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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.366 by root, Tue Sep 11 16:05:35 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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		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
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	87	our $DB_ENV;
58		88
59	our %CFG;	89	our %CFG;
60		90
61	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	92	our $RUNTIME;
63		93
64	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		97
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		104
76	binmode STDOUT;	105	binmode STDOUT;
77	binmode STDERR;	106	binmode STDERR;
78		107
79	# read virtual server time, if available	108	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
84	}	113	}
85		114
86	mkdir cf::localdir;	115	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		117
93	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
94		119
95	sub cf::map::normalise;	120	sub cf::map::normalise;
96		121
…		…
107	=item $cf::RUNTIME	132	=item $cf::RUNTIME
108		133
109	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
110	every server tick.	135	every server tick.
111		136
112	=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
113		140
114	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		145
117	=item $cf::NOW	146	=item $cf::NOW
118		147
119	The time of the last (current) server tick.	148	The time of the last (current) server tick.
120		149
121	=item $cf::TICK	150	=item $cf::TICK
122		151
123	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.
124		163
125	=item %cf::CFG	164	=item %cf::CFG
126		165
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	167	from wherever your confdir points to.
129		168
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		170
132	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
133	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
134	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.
135	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.
136		180
137	=back	181	=back
138		182
139	=cut	183	=cut
140		184
141	BEGIN {	185	BEGIN {
142	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	187	my $msg = join "", @_;
144	utf8::encode $msg;
145		188
146	$msg .= "\n"	189	$msg .= "\n"
147	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148		193
149	LOG llevError, $msg;	194	LOG llevError, $msg;
150	};	195	};
151	}	196	}
152		197
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		205
160	# 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
161	# within the Safe compartment.	207	# within the Safe compartment.
162	for my $pkg (qw(	208	for my $pkg (qw(
163	cf::global cf::attachable	209	cf::global cf::attachable
…		…
171	}	217	}
172		218
173	$Event::DIED = sub {	219	$Event::DIED = sub {
174	warn "error in event callback: @_";	220	warn "error in event callback: @_";
175	};	221	};
		222
		223	#############################################################################
176		224
177	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
178		226
179	=over 4	227	=over 4
180		228
…		…
199	$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;
200	$d	248	$d
201	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
202	}	250	}
203		251
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
207		253
208	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
209		255
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
218		257
219	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
220		259
221	=cut	260	=cut
222		261
223	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
225	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
227		266
228	=item cf::lock_wait $string	267	=item cf::lock_wait $string
229		268
230	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
231		270
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
237	returned.	276	returned.
238		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
239	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
240	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
241		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
242	=cut	288	=cut
243		289
244	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
245		292
246	sub lock_wait($) {	293	sub lock_wait($) {
247	my ($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#
248		300
249	# wait for lock, if any	301	# wait for lock, if any
250	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	304	Coro::schedule;
…		…
258		310
259	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
260	lock_wait $key;	312	lock_wait $key;
261		313
262	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
263		316
264	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
267	}	321	}
268	}	322	}
269		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
270	sub freeze_mainloop {	330	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
272		332
273	my $guard = Coro::guard {	333	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	335	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
279	$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;
280	}	394	}
281		395
282	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
283		397
284	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		403
290	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
291		405
292	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
293		407
294	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)
295	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
296	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.
297		412
298	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
299	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
300	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
301	fast or be very important.	416	fast or be very important.
…		…
304		419
305	sub sync_job(&) {	420	sub sync_job(&) {
306	my ($job) = @_;	421	my ($job) = @_;
307		422
308	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
309	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
311		428
312	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
324		441
325	while ($busy) {	442	while ($busy) {
326	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
327	}	444	}
328		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
329	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
330	} else {	454	} else {
331	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
332		456
333	$job->()	457	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
353		477
354	$coro	478	$coro
355	}	479	}
356		480
357	sub write_runtime {	481	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		482
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
361	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.
362		487
363	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		489
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
368	and return;	491	my ($cb, @args) = @_;
369		492
370	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
372	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
373		496
374	close $fh	497	my @res = Coro::Util::fork_eval {
375	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
376		501
377	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
378	and return;	503	}
379		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
380	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 });
381	}	641	}
382		642
383	=back	643	=back
384		644
385	=cut	645	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
394		654
395	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>
396	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
397	crossfire+).	657	Crossfire TRT).
398		658
399	=over 4	659	=over 4
400		660
401	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
402		662
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
566		826
567	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		831
572	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	833	my $pkg = shift @arg;
574		834
575	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
605	}	865	}
606		866
607	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
608	} else {	868	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	870	}
611		871
612	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
613	}	873	}
614		874
…		…
616	if (ref $_[0]) {	876	if (ref $_[0]) {
617	_object_attach @_;	877	_object_attach @_;
618	} else {	878	} else {
619	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
620	}	880	}
		881	_recalc_want;
621	};	882	};
622		883
623	# all those should be optimised	884	# all those should be optimised
624	sub cf::attachable::detach {	885	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
629	reattach ($obj);	890	reattach ($obj);
630	} else {	891	} else {
631	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
632	}	893	}
		894	_recalc_want;
633	};	895	};
634		896
635	sub cf::attachable::attached {	897	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
637		899
…		…
652	";	914	";
653	die if $@;	915	die if $@;
654	}	916	}
655		917
656	our $override;	918	our $override;
657	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?
658		920
659	sub override {	921	sub override {
660	$override = 1;	922	$override = 1;
661	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
662	}	924	}
663		925
664	sub do_invoke {	926	sub do_invoke {
665	my $event = shift;	927	my $event = shift;
666	my $callbacks = shift;	928	my $callbacks = shift;
667		929
668	@invoke_results = ();	930	@INVOKE_RESULTS = ();
669		931
670	local $override;	932	local $override;
671		933
672	for (@$callbacks) {	934	for (@$callbacks) {
673	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
690		952
691	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
692		954
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		958
697	=back	959	=back
698		960
699	=cut	961	=cut
700		962
701	#############################################################################	963	#############################################################################
702	# 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	}
703		976
704	sub reattach {	977	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	979	my ($obj) = @_;
707		980
…		…
752	);	1025	);
753		1026
754	sub object_freezer_save {	1027	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
756		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
757	sync_job {	1032	sync_job {
758	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
761		1037
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
784	}	1060	}
785	} else {	1061	} else {
786	aio_unlink $filename;	1062	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
788	}	1064	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1065	};
		1066
		1067	undef $guard;
796	}	1068	}
797		1069
798	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
800		1072
…		…
806	sub object_thawer_load {	1078	sub object_thawer_load {
807	my ($filename) = @_;	1079	my ($filename) = @_;
808		1080
809	my ($data, $av);	1081	my ($data, $av);
810		1082
811	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1084
814	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
815	or return;	1086	or return;
816		1087
817	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
819	or return;	1090	or return;
		1091
		1092	undef $guard;
820	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1094	}
822		1095
		1096	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
825	return ($data, $av);	1100	($data, $av)
826	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
827		1108
828	#############################################################################	1109	#############################################################################
829	# command handling &c	1110	# command handling &c
830		1111
831	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1126	}
846		1127
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1129
849	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.
850		1135
851	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
852	called.	1137	called.
853		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
854	=cut	1150	=cut
855		1151
856	sub register_extcmd {	1152	sub register_extcmd {
857	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
858		1154
859	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
860	}	1162	}
861		1163
862	cf::player->attach (	1164	cf::player->attach (
863	on_command => sub {	1165	on_command => sub {
864	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1175	cf::override;
874	},	1176	},
875	on_extcmd => sub {	1177	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
877		1179
878	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1181
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
886	} else {	1197	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1199	}
889		1200
890	cf::override;	1201	cf::override;
891	},	1202	},
892	);	1203	);
893		1204
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
929	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1210	next unless -r $path;
931	eval {	1211
932	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;
933	1	1269	}
934	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
935	}	1275	};
936	}	1276	}
937		1277
938	#############################################################################	1278	#############################################################################
939		1279
		1280	=back
		1281
940	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
941		1283
942	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
943		1285
944	=cut	1286	=cut
…		…
949		1291
950	=head3 cf::player	1292	=head3 cf::player
951		1293
952	=over 4	1294	=over 4
953		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
954	=item cf::player::find $login	1310	=item cf::player::find $login
955		1311
956	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
957		1313
958	=cut	1314	=cut
959		1315
960	sub playerdir($) {	1316	sub playerdir($) {
961	cf::localdir	1317	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1319	}
967		1320
968	sub path($) {	1321	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1323
971	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
972	}	1325	}
973		1326
974	sub find_active($) {	1327	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1342	my $login = $_[0];
990		1343
991	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
992		1345
993	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
997	}	1363	}
998	}	1364	}
999	}	1365	}
1000		1366
…		…
1010		1376
1011	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1013		1379
1014	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1015	Coro::cede;	1381	cf::cede_to_tick;
1016	}	1382	}
1017		1383
1018	sub new($) {	1384	sub new($) {
1019	my ($login) = @_;	1385	my ($login) = @_;
1020		1386
…		…
1026	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1027		1393
1028	$self	1394	$self
1029	}	1395	}
1030		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
1031	=item $pl->quit_character	1407	=item $pl->quit_character
1032		1408
1033	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
1034	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1035		1411
1036	=cut	1412	=cut
1037		1413
1038	sub quit_character {	1414	sub quit_character {
1039	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1040		1418
1041	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1042	$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
1043		1421
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1453	}
1056		1454
1057	=item cf::player::list_logins	1455	=item cf::player::list_logins
1058		1456
1059	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
1060	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1061		1459
1062	=cut	1460	=cut
1063		1461
1064	sub list_logins {	1462	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1464	or return [];
1067		1465
1068	my @logins;	1466	my @logins;
1069		1467
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1074		1477
1075	utf8::decode $login;	1478	utf8::decode $login;
1076	push @logins, $login;	1479	push @logins, $login;
1077	}	1480	}
1078		1481
…		…
1105	}	1508	}
1106		1509
1107	\@paths	1510	\@paths
1108	}	1511	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1111		1565
1112	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1113		1567
1114	=cut	1568	=cut
1115		1569
1116	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1118		1572
1119	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1574	}
1123		1575
1124	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1125		1616
1126	=back	1617	=back
1127
1128		1618
1129	=head3 cf::map	1619	=head3 cf::map
1130		1620
1131	=over 4	1621	=over 4
1132		1622
…		…
1187	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1188		1678
1189	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1190	local $self->{path};	1680	local $self->{path};
1191	local $self->{load_path};	1681	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1682
1195	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1196	}	1684	}
1197		1685
1198	sub normalise {	1686	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1246	return $self;	1734	return $self;
1247	}	1735	}
1248	}	1736	}
1249		1737
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1739	()
1252	}	1740	}
1253		1741
1254	sub init {	1742	sub init {
1255	my ($self) = @_;	1743	my ($self) = @_;
…		…
1270		1758
1271	# the original (read-only) location	1759	# the original (read-only) location
1272	sub load_path {	1760	sub load_path {
1273	my ($self) = @_;	1761	my ($self) = @_;
1274		1762
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1276	}	1764	}
1277		1765
1278	# the temporary/swap location	1766	# the temporary/swap location
1279	sub save_path {	1767	sub save_path {
1280	my ($self) = @_;	1768	my ($self) = @_;
1281		1769
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1284	}	1772	}
1285		1773
1286	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1287	sub uniq_path {	1775	sub uniq_path {
1288	my ($self) = @_;	1776	my ($self) = @_;
1289		1777
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1292	}	1780	}
1293		1781
1294	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1295	# all maps in C++...	1783	# all maps in C++...
1296	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1298		1786
1299	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1301	}	1789	}
1302		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1303	sub unlink_save {	1799	sub unlink_save {
1304	my ($self) = @_;	1800	my ($self) = @_;
1305		1801
1306	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1805	}
1315		1806
1316	sub load_header_from($) {	1807	sub load_header_from($) {
1317	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1318		1809
1319	utf8::encode $path;	1810	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	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;
1325		1819
1326	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1327		1821
1328	1	1822	1
1329	}	1823	}
…		…
1368	$self->load_header_orig	1862	$self->load_header_orig
1369	or return;	1863	or return;
1370	$self->prepare_orig;	1864	$self->prepare_orig;
1371	}	1865	}
1372		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 $self->default_region;
		1872
1373	1	1873	1
1374	}	1874	}
1375		1875
1376	sub find;	1876	sub find;
1377	sub find {	1877	sub find {
1378	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1379		1879
1380	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1381		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1383		1884
1384	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1385	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
1386	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1387	or return;	1890	or return;
1388		1891
1389	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1390		1893
1391	$map->load_header	1894	$map->load_header
1392	or return;	1895	or return;
1393		1896
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1397	$map->reset;	1902	$map->reset;
1398	undef $guard;
1399	return find $path;	1903	return find $path;
1400	}	1904	}
1401		1905
1402	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1403	}	1907	}
…		…
1410	my ($self) = @_;	1914	my ($self) = @_;
1411		1915
1412	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1413		1917
1414	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1416		1922
		1923	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1925
1419	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1420		1927
1421	$self->alloc;	1928	$self->alloc;
1422		1929
1423	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1424		1932
1425	$self->_load_objects ($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)
1426	or return;	1936	or return;
1427		1937
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1939	if delete $self->{load_original};
1430		1940
1431	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1942	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1945	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1436	}	1949	}
1437	}	1950	}
1438		1951
1439	Coro::cede;	1952	$f->resolve_delayed_derefs;
1440		1953
		1954	cf::cede_to_tick;
1441	# now do the right thing for maps	1955	# now do the right thing for maps
1442	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1958	unless $self->difficulty;
1452	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1453	$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);
1454	}	1975	}
1455		1976
1456	$self->post_load;	1977	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1978	}
1460		1979
1461	sub customise_for {	1980	sub customise_for {
1462	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1463		1982
1464	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1984	if $self->per_player;
1466		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1467	$self	1989	$self
1468	}	1990	}
1469		1991
1470	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1993	sub load_neighbours {
1472	my ($map) = @_;	1994	my ($map) = @_;
1473		1995
1474	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1475		1997
1476	for (0 .. 3) {	1998	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1478	or next;	2000	or next;
1479	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1480	or next;	2002	or next;
1481	$neigh->load;	2003	$neigh->load;
1482		2004
		2005	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2008	}
1486		2009
1487	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1489	or next;	2013	or next;
1490	$neigh->load;	2014	$neigh->load;
1491	}	2015	}
1492	}	2016	}
1493		2017
…		…
1498	}	2022	}
1499		2023
1500	sub do_load_sync {	2024	sub do_load_sync {
1501	my ($map) = @_;	2025	my ($map) = @_;
1502		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1503	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1504	}	2031	}
1505		2032
1506	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1508		2035
1509	sub find_async {	2036	sub find_async {
1510	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1511		2038
1512	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1513		2040
1514	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2043	}
1517		2044
1518	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1519	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2050	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2051	$map->load if $v;
		2052	}
1525		2053
1526	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1527	}	2055	}
1528	}	2056	}
1529	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1530	};	2058	};
1531	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2062	}
1535		2063
1536	sub save {	2064	sub save {
1537	my ($self) = @_;	2065	my ($self) = @_;
1538		2066
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2068
1541	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1542		2070
1543	return unless $self->dirty;	2071	return unless $self->dirty;
1544		2072
…		…
1567	my ($self) = @_;	2095	my ($self) = @_;
1568		2096
1569	# save first because save cedes	2097	# save first because save cedes
1570	$self->save;	2098	$self->save;
1571		2099
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2101
1574	return if $self->players;	2102	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2104	return if $self->{deny_save};
1577		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2110	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2111	}
1581		2112
1582	sub reset_at {	2113	sub reset_at {
1583	my ($self) = @_;	2114	my ($self) = @_;
1584		2115
1585	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1588		2118
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2121
…		…
1602	my ($self) = @_;	2132	my ($self) = @_;
1603		2133
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2135
1606	return if $self->players;	2136	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2137
1609	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	}
1610		2149
1611	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1612		2151
1613	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2154	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2155
1618	$self->unlink_save;	2156	$self->unlink_save;
1619	$self->destroy;	2157	$self->destroy;
1620	}	2158	}
1621		2159
1622	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1623		2161
1624	sub nuke {	2162	sub nuke {
1625	my ($self) = @_;	2163	my ($self) = @_;
1626		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1627	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1628		2169
1629	$self->unlink_save;	2170	$self->unlink_save;
1630		2171
1631	bless $self, "cf::map";	2172	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2177
1637	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1638		2180
1639	$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	]
1640	}	2218	}
1641		2219
1642	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1643		2221
1644	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2223	instantiated unique items. May block.
1646		2224
1647	=cut	2225	=cut
1648		2226
1649	sub unique_maps() {	2227	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1651	or return;	2229	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2230	utf8::decode $_;
1657	next if /\.pst$/;	2231	/\.map$/
1658	next unless /^$PATH_SEP/o;	2232	? normalise $_
1659		2233	: ()
1660	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2235	]
1662
1663	\@paths
1664	}	2236	}
1665		2237
1666	package cf;	2238	package cf;
1667		2239
1668	=back	2240	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1687	}	2259	}
1688		2260
1689	sub inv_recursive {	2261	sub inv_recursive {
1690	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	}
1691	}	2294	}
1692		2295
1693	package cf;	2296	package cf;
1694		2297
1695	=back	2298	=back
…		…
1714		2317
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2319
1717	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1722	}	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 (@_);
1723	}	2345	}
1724		2346
1725	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1726		2348
1727	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1775		2397
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2399
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1780		2402
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2404	}
1783		2405
1784	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1786		2410
1787	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1788		2412
1789	unless ($map) {	2413	unless ($map) {
1790	# restore original map position	2414	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1807		2431
1808	$map->load;	2432	$map->load;
1809	$map->load_diag;	2433	$map->load_neighbours;
1810		2434
1811	return unless $self->contr->active;	2435	return unless $self->contr->active;
1812	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1814	}	2440	}
1815		2441
1816	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2443
1820	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1824	};	2448	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2449
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1851		2453
1852	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1853	my ($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;
1854		2459
1855	$self->enter_link;	2460	$self->enter_link;
1856		2461
1857	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# todo: use ob_blocked to check all tiles of the destination "object"
		2469	# for suitability.
		2470
		2471	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2472	}
		2473	}
		2474
1858	my $map = eval {	2475	my $map = eval {
1859	my $map = cf::map::find $path;	2476	my $map = cf::map::find $path;
		2477
		2478	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1861	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2491	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1866	})->prio (1);	2499	})->prio (1);
1867	}	2500	}
1868		2501
1869	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1870		2503
…		…
1909		2542
1910	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1911		2544
1912	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1915		2548
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2551	undef $fh;
1919	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1928		2561
1929	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1930		2563
1931	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1934	}	2569	}
1935		2570
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1939		2574
1940	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1941		2580
1942	(async {	2581	(async {
1943	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2583	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1946		2585
1947	1;	2586	1;
1948	}) {	2587	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2592
1954	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2594	$self->leave_link;
1956	}	2595	}
1957	})->prio (1);	2596	})->prio (1);
…		…
1970		2609
1971	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1973		2612
1974	utf8::encode $text;	2613	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2615	}
1977		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1978		2732
1979	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1980		2734
1981	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2738
1985	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2740	become reliable at some point in the future.
1987		2741
1988	=cut	2742	=cut
1989		2743
1990	sub cf::client::query {	2744	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2753	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2755
2002	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2004	}	2760	}
2005		2761
2006	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2007	on_reply => sub {	2768	on_reply => sub {
2008	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2009		2770
2010	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2011	# get handled first	2772	# get handled first
…		…
2023	} else {	2784	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2786	}
2026	}	2787	}
2027	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2028	);	2815	);
2029		2816
2030	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2031		2818
2032	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2075		2862
2076	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2077		2864
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2079		2870
2080	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2081		2872
2082	=pod	2873	=pod
2083		2874
2084	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2085		2876
2086	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2087	cf::object::player player	2881	cf::object::player
2088	cf::player peaceful	2882	player
2089	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2090		2889
2091	=cut	2890	=cut
2092		2891
2093	for (	2892	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2098	) {	2899	) {
2099	no strict 'refs';	2900	no strict 'refs';
…		…
2170	=back	2971	=back
2171		2972
2172	=cut	2973	=cut
2173		2974
2174	#############################################################################	2975	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2976	# the server's init and main functions
2284		2977
2285	sub load_resources {	2978	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2986
		2987	warn "loading facedata from $path\n";
		2988
		2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
		2992
		2993	$facedata = Coro::Storable::thaw $facedata;
		2994
		2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
		3005	{
		3006	my $faces = $facedata->{faceinfo};
		3007
		3008	while (my ($face, $info) = each %$faces) {
		3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
		3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3014
		3015	cf::cede_to_tick;
		3016	}
		3017
		3018	while (my ($face, $info) = each %$faces) {
		3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
		3028
		3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3110	or die "unable to load regions file\n";
2288	}
2289		3111
2290	sub cfg_load {	3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3156	or return;
2293		3157
2294	local $/;	3158	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2296		3160
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3168	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3169	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3170	};
2307	warn $@ if $@;	3171	warn $@ if $@;
2308	}	3172	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3173	}
2314		3174
2315	sub main {	3175	sub main {
2316	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
…		…
2319	(async {	3179	(async {
2320	Event::one_event;	3180	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2322	};	3182	};
2323		3183
2324	cfg_load;	3184	reload_config;
2325	db_load;	3185	db_init;
2326	load_extensions;	3186	load_extensions;
2327		3187
2328	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2329	Event::loop;	3189	Event::loop;
2330	}	3190	}
…		…
2345	},	3205	},
2346	);	3206	);
2347	}	3207	}
2348	}	3208	}
2349		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2350	sub emergency_save() {	3248	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2352		3250
2353	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2354		3252
…		…
2369	my $map = $cf::MAP{$path} or next;	3267	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3268	$map->valid or next;
2371	$map->save;	3269	$map->save;
2372	}	3270	}
2373	warn "end emergency map save\n";	3271	warn "end emergency map save\n";
		3272
		3273	warn "begin emergency database checkpoint\n";
		3274	BDB::db_env_txn_checkpoint $DB_ENV;
		3275	warn "end emergency database checkpoint\n";
2374	};	3276	};
2375		3277
2376	warn "leave emergency perl save\n";	3278	warn "leave emergency perl save\n";
2377	}	3279	}
2378		3280
		3281	sub post_cleanup {
		3282	my ($make_core) = @_;
		3283
		3284	warn Carp::longmess "post_cleanup backtrace"
		3285	if $make_core;
		3286	}
		3287
2379	sub reload() {	3288	sub do_reload_perl() {
2380	# can/must only be called in main	3289	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2383	return;	3292	return;
2384	}	3293	}
2385		3294
2386	warn "reloading...";	3295	warn "reloading...";
2387		3296
2388	warn "cancelling server ticker";	3297	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2392		3303
2393	eval {	3304	warn "syncing database to disk";
		3305	BDB::db_env_txn_checkpoint $DB_ENV;
		3306
2394	# if anything goes wrong in here, we should simply crash as we already saved	3307	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3308
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3312	}
2403		3313
2404	warn "flushing outstanding aio requests";	3314	warn "flushing outstanding aio requests";
2405	for (;;) {	3315	for (;;) {
		3316	BDB::flush;
2406	IO::AIO::flush;	3317	IO::AIO::flush;
2407	Coro::cede;	3318	Coro::cede;
2408	last unless IO::AIO::nreqs;	3319	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3320	warn "iterate...";
2410	}	3321	}
		3322
		3323	++$RELOAD;
2411		3324
2412	warn "cancelling all extension coros";	3325	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3327	%EXT_CORO = ();
2415		3328
2416	warn "removing commands";	3329	warn "removing commands";
2417	%COMMAND = ();	3330	%COMMAND = ();
2418		3331
2419	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2421		3335
2422	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2425		3339
…		…
2455	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3371
2458	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2460		3375
2461	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3377	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2464		3379
…		…
2467	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2468	require cf;	3383	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3385
2471	warn "loading config and database again";	3386	warn "loading config and database again";
2472	cf::cfg_load;	3387	cf::reload_config;
2473	cf::db_load;
2474		3388
2475	warn "loading extensions";	3389	warn "loading extensions";
2476	cf::load_extensions;	3390	cf::load_extensions;
2477		3391
2478	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3393	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
		3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2482		3398
2483	warn "loading reloadable resources";	3399	warn "leaving sync_job";
2484	load_resources;
2485		3400
2486	warn "restarting server ticker";	3401	1
2487		3402	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3403	warn $@;
2493	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2494	exit 1;	3405	exit 1;
2495	}	3406	};
2496		3407
2497	warn "reloaded";	3408	warn "reloaded";
2498	};	3409	};
2499		3410
2500	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2501		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2502	register_command "reload" => sub {	3428	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2504		3430
2505	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2507		3433	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3434	}
2521	};	3435	};
2522		3436
2523	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2524		3438
2525	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
		3461
		3462	our $stat_fh;
		3463	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2526		3464
2527	$TICK_WATCHER = Event->timer (	3465	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3466	reentrant => 0,
2529	parked => 1,	3467	parked => 1,
2530	prio => 0,	3468	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3473	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3474	unless ++$bug_warning > 10;
2537	return;	3475	return;
2538	}	3476	}
2539		3477
		3478	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3479
2540	$NOW = Event::time;	3480	$NOW = $tick_start = Event::time;
2541		3481
2542	cf::server_tick; # one server iteration	3482	cf::server_tick; # one server iteration
		3483
2543	$RUNTIME += $TICK;	3484	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3485	$NEXT_TICK += $TICK;
2545		3486
2546	$WAIT_FOR_TICK->broadcast;	3487	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3488	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3489	Coro::async_pool {
2549	Event::sweep;	3490	write_runtime
2550	Coro::cede_notself;	3491	or warn "ERROR: unable to write runtime file: $!";
		3492	};
2551		3493	}
		3494
2552	# my $AFTER = Event::time;	3495	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3496	# warn $AFTER - $NOW;#d#
2554		3497
		3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
		3506
2555	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3509
2558	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
		3517
		3518	# gather some statistics#d#
		3519	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3520	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2560	},	3521	},
2561	);	3522	);
2562		3523
2563	{	3524	{
		3525	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3526	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3527	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3528	reentrant => 0,
2567	fd => BDB::poll_fileno,	3529	fd => BDB::poll_fileno,
2568	poll => 'r',	3530	poll => 'r',
2569	prio => 0,	3531	prio => 0,
2570	data => WF_AUTOCANCEL,	3532	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3533	cb => \&BDB::poll_cb,
2572	);	3534	);
2573	BDB::min_parallel 8;
2574		3535
2575	BDB::set_sync_prepare {	3536	BDB::set_sync_prepare {
2576	my $status;	3537	my $status;
2577	my $current = $Coro::current;	3538	my $current = $Coro::current;
2578	(	3539	(
…		…
2589		3550
2590	unless ($DB_ENV) {	3551	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3552	$DB_ENV = BDB::db_env_create;
2592		3553
2593	cf::sync_job {	3554	cf::sync_job {
		3555	eval {
2594	BDB::db_env_open	3556	BDB::db_env_open
2595	$DB_ENV,	3557	$DB_ENV,
2596	$BDB_ENV_DIR,	3558	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3561	0666;
2600		3562
2601	cf::cleanup "$!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3564
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
2604	$DB_ENV->set_lk_detect;	3567	$DB_ENV->set_lk_detect;
		3568	};
		3569
		3570	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3571	};
2606	}	3572	}
		3573
		3574	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3575	after => 11,
		3576	interval => 60,
		3577	hard => 1,
		3578	prio => 0,
		3579	data => WF_AUTOCANCEL,
		3580	cb => sub {
		3581	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3582	},
		3583	);
		3584	$BDB_TRICKLE_WATCHER = Event->timer (
		3585	after => 5,
		3586	interval => 10,
		3587	hard => 1,
		3588	prio => 0,
		3589	data => WF_AUTOCANCEL,
		3590	cb => sub {
		3591	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3592	},
		3593	);
2607	}	3594	}
2608		3595
2609	{	3596	{
2610	IO::AIO::min_parallel 8;	3597	IO::AIO::min_parallel 8;
2611		3598
2612	undef $Coro::AIO::WATCHER;	3599	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3600	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3601	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3602	reentrant => 0,
		3603	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3604	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3605	poll => 'r',
2618	prio => 6,	3606	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3607	cb => \&IO::AIO::poll_cb,
2621	);	3608	);
2622	}	3609	}
2623		3610
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3611	my $_log_backtrace;
2625	reentrant => 0,	3612
2626	data => WF_AUTOCANCEL,	3613	sub _log_backtrace {
2627	after => 1,	3614	my ($msg, @addr) = @_;
2628	interval => 10,	3615
2629	prio => 6, # keep it lowest so it acts like a watchdog	3616	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3617
2631	write_runtime	3618	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3619	if ($_log_backtrace < 2) {
		3620	++$_log_backtrace;
		3621	async {
		3622	my @bt = fork_call {
		3623	@addr = map { sprintf "%x", $_ } @addr;
		3624	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3625	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3626	or die "addr2line: $!";
		3627
		3628	my @funcs;
		3629	my @res = <$fh>;
		3630	chomp for @res;
		3631	while (@res) {
		3632	my ($func, $line) = splice @res, 0, 2, ();
		3633	push @funcs, "[$func] $line";
		3634	}
		3635
		3636	@funcs
		3637	};
		3638
		3639	LOG llevInfo, "[ABT] $msg\n";
		3640	LOG llevInfo, "[ABT] $_\n" for @bt;
		3641	--$_log_backtrace;
		3642	};
		3643	} else {
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3646	}
2634	);	3647	}
		3648
		3649	# load additional modules
		3650	use cf::pod;
2635		3651
2636	END { cf::emergency_save }	3652	END { cf::emergency_save }
2637		3653
2638	1	3654	1
2639		3655

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