ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.383 by root, Thu Oct 11 21:09:29 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 3.4 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		488
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
352	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
353		493
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		495
358	aio_fsync $fh	496	sub fork_call(&@) {
359	and return;	497	my ($cb, @args) = @_;
360		498
361	close $fh	499	# we seemingly have to make a local copy of the whole thing,
362	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
363		502
364	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
365	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
366		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
367	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	647	}
369		648
370	=back	649	=back
371		650
372	=cut	651	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
381		660
382	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	663	Crossfire TRT).
385		664
386	=over 4	665	=over 4
387		666
388	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
389		668
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
553		832
554	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		837
559	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	839	my $pkg = shift @arg;
561		840
562	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
592	}	871	}
593		872
594	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
595	} else {	874	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	876	}
598		877
599	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
600	}	879	}
601		880
…		…
603	if (ref $_[0]) {	882	if (ref $_[0]) {
604	_object_attach @_;	883	_object_attach @_;
605	} else {	884	} else {
606	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
607	}	886	}
		887	_recalc_want;
608	};	888	};
609		889
610	# all those should be optimised	890	# all those should be optimised
611	sub cf::attachable::detach {	891	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
616	reattach ($obj);	896	reattach ($obj);
617	} else {	897	} else {
618	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
619	}	899	}
		900	_recalc_want;
620	};	901	};
621		902
622	sub cf::attachable::attached {	903	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
624		905
…		…
639	";	920	";
640	die if $@;	921	die if $@;
641	}	922	}
642		923
643	our $override;	924	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		926
646	sub override {	927	sub override {
647	$override = 1;	928	$override = 1;
648	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
649	}	930	}
650		931
651	sub do_invoke {	932	sub do_invoke {
652	my $event = shift;	933	my $event = shift;
653	my $callbacks = shift;	934	my $callbacks = shift;
654		935
655	@invoke_results = ();	936	@INVOKE_RESULTS = ();
656		937
657	local $override;	938	local $override;
658		939
659	for (@$callbacks) {	940	for (@$callbacks) {
660	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
677		958
678	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
679		960
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		964
684	=back	965	=back
685		966
686	=cut	967	=cut
687		968
688	#############################################################################	969	#############################################################################
689	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
690		982
691	sub reattach {	983	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	985	my ($obj) = @_;
694		986
…		…
741	sub object_freezer_save {	1033	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
743		1035
744	sync_job {	1036	sync_job {
745	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
748		1041
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1046	close $fh;
754		1047
755	if (@$objs) {	1048	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1054	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
763	}	1056	}
764	} else {	1057	} else {
765	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
771	}	1064	}
772	} else {	1065	} else {
773	aio_unlink $filename;	1066	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
775	}	1068	}
776	}	1069	};
777	}	1070	}
778		1071
779	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
781		1074
…		…
793	or return;	1086	or return;
794		1087
795	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
797	or return;	1090	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };
799	}
800		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
803	return ($data, $av);	1101	($data, $av)
804	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
805		1109
806	#############################################################################	1110	#############################################################################
807	# command handling &c	1111	# command handling &c
808		1112
809	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1127	}
824		1128
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1130
827	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
828		1136
829	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
830	called.	1138	called.
831		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
832	=cut	1151	=cut
833		1152
834	sub register_extcmd {	1153	sub register_extcmd {
835	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
836		1155
837	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
838	}	1163	}
839		1164
840	cf::player->attach (	1165	cf::player->attach (
841	on_command => sub {	1166	on_command => sub {
842	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1176	cf::override;
852	},	1177	},
853	on_extcmd => sub {	1178	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
855		1180
856	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1182
858	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
864	} else {	1198	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1200	}
867		1201
868	cf::override;	1202	cf::override;
869	},	1203	},
870	);	1204	);
871		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
907	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1211	next unless -r $path;
909	eval {	1212
910	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
911	1	1270	}
912	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
913	}	1276	};
914	}	1277	}
915		1278
916	#############################################################################	1279	#############################################################################
917		1280
		1281	=back
		1282
918	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
919		1284
920	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
921		1286
922	=cut	1287	=cut
…		…
927		1292
928	=head3 cf::player	1293	=head3 cf::player
929		1294
930	=over 4	1295	=over 4
931		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
932	=item cf::player::find $login	1311	=item cf::player::find $login
933		1312
934	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
935		1314
936	=cut	1315	=cut
937		1316
938	sub playerdir($) {	1317	sub playerdir($) {
939	cf::localdir	1318	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1320	}
945		1321
946	sub path($) {	1322	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1324
949	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
950	}	1326	}
951		1327
952	sub find_active($) {	1328	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
957		1333
958	sub exists($) {	1334	sub exists($) {
959	my ($login) = @_;	1335	my ($login) = @_;
960		1336
961	$cf::PLAYER{$login}	1337	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1338	or cf::sync_job { !aio_stat path $login }
963	}	1339	}
964		1340
965	sub find($) {	1341	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1342	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1343	my $login = $_[0];
968		1344
969	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
970		1346
971	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
973	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
975	}	1363	}
976	}	1364	}
977	}	1365	}
978		1366
…		…
988		1376
989	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
991		1379
992	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
993	Coro::cede;	1381	cf::cede_to_tick;
994	}	1382	}
995		1383
996	sub new($) {	1384	sub new($) {
997	my ($login) = @_;	1385	my ($login) = @_;
998		1386
…		…
1004	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1005		1393
1006	$self	1394	$self
1007	}	1395	}
1008		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1009	=item $pl->quit_character	1407	=item $pl->quit_character
1010		1408
1011	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1013		1411
1014	=cut	1412	=cut
1015		1413
1016	sub quit_character {	1414	sub quit_character {
1017	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1018		1418
1019	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1421
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1032	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1033	}	1453	}
1034		1454
1035	=item cf::player::list_logins	1455	=item cf::player::list_logins
1036		1456
1037	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1039		1459
1040	=cut	1460	=cut
1041		1461
1042	sub list_logins {	1462	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1464	or return [];
1045		1465
1046	my @logins;	1466	my @logins;
1047		1467
1048	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1052		1477
1053	utf8::decode $login;	1478	utf8::decode $login;
1054	push @logins, $login;	1479	push @logins, $login;
1055	}	1480	}
1056		1481
…		…
1064		1489
1065	=cut	1490	=cut
1066		1491
1067	sub maps($) {	1492	sub maps($) {
1068	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1496
1070	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1071	or return;	1498	or return;
1072		1499
1073	my @paths;	1500	my @paths;
…		…
1075	for (@$files) {	1502	for (@$files) {
1076	utf8::decode $_;	1503	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1079		1506
1080	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1508	}
1083		1509
1084	\@paths	1510	\@paths
1085	}	1511	}
1086		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1088		1565
1089	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1090		1567
1091	=cut	1568	=cut
1092		1569
1093	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1095		1572
1096	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1574	}
1100		1575
1101	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1102		1616
1103	=back	1617	=back
1104
1105		1618
1106	=head3 cf::map	1619	=head3 cf::map
1107		1620
1108	=over 4	1621	=over 4
1109		1622
…		…
1121	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1123		1636
1124	sub generate_random_map {	1637	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1640	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1652	)
1141	}	1653	}
1142		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
1143	sub register {	1663	sub register {
1144	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1665	my $pkg = caller;
1146		1666
1147	no strict;	1667	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1669
1150	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1671	}
1152		1672
1153	# also paths starting with '/'	1673	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1675
1156	sub thawer_merge {	1676	sub thawer_merge {
1157	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1158		1678
1159	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1160	local $self->{path};	1680	local $self->{path};
1161	local $self->{load_path};	1681	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1682
1165	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1166	}	1684	}
1167		1685
1168	sub normalise {	1686	sub normalise {
1169	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1170		1692
1171	# map plan:	1693	# map plan:
1172	#	1694	#
1173	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1202		1724
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1726
1205	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1206		1728
1207	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1212	return $self;	1734	return $self;
1213	}	1735	}
1214	}	1736	}
1215		1737
1216	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1739	()
1218	}	1740	}
1219		1741
1220	sub init {	1742	sub init {
1221	my ($self) = @_;	1743	my ($self) = @_;
…		…
1236		1758
1237	# the original (read-only) location	1759	# the original (read-only) location
1238	sub load_path {	1760	sub load_path {
1239	my ($self) = @_;	1761	my ($self) = @_;
1240		1762
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1242	}	1764	}
1243		1765
1244	# the temporary/swap location	1766	# the temporary/swap location
1245	sub save_path {	1767	sub save_path {
1246	my ($self) = @_;	1768	my ($self) = @_;
1247		1769
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1250	}	1772	}
1251		1773
1252	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1253	sub uniq_path {	1775	sub uniq_path {
1254	my ($self) = @_;	1776	my ($self) = @_;
1255		1777
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1258	}	1780	}
1259		1781
1260	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1261	# all maps in C++...	1783	# all maps in C++...
1262	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1264		1786
1265	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1267	}	1789	}
1268		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1269	sub unlink_save {	1799	sub unlink_save {
1270	my ($self) = @_;	1800	my ($self) = @_;
1271		1801
1272	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1806
1277	sub load_header_from($) {	1807	sub load_header_from($) {
1278	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1279		1809
1280	utf8::encode $path;	1810	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1282	or return;	1812	or return;
1283		1813
1284	$self->_load_header ($path)	1814	$self->_load_header ($f)
1285	or return;	1815	or return;
1286		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1287	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1288		1821
1289	1	1822	1
1290	}	1823	}
1291		1824
1292	sub load_orig {	1825	sub load_header_orig {
1293	my ($self) = @_;	1826	my ($self) = @_;
1294		1827
1295	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1296	}	1829	}
1297		1830
1298	sub load_temp {	1831	sub load_header_temp {
1299	my ($self) = @_;	1832	my ($self) = @_;
1300		1833
1301	$self->load_header_from ($self->save_path)	1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
1302	}	1854	}
1303		1855
1304	sub load_header {	1856	sub load_header {
1305	my ($self) = @_;	1857	my ($self) = @_;
1306		1858
1307	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1861	} else {
1314	$self->load_orig	1862	$self->load_header_orig
1315	or return;	1863	or return;
1316		1864	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1865	}
		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
1322		1872
1323	1	1873	1
1324	}	1874	}
1325		1875
1326	sub find;	1876	sub find;
1327	sub find {	1877	sub find {
1328	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1329		1879
1330	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1331		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1333		1884
1334	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1336	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1337	or return;	1890	or return;
1338		1891
1339	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1340		1893
1341	$map->load_header	1894	$map->load_header
1342	or return;	1895	or return;
1343		1896
1344	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1346	$map->reset;	1902	$map->reset;
1347	undef $guard;
1348	$map = find $path	1903	return find $path;
1349	or return;
1350	}	1904	}
1351		1905
1352	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1353	}	1907	}
1354	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1355		1912
1356	sub load {	1913	sub load {
1357	my ($self) = @_;	1914	my ($self) = @_;
1358		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1359	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1361		1922
		1923	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		1925
1364	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1365		1927
1366	$self->alloc;	1928	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1368	or return;	1936	or return;
1369		1937
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	1939	if delete $self->{load_original};
1372		1940
1373	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	1942	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	1945	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1378	}	1949	}
1379	}	1950	}
1380		1951
1381	Coro::cede;	1952	$f->resolve_delayed_derefs;
1382		1953
		1954	cf::cede_to_tick;
1383	# now do the right thing for maps	1955	# now do the right thing for maps
1384	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1958	unless $self->difficulty;
1394	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1395	$self->activate;	1968	$self->activate;
1396	}	1969	}
1397		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1399	}	1978	}
1400		1979
1401	sub customise_for {	1980	sub customise_for {
1402	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1403		1982
1404	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1984	if $self->per_player;
1406		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1407	$self	1989	$self
1408	}	1990	}
1409		1991
1410	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	1993	sub load_neighbours {
1412	my ($map) = @_;	1994	my ($map) = @_;
1413		1995
1414	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1415		1997
1416	for (0 .. 3) {	1998	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1418	or next;	2000	or next;
1419	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1420	or next;	2002	or next;
1421	$neigh->load;	2003	$neigh->load;
1422		2004
		2005	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2008	}
1426		2009
1427	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1429	or next;	2013	or next;
1430	$neigh->load;	2014	$neigh->load;
1431	}	2015	}
1432	}	2016	}
1433		2017
…		…
1438	}	2022	}
1439		2023
1440	sub do_load_sync {	2024	sub do_load_sync {
1441	my ($map) = @_;	2025	my ($map) = @_;
1442		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1443	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1444	}	2031	}
1445		2032
1446	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2035
1460	sub find_async {	2036	sub find_async {
1461	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1462		2038
1463	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1464		2040
1465	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
		2050	while (%MAP_PREFETCH) {
		2051	while (my ($k, $v) = each %MAP_PREFETCH) {
		2052	if (my $map = find $k) {
		2053	$map->load if $v;
		2054	}
		2055
		2056	delete $MAP_PREFETCH{$k};
		2057	}
		2058	}
		2059	undef $MAP_PREFETCHER;
1467	}	2060	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2061	$MAP_PREFETCHER->prio (6);
1471		2062
1472	()	2063	()
1473	}	2064	}
1474		2065
1475	sub save {	2066	sub save {
1476	my ($self) = @_;	2067	my ($self) = @_;
1477		2068
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2070
1480	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1481		2072
1482	return unless $self->dirty;	2073	return unless $self->dirty;
1483		2074
…		…
1489	return if $self->{deny_save};	2080	return if $self->{deny_save};
1490		2081
1491	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1492		2083
1493	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1495	};	2087	};
1496		2088
1497	if ($uniq) {	2089	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1506	my ($self) = @_;	2098	my ($self) = @_;
1507		2099
1508	# save first because save cedes	2100	# save first because save cedes
1509	$self->save;	2101	$self->save;
1510		2102
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2104
1513	return if $self->players;	2105	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};	2107	return if $self->{deny_save};
1516		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2113	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2114	}
1520		2115
1521	sub reset_at {	2116	sub reset_at {
1522	my ($self) = @_;	2117	my ($self) = @_;
1523		2118
1524	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1527		2121
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2124
…		…
1541	my ($self) = @_;	2135	my ($self) = @_;
1542		2136
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2138
1545	return if $self->players;	2139	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2140
1548	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1549		2152
1550	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1551		2154
1552	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2157	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2158
1557	$self->unlink_save;	2159	$self->unlink_save;
1558	$self->destroy;	2160	$self->destroy;
1559	}	2161	}
1560		2162
1561	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1562		2164
1563	sub nuke {	2165	sub nuke {
1564	my ($self) = @_;	2166	my ($self) = @_;
1565		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1566	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1567		2172
1568	$self->unlink_save;	2173	$self->unlink_save;
1569		2174
1570	bless $self, "cf::map";	2175	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2180
1576	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1577		2183
1578	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1579	}	2221	}
1580		2222
1581	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1582		2224
1583	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2226	instantiated unique items. May block.
1585		2227
1586	=cut	2228	=cut
1587		2229
1588	sub unique_maps() {	2230	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1590	or return;	2232	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2233	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2234	/\.map$/
1600	push @paths, $_;	2235	? normalise $_
		2236	: ()
		2237	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2238	]
1602
1603	\@paths
1604	}	2239	}
1605		2240
1606	package cf;	2241	package cf;
1607		2242
1608	=back	2243	=back
…		…
1626	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1627	}	2262	}
1628		2263
1629	sub inv_recursive {	2264	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1631	}	2294	}
1632		2295
1633	package cf;	2296	package cf;
1634		2297
1635	=back	2298	=back
…		…
1654		2317
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2319
1657	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1659	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1662	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1663	}	2345	}
1664		2346
1665	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1666		2348
1667	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2381	=cut
1700		2382
1701	sub link_map {	2383	sub link_map {
1702	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2387	$LINK_MAP->load;
1706	}	2388	}
1707		2389
1708	$LINK_MAP	2390	$LINK_MAP
1709	}	2391	}
…		…
1714	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1715		2397
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2399
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1720		2402
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2404	}
1723		2405
1724	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1726		2410
1727	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1728		2412
1729	unless ($map) {	2413	unless ($map) {
1730	# restore original map position	2414	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1747		2431
1748	$map->load;	2432	$map->load;
1749	$map->load_diag;	2433	$map->load_neighbours;
1750		2434
1751	return unless $self->contr->active;	2435	return unless $self->contr->active;
1752	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1754	}	2440	}
1755		2441
1756	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2443
1760	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1764	};	2448	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2449
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	2450	=cut
		2451
		2452	our $GOTOGEN;
1791		2453
1792	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2459
1795	$self->enter_link;	2460	$self->enter_link;
1796		2461
1797	(async {	2462	(async {
1798	my $map = cf::map::find $path;	2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
		2484	my $map = eval {
		2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
1800		2489	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2490	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
1805		2493
		2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
		2500	}
		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1807	})->prio (1);	2508	})->prio (1);
1808	}	2509	}
1809		2510
1810	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1811		2512
…		…
1813		2514
1814	sub parse_random_map_params {	2515	sub parse_random_map_params {
1815	my ($spec) = @_;	2516	my ($spec) = @_;
1816		2517
1817	my $rmp = { # defaults	2518	my $rmp = { # defaults
1818	xsize => 10,	2519	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2520	ysize => (cf::rndm 15, 40),
		2521	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2522	#layout => string,
1820	};	2523	};
1821		2524
1822	for (split /\n/, $spec) {	2525	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2526	my ($k, $v) = split /\s+/, $_, 2;
1824		2527
…		…
1828	$rmp	2531	$rmp
1829	}	2532	}
1830		2533
1831	sub prepare_random_map {	2534	sub prepare_random_map {
1832	my ($exit) = @_;	2535	my ($exit) = @_;
		2536
		2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2538
1834	# all this does is basically replace the /! path by	2539	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2540	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2541	# that depends on the exit object
1837		2542
1838	my $rmp = parse_random_map_params $exit->msg;	2543	my $rmp = parse_random_map_params $exit->msg;
1839		2544
1840	if ($exit->map) {	2545	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2546	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2547	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2548	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2549	$rmp->{origin_y} = $exit->y;
1845	}	2550	}
1846		2551
1847	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1848		2553
1849	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
		2556	my $meta = "$RANDOMDIR/$md5.meta";
1851		2557
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
		2560	undef $fh;
		2561	aio_rename "$meta~", $meta;
1854		2562
1855	$exit->slaying ("?random/$md5");	2563	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2564	$exit->msg (undef);
1857	}	2565	}
1858	}	2566	}
…		…
1860	sub cf::object::player::enter_exit {	2568	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2569	my ($self, $exit) = @_;
1862		2570
1863	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1864		2572
		2573	if ($exit->slaying eq "/!") {
		2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
		2577	cf::sync_job { prepare_random_map $exit };
		2578	}
		2579
		2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2581	my $hp = $exit->stats->hp;
		2582	my $sp = $exit->stats->sp;
		2583
1865	$self->enter_link;	2584	$self->enter_link;
1866		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1867	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1868	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2594	unless (eval {
1870	prepare_random_map $exit	2595	$self->goto ($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		2596
1876	1;	2597	1;
1877	}) {	2598	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2603
1883	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2605	$self->leave_link;
1885	}	2606	}
1886	})->prio (1);	2607	})->prio (1);
…		…
1899		2620
1900	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1902		2623
1903	utf8::encode $text;	2624	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2626	}
1906		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1907		2755
1908	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1909		2757
1910	Queues a query to the client, calling the given callback with	2758	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>,	2759	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>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2761
1914	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2763	become reliable at some point in the future.
1916		2764
1917	=cut	2765	=cut
1918		2766
1919	sub cf::client::query {	2767	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2776	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2778
1931	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
1933	}	2783	}
1934		2784
1935	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
1936	on_reply => sub {	2791	on_reply => sub {
1937	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
1938		2793
1939	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
1940	# get handled first	2795	# get handled first
1941	my $queue = delete $ns->{query_queue}	2796	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2797	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2798
1944	(shift @$queue)->[1]->($msg);	2799	(shift @$queue)->[1]->($msg);
		2800	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2801
1946	push @{ $ns->{query_queue} }, @$queue;	2802	push @{ $ns->{query_queue} }, @$queue;
1947		2803
1948	if (@{ $ns->{query_queue} } == @$queue) {	2804	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2805	if (@$queue) {
…		…
1951	} else {	2807	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2809	}
1954	}	2810	}
1955	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
1956	);	2838	);
1957		2839
1958	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
1959		2841
1960	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2003		2885
2004	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2005		2887
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2007		2893
2008	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2009		2895
2010	=pod	2896	=pod
2011		2897
2012	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2013		2899
2014	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2015	cf::object::player player	2904	cf::object::player
2016	cf::player peaceful	2905	player
2017	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2018		2912
2019	=cut	2913	=cut
2020		2914
2021	for (	2915	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2023	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2026	) {	2922	) {
2027	no strict 'refs';	2923	no strict 'refs';
…		…
2098	=back	2994	=back
2099		2995
2100	=cut	2996	=cut
2101		2997
2102	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2103		3000
2104	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2105		3003
2106	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2108	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		3007
2110	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		3009
2113	=over 4	3010	warn "loading facedata from $path\n";
2114		3011
2115	=item $hashref = cf::db_get $family	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2116		3015
2117	Return a hashref for use by the extension C<$family>, which can be	3016	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		3017
2121	=item $value = cf::db_get $family => $key	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		3020
2123	Returns a single value from the database	3021	# patch in the exptable
2124		3022	$facedata->{resource}{"res/exp_table"} = {
2125	=item cf::db_put $family => $hashref	3023	type => FT_RSRC,
2126		3024	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	});	3025	};
		3026	cf::cede_to_tick;
2176		3027
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	3028	{
		3029	my $faces = $facedata->{faceinfo};
2181		3030
2182	sub db_get($;$) {	3031	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}	3033	cf::face::set_visibility $idx, $info->{visibility};
2185	: ($DB->{$_[0]} ||= { })	3034	cf::face::set_magicmap $idx, $info->{magicmap};
2186	}	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187		3037
2188	sub db_put($$;$) {	3038	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	},	3039	}
2202	);
2203	}
2204		3040
2205	#############################################################################	3041	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
2207		3051
2208	sub cfg_load {	3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3179	or return;
2211		3180
2212	local $/;	3181	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2214		3183
…		…
2229	sub main {	3198	sub main {
2230	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2234	Event::one_event;	3204	Event::one_event;
2235	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2236	};	3206	};
2237		3207
2238	cfg_load;	3208	reload_config;
2239	db_load;	3209	db_init;
2240	load_extensions;	3210	load_extensions;
		3211
		3212	$TICK_WATCHER->start;
2241	Event::loop;	3213	Event::loop;
2242	}	3214	}
2243		3215
2244	#############################################################################	3216	#############################################################################
2245	# initialisation and cleanup	3217	# initialisation and cleanup
2246		3218
2247	# install some emergency cleanup handlers	3219	# install some emergency cleanup handlers
2248	BEGIN {	3220	BEGIN {
2249	for my $signal (qw(INT HUP TERM)) {	3221	for my $signal (qw(INT HUP TERM)) {
2250	Event->signal (	3222	Event->signal (
		3223	reentrant => 0,
2251	data => WF_AUTOCANCEL,	3224	data => WF_AUTOCANCEL,
2252	signal => $signal,	3225	signal => $signal,
		3226	prio => 0,
2253	cb => sub {	3227	cb => sub {
2254	cf::cleanup "SIG$signal";	3228	cf::cleanup "SIG$signal";
2255	},	3229	},
2256	);	3230	);
2257	}	3231	}
		3232	}
		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
2258	}	3270	}
2259		3271
2260	sub emergency_save() {	3272	sub emergency_save() {
2261	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2262		3274
…		…
2268	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2269	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2270	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2271	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2272	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2273	$pl->save;	3286	$pl->save;
2274	}	3287	}
2275	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2276		3289
2277	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2279	my $map = $cf::MAP{$path} or next;	3292	my $map = $cf::MAP{$path} or next;
2280	$map->valid or next;	3293	$map->valid or next;
2281	$map->save;	3294	$map->save;
2282	}	3295	}
2283	warn "end emergency map save\n";	3296	warn "end emergency map save\n";
		3297
		3298	warn "begin emergency database checkpoint\n";
		3299	BDB::db_env_txn_checkpoint $DB_ENV;
		3300	warn "end emergency database checkpoint\n";
2284	};	3301	};
2285		3302
2286	warn "leave emergency perl save\n";	3303	warn "leave emergency perl save\n";
2287	}	3304	}
2288		3305
		3306	sub post_cleanup {
		3307	my ($make_core) = @_;
		3308
		3309	warn Carp::longmess "post_cleanup backtrace"
		3310	if $make_core;
		3311	}
		3312
2289	sub reload() {	3313	sub do_reload_perl() {
2290	# can/must only be called in main	3314	# can/must only be called in main
2291	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2292	warn "can only reload from main coroutine\n";	3316	warn "can only reload from main coroutine";
2293	return;	3317	return;
2294	}	3318	}
2295		3319
2296	warn "reloading...";	3320	warn "reloading...";
2297		3321
2298	warn "freezing server";	3322	warn "entering sync_job";
2299	my $guard = freeze_mainloop;	3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2300	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2301		3328
2302	warn "sync database to disk";	3329	warn "syncing database to disk";
2303	cf::db_sync;	3330	BDB::db_env_txn_checkpoint $DB_ENV;
2304	IO::AIO::flush;
2305		3331
2306	eval {
2307	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2308		3333
2309	warn "cancel all watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2310	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2311	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2312	}	3337	}
2313		3338
		3339	warn "flushing outstanding aio requests";
		3340	for (;;) {
		3341	BDB::flush;
		3342	IO::AIO::flush;
		3343	Coro::cede;
		3344	last unless IO::AIO::nreqs || BDB::nreqs;
		3345	warn "iterate...";
		3346	}
		3347
		3348	++$RELOAD;
		3349
2314	warn "cancel all extension coros";	3350	warn "cancelling all extension coros";
2315	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2316	%EXT_CORO = ();	3352	%EXT_CORO = ();
2317		3353
2318	warn "remove commands";	3354	warn "removing commands";
2319	%COMMAND = ();	3355	%COMMAND = ();
2320		3356
2321	warn "remove ext commands";	3357	warn "removing ext/exti commands";
2322	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2323		3360
2324	warn "unload/nuke all extensions";	3361	warn "unloading/nuking all extensions";
2325	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2326	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2327		3364
2328	if (my $cb = $pkg->can ("unload")) {	3365	if (my $cb = $pkg->can ("unload")) {
2329	eval {	3366	eval {
…		…
2334		3371
2335	warn "... nuking $pkg";	3372	warn "... nuking $pkg";
2336	Symbol::delete_package $pkg;	3373	Symbol::delete_package $pkg;
2337	}	3374	}
2338		3375
2339	warn "unload all perl modules loaded from $LIBDIR";	3376	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3377	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3379
2343	warn "removing <$k>";	3380	warn "... unloading $k";
2344	delete $INC{$k};	3381	delete $INC{$k};
2345		3382
2346	$k =~ s/\.pm$//;	3383	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3384	$k =~ s/\//::/g;
2348		3385
…		…
2351	}	3388	}
2352		3389
2353	Symbol::delete_package $k;	3390	Symbol::delete_package $k;
2354	}	3391	}
2355		3392
2356	warn "get rid of safe::, as good as possible";	3393	warn "getting rid of safe::, as good as possible";
2357	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359		3396
2360	warn "unload cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2361	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2362		3400
2363	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2364	# and global variables created in xs	3402	# and global variables created in xs
2365	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2366		3404
		3405	warn "unload completed, starting to reload now";
		3406
2367	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2368	require cf;	3408	require cf;
2369	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370		3410
2371	warn "load config and database again";	3411	warn "loading config and database again";
2372	cf::cfg_load;	3412	cf::reload_config;
2373	cf::db_load;
2374		3413
2375	warn "load extensions";	3414	warn "loading extensions";
2376	cf::load_extensions;	3415	cf::load_extensions;
2377		3416
2378	warn "reattach attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2379	_global_reattach;	3418	_global_reattach; # objects, sockets
2380	warn "reattach attachments to maps";	3419	warn "reattaching attachments to maps";
2381	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
2382	};	3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2383		3423
2384	if ($@) {	3424	warn "leaving sync_job";
		3425
		3426	1
		3427	} or do {
2385	warn $@;	3428	warn $@;
2386	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2387	exit 1;	3430	exit 1;
2388	}	3431	};
2389		3432
2390	warn "reloaded";	3433	warn "reloaded";
2391	};	3434	};
2392		3435
2393	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2394		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2395	register_command "reload" => sub {	3453	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2397		3455
2398	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2400		3458	async {
2401	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2402	# coro crashes during coro_state_free->destroy here.
2403
2404	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2405	reload;	3460	reload_perl;
2406	undef $RELOAD_WATCHER;
2407	});	3461	};
2408	}	3462	}
2409	};	3463	};
2410		3464
2411	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
		3466
		3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2412		3489
2413	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2414	reentrant => 0,	3491	reentrant => 0,
		3492	parked => 1,
2415	prio => 0,	3493	prio => 0,
2416	at => $NEXT_TICK || $TICK,	3494	at => $NEXT_TICK || $TICK,
2417	data => WF_AUTOCANCEL,	3495	data => WF_AUTOCANCEL,
2418	cb => sub {	3496	cb => sub {
		3497	if ($Coro::current != $Coro::main) {
		3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3499	unless ++$bug_warning > 10;
		3500	return;
		3501	}
		3502
2419	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2420		3504
2421	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2422	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2423	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2424		3509
2425	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2426	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
		3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
		3517	}
		3518
		3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2427		3527
2428	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2429	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2430		3530
2431	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2432	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2433	},	3538	},
2434	);	3539	);
2435		3540
		3541	{
		3542	BDB::min_parallel 8;
		3543	BDB::max_poll_time $TICK * 0.1;
		3544	$BDB_POLL_WATCHER = Event->io (
		3545	reentrant => 0,
		3546	fd => BDB::poll_fileno,
		3547	poll => 'r',
		3548	prio => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => \&BDB::poll_cb,
		3551	);
		3552
		3553	BDB::set_sync_prepare {
		3554	my $status;
		3555	my $current = $Coro::current;
		3556	(
		3557	sub {
		3558	$status = $!;
		3559	$current->ready; undef $current;
		3560	},
		3561	sub {
		3562	Coro::schedule while defined $current;
		3563	$! = $status;
		3564	},
		3565	)
		3566	};
		3567
		3568	unless ($DB_ENV) {
		3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3574
		3575	cf::sync_job {
		3576	eval {
		3577	BDB::db_env_open
		3578	$DB_ENV,
		3579	$BDBDIR,
		3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3582	0666;
		3583
		3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3585	};
		3586
		3587	cf::cleanup "db_env_open(db): $@" if $@;
		3588	};
		3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
		3621	}
		3622
		3623	{
		3624	IO::AIO::min_parallel 8;
		3625
		3626	undef $Coro::AIO::WATCHER;
2436	IO::AIO::max_poll_time $TICK * 0.2;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2437
2438	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2439	fd => IO::AIO::poll_fileno,	3629	reentrant => 0,
2440	poll => 'r',
2441	prio => 5,
2442	data => WF_AUTOCANCEL,
2443	cb => \&IO::AIO::poll_cb,
2444	);
2445
2446	$WRITE_RUNTIME_WATCHER = Event->timer (
2447	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2448	after => 0,	3631	fd => IO::AIO::poll_fileno,
2449	interval => 10,	3632	poll => 'r',
2450	cb => sub {	3633	prio => 0,
2451	(Coro::unblock_sub {	3634	cb => \&IO::AIO::poll_cb,
2452	write_runtime	3635	);
2453	or warn "ERROR: unable to write runtime file: $!";	3636	}
		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
2454	})->();	3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2455	},	3675	}
2456	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2457		3680
2458	END { cf::emergency_save }	3681	END { cf::emergency_save }
2459		3682
2460	1	3683	1
2461		3684

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines