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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $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;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	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
103	every server tick.	133	every server tick.
104		134
105	=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
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	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.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	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
126	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
127	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.
128	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.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		204
153	# 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
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$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;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	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
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($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#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
261	}	321	}
262		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
266	my $guard = Coro::guard {	332	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	334	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
272	$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;
273	}	393	}
274		394
275	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
276		396
277	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		402
283	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
284		404
285	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
286		406
287	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)
288	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
289	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.
290		411
291	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
292	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
293	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
294	fast or be very important.	415	fast or be very important.
…		…
297		418
298	sub sync_job(&) {	419	sub sync_job(&) {
299	my ($job) = @_;	420	my ($job) = @_;
300		421
301	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
302	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
304		427
305	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
317		440
318	while ($busy) {	441	while ($busy) {
319	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
320	}	443	}
321		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
322	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
323	} else {	453	} else {
324	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
325		455
326	$job->()	456	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
346		476
347	$coro	477	$coro
348	}	478	}
349		479
350	sub write_runtime {	480	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		481
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
354	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.
355		486
356	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		488
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
361	and return;	490	my ($cb, @args) = @_;
362		491
363	aio_fsync $fh	492	# we seemingly have to make a local copy of the whole thing,
364	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
365		495
366	close $fh	496	my @res = Coro::Util::fork_eval {
367	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
368		500
369	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
370	and return;	502	}
371		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	};
372	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 });
373	}	629	}
374		630
375	=back	631	=back
376		632
377	=cut	633	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
386		642
387	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>
388	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
389	crossfire+).	645	Crossfire TRT).
390		646
391	=over 4	647	=over 4
392		648
393	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
394		650
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
558		814
559	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		819
564	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	821	my $pkg = shift @arg;
566		822
567	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
597	}	853	}
598		854
599	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
600	} else {	856	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	858	}
603		859
604	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
605	}	861	}
606		862
…		…
608	if (ref $_[0]) {	864	if (ref $_[0]) {
609	_object_attach @_;	865	_object_attach @_;
610	} else {	866	} else {
611	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
612	}	868	}
		869	_recalc_want;
613	};	870	};
614		871
615	# all those should be optimised	872	# all those should be optimised
616	sub cf::attachable::detach {	873	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
621	reattach ($obj);	878	reattach ($obj);
622	} else {	879	} else {
623	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	sub cf::attachable::attached {	885	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
629		887
…		…
644	";	902	";
645	die if $@;	903	die if $@;
646	}	904	}
647		905
648	our $override;	906	our $override;
649	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?
650		908
651	sub override {	909	sub override {
652	$override = 1;	910	$override = 1;
653	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
654	}	912	}
655		913
656	sub do_invoke {	914	sub do_invoke {
657	my $event = shift;	915	my $event = shift;
658	my $callbacks = shift;	916	my $callbacks = shift;
659		917
660	@invoke_results = ();	918	@INVOKE_RESULTS = ();
661		919
662	local $override;	920	local $override;
663		921
664	for (@$callbacks) {	922	for (@$callbacks) {
665	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
682		940
683	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
684		942
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		946
689	=back	947	=back
690		948
691	=cut	949	=cut
692		950
693	#############################################################################	951	#############################################################################
694	# 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	}
695		964
696	sub reattach {	965	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	967	my ($obj) = @_;
699		968
…		…
744	);	1013	);
745		1014
746	sub object_freezer_save {	1015	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
748		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
749	sync_job {	1020	sync_job {
750	if (length $$rdata) {	1021	if (length $$rdata) {
751	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
753		1024
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1029	close $fh;
759		1030
760	if (@$objs) {	1031	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1037	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
768	}	1039	}
769	} else {	1040	} else {
770	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
776	}	1047	}
777	} else {	1048	} else {
778	aio_unlink $filename;	1049	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
780	}	1051	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1052	};
		1053
		1054	undef $guard;
788	}	1055	}
789		1056
790	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
792		1059
…		…
798	sub object_thawer_load {	1065	sub object_thawer_load {
799	my ($filename) = @_;	1066	my ($filename) = @_;
800		1067
801	my ($data, $av);	1068	my ($data, $av);
802		1069
803	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1071
806	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
807	or return;	1073	or return;
808		1074
809	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
811	or return;	1077	or return;
		1078
		1079	undef $guard;
812	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1081	}
814		1082
815	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
817	return ($data, $av);	1086	($data, $av)
818	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
819		1094
820	#############################################################################	1095	#############################################################################
821	# command handling &c	1096	# command handling &c
822		1097
823	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1112	}
838		1113
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1115
841	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.
842		1121
843	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
844	called.	1123	called.
845		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
846	=cut	1136	=cut
847		1137
848	sub register_extcmd {	1138	sub register_extcmd {
849	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
850		1140
851	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
852	}	1148	}
853		1149
854	cf::player->attach (	1150	cf::player->attach (
855	on_command => sub {	1151	on_command => sub {
856	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1161	cf::override;
866	},	1162	},
867	on_extcmd => sub {	1163	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
869		1165
870	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1167
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
878	} else {	1183	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1185	}
881		1186
882	cf::override;	1187	cf::override;
883	},	1188	},
884	);	1189	);
885		1190
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
921	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1196	next unless -r $path;
923	eval {	1197
924	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;
925	1	1255	}
926	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
927	}	1261	};
928	}	1262	}
929		1263
930	#############################################################################	1264	#############################################################################
931		1265
		1266	=back
		1267
932	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
933		1269
934	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
935		1271
936	=cut	1272	=cut
…		…
941		1277
942	=head3 cf::player	1278	=head3 cf::player
943		1279
944	=over 4	1280	=over 4
945		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
946	=item cf::player::find $login	1296	=item cf::player::find $login
947		1297
948	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
949		1299
950	=cut	1300	=cut
951		1301
952	sub playerdir($) {	1302	sub playerdir($) {
953	cf::localdir	1303	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1305	}
959		1306
960	sub path($) {	1307	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1309
963	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
964	}	1311	}
965		1312
966	sub find_active($) {	1313	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1328	my $login = $_[0];
982		1329
983	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
984		1331
985	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
987	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
989	}	1349	}
990	}	1350	}
991	}	1351	}
992		1352
…		…
1002		1362
1003	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1005		1365
1006	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1007	Coro::cede;	1367	cf::cede_to_tick;
1008	}	1368	}
1009		1369
1010	sub new($) {	1370	sub new($) {
1011	my ($login) = @_;	1371	my ($login) = @_;
1012		1372
…		…
1018	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1019		1379
1020	$self	1380	$self
1021	}	1381	}
1022		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1023	=item $pl->quit_character	1393	=item $pl->quit_character
1024		1394
1025	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1027		1397
1028	=cut	1398	=cut
1029		1399
1030	sub quit_character {	1400	sub quit_character {
1031	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1032		1404
1033	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1407
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1046	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1047	}	1439	}
1048		1440
1049	=item cf::player::list_logins	1441	=item cf::player::list_logins
1050		1442
1051	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1053		1445
1054	=cut	1446	=cut
1055		1447
1056	sub list_logins {	1448	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1450	or return [];
1059		1451
1060	my @logins;	1452	my @logins;
1061		1453
1062	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1066		1463
1067	utf8::decode $login;	1464	utf8::decode $login;
1068	push @logins, $login;	1465	push @logins, $login;
1069	}	1466	}
1070		1467
…		…
1078		1475
1079	=cut	1476	=cut
1080		1477
1081	sub maps($) {	1478	sub maps($) {
1082	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1482
1084	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1085	or return;	1484	or return;
1086		1485
1087	my @paths;	1486	my @paths;
…		…
1089	for (@$files) {	1488	for (@$files) {
1090	utf8::decode $_;	1489	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1093		1492
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1493	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1494	}
1096		1495
1097	\@paths	1496	\@paths
1098	}	1497	}
1099		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1101		1551
1102	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1103		1553
1104	=cut	1554	=cut
1105		1555
1106	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1108		1558
1109	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1560	}
1113		1561
1114	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1115		1602
1116	=back	1603	=back
1117
1118		1604
1119	=head3 cf::map	1605	=head3 cf::map
1120		1606
1121	=over 4	1607	=over 4
1122		1608
…		…
1177	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1178		1664
1179	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1180	local $self->{path};	1666	local $self->{path};
1181	local $self->{load_path};	1667	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1668
1185	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1186	}	1670	}
1187		1671
1188	sub normalise {	1672	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1236	return $self;	1720	return $self;
1237	}	1721	}
1238	}	1722	}
1239		1723
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1725	()
1242	}	1726	}
1243		1727
1244	sub init {	1728	sub init {
1245	my ($self) = @_;	1729	my ($self) = @_;
…		…
1260		1744
1261	# the original (read-only) location	1745	# the original (read-only) location
1262	sub load_path {	1746	sub load_path {
1263	my ($self) = @_;	1747	my ($self) = @_;
1264		1748
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1266	}	1750	}
1267		1751
1268	# the temporary/swap location	1752	# the temporary/swap location
1269	sub save_path {	1753	sub save_path {
1270	my ($self) = @_;	1754	my ($self) = @_;
1271		1755
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1274	}	1758	}
1275		1759
1276	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1277	sub uniq_path {	1761	sub uniq_path {
1278	my ($self) = @_;	1762	my ($self) = @_;
1279		1763
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1282	}	1766	}
1283		1767
1284	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1285	# all maps in C++...	1769	# all maps in C++...
1286	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1288		1772
1289	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1291	}	1775	}
1292		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1293	sub unlink_save {	1785	sub unlink_save {
1294	my ($self) = @_;	1786	my ($self) = @_;
1295		1787
1296	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1791	}
1305		1792
1306	sub load_header_from($) {	1793	sub load_header_from($) {
1307	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1308		1795
1309	utf8::encode $path;	1796	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1315		1805
1316	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1317		1807
1318	1	1808	1
1319	}	1809	}
…		…
1358	$self->load_header_orig	1848	$self->load_header_orig
1359	or return;	1849	or return;
1360	$self->prepare_orig;	1850	$self->prepare_orig;
1361	}	1851	}
1362		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
1363	1	1859	1
1364	}	1860	}
1365		1861
1366	sub find;	1862	sub find;
1367	sub find {	1863	sub find {
1368	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1369		1865
1370	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1371		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1373		1870
1374	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1376	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1377	or return;	1876	or return;
1378		1877
1379	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1380		1879
1381	$map->load_header	1880	$map->load_header
1382	or return;	1881	or return;
1383		1882
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1387	$map->reset;	1888	$map->reset;
1388	undef $guard;
1389	return find $path;	1889	return find $path;
1390	}	1890	}
1391		1891
1392	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1393	}	1893	}
…		…
1400	my ($self) = @_;	1900	my ($self) = @_;
1401		1901
1402	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1403		1903
1404	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1406		1908
		1909	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1911
1409	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1410		1913
1411	$self->alloc;	1914	$self->alloc;
1412		1915
1413	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1414		1918
1415	$self->_load_objects ($self->{load_path}, 1)	1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1416	or return;	1922	or return;
1417		1923
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1925	if delete $self->{load_original};
1420		1926
1421	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1928	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1931	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1426	}	1935	}
1427	}	1936	}
1428		1937
1429	Coro::cede;	1938	$f->resolve_delayed_derefs;
1430		1939
		1940	cf::cede_to_tick;
1431	# now do the right thing for maps	1941	# now do the right thing for maps
1432	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1944	unless $self->difficulty;
1442	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1443	$self->activate;	1954	$self->activate;
		1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
		1960	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1961	}
1445		1962
1446	$self->post_load;	1963	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1964	}
1450		1965
1451	sub customise_for {	1966	sub customise_for {
1452	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1453		1968
1454	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1970	if $self->per_player;
1456		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1457	$self	1975	$self
1458	}	1976	}
1459		1977
1460	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1979	sub load_neighbours {
1462	my ($map) = @_;	1980	my ($map) = @_;
1463		1981
1464	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1465		1983
1466	for (0 .. 3) {	1984	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1468	or next;	1986	or next;
1469	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1470	or next;	1988	or next;
1471	$neigh->load;	1989	$neigh->load;
1472		1990
		1991	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	1994	}
1476		1995
1477	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1479	or next;	1999	or next;
1480	$neigh->load;	2000	$neigh->load;
1481	}	2001	}
1482	}	2002	}
1483		2003
…		…
1488	}	2008	}
1489		2009
1490	sub do_load_sync {	2010	sub do_load_sync {
1491	my ($map) = @_;	2011	my ($map) = @_;
1492		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1493	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1494	}	2017	}
1495		2018
1496	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1498		2021
1499	sub find_async {	2022	sub find_async {
1500	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1501		2024
1502	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1503		2026
1504	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2029	}
1507		2030
1508	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1509	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2036	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2037	$map->load if $v;
		2038	}
1515		2039
1516	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1517	}	2041	}
1518	}	2042	}
1519	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1520	};	2044	};
1521	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2048	}
1525		2049
1526	sub save {	2050	sub save {
1527	my ($self) = @_;	2051	my ($self) = @_;
1528		2052
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2054
1531	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1532		2056
1533	return unless $self->dirty;	2057	return unless $self->dirty;
1534		2058
…		…
1557	my ($self) = @_;	2081	my ($self) = @_;
1558		2082
1559	# save first because save cedes	2083	# save first because save cedes
1560	$self->save;	2084	$self->save;
1561		2085
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2087
1564	return if $self->players;	2088	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2090	return if $self->{deny_save};
1567		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2096	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2097	}
1571		2098
1572	sub reset_at {	2099	sub reset_at {
1573	my ($self) = @_;	2100	my ($self) = @_;
1574		2101
1575	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1578		2104
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2107
…		…
1592	my ($self) = @_;	2118	my ($self) = @_;
1593		2119
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2121
1596	return if $self->players;	2122	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2123
1599	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1600		2135
1601	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1602		2137
1603	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2140	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2141
1608	$self->unlink_save;	2142	$self->unlink_save;
1609	$self->destroy;	2143	$self->destroy;
1610	}	2144	}
1611		2145
1612	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1613		2147
1614	sub nuke {	2148	sub nuke {
1615	my ($self) = @_;	2149	my ($self) = @_;
1616		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1617	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1618		2155
1619	$self->unlink_save;	2156	$self->unlink_save;
1620		2157
1621	bless $self, "cf::map";	2158	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2163
1627	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1628		2166
1629	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1630	}	2204	}
1631		2205
1632	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1633		2207
1634	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2209	instantiated unique items. May block.
1636		2210
1637	=cut	2211	=cut
1638		2212
1639	sub unique_maps() {	2213	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1641	or return;	2215	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2216	utf8::decode $_;
1647	next if /\.pst$/;	2217	/\.map$/
1648	next unless /^$PATH_SEP/o;	2218	? normalise $_
1649		2219	: ()
1650	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2221	]
1652
1653	\@paths
1654	}	2222	}
1655		2223
1656	package cf;	2224	package cf;
1657		2225
1658	=back	2226	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1677	}	2245	}
1678		2246
1679	sub inv_recursive {	2247	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1681	}	2280	}
1682		2281
1683	package cf;	2282	package cf;
1684		2283
1685	=back	2284	=back
…		…
1704		2303
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2305
1707	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1709	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1712	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1713	}	2331	}
1714		2332
1715	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1716		2334
1717	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1765		2383
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2385
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1770		2388
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2390	}
1773		2391
1774	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1776		2396
1777	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1778		2398
1779	unless ($map) {	2399	unless ($map) {
1780	# restore original map position	2400	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1797		2417
1798	$map->load;	2418	$map->load;
1799	$map->load_diag;	2419	$map->load_neighbours;
1800		2420
1801	return unless $self->contr->active;	2421	return unless $self->contr->active;
1802	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1804	}	2426	}
1805		2427
1806	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2429
1810	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1814	};	2434	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2435
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1841		2439
1842	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2445
1845	$self->enter_link;	2446	$self->enter_link;
1846		2447
1847	(async {	2448	(async {
1848	my $map = eval {	2449	my $map = eval {
1849	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1851	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2465	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1856	})->prio (1);	2473	})->prio (1);
1857	}	2474	}
1858		2475
1859	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1860		2477
…		…
1899		2516
1900	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1901		2518
1902	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1905		2522
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2525	undef $fh;
1909	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1918		2535
1919	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1920		2537
1921	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1924	}	2543	}
1925		2544
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1929		2548
1930	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1931		2554
1932	(async {	2555	(async {
1933	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2557	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1936		2559
1937	1;	2560	1;
1938	}) {	2561	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2566
1944	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2568	$self->leave_link;
1946	}	2569	}
1947	})->prio (1);	2570	})->prio (1);
…		…
1960		2583
1961	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1963		2586
1964	utf8::encode $text;	2587	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2589	}
1967		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1968		2706
1969	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1970		2708
1971	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2712
1975	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2714	become reliable at some point in the future.
1977		2715
1978	=cut	2716	=cut
1979		2717
1980	sub cf::client::query {	2718	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2727	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2729
1992	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1994	}	2734	}
1995		2735
1996	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1997	on_reply => sub {	2742	on_reply => sub {
1998	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1999		2744
2000	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2001	# get handled first	2746	# get handled first
2002	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2749
2005	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2752
2007	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
2008		2754
2009	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2756	if (@$queue) {
…		…
2012	} else {	2758	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2760	}
2015	}	2761	}
2016	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2017	);	2789	);
2018		2790
2019	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2020		2792
2021	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2064		2836
2065	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2066		2838
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2068		2844
2069	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2070		2846
2071	=pod	2847	=pod
2072		2848
2073	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2074		2850
2075	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2076	cf::object::player player	2855	cf::object::player
2077	cf::player peaceful	2856	player
2078	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2079		2863
2080	=cut	2864	=cut
2081		2865
2082	for (	2866	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2087	) {	2873	) {
2088	no strict 'refs';	2874	no strict 'refs';
…		…
2159	=back	2945	=back
2160		2946
2161	=cut	2947	=cut
2162		2948
2163	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2164		2951
2165	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2166		2954
2167	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2169	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		2958
2171	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		2960
2174	=over 4	2961	warn "loading facedata from $path\n";
2175		2962
2176	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2177		2966
2178	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		2968
2182	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		2971
2184	Returns a single value from the database	2972	# patch in the exptable
2185		2973	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2187		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2976	};
		2977	cf::cede_to_tick;
2214		2978
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2226		2981
2227	my $dirty;	2982	while (my ($face, $info) = each %$faces) {
		2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
		2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		2988
2229	sub db_sync() {	2989	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2990	}
2268	);
2269	}
2270		2991
2271	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2273		3002
2274	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3130	or return;
2277		3131
2278	local $/;	3132	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2280		3134
…		…
2299	(async {	3153	(async {
2300	Event::one_event;	3154	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2302	};	3156	};
2303		3157
2304	cfg_load;	3158	reload_config;
2305	db_load;	3159	db_init;
2306	load_extensions;	3160	load_extensions;
2307		3161
2308	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2309	Event::loop;	3163	Event::loop;
2310	}	3164	}
…		…
2325	},	3179	},
2326	);	3180	);
2327	}	3181	}
2328	}	3182	}
2329		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2330	sub emergency_save() {	3222	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2332		3224
2333	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2334		3226
…		…
2349	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3242	$map->valid or next;
2351	$map->save;	3243	$map->save;
2352	}	3244	}
2353	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2354	};	3250	};
2355		3251
2356	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2357	}	3253	}
2358		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2359	sub reload() {	3262	sub do_reload_perl() {
2360	# can/must only be called in main	3263	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2363	return;	3266	return;
2364	}	3267	}
2365		3268
2366	warn "reloading...";	3269	warn "reloading...";
2367		3270
2368	warn "cancelling server ticker";	3271	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2372		3277
2373	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2374	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3282
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3286	}
2383		3287
2384	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2385	for (;;) {	3289	for (;;) {
		3290	BDB::flush;
2386	IO::AIO::flush;	3291	IO::AIO::flush;
2387	Coro::cede;	3292	Coro::cede;
2388	last unless IO::AIO::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3294	warn "iterate...";
2390	}	3295	}
		3296
		3297	++$RELOAD;
2391		3298
2392	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3301	%EXT_CORO = ();
2395		3302
2396	warn "removing commands";	3303	warn "removing commands";
2397	%COMMAND = ();	3304	%COMMAND = ();
2398		3305
2399	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2401		3309
2402	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2405		3313
…		…
2435	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3345
2438	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2440		3349
2441	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3351	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2444		3353
…		…
2447	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2448	require cf;	3357	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3359
2451	warn "loading config and database again";	3360	warn "loading config and database again";
2452	cf::cfg_load;	3361	cf::reload_config;
2453	cf::db_load;
2454		3362
2455	warn "loading extensions";	3363	warn "loading extensions";
2456	cf::load_extensions;	3364	cf::load_extensions;
2457		3365
2458	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3367	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2462		3372
2463	warn "restarting server ticker";	3373	warn "leaving sync_job";
2464		3374
2465	$TICK_WATCHER->start;	3375	1
2466	};	3376	} or do {
2467
2468	if ($@) {
2469	warn $@;	3377	warn $@;
2470	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2471	exit 1;	3379	exit 1;
2472	}	3380	};
2473		3381
2474	warn "reloaded";	3382	warn "reloaded";
2475	};	3383	};
2476		3384
2477	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2478		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2479	register_command "reload" => sub {	3402	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2481		3404
2482	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2484		3407	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3408	}
2498	};	3409	};
2499		3410
2500	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2501		3412
2502	my $bug_warning = 0;	3413	my $bug_warning = 0;
2503		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3439	reentrant => 0,
2506	parked => 1,	3440	parked => 1,
2507	prio => 0,	3441	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2514	return;	3448	return;
2515	}	3449	}
2516		3450
2517	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2518		3452
2519	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2520	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2522		3480
2523	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3483	Coro::async_pool {
2526	Event::sweep;	3484	write_runtime
2527	Coro::cede_notself;	3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
2528		3487	}
		3488
2529	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2531		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2532	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3503
2535	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2537	},	3513	},
2538	);	3514	);
2539		3515
		3516	{
		3517	BDB::max_poll_time $TICK * 0.1;
		3518	$BDB_POLL_WATCHER = Event->io (
		3519	reentrant => 0,
		3520	fd => BDB::poll_fileno,
		3521	poll => 'r',
		3522	prio => 0,
		3523	data => WF_AUTOCANCEL,
		3524	cb => \&BDB::poll_cb,
		3525	);
		3526	BDB::min_parallel 8;
		3527
		3528	BDB::set_sync_prepare {
		3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
		3562	};
		3563	}
		3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3574	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3575	poll => 'r',
2547	prio => 6,	3576	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2550	);	3578	);
		3579	}
2551		3580
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3581	my $_log_backtrace;
2553	reentrant => 0,	3582
2554	data => WF_AUTOCANCEL,	3583	sub _log_backtrace {
2555	after => 1,	3584	my ($msg, @addr) = @_;
2556	interval => 10,	3585
2557	prio => 6, # keep it lowest so it acts like a watchdog	3586	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3587
2559	write_runtime	3588	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3616	}
2562	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2563		3621
2564	END { cf::emergency_save }	3622	END { cf::emergency_save }
2565		3623
2566	1	3624	1
2567		3625

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