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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.170 by root, Sun Jan 14 02:00:37 2007 UTC vs.
Revision 1.375 by root, Sun Sep 30 20:22:21 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
303	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
306		435
307	my $busy = 1;	436	my $busy = 1;
308	my @res;	437	my @res;
309		438
310	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	441	@res = eval { $job->() };
312	warn $@ if $@;	442	warn $@ if $@;
313	undef $busy;	443	undef $busy;
314	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
315		445
316	while ($busy) {	446	while ($busy) {
317	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
318	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
319		456
320	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
321	} else {	458	} else {
322	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
323		460
…		…
343	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
344		481
345	$coro	482	$coro
346	}	483	}
347		484
348	sub write_runtime {	485	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		486
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
352	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
353		491
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	492	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		493
358	aio_fsync $fh	494	sub fork_call(&@) {
359	and return;	495	my ($cb, @args) = @_;
360		496
361	close $fh	497	# we seemingly have to make a local copy of the whole thing,
362	or return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
363		500
364	aio_rename "$runtime~", $runtime	501	my @res = Coro::Util::fork_eval {
365	and return;	502	reset_signals;
		503	&$cb
		504	}, @args;
366		505
		506	wantarray ? @res : $res[-1]
		507	}
		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
367	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	645	}
369		646
370	=back	647	=back
371		648
372	=cut	649	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
381		658
382	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	661	Crossfire TRT).
385		662
386	=over 4	663	=over 4
387		664
388	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
389		666
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
553		830
554	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		835
559	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	837	my $pkg = shift @arg;
561		838
562	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
592	}	869	}
593		870
594	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
595	} else {	872	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	874	}
598		875
599	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
600	}	877	}
601		878
…		…
603	if (ref $_[0]) {	880	if (ref $_[0]) {
604	_object_attach @_;	881	_object_attach @_;
605	} else {	882	} else {
606	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
607	}	884	}
		885	_recalc_want;
608	};	886	};
609		887
610	# all those should be optimised	888	# all those should be optimised
611	sub cf::attachable::detach {	889	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
616	reattach ($obj);	894	reattach ($obj);
617	} else {	895	} else {
618	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
619	}	897	}
		898	_recalc_want;
620	};	899	};
621		900
622	sub cf::attachable::attached {	901	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
624		903
…		…
639	";	918	";
640	die if $@;	919	die if $@;
641	}	920	}
642		921
643	our $override;	922	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		924
646	sub override {	925	sub override {
647	$override = 1;	926	$override = 1;
648	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
649	}	928	}
650		929
651	sub do_invoke {	930	sub do_invoke {
652	my $event = shift;	931	my $event = shift;
653	my $callbacks = shift;	932	my $callbacks = shift;
654		933
655	@invoke_results = ();	934	@INVOKE_RESULTS = ();
656		935
657	local $override;	936	local $override;
658		937
659	for (@$callbacks) {	938	for (@$callbacks) {
660	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
677		956
678	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
679		958
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		962
684	=back	963	=back
685		964
686	=cut	965	=cut
687		966
688	#############################################################################	967	#############################################################################
689	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
690		980
691	sub reattach {	981	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	983	my ($obj) = @_;
694		984
…		…
741	sub object_freezer_save {	1031	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
743		1033
744	sync_job {	1034	sync_job {
745	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
748		1039
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1044	close $fh;
754		1045
755	if (@$objs) {	1046	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1052	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
763	}	1054	}
764	} else {	1055	} else {
765	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
771	}	1062	}
772	} else {	1063	} else {
773	aio_unlink $filename;	1064	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
775	}	1066	}
776	}	1067	};
777	}	1068	}
778		1069
779	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
781		1072
…		…
793	or return;	1084	or return;
794		1085
795	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
797	or return;	1088	or return;
		1089
798	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1091	}
800		1092
		1093	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
803	return ($data, $av);	1097	($data, $av)
804	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
805		1105
806	#############################################################################	1106	#############################################################################
807	# command handling &c	1107	# command handling &c
808		1108
809	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1123	}
824		1124
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1126
827	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
828		1132
829	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
830	called.	1134	called.
831		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
832	=cut	1147	=cut
833		1148
834	sub register_extcmd {	1149	sub register_extcmd {
835	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
836		1151
837	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
838	}	1159	}
839		1160
840	cf::player->attach (	1161	cf::player->attach (
841	on_command => sub {	1162	on_command => sub {
842	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1172	cf::override;
852	},	1173	},
853	on_extcmd => sub {	1174	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
855		1176
856	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1178
858	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
864	} else {	1194	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1196	}
867		1197
868	cf::override;	1198	cf::override;
869	},	1199	},
870	);	1200	);
871		1201
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
907	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1207	next unless -r $path;
909	eval {	1208
910	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
911	1	1266	}
912	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
913	}	1272	};
914	}	1273	}
915		1274
916	#############################################################################	1275	#############################################################################
917		1276
		1277	=back
		1278
918	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
919		1280
920	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
921		1282
922	=cut	1283	=cut
…		…
927		1288
928	=head3 cf::player	1289	=head3 cf::player
929		1290
930	=over 4	1291	=over 4
931		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
932	=item cf::player::find $login	1307	=item cf::player::find $login
933		1308
934	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
935		1310
936	=cut	1311	=cut
937		1312
938	sub playerdir($) {	1313	sub playerdir($) {
939	cf::localdir	1314	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1316	}
945		1317
946	sub path($) {	1318	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1320
949	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
950	}	1322	}
951		1323
952	sub find_active($) {	1324	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
957		1329
958	sub exists($) {	1330	sub exists($) {
959	my ($login) = @_;	1331	my ($login) = @_;
960		1332
961	$cf::PLAYER{$login}	1333	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1334	or cf::sync_job { !aio_stat path $login }
963	}	1335	}
964		1336
965	sub find($) {	1337	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1338	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1339	my $login = $_[0];
968		1340
969	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
970		1342
971	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
973	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
975	}	1359	}
976	}	1360	}
977	}	1361	}
978		1362
…		…
988		1372
989	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
991		1375
992	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
993	Coro::cede;	1377	cf::cede_to_tick;
994	}	1378	}
995		1379
996	sub new($) {	1380	sub new($) {
997	my ($login) = @_;	1381	my ($login) = @_;
998		1382
…		…
1004	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1005		1389
1006	$self	1390	$self
1007	}	1391	}
1008		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1009	=item $pl->quit_character	1403	=item $pl->quit_character
1010		1404
1011	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1013		1407
1014	=cut	1408	=cut
1015		1409
1016	sub quit_character {	1410	sub quit_character {
1017	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1018		1414
1019	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1417
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1032	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1033	}	1449	}
1034		1450
1035	=item cf::player::list_logins	1451	=item cf::player::list_logins
1036		1452
1037	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1039		1455
1040	=cut	1456	=cut
1041		1457
1042	sub list_logins {	1458	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1460	or return [];
1045		1461
1046	my @logins;	1462	my @logins;
1047		1463
1048	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1052		1473
1053	utf8::decode $login;	1474	utf8::decode $login;
1054	push @logins, $login;	1475	push @logins, $login;
1055	}	1476	}
1056		1477
…		…
1064		1485
1065	=cut	1486	=cut
1066		1487
1067	sub maps($) {	1488	sub maps($) {
1068	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1492
1070	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1071	or return;	1494	or return;
1072		1495
1073	my @paths;	1496	my @paths;
…		…
1075	for (@$files) {	1498	for (@$files) {
1076	utf8::decode $_;	1499	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1079		1502
1080	s/\.map$//;	1503	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1504	}
1083		1505
1084	\@paths	1506	\@paths
1085	}	1507	}
1086		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1088		1561
1089	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1090		1563
1091	=cut	1564	=cut
1092		1565
1093	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1095		1568
1096	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1570	}
1100		1571
1101	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1102		1612
1103	=back	1613	=back
1104
1105		1614
1106	=head3 cf::map	1615	=head3 cf::map
1107		1616
1108	=over 4	1617	=over 4
1109		1618
…		…
1113		1622
1114	use Fcntl;	1623	use Fcntl;
1115	use Coro::AIO;	1624	use Coro::AIO;
1116		1625
1117	use overload	1626	use overload
1118	'""' => \&as_string;	1627	'""' => \&as_string,
		1628	fallback => 1;
1119		1629
1120	our $MAX_RESET = 3600;	1630	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1631	our $DEFAULT_RESET = 3000;
1122		1632
1123	sub generate_random_map {	1633	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1634	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1635	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1636	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1648	)
1140	}	1649	}
1141		1650
		1651	=item cf::map->register ($regex, $prio)
		1652
		1653	Register a handler for the map path matching the given regex at the
		1654	givne priority (higher is better, built-in handlers have priority 0, the
		1655	default).
		1656
		1657	=cut
		1658
1142	sub register {	1659	sub register {
1143	my (undef, $regex) = @_;	1660	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1661	my $pkg = caller;
1145		1662
1146	no strict;	1663	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1664	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1665
1149	$EXT_MAP{$pkg} = qr<$regex>;	1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1667	}
1151		1668
1152	# also paths starting with '/'	1669	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1671
1155	sub thawer_merge {	1672	sub thawer_merge {
		1673	my ($self, $merge) = @_;
		1674
1156	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1676	local $self->{path};
1158	local $_[0]{deny_save};	1677	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1678
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1679	$self->SUPER::thawer_merge ($merge);
1162	}	1680	}
1163		1681
1164	sub normalise {	1682	sub normalise {
1165	my ($path, $base) = @_;	1683	my ($path, $base) = @_;
		1684
		1685	$path = "$path"; # make sure its a string
		1686
		1687	$path =~ s/\.map$//;
1166		1688
1167	# map plan:	1689	# map plan:
1168	#	1690	#
1169	# /! non-realised random map exit (special hack!)	1691	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1692	# {... are special paths that are not being touched
…		…
1198		1720
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1721	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1722
1201	$path = normalise $path, $base;	1723	$path = normalise $path, $base;
1202		1724
1203	for my $pkg (keys %EXT_MAP) {	1725	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1726	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1727	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1728	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1208	return $self;	1730	return $self;
1209	}	1731	}
1210	}	1732	}
1211		1733
1212	Carp::carp "unable to resolve path '$path'.";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1735	()
1214	}	1736	}
1215		1737
1216	sub init {	1738	sub init {
1217	my ($self) = @_;	1739	my ($self) = @_;
…		…
1232		1754
1233	# the original (read-only) location	1755	# the original (read-only) location
1234	sub load_path {	1756	sub load_path {
1235	my ($self) = @_;	1757	my ($self) = @_;
1236		1758
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1238	}	1760	}
1239		1761
1240	# the temporary/swap location	1762	# the temporary/swap location
1241	sub save_path {	1763	sub save_path {
1242	my ($self) = @_;	1764	my ($self) = @_;
1243		1765
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1246	}	1768	}
1247		1769
1248	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1249	sub uniq_path {	1771	sub uniq_path {
1250	my ($self) = @_;	1772	my ($self) = @_;
1251		1773
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1254	}	1776	}
1255		1777
1256	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1257	# all maps in C++...	1779	# all maps in C++...
1258	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1260		1782
1261	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1263	}	1785	}
1264		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1265	sub unlink_save {	1795	sub unlink_save {
1266	my ($self) = @_;	1796	my ($self) = @_;
1267		1797
1268	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1802
1273	sub load_header_from($) {	1803	sub load_header_from($) {
1274	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1275		1805
1276	utf8::encode $path;	1806	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1278	or return;	1808	or return;
1279		1809
1280	$self->_load_header ($path)	1810	$self->_load_header ($f)
1281	or return;	1811	or return;
1282		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
		1815
1283	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1284		1817
1285	1	1818	1
1286	}	1819	}
1287		1820
1288	sub load_orig {	1821	sub load_header_orig {
1289	my ($self) = @_;	1822	my ($self) = @_;
1290		1823
1291	$self->load_header_from ($self->load_path)	1824	$self->load_header_from ($self->load_path)
1292	}	1825	}
1293		1826
1294	sub load_temp {	1827	sub load_header_temp {
1295	my ($self) = @_;	1828	my ($self) = @_;
1296		1829
1297	$self->load_header_from ($self->save_path)	1830	$self->load_header_from ($self->save_path)
		1831	}
		1832
		1833	sub prepare_temp {
		1834	my ($self) = @_;
		1835
		1836	$self->last_access ((delete $self->{last_access})
		1837	|| $cf::RUNTIME); #d#
		1838	# safety
		1839	$self->{instantiate_time} = $cf::RUNTIME
		1840	if $self->{instantiate_time} > $cf::RUNTIME;
		1841	}
		1842
		1843	sub prepare_orig {
		1844	my ($self) = @_;
		1845
		1846	$self->{load_original} = 1;
		1847	$self->{instantiate_time} = $cf::RUNTIME;
		1848	$self->last_access ($cf::RUNTIME);
		1849	$self->instantiate;
1298	}	1850	}
1299		1851
1300	sub load_header {	1852	sub load_header {
1301	my ($self) = @_;	1853	my ($self) = @_;
1302		1854
1303	if ($self->load_temp) {	1855	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1856	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1857	} else {
1310	$self->load_orig	1858	$self->load_header_orig
1311	or return;	1859	or return;
1312		1860	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1861	}
		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
1318		1868
1319	1	1869	1
1320	}	1870	}
1321		1871
1322	sub find;	1872	sub find;
1323	sub find {	1873	sub find {
1324	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1325		1875
1326	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1327		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1329		1880
1330	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1331	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1332	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1333	or return;	1886	or return;
1334		1887
1335	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1336		1889
1337	$map->load_header	1890	$map->load_header
1338	or return;	1891	or return;
1339		1892
1340	if ($map->should_reset) {	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1894	# doing this can freeze the server in a sync job, obviously
		1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1341	$map->reset;	1898	$map->reset;
1342	undef $guard;
1343	$map = find $path	1899	return find $path;
1344	or return;
1345	}	1900	}
1346		1901
1347	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1348	}	1903	}
1349	}	1904	}
		1905
		1906	sub pre_load { }
		1907	sub post_load { }
1350		1908
1351	sub load {	1909	sub load {
1352	my ($self) = @_;	1910	my ($self) = @_;
1353		1911
		1912	local $self->{deny_reset} = 1; # loading can take a long time
		1913
1354	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1355	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1356		1918
		1919	return unless $self->valid;
1357	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1358		1921
1359	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1360		1923
1361	$self->alloc;	1924	$self->alloc;
1362	$self->_load_objects ($self->{load_path}, 1)	1925
		1926	$self->pre_load;
		1927	cf::cede_to_tick;
		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1363	or return;	1932	or return;
1364		1933
1365	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1366	if delete $self->{load_original};	1935	if delete $self->{load_original};
1367		1936
1368	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1369	utf8::encode $uniq;	1938	utf8::encode $uniq;
1370	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1371	$self->clear_unique_items;	1941	$self->clear_unique_items;
1372	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1373	}	1945	}
1374	}	1946	}
1375		1947
1376	Coro::cede;	1948	$f->resolve_delayed_derefs;
1377		1949
		1950	cf::cede_to_tick;
1378	# now do the right thing for maps	1951	# now do the right thing for maps
1379	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1380
1381	unless ($self->{deny_activate}) {
1382	$self->decay_objects;
1383	$self->fix_auto_apply;
1384	$self->update_buttons;
1385	Coro::cede;
1386	$self->set_darkness_map;
1387	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1388	unless $self->difficulty;	1954	unless $self->difficulty;
1389	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1390	$self->activate;	1964	$self->activate;
1391	}	1965	}
1392		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
1393	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
		1971	}
		1972
		1973	$self->post_load;
1394	}	1974	}
1395		1975
1396	sub customise_for {	1976	sub customise_for {
1397	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1398		1978
1399	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1400	if $self->per_player;	1980	if $self->per_player;
1401		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1402	$self	1985	$self
1403	}	1986	}
1404		1987
1405	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1406	sub load_diag {	1989	sub load_neighbours {
1407	my ($map) = @_;	1990	my ($map) = @_;
1408		1991
1409	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1410		1993
1411	for (0 .. 3) {	1994	for (0 .. 3) {
1412	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1413	or next;	1996	or next;
1414	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1415	or next;	1998	or next;
1416	$neigh->load;	1999	$neigh->load;
1417		2000
		2001	push @neigh,
1418	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1419	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1420	}	2004	}
1421		2005
1422	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1423	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1424	or next;	2009	or next;
1425	$neigh->load;	2010	$neigh->load;
1426	}	2011	}
1427	}	2012	}
1428		2013
…		…
1433	}	2018	}
1434		2019
1435	sub do_load_sync {	2020	sub do_load_sync {
1436	my ($map) = @_;	2021	my ($map) = @_;
1437		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1438	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1439	}	2027	}
1440		2028
1441	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1442	our $MAP_PREFETCHER = Coro::async {	2030	our $MAP_PREFETCHER = undef;
1443	while () {
1444	for my $path (keys %MAP_PREFETCH) {
1445	my $map = find $path
1446	or next;
1447	$map->load;
1448
1449	delete $MAP_PREFETCH{$path};
1450	}
1451	Coro::schedule;
1452	}
1453	};
1454		2031
1455	sub find_async {	2032	sub find_async {
1456	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1457		2034
1458	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1459		2036
1460	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1461	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2039	}
		2040
		2041	$MAP_PREFETCH{$path} |= $load;
		2042
		2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
		2046	while (%MAP_PREFETCH) {
		2047	while (my ($k, $v) = each %MAP_PREFETCH) {
		2048	if (my $map = find $k) {
		2049	$map->load if $v;
		2050	}
		2051
		2052	delete $MAP_PREFETCH{$k};
		2053	}
		2054	}
		2055	undef $MAP_PREFETCHER;
1462	}	2056	};
1463
1464	$MAP_PREFETCH{$path} = 0;
1465	$MAP_PREFETCHER->ready;	2057	$MAP_PREFETCHER->prio (6);
1466		2058
1467	()	2059	()
1468	}	2060	}
1469		2061
1470	sub save {	2062	sub save {
1471	my ($self) = @_;	2063	my ($self) = @_;
1472		2064
1473	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1474		2066
1475	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1476		2068
1477	return unless $self->dirty;	2069	return unless $self->dirty;
1478		2070
…		…
1484	return if $self->{deny_save};	2076	return if $self->{deny_save};
1485		2077
1486	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1487		2079
1488	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1489	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1490	};	2083	};
1491		2084
1492	if ($uniq) {	2085	if ($uniq) {
1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1501	my ($self) = @_;	2094	my ($self) = @_;
1502		2095
1503	# save first because save cedes	2096	# save first because save cedes
1504	$self->save;	2097	$self->save;
1505		2098
1506	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1507		2100
1508	return if $self->players;	2101	return if $self->players;
1509	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1510	return if $self->{deny_save};	2103	return if $self->{deny_save};
1511		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1512	$self->clear;	2109	$self->clear;
1513	$self->in_memory (cf::MAP_SWAPPED);
1514	}	2110	}
1515		2111
1516	sub reset_at {	2112	sub reset_at {
1517	my ($self) = @_;	2113	my ($self) = @_;
1518		2114
1519	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1520	return 1e99 if $self->isa ("ext::map_per_player");#d#
1521	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1522		2117
1523	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1524	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1525		2120
…		…
1530	my ($self) = @_;	2125	my ($self) = @_;
1531		2126
1532	$self->reset_at <= $cf::RUNTIME	2127	$self->reset_at <= $cf::RUNTIME
1533	}	2128	}
1534		2129
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	normalise $new_path;
1539
1540	$self->unlink_save;
1541
1542	delete $cf::MAP{$self->path};
1543	$self->{path} = $new_path; $self->path ($self->{path});
1544	$cf::MAP{$self->path} = $self;
1545
1546	$self->save;
1547	}
1548
1549	sub reset {	2130	sub reset {
1550	my ($self) = @_;	2131	my ($self) = @_;
1551		2132
1552	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2134
1554	return if $self->players;	2135	return if $self->players;
1555	return if $self->isa ("ext::map_per_player");#d#
1556		2136
1557	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1558		2148
1559	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1560		2150
1561	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1562	$self->clear;	2153	$self->clear;
1563
1564	$_->clear_links_to ($self) for values %cf::MAP;
1565		2154
1566	$self->unlink_save;	2155	$self->unlink_save;
1567	$self->destroy;	2156	$self->destroy;
1568	}	2157	}
1569		2158
1570	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1571		2160
1572	sub nuke {	2161	sub nuke {
1573	my ($self) = @_;	2162	my ($self) = @_;
1574		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
		2167	delete $cf::MAP{$self->path};
		2168
		2169	$self->unlink_save;
		2170
		2171	bless $self, "cf::map";
		2172	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1577	$self->rename ("{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2176
		2177	$cf::MAP{$self->path} = $self;
		2178	}
		2179
1578	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1579	}	2217	}
1580		2218
1581	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1582		2220
1583	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2222	instantiated unique items. May block.
1585		2223
1586	=cut	2224	=cut
1587		2225
1588	sub unique_maps() {	2226	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1590	or return;	2228	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2229	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2230	/\.map$/
1600	push @paths, $_;	2231	? normalise $_
		2232	: ()
		2233	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2234	]
1602
1603	\@paths
1604	}	2235	}
1605		2236
1606	package cf;	2237	package cf;
1607		2238
1608	=back	2239	=back
…		…
1626	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1627	}	2258	}
1628		2259
1629	sub inv_recursive {	2260	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1631	}	2293	}
1632		2294
1633	package cf;	2295	package cf;
1634		2296
1635	=back	2297	=back
…		…
1654		2316
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2318
1657	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1659	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1662	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1663	}	2344	}
1664		2345
1665	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1666		2347
1667	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2380	=cut
1700		2381
1701	sub link_map {	2382	sub link_map {
1702	unless ($LINK_MAP) {	2383	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2384	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2385	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2386	$LINK_MAP->load;
1706	}	2387	}
1707		2388
1708	$LINK_MAP	2389	$LINK_MAP
1709	}	2390	}
…		…
1714	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1715		2396
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2398
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1720		2401
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2403	}
1723		2404
1724	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1726		2409
1727	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1728		2411
1729	unless ($map) {	2412	unless ($map) {
1730	# restore original map position	2413	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1747		2430
1748	$map->load;	2431	$map->load;
1749	$map->load_diag;	2432	$map->load_neighbours;
1750		2433
1751	return unless $self->contr->active;	2434	return unless $self->contr->active;
1752	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1754	}	2439	}
1755		2440
1756	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2442
1760	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1764	};	2447	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2448
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1791		2452
1792	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2458
1795	$self->enter_link;	2459	$self->enter_link;
1796		2460
1797	(async {	2461	(async {
1798	my $map = cf::map::find $path;	2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
		2483	my $map = eval {
		2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
1800		2488	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2489	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
1805		2492
		2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
		2499	}
		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1807	})->prio (1);	2507	})->prio (1);
1808	}	2508	}
1809		2509
1810	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1811		2511
…		…
1813		2513
1814	sub parse_random_map_params {	2514	sub parse_random_map_params {
1815	my ($spec) = @_;	2515	my ($spec) = @_;
1816		2516
1817	my $rmp = { # defaults	2517	my $rmp = { # defaults
1818	xsize => 10,	2518	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2519	ysize => (cf::rndm 15, 40),
		2520	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2521	#layout => string,
1820	};	2522	};
1821		2523
1822	for (split /\n/, $spec) {	2524	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2525	my ($k, $v) = split /\s+/, $_, 2;
1824		2526
…		…
1828	$rmp	2530	$rmp
1829	}	2531	}
1830		2532
1831	sub prepare_random_map {	2533	sub prepare_random_map {
1832	my ($exit) = @_;	2534	my ($exit) = @_;
		2535
		2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2537
1834	# all this does is basically replace the /! path by	2538	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2539	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2540	# that depends on the exit object
1837		2541
1838	my $rmp = parse_random_map_params $exit->msg;	2542	my $rmp = parse_random_map_params $exit->msg;
1839		2543
1840	if ($exit->map) {	2544	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2545	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2546	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2547	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2548	$rmp->{origin_y} = $exit->y;
1845	}	2549	}
1846		2550
1847	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1848		2552
1849	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
		2555	my $meta = "$RANDOMDIR/$md5.meta";
1851		2556
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
		2559	undef $fh;
		2560	aio_rename "$meta~", $meta;
1854		2561
1855	$exit->slaying ("?random/$md5");	2562	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2563	$exit->msg (undef);
1857	}	2564	}
1858	}	2565	}
…		…
1860	sub cf::object::player::enter_exit {	2567	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2568	my ($self, $exit) = @_;
1862		2569
1863	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1864		2571
		2572	if ($exit->slaying eq "/!") {
		2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
		2576	cf::sync_job { prepare_random_map $exit };
		2577	}
		2578
		2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2580	my $hp = $exit->stats->hp;
		2581	my $sp = $exit->stats->sp;
		2582
1865	$self->enter_link;	2583	$self->enter_link;
1866		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1867	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1868	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2593	unless (eval {
1870	prepare_random_map $exit	2594	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2595
1876	1;	2596	1;
1877	}) {	2597	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2602
1883	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2604	$self->leave_link;
1885	}	2605	}
1886	})->prio (1);	2606	})->prio (1);
…		…
1899		2619
1900	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1902		2622
1903	utf8::encode $text;	2623	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2625	}
1906		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
		2720	=item $client->ext_msg ($type, @msg)
		2721
		2722	Sends an ext event to the client.
		2723
		2724	=cut
		2725
		2726	sub cf::client::ext_msg($$@) {
		2727	my ($self, $type, @msg) = @_;
		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
		2732	push @msg, msgtype => "event_$type";
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
		2753	}
1907		2754
1908	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
1909		2756
1910	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2760
1914	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2762	become reliable at some point in the future.
1916		2763
1917	=cut	2764	=cut
1918		2765
1919	sub cf::client::query {	2766	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2775	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2777
1931	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
1933	}	2782	}
1934		2783
1935	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
1936	on_reply => sub {	2790	on_reply => sub {
1937	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
1938		2792
1939	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
1940	# get handled first	2794	# get handled first
1941	my $queue = delete $ns->{query_queue}	2795	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2796	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2797
1944	(shift @$queue)->[1]->($msg);	2798	(shift @$queue)->[1]->($msg);
		2799	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2800
1946	push @{ $ns->{query_queue} }, @$queue;	2801	push @{ $ns->{query_queue} }, @$queue;
1947		2802
1948	if (@{ $ns->{query_queue} } == @$queue) {	2803	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2804	if (@$queue) {
…		…
1951	} else {	2806	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2808	}
1954	}	2809	}
1955	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
1956	);	2837	);
1957		2838
1958	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
1959		2840
1960	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2003		2884
2004	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2005		2886
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2007		2892
2008	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2009		2894
2010	=pod	2895	=pod
2011		2896
2012	The following fucntions and emthods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2013		2898
2014	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2015	cf::object::player player	2903	cf::object::player
2016	cf::player peaceful	2904	player
2017	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2018		2911
2019	=cut	2912	=cut
2020		2913
2021	for (	2914	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2023	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2026	) {	2921	) {
2027	no strict 'refs';	2922	no strict 'refs';
…		…
2098	=back	2993	=back
2099		2994
2100	=cut	2995	=cut
2101		2996
2102	#############################################################################	2997	#############################################################################
		2998	# the server's init and main functions
2103		2999
2104	=head2 EXTENSION DATABASE SUPPORT	3000	sub load_facedata($) {
		3001	my ($path) = @_;
2105		3002
2106	Crossfire maintains a very simple database for extension use. It can	3003	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	3004	# for this (global event?)
2108	excludes objects.	3005	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		3006
2110	The parameter C<$family> should best start with the name of the extension	3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		3008
2113	=over 4	3009	warn "loading facedata from $path\n";
2114		3010
2115	=item $hashref = cf::db_get $family	3011	my $facedata;
		3012	0 < aio_load $path, $facedata
		3013	or die "$path: $!";
2116		3014
2117	Return a hashref for use by the extension C<$family>, which can be	3015	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		3016
2121	=item $value = cf::db_get $family => $key	3017	$facedata->{version} == 2
		3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		3019
2123	Returns a single value from the database	3020	# patch in the exptable
2124		3021	$facedata->{resource}{"res/exp_table"} = {
2125	=item cf::db_put $family => $hashref	3022	type => FT_RSRC,
2126		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}
2153
2154	my $pid;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	3024	};
		3025	cf::cede_to_tick;
2176		3026
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	3027	{
		3028	my $faces = $facedata->{faceinfo};
2181		3029
2182	sub db_get($;$) {	3030	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}	3032	cf::face::set_visibility $idx, $info->{visibility};
2185	: ($DB->{$_[0]} ||= { })	3033	cf::face::set_magicmap $idx, $info->{magicmap};
2186	}	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187		3036
2188	sub db_put($$;$) {	3037	cf::cede_to_tick;
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	3038	}
2202	);
2203	}
2204		3039
2205	#############################################################################	3040	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	3041	next unless $info->{smooth};
		3042	my $idx = cf::face::find $face
		3043	or next;
		3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
		3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3047	} else {
		3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3049	}
2207		3050
2208	sub cfg_load {	3051	cf::cede_to_tick;
		3052	}
		3053	}
		3054
		3055	{
		3056	my $anims = $facedata->{animinfo};
		3057
		3058	while (my ($anim, $info) = each %$anims) {
		3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3060	cf::cede_to_tick;
		3061	}
		3062
		3063	cf::anim::invalidate_all; # d'oh
		3064	}
		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
		3115	1
		3116	}
		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
		3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
		3131	load_resource_file "$MAPDIR/regions"
		3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
		3138	}
		3139
		3140	sub reload_facedata {
		3141	load_facedata "$DATADIR/facedata"
		3142	or die "unable to load facedata\n";
		3143	}
		3144
		3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
		3153	}
		3154
		3155	sub reload_treasures {
		3156	load_resource_file "$DATADIR/treasures"
		3157	or die "unable to load treasurelists\n";
		3158	}
		3159
		3160	sub reload_resources {
		3161	warn "reloading resource files...\n";
		3162
		3163	reload_regions;
		3164	reload_facedata;
		3165	#reload_archetypes;#d#
		3166	reload_archetypes;
		3167	reload_treasures;
		3168
		3169	warn "finished reloading resource files\n";
		3170	}
		3171
		3172	sub init {
		3173	reload_resources;
		3174	}
		3175
		3176	sub reload_config {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3178	or return;
2211		3179
2212	local $/;	3180	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
2214		3182
…		…
2228		3196
2229	sub main {	3197	sub main {
2230	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2233	async { Event::one_event };	3203	Event::one_event;
		3204	})->prio (Coro::PRIO_MAX);
2234	};	3205	};
2235		3206
2236	cfg_load;	3207	reload_config;
2237	db_load;	3208	db_init;
2238	load_extensions;	3209	load_extensions;
		3210
		3211	$TICK_WATCHER->start;
2239	Event::loop;	3212	Event::loop;
2240	}	3213	}
2241		3214
2242	#############################################################################	3215	#############################################################################
2243	# initialisation and cleanup	3216	# initialisation and cleanup
2244		3217
2245	# install some emergency cleanup handlers	3218	# install some emergency cleanup handlers
2246	BEGIN {	3219	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	3220	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	3221	Event->signal (
		3222	reentrant => 0,
2249	data => WF_AUTOCANCEL,	3223	data => WF_AUTOCANCEL,
2250	signal => $signal,	3224	signal => $signal,
		3225	prio => 0,
2251	cb => sub {	3226	cb => sub {
2252	cf::cleanup "SIG$signal";	3227	cf::cleanup "SIG$signal";
2253	},	3228	},
2254	);	3229	);
2255	}	3230	}
		3231	}
		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
2256	}	3269	}
2257		3270
2258	sub emergency_save() {	3271	sub emergency_save() {
2259	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2260		3273
…		…
2277	my $map = $cf::MAP{$path} or next;	3290	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	3291	$map->valid or next;
2279	$map->save;	3292	$map->save;
2280	}	3293	}
2281	warn "end emergency map save\n";	3294	warn "end emergency map save\n";
		3295
		3296	warn "begin emergency database checkpoint\n";
		3297	BDB::db_env_txn_checkpoint $DB_ENV;
		3298	warn "end emergency database checkpoint\n";
2282	};	3299	};
2283		3300
2284	warn "leave emergency perl save\n";	3301	warn "leave emergency perl save\n";
2285	}	3302	}
2286		3303
		3304	sub post_cleanup {
		3305	my ($make_core) = @_;
		3306
		3307	warn Carp::longmess "post_cleanup backtrace"
		3308	if $make_core;
		3309	}
		3310
2287	sub reload() {	3311	sub do_reload_perl() {
2288	# can/must only be called in main	3312	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	3313	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	3314	warn "can only reload from main coroutine";
2291	return;	3315	return;
2292	}	3316	}
2293		3317
2294	warn "reloading...";	3318	warn "reloading...";
2295		3319
2296	warn "freezing server";	3320	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	3321
		3322	cf::sync_job {
		3323	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	3324	cf::emergency_save;
		3325	cf::write_runtime; # external watchdog should not bark
2299		3326
2300	warn "sync database to disk";	3327	warn "syncing database to disk";
2301	cf::db_sync;	3328	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		3329
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	3330	# if anything goes wrong in here, we should simply crash as we already saved
2306		3331
2307	warn "cancel all watchers";	3332	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	3333	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	3334	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	3335	}
2311		3336
		3337	warn "flushing outstanding aio requests";
		3338	for (;;) {
		3339	BDB::flush;
		3340	IO::AIO::flush;
		3341	Coro::cede;
		3342	last unless IO::AIO::nreqs || BDB::nreqs;
		3343	warn "iterate...";
		3344	}
		3345
		3346	++$RELOAD;
		3347
2312	warn "cancel all extension coros";	3348	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	3349	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	3350	%EXT_CORO = ();
2315		3351
2316	warn "remove commands";	3352	warn "removing commands";
2317	%COMMAND = ();	3353	%COMMAND = ();
2318		3354
2319	warn "remove ext commands";	3355	warn "removing ext/exti commands";
2320	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2321		3358
2322	warn "unload/nuke all extensions";	3359	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2325		3362
2326	if (my $cb = $pkg->can ("unload")) {	3363	if (my $cb = $pkg->can ("unload")) {
2327	eval {	3364	eval {
…		…
2332		3369
2333	warn "... nuking $pkg";	3370	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	3371	Symbol::delete_package $pkg;
2335	}	3372	}
2336		3373
2337	warn "unload all perl modules loaded from $LIBDIR";	3374	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	3375	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		3377
2341	warn "removing <$k>";	3378	warn "... unloading $k";
2342	delete $INC{$k};	3379	delete $INC{$k};
2343		3380
2344	$k =~ s/\.pm$//;	3381	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	3382	$k =~ s/\//::/g;
2346		3383
…		…
2349	}	3386	}
2350		3387
2351	Symbol::delete_package $k;	3388	Symbol::delete_package $k;
2352	}	3389	}
2353		3390
2354	warn "get rid of safe::, as good as possible";	3391	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	3392	Symbol::delete_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		3394
2358	warn "unload cf.pm \"a bit\"";	3395	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	3396	delete $INC{"cf.pm"};
		3397	delete $INC{"cf/pod.pm"};
2360		3398
2361	# don't, removes xs symbols, too,	3399	# don't, removes xs symbols, too,
2362	# and global variables created in xs	3400	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	3401	#Symbol::delete_package __PACKAGE__;
2364		3402
		3403	warn "unload completed, starting to reload now";
		3404
2365	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2366	require cf;	3406	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		3408
2369	warn "load config and database again";	3409	warn "loading config and database again";
2370	cf::cfg_load;	3410	cf::reload_config;
2371	cf::db_load;
2372		3411
2373	warn "load extensions";	3412	warn "loading extensions";
2374	cf::load_extensions;	3413	cf::load_extensions;
2375		3414
2376	warn "reattach attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
2377	_global_reattach;	3416	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	3417	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	3418	reattach $_ for values %MAP;
2380	};	3419	warn "reattaching attachments to players";
		3420	reattach $_ for values %PLAYER;
2381		3421
2382	if ($@) {	3422	warn "leaving sync_job";
		3423
		3424	1
		3425	} or do {
2383	warn $@;	3426	warn $@;
2384	warn "error while reloading, exiting.";	3427	warn "error while reloading, exiting.";
2385	exit 1;	3428	exit 1;
2386	}	3429	};
2387		3430
2388	warn "reloaded";	3431	warn "reloaded";
2389	};	3432	};
2390		3433
		3434	our $RELOAD_WATCHER; # used only during reload
		3435
		3436	sub reload_perl() {
		3437	# doing reload synchronously and two reloads happen back-to-back,
		3438	# coro crashes during coro_state_free->destroy here.
		3439
		3440	$RELOAD_WATCHER ||= Event->timer (
		3441	reentrant => 0,
		3442	after => 0,
		3443	data => WF_AUTOCANCEL,
		3444	cb => sub {
		3445	do_reload_perl;
		3446	undef $RELOAD_WATCHER;
		3447	},
		3448	);
		3449	}
		3450
2391	register_command "reload" => sub {	3451	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2393		3453
2394	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	3455	$who->message ("reloading server.");
		3456	async {
		3457	$Coro::current->{desc} = "perl_reload";
		3458	reload_perl;
		3459	};
2398	}	3460	}
2399	};	3461	};
2400		3462
2401	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
		3464
		3465	my $bug_warning = 0;
		3466
		3467	our @WAIT_FOR_TICK;
		3468	our @WAIT_FOR_TICK_BEGIN;
		3469
		3470	sub wait_for_tick {
		3471	return unless $TICK_WATCHER->is_active;
		3472	return if $Coro::current == $Coro::main;
		3473
		3474	my $signal = new Coro::Signal;
		3475	push @WAIT_FOR_TICK, $signal;
		3476	$signal->wait;
		3477	}
		3478
		3479	sub wait_for_tick_begin {
		3480	return unless $TICK_WATCHER->is_active;
		3481	return if $Coro::current == $Coro::main;
		3482
		3483	my $signal = new Coro::Signal;
		3484	push @WAIT_FOR_TICK_BEGIN, $signal;
		3485	$signal->wait;
		3486	}
2402		3487
2403	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	3489	reentrant => 0,
		3490	parked => 1,
2405	prio => 0,	3491	prio => 0,
2406	at => $NEXT_TICK || $TICK,	3492	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	3493	data => WF_AUTOCANCEL,
2408	cb => sub {	3494	cb => sub {
		3495	if ($Coro::current != $Coro::main) {
		3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3497	unless ++$bug_warning > 10;
		3498	return;
		3499	}
		3500
2409	$NOW = Event::time;	3501	$NOW = $tick_start = Event::time;
2410		3502
2411	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
		3504
2412	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2414		3507
2415	$WAIT_FOR_TICK->broadcast;	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
		3512	write_runtime
		3513	or warn "ERROR: unable to write runtime file: $!";
		3514	};
		3515	}
		3516
		3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3518	$sig->send;
		3519	}
		3520	while (my $sig = shift @WAIT_FOR_TICK) {
		3521	$sig->send;
		3522	}
		3523
		3524	$NOW = Event::time;
2417		3525
2418	# if we are delayed by four ticks or more, skip them all	3526	# if we are delayed by four ticks or more, skip them all
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2420		3528
2421	$TICK_WATCHER->at ($NEXT_TICK);	3529	$TICK_WATCHER->at ($NEXT_TICK);
2422	$TICK_WATCHER->start;	3530	$TICK_WATCHER->start;
		3531
		3532	$LOAD = ($NOW - $tick_start) / $TICK;
		3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3534
		3535	_post_tick;
2423	},	3536	},
2424	);	3537	);
2425		3538
		3539	{
		3540	BDB::min_parallel 8;
		3541	BDB::max_poll_time $TICK * 0.1;
		3542	$BDB_POLL_WATCHER = Event->io (
		3543	reentrant => 0,
		3544	fd => BDB::poll_fileno,
		3545	poll => 'r',
		3546	prio => 0,
		3547	data => WF_AUTOCANCEL,
		3548	cb => \&BDB::poll_cb,
		3549	);
		3550
		3551	BDB::set_sync_prepare {
		3552	my $status;
		3553	my $current = $Coro::current;
		3554	(
		3555	sub {
		3556	$status = $!;
		3557	$current->ready; undef $current;
		3558	},
		3559	sub {
		3560	Coro::schedule while defined $current;
		3561	$! = $status;
		3562	},
		3563	)
		3564	};
		3565
		3566	unless ($DB_ENV) {
		3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3572
		3573	cf::sync_job {
		3574	eval {
		3575	BDB::db_env_open
		3576	$DB_ENV,
		3577	$BDBDIR,
		3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3580	0666;
		3581
		3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3583	};
		3584
		3585	cf::cleanup "db_env_open(db): $@" if $@;
		3586	};
		3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
		3619	}
		3620
		3621	{
		3622	IO::AIO::min_parallel 8;
		3623
		3624	undef $Coro::AIO::WATCHER;
2426	IO::AIO::max_poll_time $TICK * 0.2;	3625	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	3627	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	3628	data => WF_AUTOCANCEL,
2438	after => 0,	3629	fd => IO::AIO::poll_fileno,
2439	interval => 10,	3630	poll => 'r',
2440	cb => sub {	3631	prio => 6,
2441	(Coro::unblock_sub {	3632	cb => \&IO::AIO::poll_cb,
2442	write_runtime	3633	);
2443	or warn "ERROR: unable to write runtime file: $!";	3634	}
		3635
		3636	my $_log_backtrace;
		3637
		3638	sub _log_backtrace {
		3639	my ($msg, @addr) = @_;
		3640
		3641	$msg =~ s/\n//;
		3642
		3643	# limit the # of concurrent backtraces
		3644	if ($_log_backtrace < 2) {
		3645	++$_log_backtrace;
		3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
		3649	my @bt = fork_call {
		3650	@addr = map { sprintf "%x", $_ } @addr;
		3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3653	or die "addr2line: $!";
		3654
		3655	my @funcs;
		3656	my @res = <$fh>;
		3657	chomp for @res;
		3658	while (@res) {
		3659	my ($func, $line) = splice @res, 0, 2, ();
		3660	push @funcs, "[$func] $line";
		3661	}
		3662
		3663	@funcs
		3664	};
		3665
		3666	LOG llevInfo, "[ABT] $msg\n";
		3667	LOG llevInfo, "[ABT] $_\n" for @bt;
		3668	--$_log_backtrace;
2444	})->();	3669	};
		3670	} else {
		3671	LOG llevInfo, "[ABT] $msg\n";
		3672	LOG llevInfo, "[ABT] [suppressed]\n";
2445	},	3673	}
2446	);	3674	}
		3675
		3676	# load additional modules
		3677	use cf::pod;
2447		3678
2448	END { cf::emergency_save }	3679	END { cf::emergency_save }
2449		3680
2450	1	3681	1
2451		3682

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