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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.367 by root, Wed Sep 12 11:10:11 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 3.5 ();	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;
87		119
88	sub cf::map::normalise;	120	sub cf::map::normalise;
89		121
…		…
100	=item $cf::RUNTIME	132	=item $cf::RUNTIME
101		133
102	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
103	every server tick.	135	every server tick.
104		136
105	=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
106		140
107	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		145
110	=item $cf::NOW	146	=item $cf::NOW
111		147
112	The time of the last (current) server tick.	148	The time of the last (current) server tick.
113		149
114	=item $cf::TICK	150	=item $cf::TICK
115		151
116	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.
117		163
118	=item %cf::CFG	164	=item %cf::CFG
119		165
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	167	from wherever your confdir points to.
122		168
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		170
125	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
126	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
127	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.
128	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.
129		180
130	=back	181	=back
131		182
132	=cut	183	=cut
133		184
134	BEGIN {	185	BEGIN {
135	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	187	my $msg = join "", @_;
137	utf8::encode $msg;
138		188
139	$msg .= "\n"	189	$msg .= "\n"
140	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		193
142	LOG llevError, $msg;	194	LOG llevError, $msg;
143	};	195	};
144	}	196	}
145		197
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		205
153	# 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
154	# within the Safe compartment.	207	# within the Safe compartment.
155	for my $pkg (qw(	208	for my $pkg (qw(
156	cf::global cf::attachable	209	cf::global cf::attachable
…		…
164	}	217	}
165		218
166	$Event::DIED = sub {	219	$Event::DIED = sub {
167	warn "error in event callback: @_";	220	warn "error in event callback: @_";
168	};	221	};
		222
		223	#############################################################################
169		224
170	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
171		226
172	=over 4	227	=over 4
173		228
…		…
192	$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;
193	$d	248	$d
194	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
195	}	250	}
196		251
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
200		253
201	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
202		255
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
211		257
212	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
213		259
214	=cut	260	=cut
215		261
216	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
218	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
220		266
221	=item cf::lock_wait $string	267	=item cf::lock_wait $string
222		268
223	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
224		270
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
230	returned.	276	returned.
231		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
232	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
233	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
234		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
235	=cut	288	=cut
236		289
237	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
238		292
239	sub lock_wait($) {	293	sub lock_wait($) {
240	my ($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#
241		300
242	# wait for lock, if any	301	# wait for lock, if any
243	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	304	Coro::schedule;
…		…
251		310
252	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
253	lock_wait $key;	312	lock_wait $key;
254		313
255	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
256		316
257	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
260	}	321	}
261	}	322	}
262		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
263	sub freeze_mainloop {	330	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
265		332
266	my $guard = Coro::guard {	333	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	335	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
272	$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;
273	}	394	}
274		395
275	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
276		397
277	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		403
283	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
284		405
285	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
286		407
287	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)
288	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
289	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.
290		412
291	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
292	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
293	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
294	fast or be very important.	416	fast or be very important.
…		…
297		419
298	sub sync_job(&) {	420	sub sync_job(&) {
299	my ($job) = @_;	421	my ($job) = @_;
300		422
301	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
302	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
304		428
305	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
317		441
318	while ($busy) {	442	while ($busy) {
319	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
320	}	444	}
321		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
322	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
323	} else {	454	} else {
324	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
325		456
326	$job->()	457	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
346		477
347	$coro	478	$coro
348	}	479	}
349		480
350	sub write_runtime {	481	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		482
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
354	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.
355		487
356	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		489
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
361	and return;	491	my ($cb, @args) = @_;
362		492
363	aio_fsync $fh	493	# we seemingly have to make a local copy of the whole thing,
364	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
365		496
366	close $fh	497	my @res = Coro::Util::fork_eval {
367	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
368		501
369	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
370	and return;	503	}
371		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
372	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 });
373	}	641	}
374		642
375	=back	643	=back
376		644
377	=cut	645	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
386		654
387	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>
388	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
389	crossfire+).	657	Crossfire TRT).
390		658
391	=over 4	659	=over 4
392		660
393	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
394		662
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
558		826
559	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		831
564	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	833	my $pkg = shift @arg;
566		834
567	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
597	}	865	}
598		866
599	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
600	} else {	868	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	870	}
603		871
604	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
605	}	873	}
606		874
…		…
608	if (ref $_[0]) {	876	if (ref $_[0]) {
609	_object_attach @_;	877	_object_attach @_;
610	} else {	878	} else {
611	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
612	}	880	}
		881	_recalc_want;
613	};	882	};
614		883
615	# all those should be optimised	884	# all those should be optimised
616	sub cf::attachable::detach {	885	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
621	reattach ($obj);	890	reattach ($obj);
622	} else {	891	} else {
623	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
624	}	893	}
		894	_recalc_want;
625	};	895	};
626		896
627	sub cf::attachable::attached {	897	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
629		899
…		…
644	";	914	";
645	die if $@;	915	die if $@;
646	}	916	}
647		917
648	our $override;	918	our $override;
649	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?
650		920
651	sub override {	921	sub override {
652	$override = 1;	922	$override = 1;
653	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
654	}	924	}
655		925
656	sub do_invoke {	926	sub do_invoke {
657	my $event = shift;	927	my $event = shift;
658	my $callbacks = shift;	928	my $callbacks = shift;
659		929
660	@invoke_results = ();	930	@INVOKE_RESULTS = ();
661		931
662	local $override;	932	local $override;
663		933
664	for (@$callbacks) {	934	for (@$callbacks) {
665	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
682		952
683	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
684		954
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		958
689	=back	959	=back
690		960
691	=cut	961	=cut
692		962
693	#############################################################################	963	#############################################################################
694	# 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	}
695		976
696	sub reattach {	977	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	979	my ($obj) = @_;
699		980
…		…
744	);	1025	);
745		1026
746	sub object_freezer_save {	1027	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
748		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
749	sync_job {	1032	sync_job {
750	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
753		1037
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1042	close $fh;
759		1043
760	if (@$objs) {	1044	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1050	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
768	}	1052	}
769	} else {	1053	} else {
770	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
776	}	1060	}
777	} else {	1061	} else {
778	aio_unlink $filename;	1062	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
780	}	1064	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1065	};
		1066
		1067	undef $guard;
788	}	1068	}
789		1069
790	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
792		1072
…		…
798	sub object_thawer_load {	1078	sub object_thawer_load {
799	my ($filename) = @_;	1079	my ($filename) = @_;
800		1080
801	my ($data, $av);	1081	my ($data, $av);
802		1082
803	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1084
806	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
807	or return;	1086	or return;
808		1087
809	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
811	or return;	1090	or return;
		1091
		1092	undef $guard;
812	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1094	}
814		1095
		1096	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
817	return ($data, $av);	1100	($data, $av)
818	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
819		1108
820	#############################################################################	1109	#############################################################################
821	# command handling &c	1110	# command handling &c
822		1111
823	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1126	}
838		1127
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1129
841	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.
842		1135
843	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
844	called.	1137	called.
845		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
846	=cut	1150	=cut
847		1151
848	sub register_extcmd {	1152	sub register_extcmd {
849	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
850		1154
851	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
852	}	1162	}
853		1163
854	cf::player->attach (	1164	cf::player->attach (
855	on_command => sub {	1165	on_command => sub {
856	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1175	cf::override;
866	},	1176	},
867	on_extcmd => sub {	1177	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
869		1179
870	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1181
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
878	} else {	1197	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1199	}
881		1200
882	cf::override;	1201	cf::override;
883	},	1202	},
884	);	1203	);
885		1204
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
921	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1210	next unless -r $path;
923	eval {	1211
924	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;
925	1	1269	}
926	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
927	}	1275	};
928	}	1276	}
929		1277
930	#############################################################################	1278	#############################################################################
931		1279
		1280	=back
		1281
932	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
933		1283
934	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
935		1285
936	=cut	1286	=cut
…		…
941		1291
942	=head3 cf::player	1292	=head3 cf::player
943		1293
944	=over 4	1294	=over 4
945		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
946	=item cf::player::find $login	1310	=item cf::player::find $login
947		1311
948	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
949		1313
950	=cut	1314	=cut
951		1315
952	sub playerdir($) {	1316	sub playerdir($) {
953	cf::localdir	1317	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1319	}
959		1320
960	sub path($) {	1321	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1323
963	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
964	}	1325	}
965		1326
966	sub find_active($) {	1327	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1342	my $login = $_[0];
982		1343
983	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
984		1345
985	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
989	}	1363	}
990	}	1364	}
991	}	1365	}
992		1366
…		…
1002		1376
1003	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1005		1379
1006	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1007	Coro::cede;	1381	cf::cede_to_tick;
1008	}	1382	}
1009		1383
1010	sub new($) {	1384	sub new($) {
1011	my ($login) = @_;	1385	my ($login) = @_;
1012		1386
…		…
1018	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1019		1393
1020	$self	1394	$self
1021	}	1395	}
1022		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
1023	=item $pl->quit_character	1407	=item $pl->quit_character
1024		1408
1025	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
1026	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1027		1411
1028	=cut	1412	=cut
1029		1413
1030	sub quit_character {	1414	sub quit_character {
1031	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1032		1418
1033	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1034	$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
1035		1421
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1453	}
1048		1454
1049	=item cf::player::list_logins	1455	=item cf::player::list_logins
1050		1456
1051	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
1052	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1053		1459
1054	=cut	1460	=cut
1055		1461
1056	sub list_logins {	1462	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1464	or return [];
1059		1465
1060	my @logins;	1466	my @logins;
1061		1467
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1066		1477
1067	utf8::decode $login;	1478	utf8::decode $login;
1068	push @logins, $login;	1479	push @logins, $login;
1069	}	1480	}
1070		1481
…		…
1097	}	1508	}
1098		1509
1099	\@paths	1510	\@paths
1100	}	1511	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1103		1565
1104	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1105		1567
1106	=cut	1568	=cut
1107		1569
1108	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1110		1572
1111	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1574	}
1115		1575
1116	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1117		1616
1118	=back	1617	=back
1119
1120		1618
1121	=head3 cf::map	1619	=head3 cf::map
1122		1620
1123	=over 4	1621	=over 4
1124		1622
…		…
1179	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1180		1678
1181	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1182	local $self->{path};	1680	local $self->{path};
1183	local $self->{load_path};	1681	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1682
1187	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1188	}	1684	}
1189		1685
1190	sub normalise {	1686	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1238	return $self;	1734	return $self;
1239	}	1735	}
1240	}	1736	}
1241		1737
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1739	()
1244	}	1740	}
1245		1741
1246	sub init {	1742	sub init {
1247	my ($self) = @_;	1743	my ($self) = @_;
…		…
1262		1758
1263	# the original (read-only) location	1759	# the original (read-only) location
1264	sub load_path {	1760	sub load_path {
1265	my ($self) = @_;	1761	my ($self) = @_;
1266		1762
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1268	}	1764	}
1269		1765
1270	# the temporary/swap location	1766	# the temporary/swap location
1271	sub save_path {	1767	sub save_path {
1272	my ($self) = @_;	1768	my ($self) = @_;
1273		1769
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1276	}	1772	}
1277		1773
1278	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1279	sub uniq_path {	1775	sub uniq_path {
1280	my ($self) = @_;	1776	my ($self) = @_;
1281		1777
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1284	}	1780	}
1285		1781
1286	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1287	# all maps in C++...	1783	# all maps in C++...
1288	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1290		1786
1291	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1293	}	1789	}
1294		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1295	sub unlink_save {	1799	sub unlink_save {
1296	my ($self) = @_;	1800	my ($self) = @_;
1297		1801
1298	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1805	}
1307		1806
1308	sub load_header_from($) {	1807	sub load_header_from($) {
1309	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1310		1809
1311	utf8::encode $path;	1810	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1317		1819
1318	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1319		1821
1320	1	1822	1
1321	}	1823	}
…		…
1360	$self->load_header_orig	1862	$self->load_header_orig
1361	or return;	1863	or return;
1362	$self->prepare_orig;	1864	$self->prepare_orig;
1363	}	1865	}
1364		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 $self->default_region;
		1872
1365	1	1873	1
1366	}	1874	}
1367		1875
1368	sub find;	1876	sub find;
1369	sub find {	1877	sub find {
1370	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1371		1879
1372	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1373		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1375		1884
1376	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1377	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
1378	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1379	or return;	1890	or return;
1380		1891
1381	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1382		1893
1383	$map->load_header	1894	$map->load_header
1384	or return;	1895	or return;
1385		1896
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1389	$map->reset;	1902	$map->reset;
1390	undef $guard;
1391	return find $path;	1903	return find $path;
1392	}	1904	}
1393		1905
1394	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1395	}	1907	}
…		…
1402	my ($self) = @_;	1914	my ($self) = @_;
1403		1915
1404	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1405		1917
1406	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1408		1922
		1923	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		1925
1411	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1412		1927
1413	$self->alloc;	1928	$self->alloc;
1414		1929
1415	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1416		1932
1417	$self->_load_objects ($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)
1418	or return;	1936	or return;
1419		1937
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	1939	if delete $self->{load_original};
1422		1940
1423	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	1942	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	1945	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1428	}	1949	}
1429	}	1950	}
1430		1951
1431	Coro::cede;	1952	$f->resolve_delayed_derefs;
1432		1953
		1954	cf::cede_to_tick;
1433	# now do the right thing for maps	1955	# now do the right thing for maps
1434	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1958	unless $self->difficulty;
1444	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1445	$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);
1446	}	1975	}
1447		1976
1448	$self->post_load;	1977	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1978	}
1452		1979
1453	sub customise_for {	1980	sub customise_for {
1454	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1455		1982
1456	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1984	if $self->per_player;
1458		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1459	$self	1989	$self
1460	}	1990	}
1461		1991
1462	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	1993	sub load_neighbours {
1464	my ($map) = @_;	1994	my ($map) = @_;
1465		1995
1466	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1467		1997
1468	for (0 .. 3) {	1998	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1470	or next;	2000	or next;
1471	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1472	or next;	2002	or next;
1473	$neigh->load;	2003	$neigh->load;
1474		2004
		2005	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2008	}
1478		2009
1479	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1481	or next;	2013	or next;
1482	$neigh->load;	2014	$neigh->load;
1483	}	2015	}
1484	}	2016	}
1485		2017
…		…
1490	}	2022	}
1491		2023
1492	sub do_load_sync {	2024	sub do_load_sync {
1493	my ($map) = @_;	2025	my ($map) = @_;
1494		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1495	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1496	}	2031	}
1497		2032
1498	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1500		2035
1501	sub find_async {	2036	sub find_async {
1502	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1503		2038
1504	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1505		2040
1506	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	2043	}
1509		2044
1510	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1511	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1512	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2050	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2051	$map->load if $v;
		2052	}
1517		2053
1518	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1519	}	2055	}
1520	}	2056	}
1521	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1522	};	2058	};
1523	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2062	}
1527		2063
1528	sub save {	2064	sub save {
1529	my ($self) = @_;	2065	my ($self) = @_;
1530		2066
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2068
1533	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1534		2070
1535	return unless $self->dirty;	2071	return unless $self->dirty;
1536		2072
…		…
1559	my ($self) = @_;	2095	my ($self) = @_;
1560		2096
1561	# save first because save cedes	2097	# save first because save cedes
1562	$self->save;	2098	$self->save;
1563		2099
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2101
1566	return if $self->players;	2102	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};	2104	return if $self->{deny_save};
1569		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2110	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2111	}
1573		2112
1574	sub reset_at {	2113	sub reset_at {
1575	my ($self) = @_;	2114	my ($self) = @_;
1576		2115
1577	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1580		2118
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2121
…		…
1594	my ($self) = @_;	2132	my ($self) = @_;
1595		2133
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2135
1598	return if $self->players;	2136	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2137
1601	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	}
1602		2149
1603	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1604		2151
1605	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2154	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2155
1610	$self->unlink_save;	2156	$self->unlink_save;
1611	$self->destroy;	2157	$self->destroy;
1612	}	2158	}
1613		2159
1614	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1615		2161
1616	sub nuke {	2162	sub nuke {
1617	my ($self) = @_;	2163	my ($self) = @_;
1618		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1619	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1620		2169
1621	$self->unlink_save;	2170	$self->unlink_save;
1622		2171
1623	bless $self, "cf::map";	2172	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2177
1629	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1630		2180
1631	$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	]
1632	}	2218	}
1633		2219
1634	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1635		2221
1636	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2223	instantiated unique items. May block.
1638		2224
1639	=cut	2225	=cut
1640		2226
1641	sub unique_maps() {	2227	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1643	or return;	2229	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2230	utf8::decode $_;
1649	next if /\.pst$/;	2231	/\.map$/
1650	next unless /^$PATH_SEP/o;	2232	? normalise $_
1651		2233	: ()
1652	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2235	]
1654
1655	\@paths
1656	}	2236	}
1657		2237
1658	package cf;	2238	package cf;
1659		2239
1660	=back	2240	=back
…		…
1678	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1679	}	2259	}
1680		2260
1681	sub inv_recursive {	2261	sub inv_recursive {
1682	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	}
1683	}	2294	}
1684		2295
1685	package cf;	2296	package cf;
1686		2297
1687	=back	2298	=back
…		…
1706		2317
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2319
1709	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1714	}	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 (@_);
1715	}	2345	}
1716		2346
1717	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1718		2348
1719	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1767		2397
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2399
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1772		2402
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2404	}
1775		2405
1776	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1778		2410
1779	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1780		2412
1781	unless ($map) {	2413	unless ($map) {
1782	# restore original map position	2414	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1799		2431
1800	$map->load;	2432	$map->load;
1801	$map->load_diag;	2433	$map->load_neighbours;
1802		2434
1803	return unless $self->contr->active;	2435	return unless $self->contr->active;
1804	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1806	}	2440	}
1807		2441
1808	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2443
1812	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1816	};	2448	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2449
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1843		2453
1844	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1845	my ($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;
1846		2459
1847	$self->enter_link;	2460	$self->enter_link;
1848		2461
1849	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	# todo: use ob_blocked to check all tiles of the destination "object"
		2470	# for suitability.
		2471
		2472	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2473	}
		2474	}
		2475
1850	my $map = eval {	2476	my $map = eval {
1851	my $map = cf::map::find $path;	2477	my $map = cf::map::find $path;
		2478
		2479	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2480	$map = $map->customise_for ($self);
		2481	$map = $check->($map) if $check && $map;
		2482	} else {
		2483	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2484	}
		2485
1853	$map	2486	$map
		2487	};
		2488
		2489	if ($@) {
		2490	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2492	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2493
		2494	if ($gen == $self->{_goto_generation}) {
		2495	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2496	$self->leave_link ($map, $x, $y);
		2497	}
		2498
		2499	$done->() if $done;
1858	})->prio (1);	2500	})->prio (1);
1859	}	2501	}
1860		2502
1861	=item $player_object->enter_exit ($exit_object)	2503	=item $player_object->enter_exit ($exit_object)
1862		2504
…		…
1901		2543
1902	$rmp->{random_seed} ||= $exit->random_seed;	2544	$rmp->{random_seed} ||= $exit->random_seed;
1903		2545
1904	my $data = cf::to_json $rmp;	2546	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2547	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2548	my $meta = "$RANDOMDIR/$md5.meta";
1907		2549
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2550	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2551	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2552	undef $fh;
1911	aio_rename "$meta~", $meta;	2553	aio_rename "$meta~", $meta;
…		…
1920		2562
1921	return unless $self->type == cf::PLAYER;	2563	return unless $self->type == cf::PLAYER;
1922		2564
1923	if ($exit->slaying eq "/!") {	2565	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2566	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2567	# the problem is that $exit might not survive long enough
		2568	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2569	cf::sync_job { prepare_random_map $exit };
1926	}	2570	}
1927		2571
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2572	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2573	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2574	my $sp = $exit->stats->sp;
1931		2575
1932	$self->enter_link;	2576	$self->enter_link;
		2577
		2578	# if exit is damned, update players death & WoR home-position
		2579	$self->contr->savebed ($slaying, $hp, $sp)
		2580	if $exit->flag (FLAG_DAMNED);
1933		2581
1934	(async {	2582	(async {
1935	$self->deactivate_recursive; # just to be sure	2583	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2584	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2585	$self->goto ($slaying, $hp, $sp);
1938		2586
1939	1;	2587	1;
1940	}) {	2588	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2589	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2590	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2591	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2592	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2593
1946	warn "ERROR in enter_exit: $@";	2594	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2595	$self->leave_link;
1948	}	2596	}
1949	})->prio (1);	2597	})->prio (1);
…		…
1962		2610
1963	sub cf::client::send_drawinfo {	2611	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2612	my ($self, $text, $flags) = @_;
1965		2613
1966	utf8::encode $text;	2614	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2615	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2616	}
1969		2617
		2618	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2619
		2620	Send a drawinfo or msg packet to the client, formatting the msg for the
		2621	client if neccessary. C<$type> should be a string identifying the type of
		2622	the message, with C<log> being the default. If C<$color> is negative, suppress
		2623	the message unless the client supports the msg packet.
		2624
		2625	=cut
		2626
		2627	our %CHANNEL = (
		2628	"c/identify" => {
		2629	id => "identify",
		2630	title => "Identify",
		2631	reply => undef,
		2632	tooltip => "Items recently identified",
		2633	},
		2634	"c/examine" => {
		2635	id => "examine",
		2636	title => "Examine",
		2637	reply => undef,
		2638	tooltip => "Signs and other items you examined",
		2639	},
		2640	);
		2641
		2642	sub cf::client::send_msg {
		2643	my ($self, $channel, $msg, $color, @extra) = @_;
		2644
		2645	$msg = $self->pl->expand_cfpod ($msg);
		2646
		2647	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2648
		2649	# check predefined channels, for the benefit of C
		2650	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2651
		2652	if (ref $channel) {
		2653	# send meta info to client, if not yet sent
		2654	unless (exists $self->{channel}{$channel->{id}}) {
		2655	$self->{channel}{$channel->{id}} = $channel;
		2656	$self->ext_msg (channel_info => $channel)
		2657	if $self->can_msg;
		2658	}
		2659
		2660	$channel = $channel->{id};
		2661	}
		2662
		2663	return unless @extra || length $msg;
		2664
		2665	if ($self->can_msg) {
		2666	# default colour, mask it out
		2667	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2668	if $color & cf::NDI_DEF;
		2669
		2670	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2671	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2672	} else {
		2673	if ($color >= 0) {
		2674	# replace some tags by gcfclient-compatible ones
		2675	for ($msg) {
		2676	1 while
		2677	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2678	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2679	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2680	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2681	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2682	}
		2683
		2684	$color &= cf::NDI_COLOR_MASK;
		2685
		2686	utf8::encode $msg;
		2687
		2688	if (0 && $msg =~ /\[/) {
		2689	# COMMAND/INFO
		2690	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2691	} else {
		2692	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2693	$self->send_packet ("drawinfo $color $msg")
		2694	}
		2695	}
		2696	}
		2697	}
		2698
		2699	=item $client->ext_msg ($type, @msg)
		2700
		2701	Sends an ext event to the client.
		2702
		2703	=cut
		2704
		2705	sub cf::client::ext_msg($$@) {
		2706	my ($self, $type, @msg) = @_;
		2707
		2708	if ($self->extcmd == 2) {
		2709	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2710	} elsif ($self->extcmd == 1) { # TODO: remove
		2711	push @msg, msgtype => "event_$type";
		2712	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2713	}
		2714	}
		2715
		2716	=item $client->ext_reply ($msgid, @msg)
		2717
		2718	Sends an ext reply to the client.
		2719
		2720	=cut
		2721
		2722	sub cf::client::ext_reply($$@) {
		2723	my ($self, $id, @msg) = @_;
		2724
		2725	if ($self->extcmd == 2) {
		2726	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2727	} elsif ($self->extcmd == 1) {
		2728	#TODO: version 1, remove
		2729	unshift @msg, msgtype => "reply", msgid => $id;
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
1970		2733
1971	=item $success = $client->query ($flags, "text", \&cb)	2734	=item $success = $client->query ($flags, "text", \&cb)
1972		2735
1973	Queues a query to the client, calling the given callback with	2736	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2737	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2738	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2739
1977	Queries can fail, so check the return code. Or don't, as queries will become	2740	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2741	become reliable at some point in the future.
1979		2742
1980	=cut	2743	=cut
1981		2744
1982	sub cf::client::query {	2745	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2746	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2754	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2755	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2756
1994	$self->send_packet ($self->{query_queue}[0][0])	2757	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2758	if @{ $self->{query_queue} } == 1;
		2759
		2760	1
1996	}	2761	}
1997		2762
1998	cf::client->attach (	2763	cf::client->attach (
		2764	on_connect => sub {
		2765	my ($ns) = @_;
		2766
		2767	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2768	},
1999	on_reply => sub {	2769	on_reply => sub {
2000	my ($ns, $msg) = @_;	2770	my ($ns, $msg) = @_;
2001		2771
2002	# this weird shuffling is so that direct followup queries	2772	# this weird shuffling is so that direct followup queries
2003	# get handled first	2773	# get handled first
2004	my $queue = delete $ns->{query_queue}	2774	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2775	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2776
2007	(shift @$queue)->[1]->($msg);	2777	(shift @$queue)->[1]->($msg);
		2778	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2779
2009	push @{ $ns->{query_queue} }, @$queue;	2780	push @{ $ns->{query_queue} }, @$queue;
2010		2781
2011	if (@{ $ns->{query_queue} } == @$queue) {	2782	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2783	if (@$queue) {
…		…
2014	} else {	2785	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2786	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2787	}
2017	}	2788	}
2018	},	2789	},
		2790	on_exticmd => sub {
		2791	my ($ns, $buf) = @_;
		2792
		2793	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2794
		2795	if (ref $msg) {
		2796	my ($type, $reply, @payload) =
		2797	"ARRAY" eq ref $msg
		2798	? @$msg
		2799	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2800
		2801	my @reply;
		2802
		2803	if (my $cb = $EXTICMD{$type}) {
		2804	@reply = $cb->($ns, @payload);
		2805	}
		2806
		2807	$ns->ext_reply ($reply, @reply)
		2808	if $reply;
		2809
		2810	} else {
		2811	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2812	}
		2813
		2814	cf::override;
		2815	},
2019	);	2816	);
2020		2817
2021	=item $client->async (\&cb)	2818	=item $client->async (\&cb)
2022		2819
2023	Create a new coroutine, running the specified callback. The coroutine will	2820	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	2861	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	2862	our $safe_hole = new Safe::Hole;
2066		2863
2067	$SIG{FPE} = 'IGNORE';	2864	$SIG{FPE} = 'IGNORE';
2068		2865
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2866	$safe->permit_only (Opcode::opset qw(
		2867	:base_core :base_mem :base_orig :base_math
		2868	grepstart grepwhile mapstart mapwhile
		2869	sort time
		2870	));
2070		2871
2071	# here we export the classes and methods available to script code	2872	# here we export the classes and methods available to script code
2072		2873
2073	=pod	2874	=pod
2074		2875
2075	The following fucntions and emthods are available within a safe environment:	2876	The following functions and methods are available within a safe environment:
2076		2877
2077	cf::object contr pay_amount pay_player map	2878	cf::object
		2879	contr pay_amount pay_player map x y force_find force_add
		2880	insert remove name archname title slaying race decrease_ob_nr
		2881
2078	cf::object::player player	2882	cf::object::player
2079	cf::player peaceful	2883	player
2080	cf::map trigger	2884
		2885	cf::player
		2886	peaceful
		2887
		2888	cf::map
		2889	trigger
2081		2890
2082	=cut	2891	=cut
2083		2892
2084	for (	2893	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	2894	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2895	insert remove inv name archname title slaying race
		2896	decrease_ob_nr)],
2086	["cf::object::player" => qw(player)],	2897	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	2898	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	2899	["cf::map" => qw(trigger)],
2089	) {	2900	) {
2090	no strict 'refs';	2901	no strict 'refs';
…		…
2161	=back	2972	=back
2162		2973
2163	=cut	2974	=cut
2164		2975
2165	#############################################################################	2976	#############################################################################
		2977	# the server's init and main functions
2166		2978
2167	=head2 EXTENSION DATABASE SUPPORT	2979	sub load_facedata($) {
		2980	my ($path) = @_;
2168		2981
2169	Crossfire maintains a very simple database for extension use. It can	2982	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	2983	# for this (global event?)
2171	excludes objects.	2984	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		2985
2173	The parameter C<$family> should best start with the name of the extension	2986	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		2987
2176	=over 4	2988	warn "loading facedata from $path\n";
2177		2989
2178	=item $hashref = cf::db_get $family	2990	my $facedata;
		2991	0 < aio_load $path, $facedata
		2992	or die "$path: $!";
2179		2993
2180	Return a hashref for use by the extension C<$family>, which can be	2994	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		2995
2184	=item $value = cf::db_get $family => $key	2996	$facedata->{version} == 2
		2997	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		2998
2186	Returns a single value from the database	2999	# patch in the exptable
2187		3000	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3001	type => FT_RSRC,
2189		3002	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3003	};
		3004	cf::cede_to_tick;
2216		3005
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3006	{
		3007	my $faces = $facedata->{faceinfo};
2228		3008
2229	my $dirty;	3009	while (my ($face, $info) = each %$faces) {
		3010	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3011	cf::face::set_visibility $idx, $info->{visibility};
		3012	cf::face::set_magicmap $idx, $info->{magicmap};
		3013	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3014	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2230		3015
2231	sub db_sync() {	3016	cf::cede_to_tick;
2232	db_save if $dirty;
2233	undef $dirty;
2234	}
2235
2236	my $idle = Event->idle (
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3017	}
2270	);
2271	}
2272		3018
2273	#############################################################################	3019	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3020	next unless $info->{smooth};
		3021	my $idx = cf::face::find $face
		3022	or next;
		3023	if (my $smooth = cf::face::find $info->{smooth}) {
		3024	cf::face::set_smooth $idx, $smooth;
		3025	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3026	} else {
		3027	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3028	}
2275		3029
2276	sub cfg_load {	3030	cf::cede_to_tick;
		3031	}
		3032	}
		3033
		3034	{
		3035	my $anims = $facedata->{animinfo};
		3036
		3037	while (my ($anim, $info) = each %$anims) {
		3038	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3039	cf::cede_to_tick;
		3040	}
		3041
		3042	cf::anim::invalidate_all; # d'oh
		3043	}
		3044
		3045	{
		3046	# TODO: for gcfclient pleasure, we should give resources
		3047	# that gcfclient doesn't grok a >10000 face index.
		3048	my $res = $facedata->{resource};
		3049
		3050	my $soundconf = delete $res->{"res/sound.conf"};
		3051
		3052	while (my ($name, $info) = each %$res) {
		3053	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3054	my $data;
		3055
		3056	if ($info->{type} & 1) {
		3057	# prepend meta info
		3058
		3059	my $meta = $enc->encode ({
		3060	name => $name,
		3061	%{ $info->{meta} || {} },
		3062	});
		3063
		3064	$data = pack "(w/a*)*", $meta, $info->{data};
		3065	} else {
		3066	$data = $info->{data};
		3067	}
		3068
		3069	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3070	cf::face::set_type $idx, $info->{type};
		3071
		3072	cf::cede_to_tick;
		3073	}
		3074
		3075	if ($soundconf) {
		3076	$soundconf = $enc->decode (delete $soundconf->{data});
		3077
		3078	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3079	my $sound = $soundconf->{compat}[$_]
		3080	or next;
		3081
		3082	my $face = cf::face::find "sound/$sound->[1]";
		3083	cf::sound::set $sound->[0] => $face;
		3084	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3085	}
		3086
		3087	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3088	my $face = cf::face::find "sound/$v";
		3089	cf::sound::set $k => $face;
		3090	}
		3091	}
		3092	}
		3093
		3094	1
		3095	}
		3096
		3097	register_exticmd fx_want => sub {
		3098	my ($ns, $want) = @_;
		3099
		3100	while (my ($k, $v) = each %$want) {
		3101	$ns->fx_want ($k, $v);
		3102	}
		3103	};
		3104
		3105	sub reload_regions {
		3106	# HACK to clear player env face cache, we need some signal framework
		3107	# for this (global event?)
		3108	%ext::player_env::MUSIC_FACE_CACHE = ();
		3109
		3110	load_resource_file "$MAPDIR/regions"
		3111	or die "unable to load regions file\n";
		3112
		3113	for (cf::region::list) {
		3114	$_->{match} = qr/$_->{match}/
		3115	if exists $_->{match};
		3116	}
		3117	}
		3118
		3119	sub reload_facedata {
		3120	load_facedata "$DATADIR/facedata"
		3121	or die "unable to load facedata\n";
		3122	}
		3123
		3124	sub reload_archetypes {
		3125	load_resource_file "$DATADIR/archetypes"
		3126	or die "unable to load archetypes\n";
		3127	#d# NEED to laod twice to resolve forward references
		3128	# this really needs to be done in an extra post-pass
		3129	# (which needs to be synchronous, so solve it differently)
		3130	load_resource_file "$DATADIR/archetypes"
		3131	or die "unable to load archetypes\n";
		3132	}
		3133
		3134	sub reload_treasures {
		3135	load_resource_file "$DATADIR/treasures"
		3136	or die "unable to load treasurelists\n";
		3137	}
		3138
		3139	sub reload_resources {
		3140	warn "reloading resource files...\n";
		3141
		3142	reload_regions;
		3143	reload_facedata;
		3144	#reload_archetypes;#d#
		3145	reload_archetypes;
		3146	reload_treasures;
		3147
		3148	warn "finished reloading resource files\n";
		3149	}
		3150
		3151	sub init {
		3152	reload_resources;
		3153	}
		3154
		3155	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3156	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3157	or return;
2279		3158
2280	local $/;	3159	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3160	*CFG = YAML::Syck::Load <$fh>;
2282		3161
…		…
2301	(async {	3180	(async {
2302	Event::one_event;	3181	Event::one_event;
2303	})->prio (Coro::PRIO_MAX);	3182	})->prio (Coro::PRIO_MAX);
2304	};	3183	};
2305		3184
2306	cfg_load;	3185	reload_config;
2307	db_load;	3186	db_init;
2308	load_extensions;	3187	load_extensions;
2309		3188
2310	$TICK_WATCHER->start;	3189	$TICK_WATCHER->start;
2311	Event::loop;	3190	Event::loop;
2312	}	3191	}
…		…
2327	},	3206	},
2328	);	3207	);
2329	}	3208	}
2330	}	3209	}
2331		3210
		3211	sub write_runtime {
		3212	my $runtime = "$LOCALDIR/runtime";
		3213
		3214	# first touch the runtime file to show we are still running:
		3215	# the fsync below can take a very very long time.
		3216
		3217	IO::AIO::aio_utime $runtime, undef, undef;
		3218
		3219	my $guard = cf::lock_acquire "write_runtime";
		3220
		3221	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3222	or return;
		3223
		3224	my $value = $cf::RUNTIME + 90 + 10;
		3225	# 10 is the runtime save interval, for a monotonic clock
		3226	# 60 allows for the watchdog to kill the server.
		3227
		3228	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3229	and return;
		3230
		3231	# always fsync - this file is important
		3232	aio_fsync $fh
		3233	and return;
		3234
		3235	# touch it again to show we are up-to-date
		3236	aio_utime $fh, undef, undef;
		3237
		3238	close $fh
		3239	or return;
		3240
		3241	aio_rename "$runtime~", $runtime
		3242	and return;
		3243
		3244	warn "runtime file written.\n";
		3245
		3246	1
		3247	}
		3248
2332	sub emergency_save() {	3249	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3250	my $freeze_guard = cf::freeze_mainloop;
2334		3251
2335	warn "enter emergency perl save\n";	3252	warn "enter emergency perl save\n";
2336		3253
…		…
2351	my $map = $cf::MAP{$path} or next;	3268	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3269	$map->valid or next;
2353	$map->save;	3270	$map->save;
2354	}	3271	}
2355	warn "end emergency map save\n";	3272	warn "end emergency map save\n";
		3273
		3274	warn "begin emergency database checkpoint\n";
		3275	BDB::db_env_txn_checkpoint $DB_ENV;
		3276	warn "end emergency database checkpoint\n";
2356	};	3277	};
2357		3278
2358	warn "leave emergency perl save\n";	3279	warn "leave emergency perl save\n";
2359	}	3280	}
2360		3281
		3282	sub post_cleanup {
		3283	my ($make_core) = @_;
		3284
		3285	warn Carp::longmess "post_cleanup backtrace"
		3286	if $make_core;
		3287	}
		3288
2361	sub reload() {	3289	sub do_reload_perl() {
2362	# can/must only be called in main	3290	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3291	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3292	warn "can only reload from main coroutine";
2365	return;	3293	return;
2366	}	3294	}
2367		3295
2368	warn "reloading...";	3296	warn "reloading...";
2369		3297
2370	warn "cancelling server ticker";	3298	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3299
		3300	cf::sync_job {
		3301	cf::write_runtime; # external watchdog should not bark
2373	cf::emergency_save;	3302	cf::emergency_save;
		3303	cf::write_runtime; # external watchdog should not bark
2374		3304
2375	eval {	3305	warn "syncing database to disk";
		3306	BDB::db_env_txn_checkpoint $DB_ENV;
		3307
2376	# if anything goes wrong in here, we should simply crash as we already saved	3308	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380		3309
2381	warn "cancelling all WF_AUTOCANCEL watchers";	3310	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {	3311	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;	3312	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}	3313	}
2385		3314
2386	warn "flushing outstanding aio requests";	3315	warn "flushing outstanding aio requests";
2387	for (;;) {	3316	for (;;) {
		3317	BDB::flush;
2388	IO::AIO::flush;	3318	IO::AIO::flush;
2389	Coro::cede;	3319	Coro::cede;
2390	last unless IO::AIO::nreqs;	3320	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	3321	warn "iterate...";
2392	}	3322	}
		3323
		3324	++$RELOAD;
2393		3325
2394	warn "cancelling all extension coros";	3326	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3327	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3328	%EXT_CORO = ();
2397		3329
2398	warn "removing commands";	3330	warn "removing commands";
2399	%COMMAND = ();	3331	%COMMAND = ();
2400		3332
2401	warn "removing ext commands";	3333	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3334	%EXTCMD = ();
		3335	%EXTICMD = ();
2403		3336
2404	warn "unloading/nuking all extensions";	3337	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3338	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3339	warn "... unloading $pkg";
2407		3340
…		…
2437	Symbol::delete_package "safe::$_"	3370	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3371	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3372
2440	warn "unloading cf.pm \"a bit\"";	3373	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3374	delete $INC{"cf.pm"};
		3375	delete $INC{"cf/pod.pm"};
2442		3376
2443	# don't, removes xs symbols, too,	3377	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3378	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3379	#Symbol::delete_package __PACKAGE__;
2446		3380
…		…
2449	warn "reloading cf.pm";	3383	warn "reloading cf.pm";
2450	require cf;	3384	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3385	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3386
2453	warn "loading config and database again";	3387	warn "loading config and database again";
2454	cf::cfg_load;	3388	cf::reload_config;
2455	cf::db_load;
2456		3389
2457	warn "loading extensions";	3390	warn "loading extensions";
2458	cf::load_extensions;	3391	cf::load_extensions;
2459		3392
2460	warn "reattaching attachments to objects/players";	3393	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3394	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3395	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3396	reattach $_ for values %MAP;
		3397	warn "reattaching attachments to players";
		3398	reattach $_ for values %PLAYER;
2464		3399
2465	warn "restarting server ticker";	3400	warn "leaving sync_job";
2466		3401
2467	$TICK_WATCHER->start;	3402	1
2468	};	3403	} or do {
2469
2470	if ($@) {
2471	warn $@;	3404	warn $@;
2472	warn "error while reloading, exiting.";	3405	warn "error while reloading, exiting.";
2473	exit 1;	3406	exit 1;
2474	}	3407	};
2475		3408
2476	warn "reloaded";	3409	warn "reloaded";
2477	};	3410	};
2478		3411
2479	our $RELOAD_WATCHER; # used only during reload	3412	our $RELOAD_WATCHER; # used only during reload
2480		3413
		3414	sub reload_perl() {
		3415	# doing reload synchronously and two reloads happen back-to-back,
		3416	# coro crashes during coro_state_free->destroy here.
		3417
		3418	$RELOAD_WATCHER ||= Event->timer (
		3419	reentrant => 0,
		3420	after => 0,
		3421	data => WF_AUTOCANCEL,
		3422	cb => sub {
		3423	do_reload_perl;
		3424	undef $RELOAD_WATCHER;
		3425	},
		3426	);
		3427	}
		3428
2481	register_command "reload" => sub {	3429	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3430	my ($who, $arg) = @_;
2483		3431
2484	if ($who->flag (FLAG_WIZ)) {	3432	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3433	$who->message ("reloading server.");
2486		3434	async { reload_perl };
2487	# doing reload synchronously and two reloads happen back-to-back,
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);
2499	}	3435	}
2500	};	3436	};
2501		3437
2502	unshift @INC, $LIBDIR;	3438	unshift @INC, $LIBDIR;
2503		3439
2504	my $bug_warning = 0;	3440	my $bug_warning = 0;
		3441
		3442	our @WAIT_FOR_TICK;
		3443	our @WAIT_FOR_TICK_BEGIN;
		3444
		3445	sub wait_for_tick {
		3446	return unless $TICK_WATCHER->is_active;
		3447	return if $Coro::current == $Coro::main;
		3448
		3449	my $signal = new Coro::Signal;
		3450	push @WAIT_FOR_TICK, $signal;
		3451	$signal->wait;
		3452	}
		3453
		3454	sub wait_for_tick_begin {
		3455	return unless $TICK_WATCHER->is_active;
		3456	return if $Coro::current == $Coro::main;
		3457
		3458	my $signal = new Coro::Signal;
		3459	push @WAIT_FOR_TICK_BEGIN, $signal;
		3460	$signal->wait;
		3461	}
		3462
		3463	our $stat_fh;
		3464	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2505		3465
2506	$TICK_WATCHER = Event->timer (	3466	$TICK_WATCHER = Event->timer (
2507	reentrant => 0,	3467	reentrant => 0,
2508	parked => 1,	3468	parked => 1,
2509	prio => 0,	3469	prio => 0,
…		…
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3474	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3475	unless ++$bug_warning > 10;
2516	return;	3476	return;
2517	}	3477	}
2518		3478
		3479	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3480
2519	$NOW = Event::time;	3481	$NOW = $tick_start = Event::time;
2520		3482
2521	cf::server_tick; # one server iteration	3483	cf::server_tick; # one server iteration
		3484
2522	$RUNTIME += $TICK;	3485	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;	3486	$NEXT_TICK += $TICK;
2524		3487
2525	$WAIT_FOR_TICK->broadcast;	3488	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3489	$NEXT_RUNTIME_WRITE = $NOW + 10;
2527		3490	Coro::async_pool {
2528	Event::sweep;	3491	write_runtime
2529	Coro::cede_notself;	3492	or warn "ERROR: unable to write runtime file: $!";
		3493	};
2530		3494	}
		3495
2531	# my $AFTER = Event::time;	3496	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3497	# warn $AFTER - $NOW;#d#
2533		3498
		3499	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3500	$sig->send;
		3501	}
		3502	while (my $sig = shift @WAIT_FOR_TICK) {
		3503	$sig->send;
		3504	}
		3505
		3506	$NOW = Event::time;
		3507
2534	# if we are delayed by four ticks or more, skip them all	3508	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3509	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3510
2537	$TICK_WATCHER->at ($NEXT_TICK);	3511	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3512	$TICK_WATCHER->start;
		3513
		3514	$LOAD = ($NOW - $tick_start) / $TICK;
		3515	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3516
		3517	_post_tick;
		3518
		3519	# gather some statistics#d#
		3520	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3521	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2539	},	3522	},
2540	);	3523	);
2541		3524
		3525	{
		3526	BDB::min_parallel 8;
		3527	BDB::max_poll_time $TICK * 0.1;
		3528	$BDB_POLL_WATCHER = Event->io (
		3529	reentrant => 0,
		3530	fd => BDB::poll_fileno,
		3531	poll => 'r',
		3532	prio => 0,
		3533	data => WF_AUTOCANCEL,
		3534	cb => \&BDB::poll_cb,
		3535	);
		3536
		3537	BDB::set_sync_prepare {
		3538	my $status;
		3539	my $current = $Coro::current;
		3540	(
		3541	sub {
		3542	$status = $!;
		3543	$current->ready; undef $current;
		3544	},
		3545	sub {
		3546	Coro::schedule while defined $current;
		3547	$! = $status;
		3548	},
		3549	)
		3550	};
		3551
		3552	unless ($DB_ENV) {
		3553	$DB_ENV = BDB::db_env_create;
		3554
		3555	cf::sync_job {
		3556	eval {
		3557	BDB::db_env_open
		3558	$DB_ENV,
		3559	$BDBDIR,
		3560	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3561	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3562	0666;
		3563
		3564	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3565
		3566	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3567	| BDB::LOG_AUTOREMOVE, 1);
		3568	$DB_ENV->set_lk_detect;
		3569	};
		3570
		3571	cf::cleanup "db_env_open(db): $@" if $@;
		3572	};
		3573	}
		3574
		3575	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3576	after => 11,
		3577	interval => 60,
		3578	hard => 1,
		3579	prio => 0,
		3580	data => WF_AUTOCANCEL,
		3581	cb => sub {
		3582	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3583	},
		3584	);
		3585	$BDB_TRICKLE_WATCHER = Event->timer (
		3586	after => 5,
		3587	interval => 10,
		3588	hard => 1,
		3589	prio => 0,
		3590	data => WF_AUTOCANCEL,
		3591	cb => sub {
		3592	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3593	},
		3594	);
		3595	}
		3596
		3597	{
		3598	IO::AIO::min_parallel 8;
		3599
		3600	undef $Coro::AIO::WATCHER;
2542	IO::AIO::max_poll_time $TICK * 0.1;	3601	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (	3602	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,	3603	reentrant => 0,
		3604	data => WF_AUTOCANCEL,
2547	fd => IO::AIO::poll_fileno,	3605	fd => IO::AIO::poll_fileno,
2548	poll => 'r',	3606	poll => 'r',
2549	prio => 6,	3607	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,	3608	cb => \&IO::AIO::poll_cb,
2552	);	3609	);
		3610	}
2553		3611
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	3612	my $_log_backtrace;
2555	reentrant => 0,	3613
2556	data => WF_AUTOCANCEL,	3614	sub _log_backtrace {
2557	after => 1,	3615	my ($msg, @addr) = @_;
2558	interval => 10,	3616
2559	prio => 6, # keep it lowest so it acts like a watchdog	3617	$msg =~ s/\n//;
2560	cb => Coro::unblock_sub {	3618
2561	write_runtime	3619	# limit the # of concurrent backtraces
2562	or warn "ERROR: unable to write runtime file: $!";	3620	if ($_log_backtrace < 2) {
		3621	++$_log_backtrace;
		3622	async {
		3623	my @bt = fork_call {
		3624	@addr = map { sprintf "%x", $_ } @addr;
		3625	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3626	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3627	or die "addr2line: $!";
		3628
		3629	my @funcs;
		3630	my @res = <$fh>;
		3631	chomp for @res;
		3632	while (@res) {
		3633	my ($func, $line) = splice @res, 0, 2, ();
		3634	push @funcs, "[$func] $line";
		3635	}
		3636
		3637	@funcs
		3638	};
		3639
		3640	LOG llevInfo, "[ABT] $msg\n";
		3641	LOG llevInfo, "[ABT] $_\n" for @bt;
		3642	--$_log_backtrace;
		3643	};
		3644	} else {
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] [suppressed]\n";
2563	},	3647	}
2564	);	3648	}
		3649
		3650	# load additional modules
		3651	use cf::pod;
2565		3652
2566	END { cf::emergency_save }	3653	END { cf::emergency_save }
2567		3654
2568	1	3655	1
2569		3656

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