coros";	3390	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3391	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3392	%EXT_CORO = ();
2392		3393
2393	warn "removing commands";	3394	warn "removing commands";
2394	%COMMAND = ();	3395	%COMMAND = ();
2395		3396
2396	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2398		3400
2399	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2402		3404
…		…
2432	Symbol::delete_package "safe::$_"	3434	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3436
2435	warn "unloading cf.pm \"a bit\"";	3437	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3438	delete $INC{"cf.pm"};
		3439	delete $INC{"cf/pod.pm"};
2437		3440
2438	# don't, removes xs symbols, too,	3441	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3442	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3443	#Symbol::delete_package __PACKAGE__;
2441		3444
…		…
2444	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2445	require cf;	3448	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3450
2448	warn "loading config and database again";	3451	warn "loading config and database again";
2449	cf::cfg_load;	3452	cf::reload_config;
2450		3453
2451	warn "loading extensions";	3454	warn "loading extensions";
2452	cf::load_extensions;	3455	cf::load_extensions;
2453		3456
2454	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3458	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3459	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3460	reattach $_ for values %MAP;
2458		3461	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3462	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3463
2462	warn "leaving sync_job";	3464	warn "leaving sync_job";
2463		3465
2464	1	3466	1
2465	} or do {	3467	} or do {
…		…
2471	warn "reloaded";	3473	warn "reloaded";
2472	};	3474	};
2473		3475
2474	our $RELOAD_WATCHER; # used only during reload	3476	our $RELOAD_WATCHER; # used only during reload
2475		3477
		3478	sub reload_perl() {
		3479	# doing reload synchronously and two reloads happen back-to-back,
		3480	# coro crashes during coro_state_free->destroy here.
		3481
		3482	$RELOAD_WATCHER ||= Event->timer (
		3483	reentrant => 0,
		3484	after => 0,
		3485	data => WF_AUTOCANCEL,
		3486	cb => sub {
		3487	do_reload_perl;
		3488	undef $RELOAD_WATCHER;
		3489	},
		3490	);
		3491	}
		3492
2476	register_command "reload" => sub {	3493	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2478		3495
2479	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
2481		3498	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3499	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3500	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3501	};
2494	}	3502	}
2495	};	3503	};
2496		3504
2497	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2498		3506
2499	my $bug_warning = 0;	3507	my $bug_warning = 0;
		3508
		3509	our @WAIT_FOR_TICK;
		3510	our @WAIT_FOR_TICK_BEGIN;
		3511
		3512	sub wait_for_tick {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK, $signal;
		3518	$signal->wait;
		3519	}
		3520
		3521	sub wait_for_tick_begin {
		3522	return unless $TICK_WATCHER->is_active;
		3523	return if $Coro::current == $Coro::main;
		3524
		3525	my $signal = new Coro::Signal;
		3526	push @WAIT_FOR_TICK_BEGIN, $signal;
		3527	$signal->wait;
		3528	}
2500		3529
2501	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3531	reentrant => 0,
2503	parked => 1,	3532	parked => 1,
2504	prio => 0,	3533	prio => 0,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3539	unless ++$bug_warning > 10;
2511	return;	3540	return;
2512	}	3541	}
2513		3542
2514	$NOW = Event::time;	3543	$NOW = $tick_start = Event::time;
2515		3544
2516	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
		3546
2517	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2519		3549
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
2522	Coro::async_pool {	3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3554	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3555	or warn "ERROR: unable to write runtime file: $!";
2525	};	3556	};
2526	}	3557	}
2527		3558
2528	$WAIT_FOR_TICK->broadcast;	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3560	$sig->send;
		3561	}
		3562	while (my $sig = shift @WAIT_FOR_TICK) {
		3563	$sig->send;
		3564	}
2530		3565
2531	# my $AFTER = Event::time;	3566	$NOW = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533		3567
2534	# if we are delayed by four ticks or more, skip them all	3568	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3570
2537	$TICK_WATCHER->at ($NEXT_TICK);	3571	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3572	$TICK_WATCHER->start;
		3573
		3574	$LOAD = ($NOW - $tick_start) / $TICK;
		3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3576
		3577	_post_tick;
2539	},	3578	},
2540	);	3579	);
2541		3580
2542	{	3581	{
		3582	BDB::min_parallel 8;
2543	BDB::max_poll_time $TICK * 0.1;	3583	BDB::max_poll_time $TICK * 0.1;
2544	$BDB_POLL_WATCHER = Event->io (	3584	$BDB_POLL_WATCHER = Event->io (
2545	reentrant => 0,	3585	reentrant => 0,
2546	fd => BDB::poll_fileno,	3586	fd => BDB::poll_fileno,
2547	poll => 'r',	3587	poll => 'r',
2548	prio => 0,	3588	prio => 0,
2549	data => WF_AUTOCANCEL,	3589	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,	3590	cb => \&BDB::poll_cb,
2551	);	3591	);
2552	BDB::min_parallel 8;
2553		3592
2554	BDB::set_sync_prepare {	3593	BDB::set_sync_prepare {
2555	my $status;	3594	my $status;
2556	my $current = $Coro::current;	3595	my $current = $Coro::current;
2557	(	3596	(
…		…
2566	)	3605	)
2567	};	3606	};
2568		3607
2569	unless ($DB_ENV) {	3608	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3614
2572	cf::sync_job {	3615	cf::sync_job {
2573	eval {	3616	eval {
2574	BDB::db_env_open	3617	BDB::db_env_open
2575	$DB_ENV,	3618	$DB_ENV,
2576	$BDB_ENV_DIR,	3619	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3622	0666;
2580		3623
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3625	};
2586		3626
2587	cf::cleanup "db_env_open(db): $@" if $@;	3627	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3628	};
2589	}	3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
2590	}	3661	}
2591		3662
2592	{	3663	{
2593	IO::AIO::min_parallel 8;	3664	IO::AIO::min_parallel 8;
2594		3665
…		…
2597	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
2598	reentrant => 0,	3669	reentrant => 0,
2599	data => WF_AUTOCANCEL,	3670	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
2601	poll => 'r',	3672	poll => 'r',
2602	prio => 6,	3673	prio => 0,
2603	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
2604	);	3675	);
2605	}	3676	}
2606		3677
		3678	my $_log_backtrace;
		3679
		3680	sub _log_backtrace {
		3681	my ($msg, @addr) = @_;
		3682
		3683	$msg =~ s/\n//;
		3684
		3685	# limit the # of concurrent backtraces
		3686	if ($_log_backtrace < 2) {
		3687	++$_log_backtrace;
		3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
		3691	my @bt = fork_call {
		3692	@addr = map { sprintf "%x", $_ } @addr;
		3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3695	or die "addr2line: $!";
		3696
		3697	my @funcs;
		3698	my @res = <$fh>;
		3699	chomp for @res;
		3700	while (@res) {
		3701	my ($func, $line) = splice @res, 0, 2, ();
		3702	push @funcs, "[$func] $line";
		3703	}
		3704
		3705	@funcs
		3706	};
		3707
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] $_\n" for @bt;
		3710	--$_log_backtrace;
		3711	};
		3712	} else {
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] [suppressed]\n";
		3715	}
		3716	}
		3717
		3718	# load additional modules
		3719	use cf::pod;
		3720
2607	END { cf::emergency_save }	3721	END { cf::emergency_save }
2608		3722
2609	1	3723	1
2610		3724

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