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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.188 by root, Sat Jan 20 23:30:16 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
53		88
54	our %CFG;	89	our %CFG;
55		90
56	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	92	our $RUNTIME;
58		93
59	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
67	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
70	binmode STDOUT;	105	binmode STDOUT;
71	binmode STDERR;	106	binmode STDERR;
72		107
73	# read virtual server time, if available	108	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
78	}	113	}
79		114
80	mkdir cf::localdir;	115	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		117
86	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
87		121
88	#############################################################################	122	#############################################################################
89		123
90	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
91		125
…		…
98	=item $cf::RUNTIME	132	=item $cf::RUNTIME
99		133
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	135	every server tick.
102		136
103	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		140
105	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
107		145
108	=item $cf::NOW	146	=item $cf::NOW
109		147
110	The time of the last (current) server tick.	148	The time of the last (current) server tick.
111		149
112	=item $cf::TICK	150	=item $cf::TICK
113		151
114	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
115		163
116	=item %cf::CFG	164	=item %cf::CFG
117		165
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	167	from wherever your confdir points to.
120		168
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		170
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	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	172	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	173	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.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
127		180
128	=back	181	=back
129		182
130	=cut	183	=cut
131		184
132	BEGIN {	185	BEGIN {
133	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	187	my $msg = join "", @_;
135	utf8::encode $msg;
136		188
137	$msg .= "\n"	189	$msg .= "\n"
138	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		193
140	LOG llevError, $msg;	194	LOG llevError, $msg;
141	};	195	};
142	}	196	}
143		197
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		205
151	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	207	# within the Safe compartment.
153	for my $pkg (qw(	208	for my $pkg (qw(
154	cf::global cf::attachable	209	cf::global cf::attachable
…		…
162	}	217	}
163		218
164	$Event::DIED = sub {	219	$Event::DIED = sub {
165	warn "error in event callback: @_";	220	warn "error in event callback: @_";
166	};	221	};
		222
		223	#############################################################################
167		224
168	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
169		226
170	=over 4	227	=over 4
171		228
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	248	$d
192	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
193	}	250	}
194		251
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
198		253
199	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
200		255
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
209		257
210	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
211		259
212	=cut	260	=cut
213		261
214	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
216	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
218		266
219	=item cf::lock_wait $string	267	=item cf::lock_wait $string
220		268
221	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
222		270
…		…
225	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
228	returned.	276	returned.
229		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
230	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
232		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
233	=cut	288	=cut
234		289
235	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
236		292
237	sub lock_wait($) {	293	sub lock_wait($) {
238	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
239		300
240	# wait for lock, if any	301	# wait for lock, if any
241	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	304	Coro::schedule;
…		…
249		310
250	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
251	lock_wait $key;	312	lock_wait $key;
252		313
253	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
254		316
255	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
258	}	321	}
259	}	322	}
260		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
261	sub freeze_mainloop {	330	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
263		332
264	my $guard = Coro::guard {	333	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	335	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
270	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
271	}	394	}
272		395
273	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
274		397
275	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		403
281	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
282		405
283	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
284		407
285	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
288		412
289	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
292	fast or be very important.	416	fast or be very important.
…		…
295		419
296	sub sync_job(&) {	420	sub sync_job(&) {
297	my ($job) = @_;	421	my ($job) = @_;
298		422
299	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
300	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
302		428
303	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
315		441
316	while ($busy) {	442	while ($busy) {
317	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
318	}	444	}
319		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
320	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
321	} else {	454	} else {
322	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
323		456
324	$job->()	457	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
344		477
345	$coro	478	$coro
346	}	479	}
347		480
348	sub write_runtime {	481	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		482
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
352	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
353		487
354	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		489
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
359	and return;	491	my ($cb, @args) = @_;
360		492
361	aio_fsync $fh	493	# we seemingly have to make a local copy of the whole thing,
362	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
363		496
364	close $fh	497	my @res = Coro::Util::fork_eval {
365	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
366		501
367	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
368	and return;	503	}
369		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
370	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	641	}
372		642
373	=back	643	=back
374		644
375	=cut	645	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
384		654
385	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	657	Crossfire TRT).
388		658
389	=over 4	659	=over 4
390		660
391	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
392		662
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
556		826
557	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		831
562	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	833	my $pkg = shift @arg;
564		834
565	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
595	}	865	}
596		866
597	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
598	} else {	868	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	870	}
601		871
602	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
603	}	873	}
604		874
…		…
606	if (ref $_[0]) {	876	if (ref $_[0]) {
607	_object_attach @_;	877	_object_attach @_;
608	} else {	878	} else {
609	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
610	}	880	}
		881	_recalc_want;
611	};	882	};
612		883
613	# all those should be optimised	884	# all those should be optimised
614	sub cf::attachable::detach {	885	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
619	reattach ($obj);	890	reattach ($obj);
620	} else {	891	} else {
621	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
622	}	893	}
		894	_recalc_want;
623	};	895	};
624		896
625	sub cf::attachable::attached {	897	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
627		899
…		…
642	";	914	";
643	die if $@;	915	die if $@;
644	}	916	}
645		917
646	our $override;	918	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		920
649	sub override {	921	sub override {
650	$override = 1;	922	$override = 1;
651	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
652	}	924	}
653		925
654	sub do_invoke {	926	sub do_invoke {
655	my $event = shift;	927	my $event = shift;
656	my $callbacks = shift;	928	my $callbacks = shift;
657		929
658	@invoke_results = ();	930	@INVOKE_RESULTS = ();
659		931
660	local $override;	932	local $override;
661		933
662	for (@$callbacks) {	934	for (@$callbacks) {
663	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
680		952
681	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
682		954
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		958
687	=back	959	=back
688		960
689	=cut	961	=cut
690		962
691	#############################################################################	963	#############################################################################
692	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
693		976
694	sub reattach {	977	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	979	my ($obj) = @_;
697		980
…		…
742	);	1025	);
743		1026
744	sub object_freezer_save {	1027	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
746		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
747	sync_job {	1032	sync_job {
748	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
751		1037
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1042	close $fh;
757		1043
758	if (@$objs) {	1044	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1050	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
766	}	1052	}
767	} else {	1053	} else {
768	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
774	}	1060	}
775	} else {	1061	} else {
776	aio_unlink $filename;	1062	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
778	}	1064	}
779	}	1065	};
		1066
		1067	undef $guard;
780	}	1068	}
781		1069
782	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
784		1072
…		…
789		1077
790	sub object_thawer_load {	1078	sub object_thawer_load {
791	my ($filename) = @_;	1079	my ($filename) = @_;
792		1080
793	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
794		1084
795	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
796	or return;	1086	or return;
797		1087
798	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
800	or return;	1090	or return;
		1091
		1092	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1094	}
803		1095
		1096	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
806	return ($data, $av);	1100	($data, $av)
807	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
808		1108
809	#############################################################################	1109	#############################################################################
810	# command handling &c	1110	# command handling &c
811		1111
812	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1126	}
827		1127
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1129
830	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
831		1135
832	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
833	called.	1137	called.
834		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
835	=cut	1150	=cut
836		1151
837	sub register_extcmd {	1152	sub register_extcmd {
838	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
839		1154
840	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
841	}	1162	}
842		1163
843	cf::player->attach (	1164	cf::player->attach (
844	on_command => sub {	1165	on_command => sub {
845	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1175	cf::override;
855	},	1176	},
856	on_extcmd => sub {	1177	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
858		1179
859	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1181
861	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
867	} else {	1197	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1199	}
870		1200
871	cf::override;	1201	cf::override;
872	},	1202	},
873	);	1203	);
874		1204
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
910	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1210	next unless -r $path;
912	eval {	1211
913	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
914	1	1269	}
915	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
916	}	1275	};
917	}	1276	}
918		1277
919	#############################################################################	1278	#############################################################################
920		1279
		1280	=back
		1281
921	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
922		1283
923	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
924		1285
925	=cut	1286	=cut
…		…
930		1291
931	=head3 cf::player	1292	=head3 cf::player
932		1293
933	=over 4	1294	=over 4
934		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
935	=item cf::player::find $login	1310	=item cf::player::find $login
936		1311
937	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
938		1313
939	=cut	1314	=cut
940		1315
941	sub playerdir($) {	1316	sub playerdir($) {
942	cf::localdir	1317	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1319	}
948		1320
949	sub path($) {	1321	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1323
952	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
953	}	1325	}
954		1326
955	sub find_active($) {	1327	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1342	my $login = $_[0];
971		1343
972	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
973		1345
974	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
976	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
978	}	1363	}
979	}	1364	}
980	}	1365	}
981		1366
…		…
991		1376
992	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
994		1379
995	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
996	Coro::cede;	1381	cf::cede_to_tick;
997	}	1382	}
998		1383
999	sub new($) {	1384	sub new($) {
1000	my ($login) = @_;	1385	my ($login) = @_;
1001		1386
…		…
1007	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1008		1393
1009	$self	1394	$self
1010	}	1395	}
1011		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
1012	=item $pl->quit_character	1407	=item $pl->quit_character
1013		1408
1014	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
1015	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1016		1411
1017	=cut	1412	=cut
1018		1413
1019	sub quit_character {	1414	sub quit_character {
1020	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1021		1418
1022	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1023	$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
1024		1421
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1453	}
1037		1454
1038	=item cf::player::list_logins	1455	=item cf::player::list_logins
1039		1456
1040	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
1041	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1042		1459
1043	=cut	1460	=cut
1044		1461
1045	sub list_logins {	1462	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1464	or return [];
1048		1465
1049	my @logins;	1466	my @logins;
1050		1467
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1055		1477
1056	utf8::decode $login;	1478	utf8::decode $login;
1057	push @logins, $login;	1479	push @logins, $login;
1058	}	1480	}
1059		1481
…		…
1067		1489
1068	=cut	1490	=cut
1069		1491
1070	sub maps($) {	1492	sub maps($) {
1071	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1496
1073	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1074	or return;	1498	or return;
1075		1499
1076	my @paths;	1500	my @paths;
…		…
1078	for (@$files) {	1502	for (@$files) {
1079	utf8::decode $_;	1503	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1082		1506
1083	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1508	}
1086		1509
1087	\@paths	1510	\@paths
1088	}	1511	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1091		1565
1092	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1093		1567
1094	=cut	1568	=cut
1095		1569
1096	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1098		1572
1099	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1574	}
1103		1575
1104	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1105		1616
1106	=back	1617	=back
1107
1108		1618
1109	=head3 cf::map	1619	=head3 cf::map
1110		1620
1111	=over 4	1621	=over 4
1112		1622
…		…
1167	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1168		1678
1169	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1170	local $self->{path};	1680	local $self->{path};
1171	local $self->{load_path};	1681	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1682
1175	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1176	}	1684	}
1177		1685
1178	sub normalise {	1686	sub normalise {
1179	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1180		1692
1181	# map plan:	1693	# map plan:
1182	#	1694	#
1183	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1222	return $self;	1734	return $self;
1223	}	1735	}
1224	}	1736	}
1225		1737
1226	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1739	()
1228	}	1740	}
1229		1741
1230	sub init {	1742	sub init {
1231	my ($self) = @_;	1743	my ($self) = @_;
…		…
1246		1758
1247	# the original (read-only) location	1759	# the original (read-only) location
1248	sub load_path {	1760	sub load_path {
1249	my ($self) = @_;	1761	my ($self) = @_;
1250		1762
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1252	}	1764	}
1253		1765
1254	# the temporary/swap location	1766	# the temporary/swap location
1255	sub save_path {	1767	sub save_path {
1256	my ($self) = @_;	1768	my ($self) = @_;
1257		1769
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1260	}	1772	}
1261		1773
1262	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1263	sub uniq_path {	1775	sub uniq_path {
1264	my ($self) = @_;	1776	my ($self) = @_;
1265		1777
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1268	}	1780	}
1269		1781
1270	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1271	# all maps in C++...	1783	# all maps in C++...
1272	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1274		1786
1275	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1277	}	1789	}
1278		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1279	sub unlink_save {	1799	sub unlink_save {
1280	my ($self) = @_;	1800	my ($self) = @_;
1281		1801
1282	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1806
1287	sub load_header_from($) {	1807	sub load_header_from($) {
1288	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1289		1809
1290	utf8::encode $path;	1810	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1292	or return;	1812	or return;
1293		1813
1294	$self->_load_header ($path)	1814	$self->_load_header ($f)
1295	or return;	1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1296		1819
1297	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1298		1821
1299	1	1822	1
1300	}	1823	}
…		…
1339	$self->load_header_orig	1862	$self->load_header_orig
1340	or return;	1863	or return;
1341	$self->prepare_orig;	1864	$self->prepare_orig;
1342	}	1865	}
1343		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 $self->default_region;
		1872
1344	1	1873	1
1345	}	1874	}
1346		1875
1347	sub find;	1876	sub find;
1348	sub find {	1877	sub find {
1349	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1350		1879
1351	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1352		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1354		1884
1355	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1356	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
1357	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1358	or return;	1890	or return;
1359		1891
1360	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1361		1893
1362	$map->load_header	1894	$map->load_header
1363	or return;	1895	or return;
1364		1896
1365	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1368	$map->reset;	1902	$map->reset;
1369	undef $guard;
1370	$map = find $path	1903	return find $path;
1371	or return;
1372	}	1904	}
1373		1905
1374	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1375	}	1907	}
1376	}	1908	}
…		…
1379	sub post_load { }	1911	sub post_load { }
1380		1912
1381	sub load {	1913	sub load {
1382	my ($self) = @_;	1914	my ($self) = @_;
1383		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1384	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1386		1922
		1923	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1388		1925
1389	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1390		1927
1391	$self->alloc;	1928	$self->alloc;
1392		1929
1393	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1394		1932
1395	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1396	or return;	1936	or return;
1397		1937
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	1939	if delete $self->{load_original};
1400		1940
1401	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	1942	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	1945	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1406	}	1949	}
1407	}	1950	}
1408		1951
1409	Coro::cede;	1952	$f->resolve_delayed_derefs;
1410		1953
		1954	cf::cede_to_tick;
1411	# now do the right thing for maps	1955	# now do the right thing for maps
1412	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1958	unless $self->difficulty;
1422	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1423	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1975	}
1425		1976
1426	$self->post_load;	1977	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1978	}
1430		1979
1431	sub customise_for {	1980	sub customise_for {
1432	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1433		1982
1434	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1984	if $self->per_player;
1436		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1437	$self	1989	$self
1438	}	1990	}
1439		1991
1440	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1993	sub load_neighbours {
1442	my ($map) = @_;	1994	my ($map) = @_;
1443		1995
1444	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1445		1997
1446	for (0 .. 3) {	1998	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1448	or next;	2000	or next;
1449	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1450	or next;	2002	or next;
1451	$neigh->load;	2003	$neigh->load;
1452		2004
		2005	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2008	}
1456		2009
1457	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1459	or next;	2013	or next;
1460	$neigh->load;	2014	$neigh->load;
1461	}	2015	}
1462	}	2016	}
1463		2017
…		…
1468	}	2022	}
1469		2023
1470	sub do_load_sync {	2024	sub do_load_sync {
1471	my ($map) = @_;	2025	my ($map) = @_;
1472		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1473	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1474	}	2031	}
1475		2032
1476	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1478		2035
1479	sub find_async {	2036	sub find_async {
1480	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1481		2038
1482	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1483		2040
1484	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1486	}	2043	}
1487		2044
1488	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1489	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1490	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2050	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2051	$map->load if $v;
		2052	}
1495		2053
1496	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1497	}	2055	}
1498	}	2056	}
1499	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1500	};	2058	};
		2059	$MAP_PREFETCHER->prio (6);
1501		2060
1502	()	2061	()
1503	}	2062	}
1504		2063
1505	sub save {	2064	sub save {
1506	my ($self) = @_;	2065	my ($self) = @_;
1507		2066
1508	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1509		2068
1510	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1511		2070
1512	return unless $self->dirty;	2071	return unless $self->dirty;
1513		2072
…		…
1536	my ($self) = @_;	2095	my ($self) = @_;
1537		2096
1538	# save first because save cedes	2097	# save first because save cedes
1539	$self->save;	2098	$self->save;
1540		2099
1541	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1542		2101
1543	return if $self->players;	2102	return if $self->players;
1544	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1545	return if $self->{deny_save};	2104	return if $self->{deny_save};
1546		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2110	$self->clear;
1548	$self->in_memory (cf::MAP_SWAPPED);
1549	}	2111	}
1550		2112
1551	sub reset_at {	2113	sub reset_at {
1552	my ($self) = @_;	2114	my ($self) = @_;
1553		2115
1554	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1555	return 1e99 if $self->isa ("ext::map_per_player");#d#
1556	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1557		2118
1558	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1559	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1560		2121
…		…
1571	my ($self) = @_;	2132	my ($self) = @_;
1572		2133
1573	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2135
1575	return if $self->players;	2136	return if $self->players;
1576	return if $self->isa ("ext::map_per_player");#d#
1577		2137
1578	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	}
1579		2149
1580	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1581		2151
1582	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2154	$self->clear;
1584
1585	$_->clear_links_to ($self) for values %cf::MAP;
1586		2155
1587	$self->unlink_save;	2156	$self->unlink_save;
1588	$self->destroy;	2157	$self->destroy;
1589	}	2158	}
1590		2159
1591	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1592		2161
1593	sub nuke {	2162	sub nuke {
1594	my ($self) = @_;	2163	my ($self) = @_;
1595		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1596	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1597		2169
1598	$self->unlink_save;	2170	$self->unlink_save;
1599		2171
1600	bless $self, "cf::map";	2172	bless $self, "cf::map";
1601	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1602	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1603	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1604	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1605		2177
1606	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1607		2180
1608	$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	]
1609	}	2218	}
1610		2219
1611	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1612		2221
1613	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2223	instantiated unique items. May block.
1615		2224
1616	=cut	2225	=cut
1617		2226
1618	sub unique_maps() {	2227	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1620	or return;	2229	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2230	utf8::decode $_;
1626	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;
1628
1629	s/\.map$//;	2231	/\.map$/
1630	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1631	}	2235	]
1632
1633	\@paths
1634	}	2236	}
1635		2237
1636	package cf;	2238	package cf;
1637		2239
1638	=back	2240	=back
…		…
1656	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1657	}	2259	}
1658		2260
1659	sub inv_recursive {	2261	sub inv_recursive {
1660	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	}
1661	}	2294	}
1662		2295
1663	package cf;	2296	package cf;
1664		2297
1665	=back	2298	=back
…		…
1684		2317
1685	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1686		2319
1687	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1688	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1689	} 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 {
1690	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1691	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1692	}	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 (@_);
1693	}	2345	}
1694		2346
1695	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1696		2348
1697	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1729	=cut	2381	=cut
1730		2382
1731	sub link_map {	2383	sub link_map {
1732	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1733	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1734	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1735	$LINK_MAP->load;	2387	$LINK_MAP->load;
1736	}	2388	}
1737		2389
1738	$LINK_MAP	2390	$LINK_MAP
1739	}	2391	}
…		…
1744	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1745		2397
1746	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1747		2399
1748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1749	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1750		2402
1751	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1752	}	2404	}
1753		2405
1754	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1755	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1756		2410
1757	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1758		2412
1759	unless ($map) {	2413	unless ($map) {
1760	# restore original map position	2414	# restore original map position
…		…
1774	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1775	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1776	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1777		2431
1778	$map->load;	2432	$map->load;
1779	$map->load_diag;	2433	$map->load_neighbours;
1780		2434
1781	return unless $self->contr->active;	2435	return unless $self->contr->active;
1782	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1783	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1784	}	2440	}
1785		2441
1786	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1787	on_logout => sub {
1788	my ($pl) = @_;
1789		2443
1790	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1791	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1792	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1793	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1794	};	2448	be called at the end of this process.
1795	}
1796	},
1797	on_login => sub {
1798	my ($pl) = @_;
1799		2449
1800	# try to abort aborted map switching on player login :)
1801	# should happen only on crashes
1802	if ($pl->ob->{_link_pos}) {
1803	$pl->ob->enter_link;
1804	(async {
1805	# we need this sleep as the login has a concurrent enter_exit running
1806	# and this sleep increases chances of the player not ending up in scorn
1807	$pl->ob->reply (undef,
1808	"There was an internal problem at your last logout, "
1809	. "the server will try to bring you to your intended destination in a second.",
1810	cf::NDI_RED);
1811	Coro::Timer::sleep 1;
1812	$pl->ob->leave_link;
1813	})->prio (2);
1814	}
1815	},
1816	);
1817
1818	=item $player_object->goto ($path, $x, $y)
1819
1820	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1821		2453
1822	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1823	my ($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;
1824		2459
1825	$self->enter_link;	2460	$self->enter_link;
1826		2461
1827	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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 = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
		2478	my $map = eval {
1828	my $map = cf::map::find $path;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1829	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
1830		2483	$map = $check->($map) if $check && $map;
1831	# warn "entering ", $map->path, " at ($x, $y)\n"	2484	} else {
1832	# if $map;
1833
1834	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
1835		2487
		2488	$map
		2489	};
		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
		2494	}
		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1836	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1837	})->prio (1);	2502	})->prio (1);
1838	}	2503	}
1839		2504
1840	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
1841		2506
…		…
1870	# that depends on the exit object	2535	# that depends on the exit object
1871		2536
1872	my $rmp = parse_random_map_params $exit->msg;	2537	my $rmp = parse_random_map_params $exit->msg;
1873		2538
1874	if ($exit->map) {	2539	if ($exit->map) {
1875	$rmp->{region} = $exit->map->region_name;	2540	$rmp->{region} = $exit->region->name;
1876	$rmp->{origin_map} = $exit->map->path;	2541	$rmp->{origin_map} = $exit->map->path;
1877	$rmp->{origin_x} = $exit->x;	2542	$rmp->{origin_x} = $exit->x;
1878	$rmp->{origin_y} = $exit->y;	2543	$rmp->{origin_y} = $exit->y;
1879	}	2544	}
1880		2545
1881	$rmp->{random_seed} ||= $exit->random_seed;	2546	$rmp->{random_seed} ||= $exit->random_seed;
1882		2547
1883	my $data = cf::to_json $rmp;	2548	my $data = cf::to_json $rmp;
1884	my $md5 = Digest::MD5::md5_hex $data;	2549	my $md5 = Digest::MD5::md5_hex $data;
1885	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2550	my $meta = "$RANDOMDIR/$md5.meta";
1886		2551
1887	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1888	aio_write $fh, 0, (length $data), $data, 0;	2553	aio_write $fh, 0, (length $data), $data, 0;
1889	undef $fh;	2554	undef $fh;
1890	aio_rename "$meta~", $meta;	2555	aio_rename "$meta~", $meta;
…		…
1897	sub cf::object::player::enter_exit {	2562	sub cf::object::player::enter_exit {
1898	my ($self, $exit) = @_;	2563	my ($self, $exit) = @_;
1899		2564
1900	return unless $self->type == cf::PLAYER;	2565	return unless $self->type == cf::PLAYER;
1901		2566
		2567	if ($exit->slaying eq "/!") {
		2568	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2569	# the problem is that $exit might not survive long enough
		2570	# so it needs to be done right now, right here
		2571	cf::sync_job { prepare_random_map $exit };
		2572	}
		2573
		2574	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2575	my $hp = $exit->stats->hp;
		2576	my $sp = $exit->stats->sp;
		2577
1902	$self->enter_link;	2578	$self->enter_link;
		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
1903		2583
1904	(async {	2584	(async {
1905	$self->deactivate_recursive; # just to be sure	2585	$self->deactivate_recursive; # just to be sure
1906	unless (eval {	2586	unless (eval {
1907	prepare_random_map $exit	2587	$self->goto ($slaying, $hp, $sp);
1908	if $exit->slaying eq "/!";
1909
1910	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1911	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1912		2588
1913	1;	2589	1;
1914	}) {	2590	}) {
1915	$self->message ("Something went wrong deep within the crossfire server. "	2591	$self->message ("Something went wrong deep within the crossfire server. "
1916	. "I'll try to bring you back to the map you were before. "	2592	. "I'll try to bring you back to the map you were before. "
1917	. "Please report this to the dungeon master!",	2593	. "Please report this to the dungeon master!",
1918	cf::NDI_UNIQUE | cf::NDI_RED);	2594	cf::NDI_UNIQUE | cf::NDI_RED);
1919		2595
1920	warn "ERROR in enter_exit: $@";	2596	warn "ERROR in enter_exit: $@";
1921	$self->leave_link;	2597	$self->leave_link;
1922	}	2598	}
1923	})->prio (1);	2599	})->prio (1);
…		…
1936		2612
1937	sub cf::client::send_drawinfo {	2613	sub cf::client::send_drawinfo {
1938	my ($self, $text, $flags) = @_;	2614	my ($self, $text, $flags) = @_;
1939		2615
1940	utf8::encode $text;	2616	utf8::encode $text;
1941	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1942	}	2618	}
1943		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
		2701	=item $client->ext_msg ($type, @msg)
		2702
		2703	Sends an ext event to the client.
		2704
		2705	=cut
		2706
		2707	sub cf::client::ext_msg($$@) {
		2708	my ($self, $type, @msg) = @_;
		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
		2713	push @msg, msgtype => "event_$type";
		2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
1944		2735
1945	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
1946		2737
1947	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
1948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1950		2741
1951	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
1952	reliable at some point in the future.	2743	become reliable at some point in the future.
1953		2744
1954	=cut	2745	=cut
1955		2746
1956	sub cf::client::query {	2747	sub cf::client::query {
1957	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
1965	utf8::encode $text;	2756	utf8::encode $text;
1966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1967		2758
1968	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
1969	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
1970	}	2763	}
1971		2764
1972	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
1973	on_reply => sub {	2771	on_reply => sub {
1974	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
1975		2773
1976	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
1977	# get handled first	2775	# get handled first
1978	my $queue = delete $ns->{query_queue}	2776	my $queue = delete $ns->{query_queue}
1979	or return; # be conservative, not sure how that can happen, but we saw a crash here	2777	or return; # be conservative, not sure how that can happen, but we saw a crash here
1980		2778
1981	(shift @$queue)->[1]->($msg);	2779	(shift @$queue)->[1]->($msg);
		2780	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1982		2781
1983	push @{ $ns->{query_queue} }, @$queue;	2782	push @{ $ns->{query_queue} }, @$queue;
1984		2783
1985	if (@{ $ns->{query_queue} } == @$queue) {	2784	if (@{ $ns->{query_queue} } == @$queue) {
1986	if (@$queue) {	2785	if (@$queue) {
…		…
1988	} else {	2787	} else {
1989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1990	}	2789	}
1991	}	2790	}
1992	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
1993	);	2818	);
1994		2819
1995	=item $client->async (\&cb)	2820	=item $client->async (\&cb)
1996		2821
1997	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
…		…
2038	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
2039	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
2040		2865
2041	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
2042		2867
2043	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
2044		2873
2045	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
2046		2875
2047	=pod	2876	=pod
2048		2877
2049	The following fucntions and emthods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
2050		2879
2051	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
2052	cf::object::player player	2884	cf::object::player
2053	cf::player peaceful	2885	player
2054	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
2055		2892
2056	=cut	2893	=cut
2057		2894
2058	for (	2895	for (
2059	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
2060	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
2061	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
2062	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
2063	) {	2902	) {
2064	no strict 'refs';	2903	no strict 'refs';
…		…
2135	=back	2974	=back
2136		2975
2137	=cut	2976	=cut
2138		2977
2139	#############################################################################	2978	#############################################################################
		2979	# the server's init and main functions
2140		2980
2141	=head2 EXTENSION DATABASE SUPPORT	2981	sub load_facedata($) {
		2982	my ($path) = @_;
2142		2983
2143	Crossfire maintains a very simple database for extension use. It can	2984	# HACK to clear player env face cache, we need some signal framework
2144	currently store anything that can be serialised using Storable, which	2985	# for this (global event?)
2145	excludes objects.	2986	%ext::player_env::MUSIC_FACE_CACHE = ();
2146		2987
2147	The parameter C<$family> should best start with the name of the extension	2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2148	using it, it should be unique.
2149		2989
2150	=over 4	2990	warn "loading facedata from $path\n";
2151		2991
2152	=item $hashref = cf::db_get $family	2992	my $facedata;
		2993	0 < aio_load $path, $facedata
		2994	or die "$path: $!";
2153		2995
2154	Return a hashref for use by the extension C<$family>, which can be	2996	$facedata = Coro::Storable::thaw $facedata;
2155	modified. After modifications, you have to call C<cf::db_dirty> or
2156	C<cf::db_sync>.
2157		2997
2158	=item $value = cf::db_get $family => $key	2998	$facedata->{version} == 2
		2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
2159		3000
2160	Returns a single value from the database	3001	# patch in the exptable
2161		3002	$facedata->{resource}{"res/exp_table"} = {
2162	=item cf::db_put $family => $hashref	3003	type => FT_RSRC,
2163		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2164	Stores the given family hashref into the database. Updates are delayed, if
2165	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2166
2167	=item cf::db_put $family => $key => $value
2168
2169	Stores the given C<$value> in the family hash. Updates are delayed, if you
2170	want the data to be synced to disk immediately, use C<cf::db_sync>.
2171
2172	=item cf::db_dirty
2173
2174	Marks the database as dirty, to be updated at a later time.
2175
2176	=item cf::db_sync
2177
2178	Immediately write the database to disk I<if it is dirty>.
2179
2180	=cut
2181
2182	our $DB;
2183
2184	{
2185	my $path = cf::localdir . "/database.pst";
2186
2187	sub db_load() {
2188	$DB = stat $path ? Storable::retrieve $path : { };
2189	}
2190
2191	my $pid;
2192
2193	sub db_save() {
2194	waitpid $pid, 0 if $pid;
2195	if (0 == ($pid = fork)) {
2196	$DB->{_meta}{version} = 1;
2197	Storable::nstore $DB, "$path~";
2198	rename "$path~", $path;
2199	cf::_exit 0 if defined $pid;
2200	}
2201	}
2202
2203	my $dirty;
2204
2205	sub db_sync() {
2206	db_save if $dirty;
2207	undef $dirty;
2208	}
2209
2210	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2211	db_sync;
2212	});	3005	};
		3006	cf::cede_to_tick;
2213		3007
2214	sub db_dirty() {
2215	$dirty = 1;
2216	$idle->start;
2217	}	3008	{
		3009	my $faces = $facedata->{faceinfo};
2218		3010
2219	sub db_get($;$) {	3011	while (my ($face, $info) = each %$faces) {
2220	@_ >= 2	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2221	? $DB->{$_[0]}{$_[1]}	3013	cf::face::set_visibility $idx, $info->{visibility};
2222	: ($DB->{$_[0]} ||= { })	3014	cf::face::set_magicmap $idx, $info->{magicmap};
2223	}	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2224		3017
2225	sub db_put($$;$) {	3018	cf::cede_to_tick;
2226	if (@_ >= 3) {
2227	$DB->{$_[0]}{$_[1]} = $_[2];
2228	} else {
2229	$DB->{$_[0]} = $_[1];
2230	}
2231	db_dirty;
2232	}
2233
2234	cf::global->attach (
2235	prio => 10000,
2236	on_cleanup => sub {
2237	db_sync;
2238	},	3019	}
2239	);
2240	}
2241		3020
2242	#############################################################################	3021	while (my ($face, $info) = each %$faces) {
2243	# the server's main()	3022	next unless $info->{smooth};
		3023	my $idx = cf::face::find $face
		3024	or next;
		3025	if (my $smooth = cf::face::find $info->{smooth}) {
		3026	cf::face::set_smooth $idx, $smooth;
		3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3028	} else {
		3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3030	}
2244		3031
2245	sub cfg_load {	3032	cf::cede_to_tick;
		3033	}
		3034	}
		3035
		3036	{
		3037	my $anims = $facedata->{animinfo};
		3038
		3039	while (my ($anim, $info) = each %$anims) {
		3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3041	cf::cede_to_tick;
		3042	}
		3043
		3044	cf::anim::invalidate_all; # d'oh
		3045	}
		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
		3094	}
		3095
		3096	1
		3097	}
		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
		3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	load_resource_file "$MAPDIR/regions"
		3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
		3119	}
		3120
		3121	sub reload_facedata {
		3122	load_facedata "$DATADIR/facedata"
		3123	or die "unable to load facedata\n";
		3124	}
		3125
		3126	sub reload_archetypes {
		3127	load_resource_file "$DATADIR/archetypes"
		3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	}
		3135
		3136	sub reload_treasures {
		3137	load_resource_file "$DATADIR/treasures"
		3138	or die "unable to load treasurelists\n";
		3139	}
		3140
		3141	sub reload_resources {
		3142	warn "reloading resource files...\n";
		3143
		3144	reload_regions;
		3145	reload_facedata;
		3146	#reload_archetypes;#d#
		3147	reload_archetypes;
		3148	reload_treasures;
		3149
		3150	warn "finished reloading resource files\n";
		3151	}
		3152
		3153	sub init {
		3154	reload_resources;
		3155	}
		3156
		3157	sub reload_config {
2246	open my $fh, "<:utf8", cf::confdir . "/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
2247	or return;	3159	or return;
2248		3160
2249	local $/;	3161	local $/;
2250	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
2251		3163
…		…
2270	(async {	3182	(async {
2271	Event::one_event;	3183	Event::one_event;
2272	})->prio (Coro::PRIO_MAX);	3184	})->prio (Coro::PRIO_MAX);
2273	};	3185	};
2274		3186
2275	cfg_load;	3187	reload_config;
2276	db_load;	3188	db_init;
2277	load_extensions;	3189	load_extensions;
2278		3190
2279	$TICK_WATCHER->start;	3191	$TICK_WATCHER->start;
2280	Event::loop;	3192	Event::loop;
2281	}	3193	}
…		…
2285		3197
2286	# install some emergency cleanup handlers	3198	# install some emergency cleanup handlers
2287	BEGIN {	3199	BEGIN {
2288	for my $signal (qw(INT HUP TERM)) {	3200	for my $signal (qw(INT HUP TERM)) {
2289	Event->signal (	3201	Event->signal (
		3202	reentrant => 0,
2290	data => WF_AUTOCANCEL,	3203	data => WF_AUTOCANCEL,
2291	signal => $signal,	3204	signal => $signal,
		3205	prio => 0,
2292	cb => sub {	3206	cb => sub {
2293	cf::cleanup "SIG$signal";	3207	cf::cleanup "SIG$signal";
2294	},	3208	},
2295	);	3209	);
2296	}	3210	}
		3211	}
		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
2297	}	3249	}
2298		3250
2299	sub emergency_save() {	3251	sub emergency_save() {
2300	my $freeze_guard = cf::freeze_mainloop;	3252	my $freeze_guard = cf::freeze_mainloop;
2301		3253
…		…
2318	my $map = $cf::MAP{$path} or next;	3270	my $map = $cf::MAP{$path} or next;
2319	$map->valid or next;	3271	$map->valid or next;
2320	$map->save;	3272	$map->save;
2321	}	3273	}
2322	warn "end emergency map save\n";	3274	warn "end emergency map save\n";
		3275
		3276	warn "begin emergency database checkpoint\n";
		3277	BDB::db_env_txn_checkpoint $DB_ENV;
		3278	warn "end emergency database checkpoint\n";
2323	};	3279	};
2324		3280
2325	warn "leave emergency perl save\n";	3281	warn "leave emergency perl save\n";
2326	}	3282	}
2327		3283
		3284	sub post_cleanup {
		3285	my ($make_core) = @_;
		3286
		3287	warn Carp::longmess "post_cleanup backtrace"
		3288	if $make_core;
		3289	}
		3290
2328	sub reload() {	3291	sub do_reload_perl() {
2329	# can/must only be called in main	3292	# can/must only be called in main
2330	if ($Coro::current != $Coro::main) {	3293	if ($Coro::current != $Coro::main) {
2331	warn "can only reload from main coroutine";	3294	warn "can only reload from main coroutine";
2332	return;	3295	return;
2333	}	3296	}
2334		3297
2335	warn "reloading...";	3298	warn "reloading...";
2336		3299
2337	warn "cancelling server ticker";	3300	warn "entering sync_job";
2338	$TICK_WATCHER->cancel;
2339		3301
		3302	cf::sync_job {
		3303	cf::write_runtime; # external watchdog should not bark
2340	cf::emergency_save;	3304	cf::emergency_save;
		3305	cf::write_runtime; # external watchdog should not bark
2341		3306
2342	eval {	3307	warn "syncing database to disk";
		3308	BDB::db_env_txn_checkpoint $DB_ENV;
		3309
2343	# if anything goes wrong in here, we should simply crash as we already saved	3310	# if anything goes wrong in here, we should simply crash as we already saved
2344
2345	warn "syncing database to disk";
2346	cf::db_sync;
2347		3311
2348	warn "cancelling all WF_AUTOCANCEL watchers";	3312	warn "cancelling all WF_AUTOCANCEL watchers";
2349	for (Event::all_watchers) {	3313	for (Event::all_watchers) {
2350	$_->cancel if $_->data & WF_AUTOCANCEL;	3314	$_->cancel if $_->data & WF_AUTOCANCEL;
2351	}	3315	}
2352		3316
2353	warn "flushing outstanding aio requests";	3317	warn "flushing outstanding aio requests";
2354	for (;;) {	3318	for (;;) {
		3319	BDB::flush;
2355	IO::AIO::flush;	3320	IO::AIO::flush;
2356	Coro::cede;	3321	Coro::cede;
2357	last unless IO::AIO::nreqs;	3322	last unless IO::AIO::nreqs || BDB::nreqs;
2358	warn "iterate...";	3323	warn "iterate...";
2359	}	3324	}
		3325
		3326	++$RELOAD;
2360		3327
2361	warn "cancelling all extension coros";	3328	warn "cancelling all extension coros";
2362	$_->cancel for values %EXT_CORO;	3329	$_->cancel for values %EXT_CORO;
2363	%EXT_CORO = ();	3330	%EXT_CORO = ();
2364		3331
2365	warn "removing commands";	3332	warn "removing commands";
2366	%COMMAND = ();	3333	%COMMAND = ();
2367		3334
2368	warn "removing ext commands";	3335	warn "removing ext/exti commands";
2369	%EXTCMD = ();	3336	%EXTCMD = ();
		3337	%EXTICMD = ();
2370		3338
2371	warn "unloading/nuking all extensions";	3339	warn "unloading/nuking all extensions";
2372	for my $pkg (@EXTS) {	3340	for my $pkg (@EXTS) {
2373	warn "... unloading $pkg";	3341	warn "... unloading $pkg";
2374		3342
…		…
2404	Symbol::delete_package "safe::$_"	3372	Symbol::delete_package "safe::$_"
2405	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2406		3374
2407	warn "unloading cf.pm \"a bit\"";	3375	warn "unloading cf.pm \"a bit\"";
2408	delete $INC{"cf.pm"};	3376	delete $INC{"cf.pm"};
		3377	delete $INC{"cf/pod.pm"};
2409		3378
2410	# don't, removes xs symbols, too,	3379	# don't, removes xs symbols, too,
2411	# and global variables created in xs	3380	# and global variables created in xs
2412	#Symbol::delete_package __PACKAGE__;	3381	#Symbol::delete_package __PACKAGE__;
2413		3382
…		…
2416	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
2417	require cf;	3386	require cf;
2418	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2419		3388
2420	warn "loading config and database again";	3389	warn "loading config and database again";
2421	cf::cfg_load;	3390	cf::reload_config;
2422	cf::db_load;
2423		3391
2424	warn "loading extensions";	3392	warn "loading extensions";
2425	cf::load_extensions;	3393	cf::load_extensions;
2426		3394
2427	warn "reattaching attachments to objects/players";	3395	warn "reattaching attachments to objects/players";
2428	_global_reattach;	3396	_global_reattach; # objects, sockets
2429	warn "reattaching attachments to maps";	3397	warn "reattaching attachments to maps";
2430	reattach $_ for values %MAP;	3398	reattach $_ for values %MAP;
		3399	warn "reattaching attachments to players";
		3400	reattach $_ for values %PLAYER;
2431		3401
2432	warn "restarting server ticker";	3402	warn "leaving sync_job";
2433		3403
2434	$TICK_WATCHER->start;	3404	1
2435	};	3405	} or do {
2436
2437	if ($@) {
2438	warn $@;	3406	warn $@;
2439	warn "error while reloading, exiting.";	3407	warn "error while reloading, exiting.";
2440	exit 1;	3408	exit 1;
2441	}	3409	};
2442		3410
2443	warn "reloaded";	3411	warn "reloaded";
2444	};	3412	};
2445		3413
2446	our $RELOAD_WATCHER; # used only during reload	3414	our $RELOAD_WATCHER; # used only during reload
2447		3415
		3416	sub reload_perl() {
		3417	# doing reload synchronously and two reloads happen back-to-back,
		3418	# coro crashes during coro_state_free->destroy here.
		3419
		3420	$RELOAD_WATCHER ||= Event->timer (
		3421	reentrant => 0,
		3422	after => 0,
		3423	data => WF_AUTOCANCEL,
		3424	cb => sub {
		3425	do_reload_perl;
		3426	undef $RELOAD_WATCHER;
		3427	},
		3428	);
		3429	}
		3430
2448	register_command "reload" => sub {	3431	register_command "reload" => sub {
2449	my ($who, $arg) = @_;	3432	my ($who, $arg) = @_;
2450		3433
2451	if ($who->flag (FLAG_WIZ)) {	3434	if ($who->flag (FLAG_WIZ)) {
2452	$who->message ("reloading server.");	3435	$who->message ("reloading server.");
2453		3436	async { reload_perl };
2454	# doing reload synchronously and two reloads happen back-to-back,
2455	# coro crashes during coro_state_free->destroy here.
2456
2457	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2458	reload;
2459	undef $RELOAD_WATCHER;
2460	});
2461	}	3437	}
2462	};	3438	};
2463		3439
2464	unshift @INC, $LIBDIR;	3440	unshift @INC, $LIBDIR;
2465		3441
2466	my $bug_warning = 0;	3442	my $bug_warning = 0;
		3443
		3444	our @WAIT_FOR_TICK;
		3445	our @WAIT_FOR_TICK_BEGIN;
		3446
		3447	sub wait_for_tick {
		3448	return unless $TICK_WATCHER->is_active;
		3449	return if $Coro::current == $Coro::main;
		3450
		3451	my $signal = new Coro::Signal;
		3452	push @WAIT_FOR_TICK, $signal;
		3453	$signal->wait;
		3454	}
		3455
		3456	sub wait_for_tick_begin {
		3457	return unless $TICK_WATCHER->is_active;
		3458	return if $Coro::current == $Coro::main;
		3459
		3460	my $signal = new Coro::Signal;
		3461	push @WAIT_FOR_TICK_BEGIN, $signal;
		3462	$signal->wait;
		3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2467		3467
2468	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
2469	reentrant => 0,	3469	reentrant => 0,
2470	parked => 1,	3470	parked => 1,
2471	prio => 0,	3471	prio => 0,
…		…
2476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2477	unless ++$bug_warning > 10;	3477	unless ++$bug_warning > 10;
2478	return;	3478	return;
2479	}	3479	}
2480		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
2481	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2482		3484
2483	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2484	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2485	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2486		3489
2487	$WAIT_FOR_TICK->broadcast;	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2488	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3492	Coro::async_pool {
		3493	write_runtime
		3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
		3496	}
		3497
		3498	# my $AFTER = Event::time;
		3499	# warn $AFTER - $NOW;#d#
		3500
		3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3502	$sig->send;
		3503	}
		3504	while (my $sig = shift @WAIT_FOR_TICK) {
		3505	$sig->send;
		3506	}
		3507
		3508	$NOW = Event::time;
2489		3509
2490	# if we are delayed by four ticks or more, skip them all	3510	# if we are delayed by four ticks or more, skip them all
2491	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2492		3512
2493	$TICK_WATCHER->at ($NEXT_TICK);	3513	$TICK_WATCHER->at ($NEXT_TICK);
2494	$TICK_WATCHER->start;	3514	$TICK_WATCHER->start;
		3515
		3516	$LOAD = ($NOW - $tick_start) / $TICK;
		3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3518
		3519	_post_tick;
		3520
		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2495	},	3524	},
2496	);	3525	);
2497		3526
		3527	{
		3528	BDB::min_parallel 8;
		3529	BDB::max_poll_time $TICK * 0.1;
		3530	$BDB_POLL_WATCHER = Event->io (
		3531	reentrant => 0,
		3532	fd => BDB::poll_fileno,
		3533	poll => 'r',
		3534	prio => 0,
		3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556
		3557	cf::sync_job {
		3558	eval {
		3559	BDB::db_env_open
		3560	$DB_ENV,
		3561	$BDBDIR,
		3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3564	0666;
		3565
		3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3567
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_lk_detect;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3578	after => 11,
		3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
		3597	}
		3598
		3599	{
		3600	IO::AIO::min_parallel 8;
		3601
		3602	undef $Coro::AIO::WATCHER;
2498	IO::AIO::max_poll_time $TICK * 0.2;	3603	IO::AIO::max_poll_time $TICK * 0.1;
2499
2500	$AIO_POLL_WATCHER = Event->io (	3604	$AIO_POLL_WATCHER = Event->io (
2501	fd => IO::AIO::poll_fileno,	3605	reentrant => 0,
2502	poll => 'r',
2503	prio => 5,
2504	data => WF_AUTOCANCEL,
2505	cb => \&IO::AIO::poll_cb,
2506	);
2507
2508	$WRITE_RUNTIME_WATCHER = Event->timer (
2509	data => WF_AUTOCANCEL,	3606	data => WF_AUTOCANCEL,
2510	after => 1,	3607	fd => IO::AIO::poll_fileno,
2511	interval => 10,	3608	poll => 'r',
2512	prio => 6, # keep it lowest so it acts like a watchdog	3609	prio => 6,
2513	cb => Coro::unblock_sub {	3610	cb => \&IO::AIO::poll_cb,
2514	write_runtime	3611	);
2515	or warn "ERROR: unable to write runtime file: $!";	3612	}
		3613
		3614	my $_log_backtrace;
		3615
		3616	sub _log_backtrace {
		3617	my ($msg, @addr) = @_;
		3618
		3619	$msg =~ s/\n//;
		3620
		3621	# limit the # of concurrent backtraces
		3622	if ($_log_backtrace < 2) {
		3623	++$_log_backtrace;
		3624	async {
		3625	my @bt = fork_call {
		3626	@addr = map { sprintf "%x", $_ } @addr;
		3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3629	or die "addr2line: $!";
		3630
		3631	my @funcs;
		3632	my @res = <$fh>;
		3633	chomp for @res;
		3634	while (@res) {
		3635	my ($func, $line) = splice @res, 0, 2, ();
		3636	push @funcs, "[$func] $line";
		3637	}
		3638
		3639	@funcs
		3640	};
		3641
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] $_\n" for @bt;
		3644	--$_log_backtrace;
		3645	};
		3646	} else {
		3647	LOG llevInfo, "[ABT] $msg\n";
		3648	LOG llevInfo, "[ABT] [suppressed]\n";
2516	},	3649	}
2517	);	3650	}
		3651
		3652	# load additional modules
		3653	use cf::pod;
2518		3654
2519	END { cf::emergency_save }	3655	END { cf::emergency_save }
2520		3656
2521	1	3657	1
2522		3658

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