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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 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 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
271	}	395	}
272		396
273	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
274		398
275	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		404
281	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
282		406
283	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
284		408
285	The design of crossfire+ requires that the main coro ($Coro::main) is	409	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	410	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.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
288		413
289	If it must be done, put the blocking parts into C<sync_job>. This will run	414	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	415	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	416	server will be frozen during this time, so the block should either finish
292	fast or be very important.	417	fast or be very important.
…		…
295		420
296	sub sync_job(&) {	421	sub sync_job(&) {
297	my ($job) = @_;	422	my ($job) = @_;
298		423
299	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
300	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
302		429
303	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
315		442
316	while ($busy) {	443	while ($busy) {
317	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
318	}	445	}
319		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
320	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
321	} else {	455	} else {
322	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
323		457
324	$job->()	458	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
344		478
345	$coro	479	$coro
346	}	480	}
347		481
348	sub write_runtime {	482	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		483
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
352	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
353		488
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	489	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		490
358	aio_fsync $fh	491	sub fork_call(&@) {
359	and return;	492	my ($cb, @args) = @_;
360		493
361	close $fh	494	# we seemingly have to make a local copy of the whole thing,
362	or return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
363		497
364	aio_rename "$runtime~", $runtime	498	my @res = Coro::Util::fork_eval {
365	and return;	499	reset_signals;
		500	&$cb
		501	}, @args;
366		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
367	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	642	}
369		643
370	=back	644	=back
371		645
372	=cut	646	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
381		655
382	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	658	Crossfire TRT).
385		659
386	=over 4	660	=over 4
387		661
388	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
389		663
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
553		827
554	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		832
559	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	834	my $pkg = shift @arg;
561		835
562	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
592	}	866	}
593		867
594	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
595	} else {	869	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	871	}
598		872
599	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
600	}	874	}
601		875
…		…
603	if (ref $_[0]) {	877	if (ref $_[0]) {
604	_object_attach @_;	878	_object_attach @_;
605	} else {	879	} else {
606	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
607	}	881	}
		882	_recalc_want;
608	};	883	};
609		884
610	# all those should be optimised	885	# all those should be optimised
611	sub cf::attachable::detach {	886	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
616	reattach ($obj);	891	reattach ($obj);
617	} else {	892	} else {
618	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
619	}	894	}
		895	_recalc_want;
620	};	896	};
621		897
622	sub cf::attachable::attached {	898	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
624		900
…		…
639	";	915	";
640	die if $@;	916	die if $@;
641	}	917	}
642		918
643	our $override;	919	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		921
646	sub override {	922	sub override {
647	$override = 1;	923	$override = 1;
648	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
649	}	925	}
650		926
651	sub do_invoke {	927	sub do_invoke {
652	my $event = shift;	928	my $event = shift;
653	my $callbacks = shift;	929	my $callbacks = shift;
654		930
655	@invoke_results = ();	931	@INVOKE_RESULTS = ();
656		932
657	local $override;	933	local $override;
658		934
659	for (@$callbacks) {	935	for (@$callbacks) {
660	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
677		953
678	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
679		955
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		959
684	=back	960	=back
685		961
686	=cut	962	=cut
687		963
688	#############################################################################	964	#############################################################################
689	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
690		977
691	sub reattach {	978	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	980	my ($obj) = @_;
694		981
…		…
739	);	1026	);
740		1027
741	sub object_freezer_save {	1028	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
743		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
744	sync_job {	1033	sync_job {
745	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
748		1038
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1042	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1043	close $fh;
754		1044
755	if (@$objs) {	1045	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1047	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1048	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1049	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1050	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1051	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1052	aio_rename "$filename.pst~", "$filename.pst";
763	}	1053	}
764	} else {	1054	} else {
765	aio_unlink "$filename.pst";	1055	aio_unlink "$filename.pst";
…		…
771	}	1061	}
772	} else {	1062	} else {
773	aio_unlink $filename;	1063	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
775	}	1065	}
776	}	1066	};
		1067
		1068	undef $guard;
777	}	1069	}
778		1070
779	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
781		1073
…		…
786		1078
787	sub object_thawer_load {	1079	sub object_thawer_load {
788	my ($filename) = @_;	1080	my ($filename) = @_;
789		1081
790	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
791		1085
792	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
793	or return;	1087	or return;
794		1088
795	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
797	or return;	1091	or return;
		1092
		1093	undef $guard;
798	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1095	}
800		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
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1652	)
1140	}	1653	}
1141		1654
		1655	=item cf::map->register ($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
1142	sub register {	1663	sub register {
1143	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1665	my $pkg = caller;
1145		1666
1146	no strict;	1667	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1669
1149	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1671	}
1151		1672
1152	# also paths starting with '/'	1673	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1675
1155	sub thawer_merge {	1676	sub thawer_merge {
1156	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1157		1678
1158	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1159	local $self->{path};	1680	local $self->{path};
1160	local $self->{load_path};	1681	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1682
1164	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1165	}	1684	}
1166		1685
1167	sub normalise {	1686	sub normalise {
1168	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1169		1692
1170	# map plan:	1693	# map plan:
1171	#	1694	#
1172	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1201		1724
1202	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
1203		1726
1204	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1205		1728
1206	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1211	return $self;	1734	return $self;
1212	}	1735	}
1213	}	1736	}
1214		1737
1215	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1739	()
1217	}	1740	}
1218		1741
1219	sub init {	1742	sub init {
1220	my ($self) = @_;	1743	my ($self) = @_;
…		…
1235		1758
1236	# the original (read-only) location	1759	# the original (read-only) location
1237	sub load_path {	1760	sub load_path {
1238	my ($self) = @_;	1761	my ($self) = @_;
1239		1762
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1241	}	1764	}
1242		1765
1243	# the temporary/swap location	1766	# the temporary/swap location
1244	sub save_path {	1767	sub save_path {
1245	my ($self) = @_;	1768	my ($self) = @_;
1246		1769
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1249	}	1772	}
1250		1773
1251	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1252	sub uniq_path {	1775	sub uniq_path {
1253	my ($self) = @_;	1776	my ($self) = @_;
1254		1777
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1257	}	1780	}
1258		1781
1259	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1260	# all maps in C++...	1783	# all maps in C++...
1261	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1263		1786
1264	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1266	}	1789	}
1267		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1268	sub unlink_save {	1799	sub unlink_save {
1269	my ($self) = @_;	1800	my ($self) = @_;
1270		1801
1271	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1806
1276	sub load_header_from($) {	1807	sub load_header_from($) {
1277	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1278		1809
1279	utf8::encode $path;	1810	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1281	or return;	1812	or return;
1282		1813
1283	$self->_load_header ($path)	1814	$self->_load_header ($f)
1284	or return;	1815	or return;
1285		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1286	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1287		1821
1288	1	1822	1
1289	}	1823	}
1290		1824
1291	sub load_orig {	1825	sub load_header_orig {
1292	my ($self) = @_;	1826	my ($self) = @_;
1293		1827
1294	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1295	}	1829	}
1296		1830
1297	sub load_temp {	1831	sub load_header_temp {
1298	my ($self) = @_;	1832	my ($self) = @_;
1299		1833
1300	$self->load_header_from ($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	$self->instantiate;
1301	}	1854	}
1302		1855
1303	sub load_header {	1856	sub load_header {
1304	my ($self) = @_;	1857	my ($self) = @_;
1305		1858
1306	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1861	} else {
1313	$self->load_orig	1862	$self->load_header_orig
1314	or return;	1863	or return;
1315		1864	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	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 $self->default_region;
1321		1872
1322	1	1873	1
1323	}	1874	}
1324		1875
1325	sub find;	1876	sub find;
1326	sub find {	1877	sub find {
1327	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1328		1879
1329	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1330		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1332		1884
1333	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1334	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
1335	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1336	or return;	1890	or return;
1337		1891
1338	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1339		1893
1340	$map->load_header	1894	$map->load_header
1341	or return;	1895	or return;
1342		1896
1343	if ($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
1344	$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1345	$map->reset;	1902	$map->reset;
1346	undef $guard;
1347	$map = find $path	1903	return find $path;
1348	or return;
1349	}	1904	}
1350		1905
1351	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1352	}	1907	}
1353	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1354		1912
1355	sub load {	1913	sub load {
1356	my ($self) = @_;	1914	my ($self) = @_;
1357		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1358	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1360		1922
		1923	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		1925
1363	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1364		1927
1365	$self->alloc;	1928	$self->alloc;
1366	$self->_load_objects ($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)
1367	or return;	1936	or return;
1368		1937
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1939	if delete $self->{load_original};
1371		1940
1372	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1942	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	1945	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1377	}	1949	}
1378	}	1950	}
1379		1951
1380	Coro::cede;	1952	$f->resolve_delayed_derefs;
1381		1953
		1954	cf::cede_to_tick;
1382	# now do the right thing for maps	1955	# now do the right thing for maps
1383	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1958	unless $self->difficulty;
1393	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1394	$self->activate;	1968	$self->activate;
1395	}	1969	}
1396		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1398	}	1978	}
1399		1979
1400	sub customise_for {	1980	sub customise_for {
1401	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1402		1982
1403	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1984	if $self->per_player;
1405		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1406	$self	1989	$self
1407	}	1990	}
1408		1991
1409	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1993	sub load_neighbours {
1411	my ($map) = @_;	1994	my ($map) = @_;
1412		1995
1413	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1414		1997
1415	for (0 .. 3) {	1998	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1417	or next;	2000	or next;
1418	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1419	or next;	2002	or next;
1420	$neigh->load;	2003	$neigh->load;
1421		2004
		2005	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2008	}
1425		2009
1426	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1428	or next;	2013	or next;
1429	$neigh->load;	2014	$neigh->load;
1430	}	2015	}
1431	}	2016	}
1432		2017
…		…
1437	}	2022	}
1438		2023
1439	sub do_load_sync {	2024	sub do_load_sync {
1440	my ($map) = @_;	2025	my ($map) = @_;
1441		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1442	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1443	}	2031	}
1444		2032
1445	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2035
1459	sub find_async {	2036	sub find_async {
1460	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1461		2038
1462	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1463		2040
1464	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1465	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	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1466	}	2058	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1470		2060
1471	()	2061	()
1472	}	2062	}
1473		2063
1474	sub save {	2064	sub save {
1475	my ($self) = @_;	2065	my ($self) = @_;
1476		2066
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2068
1479	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1480		2070
1481	return unless $self->dirty;	2071	return unless $self->dirty;
1482		2072
…		…
1505	my ($self) = @_;	2095	my ($self) = @_;
1506		2096
1507	# save first because save cedes	2097	# save first because save cedes
1508	$self->save;	2098	$self->save;
1509		2099
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2101
1512	return if $self->players;	2102	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2104	return if $self->{deny_save};
1515		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2110	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2111	}
1519		2112
1520	sub reset_at {	2113	sub reset_at {
1521	my ($self) = @_;	2114	my ($self) = @_;
1522		2115
1523	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1526		2118
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2121
…		…
1540	my ($self) = @_;	2132	my ($self) = @_;
1541		2133
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2135
1544	return if $self->players;	2136	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2137
1547	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1548		2149
1549	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1550		2151
1551	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2154	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2155
1556	$self->unlink_save;	2156	$self->unlink_save;
1557	$self->destroy;	2157	$self->destroy;
1558	}	2158	}
1559		2159
1560	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1561		2161
1562	sub nuke {	2162	sub nuke {
1563	my ($self) = @_;	2163	my ($self) = @_;
1564		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1565	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1566		2169
1567	$self->unlink_save;	2170	$self->unlink_save;
1568		2171
1569	bless $self, "cf::map";	2172	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2177
1575	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1576		2180
1577	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1578	}	2218	}
1579		2219
1580	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1581		2221
1582	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2223	instantiated unique items. May block.
1584		2224
1585	=cut	2225	=cut
1586		2226
1587	sub unique_maps() {	2227	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1589	or return;	2229	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2230	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2231	/\.map$/
1599	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2235	]
1601
1602	\@paths
1603	}	2236	}
1604		2237
1605	package cf;	2238	package cf;
1606		2239
1607	=back	2240	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1626	}	2259	}
1627		2260
1628	sub inv_recursive {	2261	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($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	}
1630	}	2294	}
1631		2295
1632	package cf;	2296	package cf;
1633		2297
1634	=back	2298	=back
…		…
1653		2317
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2319
1656	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1658	} 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 {
1659	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1661	}	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 (@_);
1662	}	2345	}
1663		2346
1664	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1665		2348
1666	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2381	=cut
1699		2382
1700	sub link_map {	2383	sub link_map {
1701	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2387	$LINK_MAP->load;
1705	}	2388	}
1706		2389
1707	$LINK_MAP	2390	$LINK_MAP
1708	}	2391	}
…		…
1713	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1714		2397
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2399
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1719		2402
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2404	}
1722		2405
1723	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1725		2410
1726	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1727		2412
1728	unless ($map) {	2413	unless ($map) {
1729	# restore original map position	2414	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1746		2431
1747	$map->load;	2432	$map->load;
1748	$map->load_diag;	2433	$map->load_neighbours;
1749		2434
1750	return unless $self->contr->active;	2435	return unless $self->contr->active;
1751	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1753	}	2440	}
1754		2441
1755	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2443
1759	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1763	};	2448	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2449
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1790		2453
1791	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1792	my ($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;
1793		2459
1794	$self->enter_link;	2460	$self->enter_link;
1795		2461
1796	(async {	2462	(async {
1797	my $map = cf::map::find $path;	2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1799		2487	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1804		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1806	})->prio (1);	2506	})->prio (1);
1807	}	2507	}
1808		2508
1809	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1810		2510
…		…
1812		2512
1813	sub parse_random_map_params {	2513	sub parse_random_map_params {
1814	my ($spec) = @_;	2514	my ($spec) = @_;
1815		2515
1816	my $rmp = { # defaults	2516	my $rmp = { # defaults
1817	xsize => -1,	2517	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1819	};	2521	};
1820		2522
1821	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1823		2525
…		…
1827	$rmp	2529	$rmp
1828	}	2530	}
1829		2531
1830	sub prepare_random_map {	2532	sub prepare_random_map {
1831	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1832		2536
1833	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1834	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1835	# that depends on the exit object	2539	# that depends on the exit object
1836		2540
1837	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1838		2542
1839	if ($exit->map) {	2543	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1844	}	2548	}
1845		2549
1846	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1847		2551
1848	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1849	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1851		2555
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2558	undef $fh;
1855	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1862	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1864		2568
1865	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1866		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1867	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1868		2587
1869	(async {	2588	(async {
1870	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1871	unless (eval {	2590	unless (eval {
1872	prepare_random_map $exit	2591	$self->goto ($slaying, $hp, $sp);
1873	if $exit->slaying eq "/!";
1874
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1877		2592
1878	1;	2593	1;
1879	}) {	2594	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1881	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2599
1885	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1886	$self->leave_link;	2601	$self->leave_link;
1887	}	2602	}
1888	})->prio (1);	2603	})->prio (1);
…		…
1901		2616
1902	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1904		2619
1905	utf8::encode $text;	2620	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	2622	}
1908		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1909		2739
1910	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1911		2741
1912	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		2745
1916	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	2747	become reliable at some point in the future.
1918		2748
1919	=cut	2749	=cut
1920		2750
1921	sub cf::client::query {	2751	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	2760	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		2762
1933	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
1935	}	2767	}
1936		2768
1937	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
1938	on_reply => sub {	2775	on_reply => sub {
1939	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
1940		2777
1941	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
1942	# get handled first	2779	# get handled first
1943	my $queue = delete $ns->{query_queue}	2780	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	2781	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		2782
1946	(shift @$queue)->[1]->($msg);	2783	(shift @$queue)->[1]->($msg);
		2784	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		2785
1948	push @{ $ns->{query_queue} }, @$queue;	2786	push @{ $ns->{query_queue} }, @$queue;
1949		2787
1950	if (@{ $ns->{query_queue} } == @$queue) {	2788	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	2789	if (@$queue) {
…		…
1953	} else {	2791	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	2793	}
1956	}	2794	}
1957	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
1958	);	2822	);
1959		2823
1960	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
1961		2825
1962	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2003	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2005		2869
2006	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2007		2871
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2009		2877
2010	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2011		2879
2012	=pod	2880	=pod
2013		2881
2014	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2015		2883
2016	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2017	cf::object::player player	2888	cf::object::player
2018	cf::player peaceful	2889	player
2019	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2020		2896
2021	=cut	2897	=cut
2022		2898
2023	for (	2899	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2025	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2027	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2028	) {	2906	) {
2029	no strict 'refs';	2907	no strict 'refs';
…		…
2100	=back	2978	=back
2101		2979
2102	=cut	2980	=cut
2103		2981
2104	#############################################################################	2982	#############################################################################
		2983	# the server's init and main functions
2105		2984
2106	=head2 EXTENSION DATABASE SUPPORT	2985	sub load_facedata($) {
		2986	my ($path) = @_;
2107		2987
2108	Crossfire maintains a very simple database for extension use. It can	2988	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	2989	# for this (global event?)
2110	excludes objects.	2990	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		2991
2112	The parameter C<$family> should best start with the name of the extension	2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		2993
2115	=over 4	2994	warn "loading facedata from $path\n";
2116		2995
2117	=item $hashref = cf::db_get $family	2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
2118		2999
2119	Return a hashref for use by the extension C<$family>, which can be	3000	$facedata = Coro::Storable::thaw $facedata;
2120	modified. After modifications, you have to call C<cf::db_dirty> or
2121	C<cf::db_sync>.
2122		3001
2123	=item $value = cf::db_get $family => $key	3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2124		3004
2125	Returns a single value from the database	3005	# patch in the exptable
2126		3006	$facedata->{resource}{"res/exp_table"} = {
2127	=item cf::db_put $family => $hashref	3007	type => FT_RSRC,
2128		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3009	};
		3010	cf::cede_to_tick;
2178		3011
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3012	{
		3013	my $faces = $facedata->{faceinfo};
2183		3014
2184	sub db_get($;$) {	3015	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}	3017	cf::face::set_visibility $idx, $info->{visibility};
2187	: ($DB->{$_[0]} ||= { })	3018	cf::face::set_magicmap $idx, $info->{magicmap};
2188	}	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2189		3021
2190	sub db_put($$;$) {	3022	cf::cede_to_tick;
2191	if (@_ >= 3) {
2192	$DB->{$_[0]}{$_[1]} = $_[2];
2193	} else {
2194	$DB->{$_[0]} = $_[1];
2195	}
2196	db_dirty;
2197	}
2198
2199	cf::global->attach (
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3023	}
2204	);
2205	}
2206		3024
2207	#############################################################################	3025	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
2209		3035
2210	sub cfg_load {	3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2212	or return;	3163	or return;
2213		3164
2214	local $/;	3165	local $/;
2215	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2216		3167
…		…
2235	(async {	3186	(async {
2236	Event::one_event;	3187	Event::one_event;
2237	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2238	};	3189	};
2239		3190
2240	cfg_load;	3191	reload_config;
2241	db_load;	3192	db_init;
2242	load_extensions;	3193	load_extensions;
		3194
		3195	$TICK_WATCHER->start;
2243	Event::loop;	3196	Event::loop;
2244	}	3197	}
2245		3198
2246	#############################################################################	3199	#############################################################################
2247	# initialisation and cleanup	3200	# initialisation and cleanup
2248		3201
2249	# install some emergency cleanup handlers	3202	# install some emergency cleanup handlers
2250	BEGIN {	3203	BEGIN {
2251	for my $signal (qw(INT HUP TERM)) {	3204	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3205	Event->signal (
		3206	reentrant => 0,
2253	data => WF_AUTOCANCEL,	3207	data => WF_AUTOCANCEL,
2254	signal => $signal,	3208	signal => $signal,
		3209	prio => 0,
2255	cb => sub {	3210	cb => sub {
2256	cf::cleanup "SIG$signal";	3211	cf::cleanup "SIG$signal";
2257	},	3212	},
2258	);	3213	);
2259	}	3214	}
		3215	}
		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
2260	}	3253	}
2261		3254
2262	sub emergency_save() {	3255	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2264		3257
…		…
2281	my $map = $cf::MAP{$path} or next;	3274	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3275	$map->valid or next;
2283	$map->save;	3276	$map->save;
2284	}	3277	}
2285	warn "end emergency map save\n";	3278	warn "end emergency map save\n";
		3279
		3280	warn "begin emergency database checkpoint\n";
		3281	BDB::db_env_txn_checkpoint $DB_ENV;
		3282	warn "end emergency database checkpoint\n";
2286	};	3283	};
2287		3284
2288	warn "leave emergency perl save\n";	3285	warn "leave emergency perl save\n";
2289	}	3286	}
2290		3287
		3288	sub post_cleanup {
		3289	my ($make_core) = @_;
		3290
		3291	warn Carp::longmess "post_cleanup backtrace"
		3292	if $make_core;
		3293	}
		3294
2291	sub reload() {	3295	sub do_reload_perl() {
2292	# can/must only be called in main	3296	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3298	warn "can only reload from main coroutine";
2295	return;	3299	return;
2296	}	3300	}
2297		3301
2298	warn "reloading...";	3302	warn "reloading...";
2299		3303
2300	warn "freezing server";	3304	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3305
		3306	cf::sync_job {
		3307	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	3308	cf::emergency_save;
		3309	cf::write_runtime; # external watchdog should not bark
2303		3310
2304	warn "sync database to disk";	3311	warn "syncing database to disk";
2305	cf::db_sync;	3312	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3313
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3314	# if anything goes wrong in here, we should simply crash as we already saved
2310		3315
2311	warn "cancel all watchers";	3316	warn "cancelling all WF_AUTOCANCEL watchers";
2312	for (Event::all_watchers) {	3317	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3318	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}	3319	}
2315		3320
		3321	warn "flushing outstanding aio requests";
		3322	for (;;) {
		3323	BDB::flush;
		3324	IO::AIO::flush;
		3325	Coro::cede;
		3326	last unless IO::AIO::nreqs || BDB::nreqs;
		3327	warn "iterate...";
		3328	}
		3329
		3330	++$RELOAD;
		3331
2316	warn "cancel all extension coros";	3332	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3334	%EXT_CORO = ();
2319		3335
2320	warn "remove commands";	3336	warn "removing commands";
2321	%COMMAND = ();	3337	%COMMAND = ();
2322		3338
2323	warn "remove ext commands";	3339	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2325		3342
2326	warn "unload/nuke all extensions";	3343	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2329		3346
2330	if (my $cb = $pkg->can ("unload")) {	3347	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3348	eval {
…		…
2336		3353
2337	warn "... nuking $pkg";	3354	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3355	Symbol::delete_package $pkg;
2339	}	3356	}
2340		3357
2341	warn "unload all perl modules loaded from $LIBDIR";	3358	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3359	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3361
2345	warn "removing <$k>";	3362	warn "... unloading $k";
2346	delete $INC{$k};	3363	delete $INC{$k};
2347		3364
2348	$k =~ s/\.pm$//;	3365	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3366	$k =~ s/\//::/g;
2350		3367
…		…
2353	}	3370	}
2354		3371
2355	Symbol::delete_package $k;	3372	Symbol::delete_package $k;
2356	}	3373	}
2357		3374
2358	warn "get rid of safe::, as good as possible";	3375	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3378
2362	warn "unload cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2364		3382
2365	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3384	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2368		3386
		3387	warn "unload completed, starting to reload now";
		3388
2369	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2370	require cf;	3390	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3392
2373	warn "load config and database again";	3393	warn "loading config and database again";
2374	cf::cfg_load;	3394	cf::reload_config;
2375	cf::db_load;
2376		3395
2377	warn "load extensions";	3396	warn "loading extensions";
2378	cf::load_extensions;	3397	cf::load_extensions;
2379		3398
2380	warn "reattach attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3400	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3401	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2384	};	3403	warn "reattaching attachments to players";
		3404	reattach $_ for values %PLAYER;
2385		3405
2386	if ($@) {	3406	warn "leaving sync_job";
		3407
		3408	1
		3409	} or do {
2387	warn $@;	3410	warn $@;
2388	warn "error while reloading, exiting.";	3411	warn "error while reloading, exiting.";
2389	exit 1;	3412	exit 1;
2390	}	3413	};
2391		3414
2392	warn "reloaded";	3415	warn "reloaded";
2393	};	3416	};
2394		3417
2395	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2396		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2397	register_command "reload" => sub {	3435	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2399		3437
2400	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2402		3440	async { reload_perl };
2403	# doing reload synchronously and two reloads happen back-to-back,
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;
2408	undef $RELOAD_WATCHER;
2409	});
2410	}	3441	}
2411	};	3442	};
2412		3443
2413	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
		3445
		3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2414		3468
2415	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2416	reentrant => 0,	3470	reentrant => 0,
		3471	parked => 1,
2417	prio => 0,	3472	prio => 0,
2418	at => $NEXT_TICK || $TICK,	3473	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,	3474	data => WF_AUTOCANCEL,
2420	cb => sub {	3475	cb => sub {
		3476	if ($Coro::current != $Coro::main) {
		3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3478	unless ++$bug_warning > 10;
		3479	return;
		3480	}
		3481
2421	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2422		3483
2423	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2424	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2426		3488
2427	$WAIT_FOR_TICK->broadcast;	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3491	Coro::async_pool {
		3492	write_runtime
		3493	or warn "ERROR: unable to write runtime file: $!";
		3494	};
		3495	}
		3496
		3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2429		3505
2430	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2432		3508
2433	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2435	},	3516	},
2436	);	3517	);
2437		3518
		3519	{
		3520	BDB::min_parallel 8;
		3521	BDB::max_poll_time $TICK * 0.1;
		3522	$BDB_POLL_WATCHER = Event->io (
		3523	reentrant => 0,
		3524	fd => BDB::poll_fileno,
		3525	poll => 'r',
		3526	prio => 0,
		3527	data => WF_AUTOCANCEL,
		3528	cb => \&BDB::poll_cb,
		3529	);
		3530
		3531	BDB::set_sync_prepare {
		3532	my $status;
		3533	my $current = $Coro::current;
		3534	(
		3535	sub {
		3536	$status = $!;
		3537	$current->ready; undef $current;
		3538	},
		3539	sub {
		3540	Coro::schedule while defined $current;
		3541	$! = $status;
		3542	},
		3543	)
		3544	};
		3545
		3546	unless ($DB_ENV) {
		3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3552
		3553	cf::sync_job {
		3554	eval {
		3555	BDB::db_env_open
		3556	$DB_ENV,
		3557	$BDBDIR,
		3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3560	0666;
		3561
		3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3563	};
		3564
		3565	cf::cleanup "db_env_open(db): $@" if $@;
		3566	};
		3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
		3599	}
		3600
		3601	{
		3602	IO::AIO::min_parallel 8;
		3603
		3604	undef $Coro::AIO::WATCHER;
2438	IO::AIO::max_poll_time $TICK * 0.2;	3605	IO::AIO::max_poll_time $TICK * 0.1;
2439
2440	$AIO_POLL_WATCHER = Event->io (	3606	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,	3607	reentrant => 0,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,	3608	data => WF_AUTOCANCEL,
2450	after => 0,	3609	fd => IO::AIO::poll_fileno,
2451	interval => 10,	3610	poll => 'r',
2452	cb => sub {	3611	prio => 6,
2453	(Coro::unblock_sub {	3612	cb => \&IO::AIO::poll_cb,
2454	write_runtime	3613	);
2455	or warn "ERROR: unable to write runtime file: $!";	3614	}
		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
2456	})->();	3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
2457	},	3651	}
2458	);	3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
2459		3656
2460	END { cf::emergency_save }	3657	END { cf::emergency_save }
2461		3658
2462	1	3659	1
2463		3660

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