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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 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;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		97
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	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
113	every server tick.	135	every server tick.
114		136
115	=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
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	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.
127		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	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
136	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
137	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.
138	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.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		205
163	# 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
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$Event::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$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;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	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
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($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#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
271	}	322	}
272		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
276	my $guard = Coro::guard {	333	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	335	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
282	$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;
283	}	394	}
284		395
285	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
286		397
287	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		403
293	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
294		405
295	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
296		407
297	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)
298	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
299	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.
300		412
301	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
302	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
303	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
304	fast or be very important.	416	fast or be very important.
…		…
307		419
308	sub sync_job(&) {	420	sub sync_job(&) {
309	my ($job) = @_;	421	my ($job) = @_;
310		422
311	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
312	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
314		428
315	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
327		441
328	while ($busy) {	442	while ($busy) {
329	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
330	}	444	}
331		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
332	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
333	} else {	454	} else {
334	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
335		456
336	$job->()	457	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
356		477
357	$coro	478	$coro
358	}	479	}
359		480
360	sub write_runtime {	481	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		482
363	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		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.
364		487
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
366	or return;
367		489
368	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		492
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
373	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
374		496
375	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	498	reset_signals;
377	and return;	499	&$cb
		500	}, @args;
378		501
379	close $fh	502	wantarray ? @res : $res[-1]
380	or return;	503	}
381		504
382	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
383	and return;
384		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
385	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 });
386	}	641	}
387		642
388	=back	643	=back
389		644
390	=cut	645	=cut
…		…
397	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")
398	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
399		654
400	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>
401	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
402	crossfire+).	657	Crossfire TRT).
403		658
404	=over 4	659	=over 4
405		660
406	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
407		662
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
571		826
572	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		831
577	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	833	my $pkg = shift @arg;
579		834
580	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
610	}	865	}
611		866
612	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
613	} else {	868	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	870	}
616		871
617	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
618	}	873	}
619		874
…		…
621	if (ref $_[0]) {	876	if (ref $_[0]) {
622	_object_attach @_;	877	_object_attach @_;
623	} else {	878	} else {
624	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
625	}	880	}
		881	_recalc_want;
626	};	882	};
627		883
628	# all those should be optimised	884	# all those should be optimised
629	sub cf::attachable::detach {	885	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
634	reattach ($obj);	890	reattach ($obj);
635	} else {	891	} else {
636	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
637	}	893	}
		894	_recalc_want;
638	};	895	};
639		896
640	sub cf::attachable::attached {	897	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
642		899
…		…
657	";	914	";
658	die if $@;	915	die if $@;
659	}	916	}
660		917
661	our $override;	918	our $override;
662	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?
663		920
664	sub override {	921	sub override {
665	$override = 1;	922	$override = 1;
666	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
667	}	924	}
668		925
669	sub do_invoke {	926	sub do_invoke {
670	my $event = shift;	927	my $event = shift;
671	my $callbacks = shift;	928	my $callbacks = shift;
672		929
673	@invoke_results = ();	930	@INVOKE_RESULTS = ();
674		931
675	local $override;	932	local $override;
676		933
677	for (@$callbacks) {	934	for (@$callbacks) {
678	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
695		952
696	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
697		954
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		958
702	=back	959	=back
703		960
704	=cut	961	=cut
705		962
706	#############################################################################	963	#############################################################################
707	# 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	}
708		976
709	sub reattach {	977	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	979	my ($obj) = @_;
712		980
…		…
757	);	1025	);
758		1026
759	sub object_freezer_save {	1027	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
761		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
762	sync_job {	1032	sync_job {
763	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
766		1037
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
789	}	1060	}
790	} else {	1061	} else {
791	aio_unlink $filename;	1062	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
793	}	1064	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1065	};
		1066
		1067	undef $guard;
801	}	1068	}
802		1069
803	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
805		1072
…		…
811	sub object_thawer_load {	1078	sub object_thawer_load {
812	my ($filename) = @_;	1079	my ($filename) = @_;
813		1080
814	my ($data, $av);	1081	my ($data, $av);
815		1082
816	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1084
819	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
820	or return;	1086	or return;
821		1087
822	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
824	or return;	1090	or return;
		1091
		1092	undef $guard;
825	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1094	}
827		1095
		1096	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
830	return ($data, $av);	1100	($data, $av)
831	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
832		1108
833	#############################################################################	1109	#############################################################################
834	# command handling &c	1110	# command handling &c
835		1111
836	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1126	}
851		1127
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1129
854	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.
855		1135
856	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
857	called.	1137	called.
858		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
859	=cut	1150	=cut
860		1151
861	sub register_extcmd {	1152	sub register_extcmd {
862	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
863		1154
864	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
865	}	1162	}
866		1163
867	cf::player->attach (	1164	cf::player->attach (
868	on_command => sub {	1165	on_command => sub {
869	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1175	cf::override;
879	},	1176	},
880	on_extcmd => sub {	1177	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
882		1179
883	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1181
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
891	} else {	1197	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1199	}
894		1200
895	cf::override;	1201	cf::override;
896	},	1202	},
897	);	1203	);
898		1204
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
934	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1210	next unless -r $path;
936	eval {	1211
937	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;
938	1	1269	}
939	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
940	}	1275	};
941	}	1276	}
942		1277
943	#############################################################################	1278	#############################################################################
944		1279
		1280	=back
		1281
945	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
946		1283
947	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
948		1285
949	=cut	1286	=cut
…		…
954		1291
955	=head3 cf::player	1292	=head3 cf::player
956		1293
957	=over 4	1294	=over 4
958		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
959	=item cf::player::find $login	1310	=item cf::player::find $login
960		1311
961	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
962		1313
963	=cut	1314	=cut
964		1315
965	sub playerdir($) {	1316	sub playerdir($) {
966	cf::localdir	1317	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1319	}
972		1320
973	sub path($) {	1321	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1323
976	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
977	}	1325	}
978		1326
979	sub find_active($) {	1327	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1342	my $login = $_[0];
995		1343
996	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
997		1345
998	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1002	}	1363	}
1003	}	1364	}
1004	}	1365	}
1005		1366
…		…
1015		1376
1016	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1018		1379
1019	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1020	Coro::cede;	1381	cf::cede_to_tick;
1021	}	1382	}
1022		1383
1023	sub new($) {	1384	sub new($) {
1024	my ($login) = @_;	1385	my ($login) = @_;
1025		1386
…		…
1031	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1032		1393
1033	$self	1394	$self
1034	}	1395	}
1035		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
1036	=item $pl->quit_character	1407	=item $pl->quit_character
1037		1408
1038	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
1039	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1040		1411
1041	=cut	1412	=cut
1042		1413
1043	sub quit_character {	1414	sub quit_character {
1044	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1045		1418
1046	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1047	$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
1048		1421
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1453	}
1061		1454
1062	=item cf::player::list_logins	1455	=item cf::player::list_logins
1063		1456
1064	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
1065	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1066		1459
1067	=cut	1460	=cut
1068		1461
1069	sub list_logins {	1462	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1464	or return [];
1072		1465
1073	my @logins;	1466	my @logins;
1074		1467
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1079		1477
1080	utf8::decode $login;	1478	utf8::decode $login;
1081	push @logins, $login;	1479	push @logins, $login;
1082	}	1480	}
1083		1481
…		…
1110	}	1508	}
1111		1509
1112	\@paths	1510	\@paths
1113	}	1511	}
1114		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
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1116		1565
1117	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1118		1567
1119	=cut	1568	=cut
1120		1569
1121	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1123		1572
1124	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1574	}
1128		1575
1129	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1130		1616
1131	=back	1617	=back
1132
1133		1618
1134	=head3 cf::map	1619	=head3 cf::map
1135		1620
1136	=over 4	1621	=over 4
1137		1622
…		…
1192	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1193		1678
1194	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1195	local $self->{path};	1680	local $self->{path};
1196	local $self->{load_path};	1681	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1682
1200	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1201	}	1684	}
1202		1685
1203	sub normalise {	1686	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1251	return $self;	1734	return $self;
1252	}	1735	}
1253	}	1736	}
1254		1737
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1739	()
1257	}	1740	}
1258		1741
1259	sub init {	1742	sub init {
1260	my ($self) = @_;	1743	my ($self) = @_;
…		…
1275		1758
1276	# the original (read-only) location	1759	# the original (read-only) location
1277	sub load_path {	1760	sub load_path {
1278	my ($self) = @_;	1761	my ($self) = @_;
1279		1762
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1281	}	1764	}
1282		1765
1283	# the temporary/swap location	1766	# the temporary/swap location
1284	sub save_path {	1767	sub save_path {
1285	my ($self) = @_;	1768	my ($self) = @_;
1286		1769
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1289	}	1772	}
1290		1773
1291	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1292	sub uniq_path {	1775	sub uniq_path {
1293	my ($self) = @_;	1776	my ($self) = @_;
1294		1777
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1297	}	1780	}
1298		1781
1299	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1300	# all maps in C++...	1783	# all maps in C++...
1301	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1303		1786
1304	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1306	}	1789	}
1307		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1308	sub unlink_save {	1799	sub unlink_save {
1309	my ($self) = @_;	1800	my ($self) = @_;
1310		1801
1311	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1805	}
1320		1806
1321	sub load_header_from($) {	1807	sub load_header_from($) {
1322	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1323		1809
1324	utf8::encode $path;	1810	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	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;
1330		1819
1331	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1332		1821
1333	1	1822	1
1334	}	1823	}
…		…
1373	$self->load_header_orig	1862	$self->load_header_orig
1374	or return;	1863	or return;
1375	$self->prepare_orig;	1864	$self->prepare_orig;
1376	}	1865	}
1377		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 $self->default_region;
		1872
1378	1	1873	1
1379	}	1874	}
1380		1875
1381	sub find;	1876	sub find;
1382	sub find {	1877	sub find {
1383	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1384		1879
1385	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1386		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1388		1884
1389	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1390	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
1391	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1392	or return;	1890	or return;
1393		1891
1394	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1395		1893
1396	$map->load_header	1894	$map->load_header
1397	or return;	1895	or return;
1398		1896
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1402	$map->reset;	1902	$map->reset;
1403	undef $guard;
1404	return find $path;	1903	return find $path;
1405	}	1904	}
1406		1905
1407	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1408	}	1907	}
…		…
1415	my ($self) = @_;	1914	my ($self) = @_;
1416		1915
1417	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1418		1917
1419	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1421		1922
		1923	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1925
1424	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1425		1927
1426	$self->alloc;	1928	$self->alloc;
1427		1929
1428	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1429		1932
1430	$self->_load_objects ($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)
1431	or return;	1936	or return;
1432		1937
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1939	if delete $self->{load_original};
1435		1940
1436	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1942	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	1945	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1441	}	1949	}
1442	}	1950	}
1443		1951
1444	Coro::cede;	1952	$f->resolve_delayed_derefs;
1445		1953
		1954	cf::cede_to_tick;
1446	# now do the right thing for maps	1955	# now do the right thing for maps
1447	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1958	unless $self->difficulty;
1457	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1458	$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);
1459	}	1975	}
1460		1976
1461	$self->post_load;	1977	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1978	}
1465		1979
1466	sub customise_for {	1980	sub customise_for {
1467	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1468		1982
1469	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1984	if $self->per_player;
1471		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1472	$self	1989	$self
1473	}	1990	}
1474		1991
1475	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1993	sub load_neighbours {
1477	my ($map) = @_;	1994	my ($map) = @_;
1478		1995
1479	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1480		1997
1481	for (0 .. 3) {	1998	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1483	or next;	2000	or next;
1484	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1485	or next;	2002	or next;
1486	$neigh->load;	2003	$neigh->load;
1487		2004
		2005	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2008	}
1491		2009
1492	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1494	or next;	2013	or next;
1495	$neigh->load;	2014	$neigh->load;
1496	}	2015	}
1497	}	2016	}
1498		2017
…		…
1503	}	2022	}
1504		2023
1505	sub do_load_sync {	2024	sub do_load_sync {
1506	my ($map) = @_;	2025	my ($map) = @_;
1507		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1508	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1509	}	2031	}
1510		2032
1511	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1513		2035
1514	sub find_async {	2036	sub find_async {
1515	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1516		2038
1517	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1518		2040
1519	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2043	}
1522		2044
1523	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1524	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2050	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2051	$map->load if $v;
		2052	}
1530		2053
1531	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1532	}	2055	}
1533	}	2056	}
1534	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1535	};	2058	};
1536	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2062	}
1540		2063
1541	sub save {	2064	sub save {
1542	my ($self) = @_;	2065	my ($self) = @_;
1543		2066
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2068
1546	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1547		2070
1548	return unless $self->dirty;	2071	return unless $self->dirty;
1549		2072
…		…
1572	my ($self) = @_;	2095	my ($self) = @_;
1573		2096
1574	# save first because save cedes	2097	# save first because save cedes
1575	$self->save;	2098	$self->save;
1576		2099
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2101
1579	return if $self->players;	2102	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2104	return if $self->{deny_save};
1582		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2110	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2111	}
1586		2112
1587	sub reset_at {	2113	sub reset_at {
1588	my ($self) = @_;	2114	my ($self) = @_;
1589		2115
1590	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1593		2118
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2121
…		…
1607	my ($self) = @_;	2132	my ($self) = @_;
1608		2133
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2135
1611	return if $self->players;	2136	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2137
1614	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1615		2139
1616	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1617		2141
1618	# need to save uniques path	2142	# need to save uniques path
1619	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2147	if $uniq;
1624	}	2148	}
1625		2149
1626	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1627		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2154	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2155
1632	$self->unlink_save;	2156	$self->unlink_save;
1633	$self->destroy;	2157	$self->destroy;
1634	}	2158	}
1635		2159
1636	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1637		2161
1638	sub nuke {	2162	sub nuke {
1639	my ($self) = @_;	2163	my ($self) = @_;
1640		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1641	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1642		2169
1643	$self->unlink_save;	2170	$self->unlink_save;
1644		2171
1645	bless $self, "cf::map";	2172	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2177
1651	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1652		2180
1653	$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	]
1654	}	2218	}
1655		2219
1656	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1657		2221
1658	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2223	instantiated unique items. May block.
1660		2224
1661	=cut	2225	=cut
1662		2226
1663	sub unique_maps() {	2227	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1665	or return;	2229	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2230	utf8::decode $_;
1671	next if /\.pst$/;	2231	/\.map$/
1672	next unless /^$PATH_SEP/o;	2232	? normalise $_
1673		2233	: ()
1674	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2235	]
1676
1677	\@paths
1678	}	2236	}
1679		2237
1680	package cf;	2238	package cf;
1681		2239
1682	=back	2240	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1701	}	2259	}
1702		2260
1703	sub inv_recursive {	2261	sub inv_recursive {
1704	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	}
1705	}	2294	}
1706		2295
1707	package cf;	2296	package cf;
1708		2297
1709	=back	2298	=back
…		…
1728		2317
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2319
1731	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1736	}	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 (@_);
1737	}	2345	}
1738		2346
1739	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1740		2348
1741	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1789		2397
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2399
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1794		2402
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2404	}
1797		2405
1798	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1800		2410
1801	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1802		2412
1803	unless ($map) {	2413	unless ($map) {
1804	# restore original map position	2414	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1821		2431
1822	$map->load;	2432	$map->load;
1823	$map->load_diag;	2433	$map->load_neighbours;
1824		2434
1825	return unless $self->contr->active;	2435	return unless $self->contr->active;
1826	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1828	}	2440	}
1829		2441
1830	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2443
1834	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1838	};	2448	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2449
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1865		2453
1866	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1867	my ($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;
1868		2459
1869	$self->enter_link;	2460	$self->enter_link;
1870		2461
1871	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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
1872	my $map = eval {	2475	my $map = eval {
1873	my $map = cf::map::find $path;	2476	my $map = cf::map::find $path;
		2477
		2478	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2491	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1880	})->prio (1);	2499	})->prio (1);
1881	}	2500	}
1882		2501
1883	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1884		2503
…		…
1923		2542
1924	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1925		2544
1926	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1929		2548
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2551	undef $fh;
1933	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1942		2561
1943	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1944		2563
1945	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1948	}	2569	}
1949		2570
1950	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;
1951	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1953		2574
1954	$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);
1955		2580
1956	(async {	2581	(async {
1957	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2583	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1960		2585
1961	1;	2586	1;
1962	}) {	2587	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2592
1968	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2594	$self->leave_link;
1970	}	2595	}
1971	})->prio (1);	2596	})->prio (1);
…		…
1984		2609
1985	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1987		2612
1988	utf8::encode $text;	2613	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2615	}
1991		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	}
1992		2732
1993	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1994		2734
1995	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2738
1999	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
2000	reliable at some point in the future.	2740	become reliable at some point in the future.
2001		2741
2002	=cut	2742	=cut
2003		2743
2004	sub cf::client::query {	2744	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2753	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2755
2016	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2018	}	2760	}
2019		2761
2020	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2021	on_reply => sub {	2768	on_reply => sub {
2022	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2023		2770
2024	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2025	# get handled first	2772	# get handled first
…		…
2037	} else {	2784	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2786	}
2040	}	2787	}
2041	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($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	},
2042	);	2815	);
2043		2816
2044	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2045		2818
2046	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2089		2862
2090	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2091		2864
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2093		2870
2094	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2095		2872
2096	=pod	2873	=pod
2097		2874
2098	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2099		2876
2100	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2101	cf::object::player player	2881	cf::object::player
2102	cf::player peaceful	2882	player
2103	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2104		2889
2105	=cut	2890	=cut
2106		2891
2107	for (	2892	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2112	) {	2899	) {
2113	no strict 'refs';	2900	no strict 'refs';
…		…
2184	=back	2971	=back
2185		2972
2186	=cut	2973	=cut
2187		2974
2188	#############################################################################	2975	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2976	# the server's init and main functions
2262		2977
2263	sub load_resources {	2978	sub load_facedata($) {
2264	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"
2265	or die "unable to load regions file\n";#d#	3110	or die "unable to load regions file\n";
2266	}
2267		3111
2268	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 {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3156	or return;
2271		3157
2272	local $/;	3158	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2274		3160
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3168	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3169	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3170	};
2285	warn $@ if $@;	3171	warn $@ if $@;
2286	}	3172	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3173	}
2292		3174
2293	sub main {	3175	sub main {
2294	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
…		…
2297	(async {	3179	(async {
2298	Event::one_event;	3180	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2300	};	3182	};
2301		3183
2302	cfg_load;	3184	reload_config;
2303	db_init;	3185	db_init;
2304	load_extensions;	3186	load_extensions;
2305		3187
2306	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2307	Event::loop;	3189	Event::loop;
…		…
2323	},	3205	},
2324	);	3206	);
2325	}	3207	}
2326	}	3208	}
2327		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
2328	sub emergency_save() {	3248	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2330		3250
2331	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2332		3252
…		…
2363		3283
2364	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3285	if $make_core;
2366	}	3286	}
2367		3287
2368	sub reload() {	3288	sub do_reload_perl() {
2369	# can/must only be called in main	3289	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2372	return;	3292	return;
2373	}	3293	}
2374		3294
2375	warn "reloading...";	3295	warn "reloading...";
2376		3296
2377	warn "cancelling server ticker";	3297	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2381		3303
2382	eval {	3304	warn "syncing database to disk";
		3305	BDB::db_env_txn_checkpoint $DB_ENV;
		3306
2383	# 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
2384		3308
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3312	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3313
2393	warn "flushing outstanding aio requests";	3314	warn "flushing outstanding aio requests";
2394	for (;;) {	3315	for (;;) {
2395	BDB::flush;	3316	BDB::flush;
2396	IO::AIO::flush;	3317	IO::AIO::flush;
2397	Coro::cede;	3318	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3319	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3320	warn "iterate...";
2400	}	3321	}
2401		3322
		3323	++$RELOAD;
		3324
2402	warn "cancelling all extension coros";	3325	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3327	%EXT_CORO = ();
2405		3328
2406	warn "removing commands";	3329	warn "removing commands";
2407	%COMMAND = ();	3330	%COMMAND = ();
2408		3331
2409	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2411		3335
2412	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2415		3339
…		…
2445	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2446	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);
2447		3371
2448	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2450		3375
2451	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3377	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2454		3379
…		…
2457	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2458	require cf;	3383	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3385
2461	warn "loading config and database again";	3386	warn "loading config and database again";
2462	cf::cfg_load;	3387	cf::reload_config;
2463		3388
2464	warn "loading extensions";	3389	warn "loading extensions";
2465	cf::load_extensions;	3390	cf::load_extensions;
2466		3391
2467	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3393	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
		3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2471		3398
2472	warn "loading reloadable resources";	3399	warn "leaving sync_job";
2473	load_resources;
2474		3400
2475	warn "restarting server ticker";	3401	1
2476		3402	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3403	warn $@;
2482	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2483	exit 1;	3405	exit 1;
2484	}	3406	};
2485		3407
2486	warn "reloaded";	3408	warn "reloaded";
2487	};	3409	};
2488		3410
2489	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2490		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 $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2491	register_command "reload" => sub {	3428	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2493		3430
2494	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2496		3433	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3434	}
2510	};	3435	};
2511		3436
2512	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2513		3438
2514	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#
2515		3464
2516	$TICK_WATCHER = Event->timer (	3465	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3466	reentrant => 0,
2518	parked => 1,	3467	parked => 1,
2519	prio => 0,	3468	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3473	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3474	unless ++$bug_warning > 10;
2526	return;	3475	return;
2527	}	3476	}
2528		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
2529	$NOW = Event::time;	3480	$NOW = $tick_start = Event::time;
2530		3481
2531	cf::server_tick; # one server iteration	3482	cf::server_tick; # one server iteration
		3483
2532	$RUNTIME += $TICK;	3484	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3485	$NEXT_TICK += $TICK;
2534		3486
2535	$WAIT_FOR_TICK->broadcast;	3487	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3488	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3489	Coro::async_pool {
2538	Event::sweep;	3490	write_runtime
2539	Coro::cede_notself;	3491	or warn "ERROR: unable to write runtime file: $!";
		3492	};
2540		3493	}
		3494
2541	# my $AFTER = Event::time;	3495	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3496	# warn $AFTER - $NOW;#d#
2543		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
2544	# 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
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3509
2547	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2548	$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#
2549	},	3521	},
2550	);	3522	);
2551		3523
2552	{	3524	{
		3525	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3526	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3527	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3528	reentrant => 0,
2556	fd => BDB::poll_fileno,	3529	fd => BDB::poll_fileno,
2557	poll => 'r',	3530	poll => 'r',
2558	prio => 0,	3531	prio => 0,
2559	data => WF_AUTOCANCEL,	3532	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3533	cb => \&BDB::poll_cb,
2561	);	3534	);
2562	BDB::min_parallel 8;
2563		3535
2564	BDB::set_sync_prepare {	3536	BDB::set_sync_prepare {
2565	my $status;	3537	my $status;
2566	my $current = $Coro::current;	3538	my $current = $Coro::current;
2567	(	3539	(
…		…
2581		3553
2582	cf::sync_job {	3554	cf::sync_job {
2583	eval {	3555	eval {
2584	BDB::db_env_open	3556	BDB::db_env_open
2585	$DB_ENV,	3557	$DB_ENV,
2586	$BDB_ENV_DIR,	3558	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3561	0666;
2590		3562
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3564
2593	$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);
2594	$DB_ENV->set_lk_detect;	3567	$DB_ENV->set_lk_detect;
2595	};	3568	};
2596		3569
2597	cf::cleanup "db_env_open(db): $@" if $@;	3570	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3571	};
2599	}	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	);
2600	}	3594	}
2601		3595
2602	{	3596	{
2603	IO::AIO::min_parallel 8;	3597	IO::AIO::min_parallel 8;
2604		3598
2605	undef $Coro::AIO::WATCHER;	3599	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3600	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3601	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3602	reentrant => 0,
		3603	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3604	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3605	poll => 'r',
2611	prio => 6,	3606	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3607	cb => \&IO::AIO::poll_cb,
2614	);	3608	);
2615	}	3609	}
2616		3610
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3611	my $_log_backtrace;
2618	reentrant => 0,	3612
2619	data => WF_AUTOCANCEL,	3613	sub _log_backtrace {
2620	after => 1,	3614	my ($msg, @addr) = @_;
2621	interval => 10,	3615
2622	prio => 6, # keep it lowest so it acts like a watchdog	3616	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3617
2624	write_runtime	3618	# limit the # of concurrent backtraces
2625	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";
2626	},	3646	}
2627	);	3647	}
		3648
		3649	# load additional modules
		3650	use cf::pod;
2628		3651
2629	END { cf::emergency_save }	3652	END { cf::emergency_save }
2630		3653
2631	1	3654	1
2632		3655

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