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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.190 by root, Mon Jan 22 03:44:41 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
271	}	393	}
272		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
288		411
289	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		481
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
352	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
353		486
354	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		488
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
359	and return;	490	my ($cb, @args) = @_;
360		491
361	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
362	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
363		495
364	close $fh	496	my @res = Coro::Util::fork_eval {
365	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
366		500
367	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
368	and return;	502	}
369		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
370	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	629	}
372		630
373	=back	631	=back
374		632
375	=cut	633	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
384		642
385	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	645	Crossfire TRT).
388		646
389	=over 4	647	=over 4
390		648
391	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
392		650
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
556		814
557	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		819
562	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	821	my $pkg = shift @arg;
564		822
565	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
595	}	853	}
596		854
597	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
598	} else {	856	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	858	}
601		859
602	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
603	}	861	}
604		862
…		…
606	if (ref $_[0]) {	864	if (ref $_[0]) {
607	_object_attach @_;	865	_object_attach @_;
608	} else {	866	} else {
609	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
610	}	868	}
		869	_recalc_want;
611	};	870	};
612		871
613	# all those should be optimised	872	# all those should be optimised
614	sub cf::attachable::detach {	873	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
619	reattach ($obj);	878	reattach ($obj);
620	} else {	879	} else {
621	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
622	}	881	}
		882	_recalc_want;
623	};	883	};
624		884
625	sub cf::attachable::attached {	885	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
627		887
…		…
642	";	902	";
643	die if $@;	903	die if $@;
644	}	904	}
645		905
646	our $override;	906	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		908
649	sub override {	909	sub override {
650	$override = 1;	910	$override = 1;
651	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
652	}	912	}
653		913
654	sub do_invoke {	914	sub do_invoke {
655	my $event = shift;	915	my $event = shift;
656	my $callbacks = shift;	916	my $callbacks = shift;
657		917
658	@invoke_results = ();	918	@INVOKE_RESULTS = ();
659		919
660	local $override;	920	local $override;
661		921
662	for (@$callbacks) {	922	for (@$callbacks) {
663	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
680		940
681	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
682		942
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		946
687	=back	947	=back
688		948
689	=cut	949	=cut
690		950
691	#############################################################################	951	#############################################################################
692	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
693		964
694	sub reattach {	965	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	967	my ($obj) = @_;
697		968
…		…
742	);	1013	);
743		1014
744	sub object_freezer_save {	1015	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
746		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
747	sync_job {	1020	sync_job {
748	if (length $$rdata) {	1021	if (length $$rdata) {
749	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
751		1024
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1029	close $fh;
757		1030
758	if (@$objs) {	1031	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1037	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
766	}	1039	}
767	} else {	1040	} else {
768	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
774	}	1047	}
775	} else {	1048	} else {
776	aio_unlink $filename;	1049	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
778	}	1051	}
779	}	1052	};
		1053
		1054	undef $guard;
780	}	1055	}
781		1056
782	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
784		1059
…		…
789		1064
790	sub object_thawer_load {	1065	sub object_thawer_load {
791	my ($filename) = @_;	1066	my ($filename) = @_;
792		1067
793	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
794		1071
795	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
796	or return;	1073	or return;
797		1074
798	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
800	or return;	1077	or return;
		1078
		1079	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1081	}
803		1082
804	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
806	return ($data, $av);	1086	($data, $av)
807	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
808		1094
809	#############################################################################	1095	#############################################################################
810	# command handling &c	1096	# command handling &c
811		1097
812	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1112	}
827		1113
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1115
830	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
831		1121
832	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
833	called.	1123	called.
834		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
835	=cut	1136	=cut
836		1137
837	sub register_extcmd {	1138	sub register_extcmd {
838	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
839		1140
840	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
841	}	1148	}
842		1149
843	cf::player->attach (	1150	cf::player->attach (
844	on_command => sub {	1151	on_command => sub {
845	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1161	cf::override;
855	},	1162	},
856	on_extcmd => sub {	1163	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
858		1165
859	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1167
861	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
867	} else {	1183	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1185	}
870		1186
871	cf::override;	1187	cf::override;
872	},	1188	},
873	);	1189	);
874		1190
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
910	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1196	next unless -r $path;
912	eval {	1197
913	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
914	1	1255	}
915	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
916	}	1261	};
917	}	1262	}
918		1263
919	#############################################################################	1264	#############################################################################
920		1265
		1266	=back
		1267
921	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
922		1269
923	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
924		1271
925	=cut	1272	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
938		1285
939	=cut	1286	=cut
940		1287
941	sub playerdir($) {	1288	sub playerdir($) {
942	cf::localdir	1289	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1291	}
948		1292
949	sub path($) {	1293	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1295
952	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
953	}	1297	}
954		1298
955	sub find_active($) {	1299	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1314	my $login = $_[0];
971		1315
972	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
973		1317
974	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
976	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
978	}	1335	}
979	}	1336	}
980	}	1337	}
981		1338
…		…
991		1348
992	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
994		1351
995	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
996	Coro::cede;	1353	cf::cede_to_tick;
997	}	1354	}
998		1355
999	sub new($) {	1356	sub new($) {
1000	my ($login) = @_;	1357	my ($login) = @_;
1001		1358
…		…
1007	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1008		1365
1009	$self	1366	$self
1010	}	1367	}
1011		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1012	=item $pl->quit_character	1379	=item $pl->quit_character
1013		1380
1014	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1016		1383
1017	=cut	1384	=cut
1018		1385
1019	sub quit_character {	1386	sub quit_character {
1020	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1021		1390
1022	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1393
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1035	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1036	}	1425	}
1037		1426
1038	=item cf::player::list_logins	1427	=item cf::player::list_logins
1039		1428
1040	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1042		1431
1043	=cut	1432	=cut
1044		1433
1045	sub list_logins {	1434	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1436	or return [];
1048		1437
1049	my @logins;	1438	my @logins;
1050		1439
1051	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1055		1449
1056	utf8::decode $login;	1450	utf8::decode $login;
1057	push @logins, $login;	1451	push @logins, $login;
1058	}	1452	}
1059		1453
…		…
1067		1461
1068	=cut	1462	=cut
1069		1463
1070	sub maps($) {	1464	sub maps($) {
1071	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1468
1073	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1074	or return;	1470	or return;
1075		1471
1076	my @paths;	1472	my @paths;
…		…
1078	for (@$files) {	1474	for (@$files) {
1079	utf8::decode $_;	1475	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1082		1478
1083	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1480	}
1086		1481
1087	\@paths	1482	\@paths
1088	}	1483	}
1089		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1091		1537
1092	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1093		1539
1094	=cut	1540	=cut
1095		1541
1096	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1098		1544
1099	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1546	}
1103		1547
1104	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1105		1588
1106	=back	1589	=back
1107
1108		1590
1109	=head3 cf::map	1591	=head3 cf::map
1110		1592
1111	=over 4	1593	=over 4
1112		1594
…		…
1167	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1168		1650
1169	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1170	local $self->{path};	1652	local $self->{path};
1171	local $self->{load_path};	1653	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1654
1175	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1176	}	1656	}
1177		1657
1178	sub normalise {	1658	sub normalise {
1179	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1180		1664
1181	# map plan:	1665	# map plan:
1182	#	1666	#
1183	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1222	return $self;	1706	return $self;
1223	}	1707	}
1224	}	1708	}
1225		1709
1226	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1711	()
1228	}	1712	}
1229		1713
1230	sub init {	1714	sub init {
1231	my ($self) = @_;	1715	my ($self) = @_;
…		…
1246		1730
1247	# the original (read-only) location	1731	# the original (read-only) location
1248	sub load_path {	1732	sub load_path {
1249	my ($self) = @_;	1733	my ($self) = @_;
1250		1734
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1252	}	1736	}
1253		1737
1254	# the temporary/swap location	1738	# the temporary/swap location
1255	sub save_path {	1739	sub save_path {
1256	my ($self) = @_;	1740	my ($self) = @_;
1257		1741
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1260	}	1744	}
1261		1745
1262	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1263	sub uniq_path {	1747	sub uniq_path {
1264	my ($self) = @_;	1748	my ($self) = @_;
1265		1749
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1268	}	1752	}
1269		1753
1270	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1271	# all maps in C++...	1755	# all maps in C++...
1272	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1274		1758
1275	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1277	}	1761	}
1278		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1279	sub unlink_save {	1771	sub unlink_save {
1280	my ($self) = @_;	1772	my ($self) = @_;
1281		1773
1282	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1778
1287	sub load_header_from($) {	1779	sub load_header_from($) {
1288	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1289		1781
1290	utf8::encode $path;	1782	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1292	or return;	1784	or return;
1293		1785
1294	$self->_load_header ($path)	1786	$self->_load_header ($f)
1295	or return;	1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1296		1791
1297	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1298		1793
1299	1	1794	1
1300	}	1795	}
…		…
1339	$self->load_header_orig	1834	$self->load_header_orig
1340	or return;	1835	or return;
1341	$self->prepare_orig;	1836	$self->prepare_orig;
1342	}	1837	}
1343		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1344	1	1845	1
1345	}	1846	}
1346		1847
1347	sub find;	1848	sub find;
1348	sub find {	1849	sub find {
1349	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1350		1851
1351	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1352		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1354		1856
1355	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1356	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1357	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1358	or return;	1862	or return;
1359		1863
1360	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1361		1865
1362	$map->load_header	1866	$map->load_header
1363	or return;	1867	or return;
1364		1868
1365	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1368	$map->reset;	1874	$map->reset;
1369	undef $guard;
1370	$map = find $path	1875	return find $path;
1371	or return;
1372	}	1876	}
1373		1877
1374	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1375	}	1879	}
1376	}	1880	}
…		…
1379	sub post_load { }	1883	sub post_load { }
1380		1884
1381	sub load {	1885	sub load {
1382	my ($self) = @_;	1886	my ($self) = @_;
1383		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1384	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1386		1894
		1895	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1897
1389	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1390		1899
1391	$self->alloc;	1900	$self->alloc;
1392		1901
1393	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1394		1904
1395	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1396	or return;	1908	or return;
1397		1909
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	1911	if delete $self->{load_original};
1400		1912
1401	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	1914	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	1917	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1406	}	1921	}
1407	}	1922	}
1408		1923
1409	Coro::cede;	1924	$f->resolve_delayed_derefs;
1410		1925
		1926	cf::cede_to_tick;
1411	# now do the right thing for maps	1927	# now do the right thing for maps
1412	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1930	unless $self->difficulty;
1422	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1423	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1947	}
1425		1948
1426	$self->post_load;	1949	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1950	}
1430		1951
1431	sub customise_for {	1952	sub customise_for {
1432	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1433		1954
1434	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1956	if $self->per_player;
1436		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1437	$self	1961	$self
1438	}	1962	}
1439		1963
1440	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1965	sub load_neighbours {
1442	my ($map) = @_;	1966	my ($map) = @_;
1443		1967
1444	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1445		1969
1446	for (0 .. 3) {	1970	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1448	or next;	1972	or next;
1449	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1450	or next;	1974	or next;
1451	$neigh->load;	1975	$neigh->load;
1452		1976
		1977	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1980	}
1456		1981
1457	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1459	or next;	1985	or next;
1460	$neigh->load;	1986	$neigh->load;
1461	}	1987	}
1462	}	1988	}
1463		1989
…		…
1468	}	1994	}
1469		1995
1470	sub do_load_sync {	1996	sub do_load_sync {
1471	my ($map) = @_;	1997	my ($map) = @_;
1472		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1473	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1474	}	2003	}
1475		2004
1476	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1478		2007
1479	sub find_async {	2008	sub find_async {
1480	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1481		2010
1482	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1483		2012
1484	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1486	}	2015	}
1487		2016
1488	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1489	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1490	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2022	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2023	$map->load if $v;
		2024	}
1495		2025
1496	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1497	}	2027	}
1498	}	2028	}
1499	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1500	};	2030	};
1501	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1504	}	2034	}
1505		2035
1506	sub save {	2036	sub save {
1507	my ($self) = @_;	2037	my ($self) = @_;
1508		2038
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		2040
1511	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1512		2042
1513	return unless $self->dirty;	2043	return unless $self->dirty;
1514		2044
…		…
1537	my ($self) = @_;	2067	my ($self) = @_;
1538		2068
1539	# save first because save cedes	2069	# save first because save cedes
1540	$self->save;	2070	$self->save;
1541		2071
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2073
1544	return if $self->players;	2074	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1546	return if $self->{deny_save};	2076	return if $self->{deny_save};
1547		2077
		2078	$self->deactivate;
1548	$self->clear;	2079	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2081	}
1551		2082
1552	sub reset_at {	2083	sub reset_at {
1553	my ($self) = @_;	2084	my ($self) = @_;
1554		2085
1555	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1558		2088
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2091
…		…
1572	my ($self) = @_;	2102	my ($self) = @_;
1573		2103
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2105
1576	return if $self->players;	2106	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2107
1579	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1580		2119
1581	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1582		2121
1583	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1584	$self->clear;	2123	$self->clear;
1585		2124
1586	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1587		2126
1588	$self->unlink_save;	2127	$self->unlink_save;
…		…
1592	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1593		2132
1594	sub nuke {	2133	sub nuke {
1595	my ($self) = @_;	2134	my ($self) = @_;
1596		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1597	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1598		2140
1599	$self->unlink_save;	2141	$self->unlink_save;
1600		2142
1601	bless $self, "cf::map";	2143	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2148
1607	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1608		2151
1609	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1610	}	2189	}
1611		2190
1612	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1613		2192
1614	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2194	instantiated unique items. May block.
1616		2195
1617	=cut	2196	=cut
1618		2197
1619	sub unique_maps() {	2198	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1621	or return;	2200	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2201	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2202	/\.map$/
1631	push @paths, $_;	2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2206	]
1633
1634	\@paths
1635	}	2207	}
1636		2208
1637	package cf;	2209	package cf;
1638		2210
1639	=back	2211	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1658	}	2230	}
1659		2231
1660	sub inv_recursive {	2232	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1662	}	2265	}
1663		2266
1664	package cf;	2267	package cf;
1665		2268
1666	=back	2269	=back
…		…
1685		2288
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2290
1688	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1690	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1693	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1694	}	2316	}
1695		2317
1696	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1697		2319
1698	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1730	=cut	2352	=cut
1731		2353
1732	sub link_map {	2354	sub link_map {
1733	unless ($LINK_MAP) {	2355	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2356	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2358	$LINK_MAP->load;
1737	}	2359	}
1738		2360
1739	$LINK_MAP	2361	$LINK_MAP
1740	}	2362	}
…		…
1745	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1746		2368
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2370
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1751		2373
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2375	}
1754		2376
1755	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1757		2381
1758	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1759		2383
1760	unless ($map) {	2384	unless ($map) {
1761	# restore original map position	2385	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1778		2402
1779	$map->load;	2403	$map->load;
1780	$map->load_diag;	2404	$map->load_neighbours;
1781		2405
1782	return unless $self->contr->active;	2406	return unless $self->contr->active;
1783	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1785	}	2411	}
1786		2412
1787	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2414
1791	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1795	};	2419	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2420
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1822		2424
1823	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2430
1826	$self->enter_link;	2431	$self->enter_link;
1827		2432
1828	(async {	2433	(async {
		2434	my $map = eval {
1829	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1831		2439	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1836		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1838	})->prio (1);	2458	})->prio (1);
1839	}	2459	}
1840		2460
1841	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1842		2462
…		…
1871	# that depends on the exit object	2491	# that depends on the exit object
1872		2492
1873	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1874		2494
1875	if ($exit->map) {	2495	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1880	}	2500	}
1881		2501
1882	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1883		2503
1884	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1887		2507
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2510	undef $fh;
1891	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1900		2520
1901	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1902		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1903	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1904		2539
1905	(async {	2540	(async {
1906	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2542	unless (eval {
1908	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2544
1914	1;	2545	1;
1915	}) {	2546	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2551
1921	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2553	$self->leave_link;
1923	}	2554	}
1924	})->prio (1);	2555	})->prio (1);
…		…
1937		2568
1938	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1940		2571
1941	utf8::encode $text;	2572	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2574	}
1944		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1945		2691
1946	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1947		2693
1948	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2697
1952	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2699	become reliable at some point in the future.
1954		2700
1955	=cut	2701	=cut
1956		2702
1957	sub cf::client::query {	2703	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2712	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2714
1969	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1971	}	2719	}
1972		2720
1973	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1974	on_reply => sub {	2727	on_reply => sub {
1975	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1976		2729
1977	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1978	# get handled first	2731	# get handled first
1979	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2734
1982	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2737
1984	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1985		2739
1986	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2741	if (@$queue) {
…		…
1989	} else {	2743	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2745	}
1992	}	2746	}
1993	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1994	);	2774	);
1995		2775
1996	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1997		2777
1998	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2041		2821
2042	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2043		2823
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2045		2829
2046	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2047		2831
2048	=pod	2832	=pod
2049		2833
2050	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2051		2835
2052	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2053	cf::object::player player	2840	cf::object::player
2054	cf::player peaceful	2841	player
2055	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2056		2848
2057	=cut	2849	=cut
2058		2850
2059	for (	2851	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2061	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2064	) {	2858	) {
2065	no strict 'refs';	2859	no strict 'refs';
…		…
2136	=back	2930	=back
2137		2931
2138	=cut	2932	=cut
2139		2933
2140	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2141		2936
2142	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2143		2939
2144	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2146	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		2943
2148	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		2945
2151	=over 4	2946	warn "loading facedata from $path\n";
2152		2947
2153	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2154		2951
2155	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		2953
2159	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		2956
2161	Returns a single value from the database	2957	# patch in the exptable
2162		2958	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2164		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	2961	};
		2962	cf::cede_to_tick;
2191		2963
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2203		2966
2204	my $dirty;	2967	while (my ($face, $info) = each %$faces) {
		2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
		2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2205		2973
2206	sub db_sync() {	2974	cf::cede_to_tick;
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	2975	}
2245	);
2246	}
2247		2976
2248	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2250		2987
2251	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3115	or return;
2254		3116
2255	local $/;	3117	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2257		3119
…		…
2276	(async {	3138	(async {
2277	Event::one_event;	3139	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2279	};	3141	};
2280		3142
2281	cfg_load;	3143	reload_config;
2282	db_load;	3144	db_init;
2283	load_extensions;	3145	load_extensions;
2284		3146
2285	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2286	Event::loop;	3148	Event::loop;
2287	}	3149	}
…		…
2294	for my $signal (qw(INT HUP TERM)) {	3156	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3157	Event->signal (
2296	reentrant => 0,	3158	reentrant => 0,
2297	data => WF_AUTOCANCEL,	3159	data => WF_AUTOCANCEL,
2298	signal => $signal,	3160	signal => $signal,
		3161	prio => 0,
2299	cb => sub {	3162	cb => sub {
2300	cf::cleanup "SIG$signal";	3163	cf::cleanup "SIG$signal";
2301	},	3164	},
2302	);	3165	);
2303	}	3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
2304	}	3205	}
2305		3206
2306	sub emergency_save() {	3207	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2308		3209
…		…
2325	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	3227	$map->valid or next;
2327	$map->save;	3228	$map->save;
2328	}	3229	}
2329	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2330	};	3235	};
2331		3236
2332	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2333	}	3238	}
2334		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2335	sub reload() {	3247	sub do_reload_perl() {
2336	# can/must only be called in main	3248	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2339	return;	3251	return;
2340	}	3252	}
2341		3253
2342	warn "reloading...";	3254	warn "reloading...";
2343		3255
2344	warn "cancelling server ticker";	3256	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2347	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2348		3262
2349	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2350	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354		3267
2355	warn "cancelling all WF_AUTOCANCEL watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}	3271	}
2359		3272
2360	warn "flushing outstanding aio requests";	3273	warn "flushing outstanding aio requests";
2361	for (;;) {	3274	for (;;) {
		3275	BDB::flush;
2362	IO::AIO::flush;	3276	IO::AIO::flush;
2363	Coro::cede;	3277	Coro::cede;
2364	last unless IO::AIO::nreqs;	3278	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	3279	warn "iterate...";
2366	}	3280	}
		3281
		3282	++$RELOAD;
2367		3283
2368	warn "cancelling all extension coros";	3284	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	3286	%EXT_CORO = ();
2371		3287
2372	warn "removing commands";	3288	warn "removing commands";
2373	%COMMAND = ();	3289	%COMMAND = ();
2374		3290
2375	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2376	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2377		3294
2378	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2379	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2380	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2381		3298
…		…
2411	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		3330
2414	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2416		3334
2417	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2418	# and global variables created in xs	3336	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2420		3338
…		…
2423	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2424	require cf;	3342	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		3344
2427	warn "loading config and database again";	3345	warn "loading config and database again";
2428	cf::cfg_load;	3346	cf::reload_config;
2429	cf::db_load;
2430		3347
2431	warn "loading extensions";	3348	warn "loading extensions";
2432	cf::load_extensions;	3349	cf::load_extensions;
2433		3350
2434	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2435	_global_reattach;	3352	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
		3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2438		3357
2439	warn "restarting server ticker";	3358	warn "leaving sync_job";
2440		3359
2441	$TICK_WATCHER->start;	3360	1
2442	};	3361	} or do {
2443
2444	if ($@) {
2445	warn $@;	3362	warn $@;
2446	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2447	exit 1;	3364	exit 1;
2448	}	3365	};
2449		3366
2450	warn "reloaded";	3367	warn "reloaded";
2451	};	3368	};
2452		3369
2453	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2454		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2455	register_command "reload" => sub {	3387	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2457		3389
2458	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2460		3392	async { reload_perl };
2461	# doing reload synchronously and two reloads happen back-to-back,
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);
2473	}	3393	}
2474	};	3394	};
2475		3395
2476	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2477		3397
2478	my $bug_warning = 0;	3398	my $bug_warning = 0;
2479		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2480	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2481	reentrant => 0,	3424	reentrant => 0,
2482	parked => 1,	3425	parked => 1,
2483	prio => -1,	3426	prio => 0,
2484	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2485	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2486	cb => sub {	3429	cb => sub {
2487	if ($Coro::current != $Coro::main) {	3430	if ($Coro::current != $Coro::main) {
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2490	return;	3433	return;
2491	}	3434	}
2492		3435
2493	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2494		3437
2495	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2496	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2498		3465
2499	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
2501		3473
2502	my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2503	warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
2504		3485
2505	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2507		3488
2508	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2509	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2510	},	3498	},
2511	);	3499	);
2512		3500
		3501	{
2513	IO::AIO::max_poll_time $TICK * 0.2;	3502	BDB::max_poll_time $TICK * 0.1;
		3503	$BDB_POLL_WATCHER = Event->io (
		3504	reentrant => 0,
		3505	fd => BDB::poll_fileno,
		3506	poll => 'r',
		3507	prio => 0,
		3508	data => WF_AUTOCANCEL,
		3509	cb => \&BDB::poll_cb,
		3510	);
		3511	BDB::min_parallel 8;
2514		3512
		3513	BDB::set_sync_prepare {
		3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
		3547	};
		3548	}
		3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
2515	undef $Coro::AIO::WATCHER;	3554	undef $Coro::AIO::WATCHER;
		3555	IO::AIO::max_poll_time $TICK * 0.1;
2516	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2517	reentrant => 0,	3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
2518	fd => IO::AIO::poll_fileno,	3559	fd => IO::AIO::poll_fileno,
2519	poll => 'r',	3560	poll => 'r',
2520	prio => 6,	3561	prio => 6,
2521	data => WF_AUTOCANCEL,
2522	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2523	);	3563	);
		3564	}
2524		3565
2525	$WRITE_RUNTIME_WATCHER = Event->timer (	3566	my $_log_backtrace;
2526	reentrant => 0,	3567
2527	data => WF_AUTOCANCEL,	3568	sub _log_backtrace {
2528	after => 1,	3569	my ($msg, @addr) = @_;
2529	interval => 10,	3570
2530	prio => 6, # keep it lowest so it acts like a watchdog	3571	$msg =~ s/\n//;
2531	cb => Coro::unblock_sub {	3572
2532	write_runtime	3573	# limit the # of concurrent backtraces
2533	or warn "ERROR: unable to write runtime file: $!";	3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2534	},	3601	}
2535	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2536		3606
2537	END { cf::emergency_save }	3607	END { cf::emergency_save }
2538		3608
2539	1	3609	1
2540		3610

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